[llvm-commits] [www-releases] r170845 [17/55] - in /www-releases/trunk/3.2/docs: ./ CommandGuide/ HistoricalNotes/ _static/ _templates/ _themes/ _themes/llvm-theme/ _themes/llvm-theme/static/ doxygen/ doxygen/html/ llvm-theme/ llvm-theme/static/ tutorial/
Tanya Lattner
tonic at nondot.org
Thu Dec 20 22:58:17 PST 2012
Added: www-releases/trunk/3.2/docs/doxygen/html/LiveIntervalAnalysis_8h_source.html
URL: http://llvm.org/viewvc/llvm-project/www-releases/trunk/3.2/docs/doxygen/html/LiveIntervalAnalysis_8h_source.html?rev=170845&view=auto
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+<title>LLVM: LiveIntervalAnalysis.h Source File</title>
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+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_25acc6571c4e3a053ee4203146b47a61.html">include</a> </li>
+ <li class="navelem"><a class="el" href="dir_fd2d7b5ce83b1c1657cd6600d8cb39fa.html">llvm</a> </li>
+ <li class="navelem"><a class="el" href="dir_33f9015af551a3c03ac5a968f2023d57.html">CodeGen</a> </li>
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+<div class="title">LiveIntervalAnalysis.h</div> </div>
+</div>
+<div class="contents">
+<a href="LiveIntervalAnalysis_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===-- LiveIntervalAnalysis.h - Live Interval Analysis ---------*- C++ -*-===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// This file implements the LiveInterval analysis pass. Given some numbering of</span>
+<a name="l00011"></a>00011 <span class="comment">// each the machine instructions (in this implemention depth-first order) an</span>
+<a name="l00012"></a>00012 <span class="comment">// interval [i, j) is said to be a live interval for register v if there is no</span>
+<a name="l00013"></a>00013 <span class="comment">// instruction with number j' > j such that v is live at j' and there is no</span>
+<a name="l00014"></a>00014 <span class="comment">// instruction with number i' < i such that v is live at i'. In this</span>
+<a name="l00015"></a>00015 <span class="comment">// implementation intervals can have holes, i.e. an interval might look like</span>
+<a name="l00016"></a>00016 <span class="comment">// [1,20), [50,65), [1000,1001).</span>
+<a name="l00017"></a>00017 <span class="comment">//</span>
+<a name="l00018"></a>00018 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00019"></a>00019
+<a name="l00020"></a>00020 <span class="preprocessor">#ifndef LLVM_CODEGEN_LIVEINTERVAL_ANALYSIS_H</span>
+<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define LLVM_CODEGEN_LIVEINTERVAL_ANALYSIS_H</span>
+<a name="l00022"></a>00022 <span class="preprocessor"></span>
+<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="TargetRegisterInfo_8h.html">llvm/Target/TargetRegisterInfo.h</a>"</span>
+<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="MachineBasicBlock_8h.html">llvm/CodeGen/MachineBasicBlock.h</a>"</span>
+<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="MachineFunctionPass_8h.html">llvm/CodeGen/MachineFunctionPass.h</a>"</span>
+<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="LiveInterval_8h.html">llvm/CodeGen/LiveInterval.h</a>"</span>
+<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="SlotIndexes_8h.html">llvm/CodeGen/SlotIndexes.h</a>"</span>
+<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="BitVector_8h.html">llvm/ADT/BitVector.h</a>"</span>
+<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="IndexedMap_8h.html">llvm/ADT/IndexedMap.h</a>"</span>
+<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="SmallPtrSet_8h.html">llvm/ADT/SmallPtrSet.h</a>"</span>
+<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="SmallVector_8h.html">llvm/ADT/SmallVector.h</a>"</span>
+<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="Allocator_8h.html">llvm/Support/Allocator.h</a>"</span>
+<a name="l00033"></a>00033 <span class="preprocessor">#include <cmath></span>
+<a name="l00034"></a>00034 <span class="preprocessor">#include <iterator></span>
+<a name="l00035"></a>00035
+<a name="l00036"></a>00036 <span class="keyword">namespace </span>llvm {
+<a name="l00037"></a>00037
+<a name="l00038"></a>00038 <span class="keyword">class </span><a class="code" href="BasicAliasAnalysis_8cpp.html#ad1b77598f771e74506b28a6ead5aa535">AliasAnalysis</a>;
+<a name="l00039"></a>00039 <span class="keyword">class </span>LiveRangeCalc;
+<a name="l00040"></a>00040 <span class="keyword">class </span>LiveVariables;
+<a name="l00041"></a>00041 <span class="keyword">class </span>MachineDominatorTree;
+<a name="l00042"></a>00042 <span class="keyword">class </span>MachineLoopInfo;
+<a name="l00043"></a>00043 <span class="keyword">class </span>TargetRegisterInfo;
+<a name="l00044"></a>00044 <span class="keyword">class </span>MachineRegisterInfo;
+<a name="l00045"></a>00045 <span class="keyword">class </span>TargetInstrInfo;
+<a name="l00046"></a>00046 <span class="keyword">class </span>TargetRegisterClass;
+<a name="l00047"></a>00047 <span class="keyword">class </span>VirtRegMap;
+<a name="l00048"></a>00048
+<a name="l00049"></a><a class="code" href="classllvm_1_1LiveIntervals.html">00049</a> <span class="keyword">class </span><a class="code" href="classllvm_1_1LiveIntervals.html">LiveIntervals</a> : <span class="keyword">public</span> <a class="code" href="classllvm_1_1MachineFunctionPass.html">MachineFunctionPass</a> {
+<a name="l00050"></a>00050 <a class="code" href="classllvm_1_1MachineFunction.html">MachineFunction</a>* MF;
+<a name="l00051"></a>00051 <a class="code" href="classllvm_1_1MachineRegisterInfo.html">MachineRegisterInfo</a>* MRI;
+<a name="l00052"></a>00052 <span class="keyword">const</span> <a class="code" href="classllvm_1_1TargetMachine.html">TargetMachine</a>* TM;
+<a name="l00053"></a>00053 <span class="keyword">const</span> <a class="code" href="classllvm_1_1TargetRegisterInfo.html">TargetRegisterInfo</a>* TRI;
+<a name="l00054"></a>00054 <span class="keyword">const</span> <a class="code" href="classllvm_1_1TargetInstrInfo.html">TargetInstrInfo</a>* TII;
+<a name="l00055"></a>00055 <a class="code" href="classllvm_1_1AliasAnalysis.html">AliasAnalysis</a> *AA;
+<a name="l00056"></a>00056 <a class="code" href="classllvm_1_1LiveVariables.html">LiveVariables</a>* LV;
+<a name="l00057"></a>00057 <a class="code" href="classllvm_1_1SlotIndexes.html">SlotIndexes</a>* Indexes;
+<a name="l00058"></a>00058 <a class="code" href="classllvm_1_1MachineDominatorTree.html">MachineDominatorTree</a> *DomTree;
+<a name="l00059"></a>00059 <a class="code" href="classllvm_1_1LiveRangeCalc.html">LiveRangeCalc</a> *LRCalc;
+<a name="l00060"></a>00060 <span class="comment"></span>
+<a name="l00061"></a>00061 <span class="comment"> /// Special pool allocator for VNInfo's (LiveInterval val#).</span>
+<a name="l00062"></a>00062 <span class="comment"> ///</span>
+<a name="l00063"></a>00063 <span class="comment"></span> <a class="code" href="classllvm_1_1BumpPtrAllocator.html">VNInfo::Allocator</a> VNInfoAllocator;
+<a name="l00064"></a>00064 <span class="comment"></span>
+<a name="l00065"></a>00065 <span class="comment"> /// Live interval pointers for all the virtual registers.</span>
+<a name="l00066"></a>00066 <span class="comment"></span> <a class="code" href="classllvm_1_1IndexedMap.html">IndexedMap<LiveInterval*, VirtReg2IndexFunctor></a> VirtRegIntervals;
+<a name="l00067"></a>00067 <span class="comment"></span>
+<a name="l00068"></a>00068 <span class="comment"> /// RegMaskSlots - Sorted list of instructions with register mask operands.</span>
+<a name="l00069"></a>00069 <span class="comment"> /// Always use the 'r' slot, RegMasks are normal clobbers, not early</span>
+<a name="l00070"></a>00070 <span class="comment"> /// clobbers.</span>
+<a name="l00071"></a>00071 <span class="comment"></span> <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<SlotIndex, 8></a> RegMaskSlots;
+<a name="l00072"></a>00072 <span class="comment"></span>
+<a name="l00073"></a>00073 <span class="comment"> /// RegMaskBits - This vector is parallel to RegMaskSlots, it holds a</span>
+<a name="l00074"></a>00074 <span class="comment"> /// pointer to the corresponding register mask. This pointer can be</span>
+<a name="l00075"></a>00075 <span class="comment"> /// recomputed as:</span>
+<a name="l00076"></a>00076 <span class="comment"> ///</span>
+<a name="l00077"></a>00077 <span class="comment"> /// MI = Indexes->getInstructionFromIndex(RegMaskSlot[N]);</span>
+<a name="l00078"></a>00078 <span class="comment"> /// unsigned OpNum = findRegMaskOperand(MI);</span>
+<a name="l00079"></a>00079 <span class="comment"> /// RegMaskBits[N] = MI->getOperand(OpNum).getRegMask();</span>
+<a name="l00080"></a>00080 <span class="comment"> ///</span>
+<a name="l00081"></a>00081 <span class="comment"> /// This is kept in a separate vector partly because some standard</span>
+<a name="l00082"></a>00082 <span class="comment"> /// libraries don't support lower_bound() with mixed objects, partly to</span>
+<a name="l00083"></a>00083 <span class="comment"> /// improve locality when searching in RegMaskSlots.</span>
+<a name="l00084"></a>00084 <span class="comment"> /// Also see the comment in LiveInterval::find().</span>
+<a name="l00085"></a>00085 <span class="comment"></span> <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<const uint32_t*, 8></a> RegMaskBits;
+<a name="l00086"></a>00086 <span class="comment"></span>
+<a name="l00087"></a>00087 <span class="comment"> /// For each basic block number, keep (begin, size) pairs indexing into the</span>
+<a name="l00088"></a>00088 <span class="comment"> /// RegMaskSlots and RegMaskBits arrays.</span>
+<a name="l00089"></a>00089 <span class="comment"> /// Note that basic block numbers may not be layout contiguous, that's why</span>
+<a name="l00090"></a>00090 <span class="comment"> /// we can't just keep track of the first register mask in each basic</span>
+<a name="l00091"></a>00091 <span class="comment"> /// block.</span>
+<a name="l00092"></a>00092 <span class="comment"></span> <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<std::pair<unsigned, unsigned></a>, 8> RegMaskBlocks;
+<a name="l00093"></a>00093 <span class="comment"></span>
+<a name="l00094"></a>00094 <span class="comment"> /// RegUnitIntervals - Keep a live interval for each register unit as a way</span>
+<a name="l00095"></a>00095 <span class="comment"> /// of tracking fixed physreg interference.</span>
+<a name="l00096"></a>00096 <span class="comment"></span> <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<LiveInterval*, 0></a> RegUnitIntervals;
+<a name="l00097"></a>00097
+<a name="l00098"></a>00098 <span class="keyword">public</span>:
+<a name="l00099"></a><a class="code" href="classllvm_1_1LiveIntervals.html#ada20152edd7591ed264952fd22045f60">00099</a> <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="classllvm_1_1LiveIntervals.html#ada20152edd7591ed264952fd22045f60">ID</a>; <span class="comment">// Pass identification, replacement for typeid</span>
+<a name="l00100"></a>00100 <a class="code" href="classllvm_1_1LiveIntervals.html#abb1809844bac2664d50ac8b85dffb3a1">LiveIntervals</a>();
+<a name="l00101"></a>00101 <span class="keyword">virtual</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a051abd547aad728ae7aeb43f0a7b25bf">~LiveIntervals</a>();
+<a name="l00102"></a>00102
+<a name="l00103"></a>00103 <span class="comment">// Calculate the spill weight to assign to a single instruction.</span>
+<a name="l00104"></a>00104 <span class="keyword">static</span> <span class="keywordtype">float</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a4800a53f818eac9ad6eae1043849e646">getSpillWeight</a>(<span class="keywordtype">bool</span> isDef, <span class="keywordtype">bool</span> isUse, <span class="keywordtype">unsigned</span> loopDepth);
+<a name="l00105"></a>00105
+<a name="l00106"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a70cf6a51b043dc9f8ae683c266d5d9c4">00106</a> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &<a class="code" href="classllvm_1_1LiveIntervals.html#a70cf6a51b043dc9f8ae683c266d5d9c4">getInterval</a>(<span class="keywordtype">unsigned</span> <a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>) {
+<a name="l00107"></a>00107 <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a> = VirtRegIntervals[<a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>];
+<a name="l00108"></a>00108 assert(LI && <span class="stringliteral">"Interval does not exist for virtual register"</span>);
+<a name="l00109"></a>00109 <span class="keywordflow">return</span> *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>;
+<a name="l00110"></a>00110 }
+<a name="l00111"></a>00111
+<a name="l00112"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a5110a6619d324d40724a922417e82610">00112</a> <span class="keyword">const</span> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &<a class="code" href="classllvm_1_1LiveIntervals.html#a5110a6619d324d40724a922417e82610">getInterval</a>(<span class="keywordtype">unsigned</span> <a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>)<span class="keyword"> const </span>{
+<a name="l00113"></a>00113 <span class="keywordflow">return</span> <span class="keyword">const_cast<</span><a class="code" href="classllvm_1_1LiveIntervals.html">LiveIntervals</a>*<span class="keyword">></span>(<span class="keyword">this</span>)-><a class="code" href="classllvm_1_1LiveIntervals.html#a70cf6a51b043dc9f8ae683c266d5d9c4">getInterval</a>(Reg);
+<a name="l00114"></a>00114 }
+<a name="l00115"></a>00115
+<a name="l00116"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a658add65ad8e7c1421fbe79179559121">00116</a> <span class="keywordtype">bool</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a658add65ad8e7c1421fbe79179559121">hasInterval</a>(<span class="keywordtype">unsigned</span> <a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>)<span class="keyword"> const </span>{
+<a name="l00117"></a>00117 <span class="keywordflow">return</span> VirtRegIntervals.<a class="code" href="classllvm_1_1IndexedMap.html#a4f6616201a89f276cfb638222b8b24fa">inBounds</a>(Reg) && VirtRegIntervals[<a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>];
+<a name="l00118"></a>00118 }
+<a name="l00119"></a>00119
+<a name="l00120"></a>00120 <span class="comment">// Interval creation.</span>
+<a name="l00121"></a><a class="code" href="classllvm_1_1LiveIntervals.html#ac8441e16ee37948d991fccfeabc55f95">00121</a> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &<a class="code" href="classllvm_1_1LiveIntervals.html#ac8441e16ee37948d991fccfeabc55f95">getOrCreateInterval</a>(<span class="keywordtype">unsigned</span> <a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>) {
+<a name="l00122"></a>00122 <span class="keywordflow">if</span> (!<a class="code" href="classllvm_1_1LiveIntervals.html#a658add65ad8e7c1421fbe79179559121">hasInterval</a>(Reg)) {
+<a name="l00123"></a>00123 VirtRegIntervals.<a class="code" href="classllvm_1_1IndexedMap.html#a5e822b0690502a04b87125e63dbc8316">grow</a>(Reg);
+<a name="l00124"></a>00124 VirtRegIntervals[<a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>] = createInterval(Reg);
+<a name="l00125"></a>00125 }
+<a name="l00126"></a>00126 <span class="keywordflow">return</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a70cf6a51b043dc9f8ae683c266d5d9c4">getInterval</a>(Reg);
+<a name="l00127"></a>00127 }
+<a name="l00128"></a>00128
+<a name="l00129"></a>00129 <span class="comment">// Interval removal.</span>
+<a name="l00130"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a6050096eb05dbe34cd1ba47c03f5031f">00130</a> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a6050096eb05dbe34cd1ba47c03f5031f">removeInterval</a>(<span class="keywordtype">unsigned</span> <a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>) {
+<a name="l00131"></a>00131 <span class="keyword">delete</span> VirtRegIntervals[<a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>];
+<a name="l00132"></a>00132 VirtRegIntervals[<a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>] = 0;
+<a name="l00133"></a>00133 }
+<a name="l00134"></a>00134 <span class="comment"></span>
+<a name="l00135"></a>00135 <span class="comment"> /// addLiveRangeToEndOfBlock - Given a register and an instruction,</span>
+<a name="l00136"></a>00136 <span class="comment"> /// adds a live range from that instruction to the end of its MBB.</span>
+<a name="l00137"></a>00137 <span class="comment"></span> <a class="code" href="structllvm_1_1LiveRange.html">LiveRange</a> <a class="code" href="classllvm_1_1LiveIntervals.html#a16c5fa7180693f87ca8a777162facefe">addLiveRangeToEndOfBlock</a>(<span class="keywordtype">unsigned</span> reg,
+<a name="l00138"></a>00138 <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a>* startInst);
+<a name="l00139"></a>00139 <span class="comment"></span>
+<a name="l00140"></a>00140 <span class="comment"> /// shrinkToUses - After removing some uses of a register, shrink its live</span>
+<a name="l00141"></a>00141 <span class="comment"> /// range to just the remaining uses. This method does not compute reaching</span>
+<a name="l00142"></a>00142 <span class="comment"> /// defs for new uses, and it doesn't remove dead defs.</span>
+<a name="l00143"></a>00143 <span class="comment"> /// Dead PHIDef values are marked as unused.</span>
+<a name="l00144"></a>00144 <span class="comment"> /// New dead machine instructions are added to the dead vector.</span>
+<a name="l00145"></a>00145 <span class="comment"> /// Return true if the interval may have been separated into multiple</span>
+<a name="l00146"></a>00146 <span class="comment"> /// connected components.</span>
+<a name="l00147"></a>00147 <span class="comment"></span> <span class="keywordtype">bool</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a530d0ce3a2552ac48611da73df279550">shrinkToUses</a>(<a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> *li,
+<a name="l00148"></a>00148 <a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<MachineInstr*></a> *dead = 0);
+<a name="l00149"></a>00149 <span class="comment"></span>
+<a name="l00150"></a>00150 <span class="comment"> /// extendToIndices - Extend the live range of LI to reach all points in</span>
+<a name="l00151"></a>00151 <span class="comment"> /// Indices. The points in the Indices array must be jointly dominated by</span>
+<a name="l00152"></a>00152 <span class="comment"> /// existing defs in LI. PHI-defs are added as needed to maintain SSA form.</span>
+<a name="l00153"></a>00153 <span class="comment"> ///</span>
+<a name="l00154"></a>00154 <span class="comment"> /// If a SlotIndex in Indices is the end index of a basic block, LI will be</span>
+<a name="l00155"></a>00155 <span class="comment"> /// extended to be live out of the basic block.</span>
+<a name="l00156"></a>00156 <span class="comment"> ///</span>
+<a name="l00157"></a>00157 <span class="comment"> /// See also LiveRangeCalc::extend().</span>
+<a name="l00158"></a>00158 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#aa0ac255bd2b91f9f899cbd24d520c4fc">extendToIndices</a>(<a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>, <a class="code" href="classllvm_1_1ArrayRef.html">ArrayRef<SlotIndex></a> Indices);
+<a name="l00159"></a>00159 <span class="comment"></span>
+<a name="l00160"></a>00160 <span class="comment"> /// pruneValue - If an LI value is live at Kill, prune its live range by</span>
+<a name="l00161"></a>00161 <span class="comment"> /// removing any liveness reachable from Kill. Add live range end points to</span>
+<a name="l00162"></a>00162 <span class="comment"> /// EndPoints such that extendToIndices(LI, EndPoints) will reconstruct the</span>
+<a name="l00163"></a>00163 <span class="comment"> /// value's live range.</span>
+<a name="l00164"></a>00164 <span class="comment"> ///</span>
+<a name="l00165"></a>00165 <span class="comment"> /// Calling pruneValue() and extendToIndices() can be used to reconstruct</span>
+<a name="l00166"></a>00166 <span class="comment"> /// SSA form after adding defs to a virtual register.</span>
+<a name="l00167"></a>00167 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#afe20dede23e3347980cae42cfde98813">pruneValue</a>(<a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>, <a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> <a class="code" href="namespacellvm_1_1RegState.html#a079b254e749130fbe5d740f314ca92daa9ddde91ef09476d28a088fe57f8e2921">Kill</a>,
+<a name="l00168"></a>00168 <a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<SlotIndex></a> *EndPoints);
+<a name="l00169"></a>00169
+<a name="l00170"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a6b0174feb4134d914c5fea4c2df057dd">00170</a> <a class="code" href="classllvm_1_1SlotIndexes.html">SlotIndexes</a> *<a class="code" href="classllvm_1_1LiveIntervals.html#a6b0174feb4134d914c5fea4c2df057dd">getSlotIndexes</a>()<span class="keyword"> const </span>{
+<a name="l00171"></a>00171 <span class="keywordflow">return</span> Indexes;
+<a name="l00172"></a>00172 }
+<a name="l00173"></a>00173
+<a name="l00174"></a><a class="code" href="classllvm_1_1LiveIntervals.html#acd5964aa0630b0bec8ec23f5bec5820d">00174</a> <a class="code" href="classllvm_1_1AliasAnalysis.html">AliasAnalysis</a> *<a class="code" href="classllvm_1_1LiveIntervals.html#acd5964aa0630b0bec8ec23f5bec5820d">getAliasAnalysis</a>()<span class="keyword"> const </span>{
+<a name="l00175"></a>00175 <span class="keywordflow">return</span> AA;
+<a name="l00176"></a>00176 }
+<a name="l00177"></a>00177 <span class="comment"></span>
+<a name="l00178"></a>00178 <span class="comment"> /// isNotInMIMap - returns true if the specified machine instr has been</span>
+<a name="l00179"></a>00179 <span class="comment"> /// removed or was never entered in the map.</span>
+<a name="l00180"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a3062313f82fcbec8f1b226181989ece6">00180</a> <span class="comment"></span> <span class="keywordtype">bool</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a3062313f82fcbec8f1b226181989ece6">isNotInMIMap</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a>* Instr)<span class="keyword"> const </span>{
+<a name="l00181"></a>00181 <span class="keywordflow">return</span> !Indexes-><a class="code" href="classllvm_1_1SlotIndexes.html#a96ac309d73360f85d1a132eb4abf674e">hasIndex</a>(Instr);
+<a name="l00182"></a>00182 }
+<a name="l00183"></a>00183 <span class="comment"></span>
+<a name="l00184"></a>00184 <span class="comment"> /// Returns the base index of the given instruction.</span>
+<a name="l00185"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a6bbcfa1e19c409a905ffc0356c060bd4">00185</a> <span class="comment"></span> <a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> <a class="code" href="classllvm_1_1LiveIntervals.html#a6bbcfa1e19c409a905ffc0356c060bd4" title="Returns the base index of the given instruction.">getInstructionIndex</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *instr)<span class="keyword"> const </span>{
+<a name="l00186"></a>00186 <span class="keywordflow">return</span> Indexes-><a class="code" href="classllvm_1_1SlotIndexes.html#ada895ec8deba28c17ee5d45cddf1882d" title="Returns the base index for the given instruction.">getInstructionIndex</a>(instr);
+<a name="l00187"></a>00187 }
+<a name="l00188"></a>00188 <span class="comment"></span>
+<a name="l00189"></a>00189 <span class="comment"> /// Returns the instruction associated with the given index.</span>
+<a name="l00190"></a><a class="code" href="classllvm_1_1LiveIntervals.html#ab306d0d7e986cc18578a5150c44a9f7a">00190</a> <span class="comment"></span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a>* <a class="code" href="classllvm_1_1LiveIntervals.html#ab306d0d7e986cc18578a5150c44a9f7a" title="Returns the instruction associated with the given index.">getInstructionFromIndex</a>(<a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> index)<span class="keyword"> const </span>{
+<a name="l00191"></a>00191 <span class="keywordflow">return</span> Indexes-><a class="code" href="classllvm_1_1SlotIndexes.html#a80461fac9933c96d5ffbeae0fccfd916">getInstructionFromIndex</a>(index);
+<a name="l00192"></a>00192 }
+<a name="l00193"></a>00193 <span class="comment"></span>
+<a name="l00194"></a>00194 <span class="comment"> /// Return the first index in the given basic block.</span>
+<a name="l00195"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a0dba580f04fc2c2ba0662c459ad8c911">00195</a> <span class="comment"></span> <a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> <a class="code" href="classllvm_1_1LiveIntervals.html#a0dba580f04fc2c2ba0662c459ad8c911" title="Return the first index in the given basic block.">getMBBStartIdx</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a> *mbb)<span class="keyword"> const </span>{
+<a name="l00196"></a>00196 <span class="keywordflow">return</span> Indexes-><a class="code" href="classllvm_1_1SlotIndexes.html#a7d9e911655267def875c265ae774cf68" title="Returns the first index in the given basic block number.">getMBBStartIdx</a>(mbb);
+<a name="l00197"></a>00197 }
+<a name="l00198"></a>00198 <span class="comment"></span>
+<a name="l00199"></a>00199 <span class="comment"> /// Return the last index in the given basic block.</span>
+<a name="l00200"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a4ed1e0b18a1fa4219caac5e38e99286e">00200</a> <span class="comment"></span> <a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> <a class="code" href="classllvm_1_1LiveIntervals.html#a4ed1e0b18a1fa4219caac5e38e99286e" title="Return the last index in the given basic block.">getMBBEndIdx</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a> *mbb)<span class="keyword"> const </span>{
+<a name="l00201"></a>00201 <span class="keywordflow">return</span> Indexes-><a class="code" href="classllvm_1_1SlotIndexes.html#a42c3b0bec1a7a288f0ef0540895484a1" title="Returns the last index in the given basic block number.">getMBBEndIdx</a>(mbb);
+<a name="l00202"></a>00202 }
+<a name="l00203"></a>00203
+<a name="l00204"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a7e6673cce25da2d67c9f5201d9afd463">00204</a> <span class="keywordtype">bool</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a7e6673cce25da2d67c9f5201d9afd463">isLiveInToMBB</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &li,
+<a name="l00205"></a>00205 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a> *mbb)<span class="keyword"> const </span>{
+<a name="l00206"></a>00206 <span class="keywordflow">return</span> li.<a class="code" href="classllvm_1_1LiveInterval.html#a20b4ca166d96de74b1d5b3b22250bd3d">liveAt</a>(<a class="code" href="classllvm_1_1LiveIntervals.html#a0dba580f04fc2c2ba0662c459ad8c911" title="Return the first index in the given basic block.">getMBBStartIdx</a>(mbb));
+<a name="l00207"></a>00207 }
+<a name="l00208"></a>00208
+<a name="l00209"></a><a class="code" href="classllvm_1_1LiveIntervals.html#aa7cfece92aade109a3eb57258a111003">00209</a> <span class="keywordtype">bool</span> <a class="code" href="classllvm_1_1LiveIntervals.html#aa7cfece92aade109a3eb57258a111003">isLiveOutOfMBB</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &li,
+<a name="l00210"></a>00210 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a> *mbb)<span class="keyword"> const </span>{
+<a name="l00211"></a>00211 <span class="keywordflow">return</span> li.<a class="code" href="classllvm_1_1LiveInterval.html#a20b4ca166d96de74b1d5b3b22250bd3d">liveAt</a>(<a class="code" href="classllvm_1_1LiveIntervals.html#a4ed1e0b18a1fa4219caac5e38e99286e" title="Return the last index in the given basic block.">getMBBEndIdx</a>(mbb).getPrevSlot());
+<a name="l00212"></a>00212 }
+<a name="l00213"></a>00213
+<a name="l00214"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a7948bdc0e257a3c8310ff82dfd3441d6">00214</a> <a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a>* <a class="code" href="classllvm_1_1LiveIntervals.html#a7948bdc0e257a3c8310ff82dfd3441d6">getMBBFromIndex</a>(<a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> index)<span class="keyword"> const </span>{
+<a name="l00215"></a>00215 <span class="keywordflow">return</span> Indexes-><a class="code" href="classllvm_1_1SlotIndexes.html#af549feb46d63e1f1057375812fe14f04" title="Returns the basic block which the given index falls in.">getMBBFromIndex</a>(index);
+<a name="l00216"></a>00216 }
+<a name="l00217"></a>00217
+<a name="l00218"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a72032c8eefbf5b63bd37f24bdf2bbbe8">00218</a> <a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> <a class="code" href="classllvm_1_1LiveIntervals.html#a72032c8eefbf5b63bd37f24bdf2bbbe8">InsertMachineInstrInMaps</a>(<a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *<a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>) {
+<a name="l00219"></a>00219 <span class="keywordflow">return</span> Indexes-><a class="code" href="classllvm_1_1SlotIndexes.html#acb6fde19c2c5fefec8b31982c47495e7">insertMachineInstrInMaps</a>(MI);
+<a name="l00220"></a>00220 }
+<a name="l00221"></a>00221
+<a name="l00222"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a4913e06cfa1f22a3040d3090f924e4ed">00222</a> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a4913e06cfa1f22a3040d3090f924e4ed">RemoveMachineInstrFromMaps</a>(<a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *<a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>) {
+<a name="l00223"></a>00223 Indexes-><a class="code" href="classllvm_1_1SlotIndexes.html#a99e8cb9990f0e6997bbb34fb092902d4" title="Remove the given machine instruction from the mapping.">removeMachineInstrFromMaps</a>(MI);
+<a name="l00224"></a>00224 }
+<a name="l00225"></a>00225
+<a name="l00226"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a403a7d7aa7ebd74f4bf85d036a247cc1">00226</a> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a403a7d7aa7ebd74f4bf85d036a247cc1">ReplaceMachineInstrInMaps</a>(<a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *<a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>, <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *NewMI) {
+<a name="l00227"></a>00227 Indexes-><a class="code" href="classllvm_1_1SlotIndexes.html#a27fca2411e5d1501cf71c1afa6e20796">replaceMachineInstrInMaps</a>(MI, NewMI);
+<a name="l00228"></a>00228 }
+<a name="l00229"></a>00229
+<a name="l00230"></a><a class="code" href="classllvm_1_1LiveIntervals.html#ad7efafe3c43a56f34a2b1cedc0c1d73e">00230</a> <span class="keywordtype">bool</span> <a class="code" href="classllvm_1_1LiveIntervals.html#ad7efafe3c43a56f34a2b1cedc0c1d73e">findLiveInMBBs</a>(<a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> Start, <a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> End,
+<a name="l00231"></a>00231 <a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<MachineBasicBlock*></a> &MBBs)<span class="keyword"> const </span>{
+<a name="l00232"></a>00232 <span class="keywordflow">return</span> Indexes-><a class="code" href="classllvm_1_1SlotIndexes.html#a4432f09307aedc9d2a1dd532bfc14260">findLiveInMBBs</a>(Start, End, MBBs);
+<a name="l00233"></a>00233 }
+<a name="l00234"></a>00234
+<a name="l00235"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a11b78aceef1db7dddc7ca575c395ddaf">00235</a> <a class="code" href="classllvm_1_1BumpPtrAllocator.html">VNInfo::Allocator</a>& <a class="code" href="classllvm_1_1LiveIntervals.html#a11b78aceef1db7dddc7ca575c395ddaf">getVNInfoAllocator</a>() { <span class="keywordflow">return</span> VNInfoAllocator; }
+<a name="l00236"></a>00236
+<a name="l00237"></a>00237 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a8901c9daf119e70623f22905b4066305">getAnalysisUsage</a>(<a class="code" href="classllvm_1_1AnalysisUsage.html">AnalysisUsage</a> &AU) <span class="keyword">const</span>;
+<a name="l00238"></a>00238 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a1d07d9d81506cd9aa328236b3de7974d">releaseMemory</a>();
+<a name="l00239"></a>00239 <span class="comment"></span>
+<a name="l00240"></a>00240 <span class="comment"> /// runOnMachineFunction - pass entry point</span>
+<a name="l00241"></a>00241 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a5c4ad3a3c5be8ed406e28b90d27353b9" title="runOnMachineFunction - pass entry point">runOnMachineFunction</a>(<a class="code" href="classllvm_1_1MachineFunction.html">MachineFunction</a>&);
+<a name="l00242"></a>00242 <span class="comment"></span>
+<a name="l00243"></a>00243 <span class="comment"> /// print - Implement the dump method.</span>
+<a name="l00244"></a>00244 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a0b1bc41fafd88e3a895d44f64cc2ef7a" title="print - Implement the dump method.">print</a>(<a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O, <span class="keyword">const</span> <a class="code" href="classllvm_1_1Module.html" title="The main container class for the LLVM Intermediate Representation.">Module</a>* = 0) <span class="keyword">const</span>;
+<a name="l00245"></a>00245 <span class="comment"></span>
+<a name="l00246"></a>00246 <span class="comment"> /// intervalIsInOneMBB - If LI is confined to a single basic block, return</span>
+<a name="l00247"></a>00247 <span class="comment"> /// a pointer to that block. If LI is live in to or out of any block,</span>
+<a name="l00248"></a>00248 <span class="comment"> /// return NULL.</span>
+<a name="l00249"></a>00249 <span class="comment"></span> <a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a> *<a class="code" href="classllvm_1_1LiveIntervals.html#a33c530a347219feffbfaa5d708337925">intervalIsInOneMBB</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>) <span class="keyword">const</span>;
+<a name="l00250"></a>00250 <span class="comment"></span>
+<a name="l00251"></a>00251 <span class="comment"> /// Returns true if VNI is killed by any PHI-def values in LI.</span>
+<a name="l00252"></a>00252 <span class="comment"> /// This may conservatively return true to avoid expensive computations.</span>
+<a name="l00253"></a>00253 <span class="comment"></span> <span class="keywordtype">bool</span> <a class="code" href="classllvm_1_1LiveIntervals.html#af17f37dfd45231deffe4576e0e416804">hasPHIKill</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>, <span class="keyword">const</span> <a class="code" href="classllvm_1_1VNInfo.html">VNInfo</a> *VNI) <span class="keyword">const</span>;
+<a name="l00254"></a>00254 <span class="comment"></span>
+<a name="l00255"></a>00255 <span class="comment"> /// addKillFlags - Add kill flags to any instruction that kills a virtual</span>
+<a name="l00256"></a>00256 <span class="comment"> /// register.</span>
+<a name="l00257"></a>00257 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a6e3886e9084257e74b5db4a8951d36e0">addKillFlags</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1VirtRegMap.html">VirtRegMap</a>*);
+<a name="l00258"></a>00258 <span class="comment"></span>
+<a name="l00259"></a>00259 <span class="comment"> /// handleMove - call this method to notify LiveIntervals that</span>
+<a name="l00260"></a>00260 <span class="comment"> /// instruction 'mi' has been moved within a basic block. This will update</span>
+<a name="l00261"></a>00261 <span class="comment"> /// the live intervals for all operands of mi. Moves between basic blocks</span>
+<a name="l00262"></a>00262 <span class="comment"> /// are not supported.</span>
+<a name="l00263"></a>00263 <span class="comment"> ///</span>
+<a name="l00264"></a>00264 <span class="comment"> /// \param UpdateFlags Update live intervals for nonallocatable physregs.</span>
+<a name="l00265"></a>00265 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a2d45135c7d66356b77f681aa542d86ba">handleMove</a>(<a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a>* <a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>, <span class="keywordtype">bool</span> UpdateFlags = <span class="keyword">false</span>);
+<a name="l00266"></a>00266 <span class="comment"></span>
+<a name="l00267"></a>00267 <span class="comment"> /// moveIntoBundle - Update intervals for operands of MI so that they</span>
+<a name="l00268"></a>00268 <span class="comment"> /// begin/end on the SlotIndex for BundleStart.</span>
+<a name="l00269"></a>00269 <span class="comment"> ///</span>
+<a name="l00270"></a>00270 <span class="comment"> /// \param UpdateFlags Update live intervals for nonallocatable physregs.</span>
+<a name="l00271"></a>00271 <span class="comment"> ///</span>
+<a name="l00272"></a>00272 <span class="comment"> /// Requires MI and BundleStart to have SlotIndexes, and assumes</span>
+<a name="l00273"></a>00273 <span class="comment"> /// existing liveness is accurate. BundleStart should be the first</span>
+<a name="l00274"></a>00274 <span class="comment"> /// instruction in the Bundle.</span>
+<a name="l00275"></a>00275 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a05737e81844e37bda855bb9f35c59fe1">handleMoveIntoBundle</a>(<a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a>* <a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>, <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a>* BundleStart,
+<a name="l00276"></a>00276 <span class="keywordtype">bool</span> UpdateFlags = <span class="keyword">false</span>);
+<a name="l00277"></a>00277
+<a name="l00278"></a>00278 <span class="comment">// Register mask functions.</span>
+<a name="l00279"></a>00279 <span class="comment">//</span>
+<a name="l00280"></a>00280 <span class="comment">// Machine instructions may use a register mask operand to indicate that a</span>
+<a name="l00281"></a>00281 <span class="comment">// large number of registers are clobbered by the instruction. This is</span>
+<a name="l00282"></a>00282 <span class="comment">// typically used for calls.</span>
+<a name="l00283"></a>00283 <span class="comment">//</span>
+<a name="l00284"></a>00284 <span class="comment">// For compile time performance reasons, these clobbers are not recorded in</span>
+<a name="l00285"></a>00285 <span class="comment">// the live intervals for individual physical registers. Instead,</span>
+<a name="l00286"></a>00286 <span class="comment">// LiveIntervalAnalysis maintains a sorted list of instructions with</span>
+<a name="l00287"></a>00287 <span class="comment">// register mask operands.</span>
+<a name="l00288"></a>00288 <span class="comment"></span>
+<a name="l00289"></a>00289 <span class="comment"> /// getRegMaskSlots - Returns a sorted array of slot indices of all</span>
+<a name="l00290"></a>00290 <span class="comment"> /// instructions with register mask operands.</span>
+<a name="l00291"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a53ac43c5265860fcbc6c514f89f04718">00291</a> <span class="comment"></span> <a class="code" href="classllvm_1_1ArrayRef.html">ArrayRef<SlotIndex></a> <a class="code" href="classllvm_1_1LiveIntervals.html#a53ac43c5265860fcbc6c514f89f04718">getRegMaskSlots</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> RegMaskSlots; }
+<a name="l00292"></a>00292 <span class="comment"></span>
+<a name="l00293"></a>00293 <span class="comment"> /// getRegMaskSlotsInBlock - Returns a sorted array of slot indices of all</span>
+<a name="l00294"></a>00294 <span class="comment"> /// instructions with register mask operands in the basic block numbered</span>
+<a name="l00295"></a>00295 <span class="comment"> /// MBBNum.</span>
+<a name="l00296"></a><a class="code" href="classllvm_1_1LiveIntervals.html#ae4c5ed6ae63766d072e1077c3f470080">00296</a> <span class="comment"></span> <a class="code" href="classllvm_1_1ArrayRef.html">ArrayRef<SlotIndex></a> <a class="code" href="classllvm_1_1LiveIntervals.html#ae4c5ed6ae63766d072e1077c3f470080">getRegMaskSlotsInBlock</a>(<span class="keywordtype">unsigned</span> MBBNum)<span class="keyword"> const </span>{
+<a name="l00297"></a>00297 std::pair<unsigned, unsigned> P = RegMaskBlocks[MBBNum];
+<a name="l00298"></a>00298 <span class="keywordflow">return</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a53ac43c5265860fcbc6c514f89f04718">getRegMaskSlots</a>().slice(P.first, P.second);
+<a name="l00299"></a>00299 }
+<a name="l00300"></a>00300 <span class="comment"></span>
+<a name="l00301"></a>00301 <span class="comment"> /// getRegMaskBits() - Returns an array of register mask pointers</span>
+<a name="l00302"></a>00302 <span class="comment"> /// corresponding to getRegMaskSlots().</span>
+<a name="l00303"></a><a class="code" href="classllvm_1_1LiveIntervals.html#a3592af5b9bc935f14079c68ae4d0e7b5">00303</a> <span class="comment"></span> <a class="code" href="classllvm_1_1ArrayRef.html">ArrayRef<const uint32_t*></a> <a class="code" href="classllvm_1_1LiveIntervals.html#a3592af5b9bc935f14079c68ae4d0e7b5">getRegMaskBits</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> RegMaskBits; }
+<a name="l00304"></a>00304 <span class="comment"></span>
+<a name="l00305"></a>00305 <span class="comment"> /// getRegMaskBitsInBlock - Returns an array of mask pointers corresponding</span>
+<a name="l00306"></a>00306 <span class="comment"> /// to getRegMaskSlotsInBlock(MBBNum).</span>
+<a name="l00307"></a><a class="code" href="classllvm_1_1LiveIntervals.html#ade5f53c1933d9f90b3cc1682a598ba07">00307</a> <span class="comment"></span> <a class="code" href="classllvm_1_1ArrayRef.html">ArrayRef<const uint32_t*></a> <a class="code" href="classllvm_1_1LiveIntervals.html#ade5f53c1933d9f90b3cc1682a598ba07">getRegMaskBitsInBlock</a>(<span class="keywordtype">unsigned</span> MBBNum)<span class="keyword"> const </span>{
+<a name="l00308"></a>00308 std::pair<unsigned, unsigned> P = RegMaskBlocks[MBBNum];
+<a name="l00309"></a>00309 <span class="keywordflow">return</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a3592af5b9bc935f14079c68ae4d0e7b5">getRegMaskBits</a>().slice(P.first, P.second);
+<a name="l00310"></a>00310 }
+<a name="l00311"></a>00311 <span class="comment"></span>
+<a name="l00312"></a>00312 <span class="comment"> /// checkRegMaskInterference - Test if LI is live across any register mask</span>
+<a name="l00313"></a>00313 <span class="comment"> /// instructions, and compute a bit mask of physical registers that are not</span>
+<a name="l00314"></a>00314 <span class="comment"> /// clobbered by any of them.</span>
+<a name="l00315"></a>00315 <span class="comment"> ///</span>
+<a name="l00316"></a>00316 <span class="comment"> /// Returns false if LI doesn't cross any register mask instructions. In</span>
+<a name="l00317"></a>00317 <span class="comment"> /// that case, the bit vector is not filled in.</span>
+<a name="l00318"></a>00318 <span class="comment"></span> <span class="keywordtype">bool</span> <a class="code" href="classllvm_1_1LiveIntervals.html#a044210fc5bff20b7f2a6814b877891ca">checkRegMaskInterference</a>(<a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>,
+<a name="l00319"></a>00319 <a class="code" href="classllvm_1_1BitVector.html">BitVector</a> &UsableRegs);
+<a name="l00320"></a>00320
+<a name="l00321"></a>00321 <span class="comment">// Register unit functions.</span>
+<a name="l00322"></a>00322 <span class="comment">//</span>
+<a name="l00323"></a>00323 <span class="comment">// Fixed interference occurs when MachineInstrs use physregs directly</span>
+<a name="l00324"></a>00324 <span class="comment">// instead of virtual registers. This typically happens when passing</span>
+<a name="l00325"></a>00325 <span class="comment">// arguments to a function call, or when instructions require operands in</span>
+<a name="l00326"></a>00326 <span class="comment">// fixed registers.</span>
+<a name="l00327"></a>00327 <span class="comment">//</span>
+<a name="l00328"></a>00328 <span class="comment">// Each physreg has one or more register units, see MCRegisterInfo. We</span>
+<a name="l00329"></a>00329 <span class="comment">// track liveness per register unit to handle aliasing registers more</span>
+<a name="l00330"></a>00330 <span class="comment">// efficiently.</span>
+<a name="l00331"></a>00331 <span class="comment"></span>
+<a name="l00332"></a>00332 <span class="comment"> /// getRegUnit - Return the live range for Unit.</span>
+<a name="l00333"></a>00333 <span class="comment"> /// It will be computed if it doesn't exist.</span>
+<a name="l00334"></a><a class="code" href="classllvm_1_1LiveIntervals.html#aa92af8f5e4caed62c97b566f498cd708">00334</a> <span class="comment"></span> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &<a class="code" href="classllvm_1_1LiveIntervals.html#aa92af8f5e4caed62c97b566f498cd708">getRegUnit</a>(<span class="keywordtype">unsigned</span> Unit) {
+<a name="l00335"></a>00335 <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a> = RegUnitIntervals[Unit];
+<a name="l00336"></a>00336 <span class="keywordflow">if</span> (!LI) {
+<a name="l00337"></a>00337 <span class="comment">// Compute missing ranges on demand.</span>
+<a name="l00338"></a>00338 RegUnitIntervals[Unit] = LI = <span class="keyword">new</span> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a>(Unit, <a class="code" href="DataTypes_8h.html#acd69981d54c27fe0ff514645dbfc6359">HUGE_VALF</a>);
+<a name="l00339"></a>00339 computeRegUnitInterval(LI);
+<a name="l00340"></a>00340 }
+<a name="l00341"></a>00341 <span class="keywordflow">return</span> *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>;
+<a name="l00342"></a>00342 }
+<a name="l00343"></a>00343 <span class="comment"></span>
+<a name="l00344"></a>00344 <span class="comment"> /// getCachedRegUnit - Return the live range for Unit if it has already</span>
+<a name="l00345"></a>00345 <span class="comment"> /// been computed, or NULL if it hasn't been computed yet.</span>
+<a name="l00346"></a><a class="code" href="classllvm_1_1LiveIntervals.html#ad19d27290d01b0a97f4832da06193fd8">00346</a> <span class="comment"></span> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> *<a class="code" href="classllvm_1_1LiveIntervals.html#ad19d27290d01b0a97f4832da06193fd8">getCachedRegUnit</a>(<span class="keywordtype">unsigned</span> Unit) {
+<a name="l00347"></a>00347 <span class="keywordflow">return</span> RegUnitIntervals[Unit];
+<a name="l00348"></a>00348 }
+<a name="l00349"></a>00349
+<a name="l00350"></a>00350 <span class="keyword">private</span>:<span class="comment"></span>
+<a name="l00351"></a>00351 <span class="comment"> /// computeIntervals - Compute live intervals.</span>
+<a name="l00352"></a>00352 <span class="comment"></span> <span class="keywordtype">void</span> computeIntervals();
+<a name="l00353"></a>00353 <span class="comment"></span>
+<a name="l00354"></a>00354 <span class="comment"> /// Compute live intervals for all virtual registers.</span>
+<a name="l00355"></a>00355 <span class="comment"></span> <span class="keywordtype">void</span> computeVirtRegs();
+<a name="l00356"></a>00356 <span class="comment"></span>
+<a name="l00357"></a>00357 <span class="comment"> /// Compute RegMaskSlots and RegMaskBits.</span>
+<a name="l00358"></a>00358 <span class="comment"></span> <span class="keywordtype">void</span> computeRegMasks();
+<a name="l00359"></a>00359 <span class="comment"></span>
+<a name="l00360"></a>00360 <span class="comment"> /// handleRegisterDef - update intervals for a register def</span>
+<a name="l00361"></a>00361 <span class="comment"> /// (calls handleVirtualRegisterDef)</span>
+<a name="l00362"></a>00362 <span class="comment"></span> <span class="keywordtype">void</span> handleRegisterDef(<a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a> *MBB,
+<a name="l00363"></a>00363 <a class="code" href="classllvm_1_1MachineBasicBlock_1_1bundle__iterator.html">MachineBasicBlock::iterator</a> <a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>,
+<a name="l00364"></a>00364 <a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> MIIdx,
+<a name="l00365"></a>00365 <a class="code" href="classllvm_1_1MachineOperand.html">MachineOperand</a>& MO, <span class="keywordtype">unsigned</span> MOIdx);
+<a name="l00366"></a>00366 <span class="comment"></span>
+<a name="l00367"></a>00367 <span class="comment"> /// isPartialRedef - Return true if the specified def at the specific index</span>
+<a name="l00368"></a>00368 <span class="comment"> /// is partially re-defining the specified live interval. A common case of</span>
+<a name="l00369"></a>00369 <span class="comment"> /// this is a definition of the sub-register.</span>
+<a name="l00370"></a>00370 <span class="comment"></span> <span class="keywordtype">bool</span> isPartialRedef(<a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> MIIdx, <a class="code" href="classllvm_1_1MachineOperand.html">MachineOperand</a> &MO,
+<a name="l00371"></a>00371 <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &interval);
+<a name="l00372"></a>00372 <span class="comment"></span>
+<a name="l00373"></a>00373 <span class="comment"> /// handleVirtualRegisterDef - update intervals for a virtual</span>
+<a name="l00374"></a>00374 <span class="comment"> /// register def</span>
+<a name="l00375"></a>00375 <span class="comment"></span> <span class="keywordtype">void</span> handleVirtualRegisterDef(<a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a> *MBB,
+<a name="l00376"></a>00376 <a class="code" href="classllvm_1_1MachineBasicBlock_1_1bundle__iterator.html">MachineBasicBlock::iterator</a> <a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>,
+<a name="l00377"></a>00377 <a class="code" href="classllvm_1_1SlotIndex.html" title="SlotIndex - An opaque wrapper around machine indexes.">SlotIndex</a> MIIdx, <a class="code" href="classllvm_1_1MachineOperand.html">MachineOperand</a>& MO,
+<a name="l00378"></a>00378 <span class="keywordtype">unsigned</span> MOIdx,
+<a name="l00379"></a>00379 <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a>& interval);
+<a name="l00380"></a>00380
+<a name="l00381"></a>00381 <span class="keyword">static</span> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a>* createInterval(<span class="keywordtype">unsigned</span> <a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>);
+<a name="l00382"></a>00382
+<a name="l00383"></a>00383 <span class="keywordtype">void</span> printInstrs(<a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O) <span class="keyword">const</span>;
+<a name="l00384"></a>00384 <span class="keywordtype">void</span> dumpInstrs() <span class="keyword">const</span>;
+<a name="l00385"></a>00385
+<a name="l00386"></a>00386 <span class="keywordtype">void</span> computeLiveInRegUnits();
+<a name="l00387"></a>00387 <span class="keywordtype">void</span> computeRegUnitInterval(<a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a>*);
+<a name="l00388"></a>00388 <span class="keywordtype">void</span> computeVirtRegInterval(<a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a>*);
+<a name="l00389"></a>00389
+<a name="l00390"></a>00390 <span class="keyword">class </span>HMEditor;
+<a name="l00391"></a>00391 };
+<a name="l00392"></a>00392 } <span class="comment">// End llvm namespace</span>
+<a name="l00393"></a>00393
+<a name="l00394"></a>00394 <span class="preprocessor">#endif</span>
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:10 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
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+<meta name="keywords" content="LLVM,Low Level Virtual Machine,C++,doxygen,API,documentation"/>
+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: LiveStackAnalysis.h Source File</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
+<p class="title">LLVM API Documentation</p>
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+ <li><a href="files.html"><span>File List</span></a></li>
+ <li><a href="globals.html"><span>File Members</span></a></li>
+ </ul>
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+ <div id="nav-path" class="navpath">
+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_25acc6571c4e3a053ee4203146b47a61.html">include</a> </li>
+ <li class="navelem"><a class="el" href="dir_fd2d7b5ce83b1c1657cd6600d8cb39fa.html">llvm</a> </li>
+ <li class="navelem"><a class="el" href="dir_33f9015af551a3c03ac5a968f2023d57.html">CodeGen</a> </li>
+ </ul>
+ </div>
+</div>
+<div class="header">
+ <div class="headertitle">
+<div class="title">LiveStackAnalysis.h</div> </div>
+</div>
+<div class="contents">
+<a href="LiveStackAnalysis_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===-- LiveStackAnalysis.h - Live Stack Slot Analysis ----------*- C++ -*-===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// This file implements the live stack slot analysis pass. It is analogous to</span>
+<a name="l00011"></a>00011 <span class="comment">// live interval analysis except it's analyzing liveness of stack slots rather</span>
+<a name="l00012"></a>00012 <span class="comment">// than registers.</span>
+<a name="l00013"></a>00013 <span class="comment">//</span>
+<a name="l00014"></a>00014 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00015"></a>00015
+<a name="l00016"></a>00016 <span class="preprocessor">#ifndef LLVM_CODEGEN_LIVESTACK_ANALYSIS_H</span>
+<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#define LLVM_CODEGEN_LIVESTACK_ANALYSIS_H</span>
+<a name="l00018"></a>00018 <span class="preprocessor"></span>
+<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="MachineFunctionPass_8h.html">llvm/CodeGen/MachineFunctionPass.h</a>"</span>
+<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="LiveInterval_8h.html">llvm/CodeGen/LiveInterval.h</a>"</span>
+<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="TargetRegisterInfo_8h.html">llvm/Target/TargetRegisterInfo.h</a>"</span>
+<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="Allocator_8h.html">llvm/Support/Allocator.h</a>"</span>
+<a name="l00023"></a>00023 <span class="preprocessor">#include <map></span>
+<a name="l00024"></a>00024
+<a name="l00025"></a>00025 <span class="keyword">namespace </span>llvm {
+<a name="l00026"></a>00026
+<a name="l00027"></a><a class="code" href="classllvm_1_1LiveStacks.html">00027</a> <span class="keyword">class </span><a class="code" href="classllvm_1_1LiveStacks.html">LiveStacks</a> : <span class="keyword">public</span> <a class="code" href="classllvm_1_1MachineFunctionPass.html">MachineFunctionPass</a> {
+<a name="l00028"></a>00028 <span class="keyword">const</span> <a class="code" href="classllvm_1_1TargetRegisterInfo.html">TargetRegisterInfo</a> *TRI;
+<a name="l00029"></a>00029 <span class="comment"></span>
+<a name="l00030"></a>00030 <span class="comment"> /// Special pool allocator for VNInfo's (LiveInterval val#).</span>
+<a name="l00031"></a>00031 <span class="comment"> ///</span>
+<a name="l00032"></a>00032 <span class="comment"></span> <a class="code" href="classllvm_1_1BumpPtrAllocator.html">VNInfo::Allocator</a> VNInfoAllocator;
+<a name="l00033"></a>00033 <span class="comment"></span>
+<a name="l00034"></a>00034 <span class="comment"> /// S2IMap - Stack slot indices to live interval mapping.</span>
+<a name="l00035"></a>00035 <span class="comment"> ///</span>
+<a name="l00036"></a>00036 <span class="comment"></span> <span class="keyword">typedef</span> std::map<int, LiveInterval> SS2IntervalMap;
+<a name="l00037"></a>00037 SS2IntervalMap S2IMap;
+<a name="l00038"></a>00038 <span class="comment"></span>
+<a name="l00039"></a>00039 <span class="comment"> /// S2RCMap - Stack slot indices to register class mapping.</span>
+<a name="l00040"></a>00040 <span class="comment"></span> std::map<int, const TargetRegisterClass*> S2RCMap;
+<a name="l00041"></a>00041
+<a name="l00042"></a>00042 <span class="keyword">public</span>:
+<a name="l00043"></a><a class="code" href="classllvm_1_1LiveStacks.html#af65273491b9ceb20bb9dac2e61a4acf8">00043</a> <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="classllvm_1_1LiveStacks.html#af65273491b9ceb20bb9dac2e61a4acf8">ID</a>; <span class="comment">// Pass identification, replacement for typeid</span>
+<a name="l00044"></a><a class="code" href="classllvm_1_1LiveStacks.html#a7428f9d9864a965c1fba7f202ce51cad">00044</a> <a class="code" href="classllvm_1_1LiveStacks.html#a7428f9d9864a965c1fba7f202ce51cad">LiveStacks</a>() : <a class="code" href="classllvm_1_1MachineFunctionPass.html">MachineFunctionPass</a>(<a class="code" href="classllvm_1_1LiveStacks.html#af65273491b9ceb20bb9dac2e61a4acf8">ID</a>) {
+<a name="l00045"></a>00045 <a class="code" href="namespacellvm.html#a7aeb11cd960ff18ae0b12e678dfcae57">initializeLiveStacksPass</a>(*<a class="code" href="classllvm_1_1PassRegistry.html#a05a729900b76c89e808c6c3094921b2f">PassRegistry::getPassRegistry</a>());
+<a name="l00046"></a>00046 }
+<a name="l00047"></a>00047
+<a name="l00048"></a><a class="code" href="classllvm_1_1LiveStacks.html#a42a122c825a90b3f8bdd0bb3201a52d9">00048</a> <span class="keyword">typedef</span> SS2IntervalMap::iterator <a class="code" href="classllvm_1_1LiveStacks.html#a42a122c825a90b3f8bdd0bb3201a52d9">iterator</a>;
+<a name="l00049"></a><a class="code" href="classllvm_1_1LiveStacks.html#ac29e9bf050907fde9ab791c91dbf307e">00049</a> <span class="keyword">typedef</span> SS2IntervalMap::const_iterator <a class="code" href="classllvm_1_1LiveStacks.html#ac29e9bf050907fde9ab791c91dbf307e">const_iterator</a>;
+<a name="l00050"></a><a class="code" href="classllvm_1_1LiveStacks.html#a6ef737b6c220027ec4edecf55a1e79c7">00050</a> <a class="code" href="classllvm_1_1LiveStacks.html#ac29e9bf050907fde9ab791c91dbf307e">const_iterator</a> <a class="code" href="classllvm_1_1LiveStacks.html#a6ef737b6c220027ec4edecf55a1e79c7">begin</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> S2IMap.begin(); }
+<a name="l00051"></a><a class="code" href="classllvm_1_1LiveStacks.html#a4868971c12f1b09616a9753a43978ca5">00051</a> <a class="code" href="classllvm_1_1LiveStacks.html#ac29e9bf050907fde9ab791c91dbf307e">const_iterator</a> <a class="code" href="classllvm_1_1LiveStacks.html#a4868971c12f1b09616a9753a43978ca5">end</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> S2IMap.end(); }
+<a name="l00052"></a><a class="code" href="classllvm_1_1LiveStacks.html#a0e69fa21c01f7c2571b99b47bedb5ccd">00052</a> <a class="code" href="classllvm_1_1LiveStacks.html#a42a122c825a90b3f8bdd0bb3201a52d9">iterator</a> <a class="code" href="classllvm_1_1LiveStacks.html#a0e69fa21c01f7c2571b99b47bedb5ccd">begin</a>() { <span class="keywordflow">return</span> S2IMap.begin(); }
+<a name="l00053"></a><a class="code" href="classllvm_1_1LiveStacks.html#ad039fdec31aa75e29c260f6b81a414d0">00053</a> <a class="code" href="classllvm_1_1LiveStacks.html#a42a122c825a90b3f8bdd0bb3201a52d9">iterator</a> <a class="code" href="classllvm_1_1LiveStacks.html#ad039fdec31aa75e29c260f6b81a414d0">end</a>() { <span class="keywordflow">return</span> S2IMap.end(); }
+<a name="l00054"></a>00054
+<a name="l00055"></a><a class="code" href="classllvm_1_1LiveStacks.html#a87a54a9a6bb40a99de73287405f67c3c">00055</a> <span class="keywordtype">unsigned</span> <a class="code" href="classllvm_1_1LiveStacks.html#a87a54a9a6bb40a99de73287405f67c3c">getNumIntervals</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span>)S2IMap.size(); }
+<a name="l00056"></a>00056
+<a name="l00057"></a>00057 <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &<a class="code" href="classllvm_1_1LiveStacks.html#a77ec673a7fde73e91e8fa6be83a82b01">getOrCreateInterval</a>(<span class="keywordtype">int</span> Slot, <span class="keyword">const</span> <a class="code" href="classllvm_1_1TargetRegisterClass.html">TargetRegisterClass</a> *RC);
+<a name="l00058"></a>00058
+<a name="l00059"></a><a class="code" href="classllvm_1_1LiveStacks.html#a33b374130efdc910ad7daa9e54eef8f2">00059</a> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &<a class="code" href="classllvm_1_1LiveStacks.html#a33b374130efdc910ad7daa9e54eef8f2">getInterval</a>(<span class="keywordtype">int</span> Slot) {
+<a name="l00060"></a>00060 assert(Slot >= 0 && <span class="stringliteral">"Spill slot indice must be >= 0"</span>);
+<a name="l00061"></a>00061 SS2IntervalMap::iterator <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = S2IMap.find(Slot);
+<a name="l00062"></a>00062 assert(I != S2IMap.end() && <span class="stringliteral">"Interval does not exist for stack slot"</span>);
+<a name="l00063"></a>00063 <span class="keywordflow">return</span> I->second;
+<a name="l00064"></a>00064 }
+<a name="l00065"></a>00065
+<a name="l00066"></a><a class="code" href="classllvm_1_1LiveStacks.html#a1e44cb1b123dbe3e229f0b6cc3ca2e3a">00066</a> <span class="keyword">const</span> <a class="code" href="classllvm_1_1LiveInterval.html">LiveInterval</a> &<a class="code" href="classllvm_1_1LiveStacks.html#a1e44cb1b123dbe3e229f0b6cc3ca2e3a">getInterval</a>(<span class="keywordtype">int</span> Slot)<span class="keyword"> const </span>{
+<a name="l00067"></a>00067 assert(Slot >= 0 && <span class="stringliteral">"Spill slot indice must be >= 0"</span>);
+<a name="l00068"></a>00068 SS2IntervalMap::const_iterator <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = S2IMap.find(Slot);
+<a name="l00069"></a>00069 assert(I != S2IMap.end() && <span class="stringliteral">"Interval does not exist for stack slot"</span>);
+<a name="l00070"></a>00070 <span class="keywordflow">return</span> I->second;
+<a name="l00071"></a>00071 }
+<a name="l00072"></a>00072
+<a name="l00073"></a><a class="code" href="classllvm_1_1LiveStacks.html#a6655937b78b0d74e62953b69f7365fe7">00073</a> <span class="keywordtype">bool</span> <a class="code" href="classllvm_1_1LiveStacks.html#a6655937b78b0d74e62953b69f7365fe7">hasInterval</a>(<span class="keywordtype">int</span> Slot)<span class="keyword"> const </span>{
+<a name="l00074"></a>00074 <span class="keywordflow">return</span> S2IMap.count(Slot);
+<a name="l00075"></a>00075 }
+<a name="l00076"></a>00076
+<a name="l00077"></a><a class="code" href="classllvm_1_1LiveStacks.html#a5714439036657113fcd26cb5b02952fe">00077</a> <span class="keyword">const</span> <a class="code" href="classllvm_1_1TargetRegisterClass.html">TargetRegisterClass</a> *<a class="code" href="classllvm_1_1LiveStacks.html#a5714439036657113fcd26cb5b02952fe">getIntervalRegClass</a>(<span class="keywordtype">int</span> Slot)<span class="keyword"> const </span>{
+<a name="l00078"></a>00078 assert(Slot >= 0 && <span class="stringliteral">"Spill slot indice must be >= 0"</span>);
+<a name="l00079"></a>00079 std::map<int, const TargetRegisterClass*>::const_iterator
+<a name="l00080"></a>00080 <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = S2RCMap.find(Slot);
+<a name="l00081"></a>00081 assert(I != S2RCMap.end() &&
+<a name="l00082"></a>00082 <span class="stringliteral">"Register class info does not exist for stack slot"</span>);
+<a name="l00083"></a>00083 <span class="keywordflow">return</span> I->second;
+<a name="l00084"></a>00084 }
+<a name="l00085"></a>00085
+<a name="l00086"></a><a class="code" href="classllvm_1_1LiveStacks.html#a776c2d304a03130488c07e56f496c0b0">00086</a> <a class="code" href="classllvm_1_1BumpPtrAllocator.html">VNInfo::Allocator</a>& <a class="code" href="classllvm_1_1LiveStacks.html#a776c2d304a03130488c07e56f496c0b0">getVNInfoAllocator</a>() { <span class="keywordflow">return</span> VNInfoAllocator; }
+<a name="l00087"></a>00087
+<a name="l00088"></a>00088 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveStacks.html#a1a314ea34a733db129d11308dad6fe29">getAnalysisUsage</a>(<a class="code" href="classllvm_1_1AnalysisUsage.html">AnalysisUsage</a> &AU) <span class="keyword">const</span>;
+<a name="l00089"></a>00089 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveStacks.html#afa35a4ac060fbfd13a7e839b3c08732a">releaseMemory</a>();
+<a name="l00090"></a>00090 <span class="comment"></span>
+<a name="l00091"></a>00091 <span class="comment"> /// runOnMachineFunction - pass entry point</span>
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+<a name="l00093"></a>00093 <span class="comment"></span>
+<a name="l00094"></a>00094 <span class="comment"> /// print - Implement the dump method.</span>
+<a name="l00095"></a>00095 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1LiveStacks.html#af27c315ed1a116d49f82c99eb5b7cd55" title="print - Implement the dump method.">print</a>(<a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O, <span class="keyword">const</span> <a class="code" href="classllvm_1_1Module.html" title="The main container class for the LLVM Intermediate Representation.">Module</a>* = 0) <span class="keyword">const</span>;
+<a name="l00096"></a>00096 };
+<a name="l00097"></a>00097 }
+<a name="l00098"></a>00098
+<a name="l00099"></a>00099 <span class="preprocessor">#endif </span><span class="comment">/* LLVM_CODEGEN_LIVESTACK_ANALYSIS_H */</span>
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:11 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
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+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: LiveVariables.cpp File Reference</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
+<p class="title">LLVM API Documentation</p>
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+ </div>
+ <div id="navrow2" class="tabs2">
+ <ul class="tablist">
+ <li><a href="files.html"><span>File List</span></a></li>
+ <li><a href="globals.html"><span>File Members</span></a></li>
+ </ul>
+ </div>
+ <div id="nav-path" class="navpath">
+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_74e9364f374e99e3aeab4fae4e196292.html">lib</a> </li>
+ <li class="navelem"><a class="el" href="dir_f2244d21cf8bec63d11bfc1ad661d96f.html">CodeGen</a> </li>
+ </ul>
+ </div>
+</div>
+<div class="header">
+ <div class="summary">
+<a href="#func-members">Functions</a> |
+<a href="#var-members">Variables</a> </div>
+ <div class="headertitle">
+<div class="title">LiveVariables.cpp File Reference</div> </div>
+</div>
+<div class="contents">
+<div class="textblock"><code>#include "<a class="el" href="LiveVariables_8h_source.html">llvm/CodeGen/LiveVariables.h</a>"</code><br/>
+<code>#include "<a class="el" href="MachineInstr_8h_source.html">llvm/CodeGen/MachineInstr.h</a>"</code><br/>
+<code>#include "<a class="el" href="MachineRegisterInfo_8h_source.html">llvm/CodeGen/MachineRegisterInfo.h</a>"</code><br/>
+<code>#include "<a class="el" href="CodeGen_2Passes_8h_source.html">llvm/CodeGen/Passes.h</a>"</code><br/>
+<code>#include "<a class="el" href="Debug_8h_source.html">llvm/Support/Debug.h</a>"</code><br/>
+<code>#include "<a class="el" href="TargetInstrInfo_8h_source.html">llvm/Target/TargetInstrInfo.h</a>"</code><br/>
+<code>#include "<a class="el" href="Target_2TargetMachine_8h_source.html">llvm/Target/TargetMachine.h</a>"</code><br/>
+<code>#include "<a class="el" href="ErrorHandling_8h_source.html">llvm/Support/ErrorHandling.h</a>"</code><br/>
+<code>#include "<a class="el" href="DepthFirstIterator_8h_source.html">llvm/ADT/DepthFirstIterator.h</a>"</code><br/>
+<code>#include "<a class="el" href="SmallPtrSet_8h_source.html">llvm/ADT/SmallPtrSet.h</a>"</code><br/>
+<code>#include "<a class="el" href="SmallSet_8h_source.html">llvm/ADT/SmallSet.h</a>"</code><br/>
+<code>#include "<a class="el" href="STLExtras_8h_source.html">llvm/ADT/STLExtras.h</a>"</code><br/>
+<code>#include <algorithm></code><br/>
+</div><div class="textblock"><div class="dynheader">
+Include dependency graph for LiveVariables.cpp:</div>
+<div class="dyncontent">
+<div class="center"><img src="LiveVariables_8cpp__incl.png" border="0" usemap="#LiveVariables_8cpp" alt=""/></div>
+<!-- MAP 0 -->
+</div>
+</div>
+<p><a href="LiveVariables_8cpp_source.html">Go to the source code of this file.</a></p>
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+Functions</h2></td></tr>
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+<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="LiveVariables_8cpp.html#a5bcde61f356a5d1dd5eed019a43749b6">livevars</a></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">Live Variable </td><td class="memItemRight" valign="bottom"><a class="el" href="LiveVariables_8cpp.html#a1c1026418988cb4fbcd5df72bb6a50b5">Analysis</a></td></tr>
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+</table>
+<hr/><h2>Function Documentation</h2>
+<a class="anchor" id="a1d311f531910aa3c3638cc12b49a3068"></a><!-- doxytag: member="LiveVariables.cpp::INITIALIZE_PASS_BEGIN" ref="a1d311f531910aa3c3638cc12b49a3068" args="(LiveVariables,"livevars","Live Variable Analysis", false, false) INITIALIZE_PASS_END(LiveVariables" -->
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+ <td class="memname">INITIALIZE_PASS_BEGIN </td>
+ <td>(</td>
+ <td class="paramtype"><a class="el" href="classllvm_1_1LiveVariables.html">LiveVariables</a> </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">"livevars" </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">"Live Variable Analysis" </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype"><a class="el" href="SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85">false</a> </td>
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+ <td class="paramkey"></td>
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+ <td class="paramtype"><a class="el" href="SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85">false</a> </td>
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+ <td></td><td></td>
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+</div>
+<div class="memdoc">
+
+</div>
+</div>
+<hr/><h2>Variable Documentation</h2>
+<a class="anchor" id="a1c1026418988cb4fbcd5df72bb6a50b5"></a><!-- doxytag: member="LiveVariables.cpp::Analysis" ref="a1c1026418988cb4fbcd5df72bb6a50b5" args="" -->
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+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LiveVariables_8cpp_source.html#l00049">49</a> of file <a class="el" href="LiveVariables_8cpp_source.html">LiveVariables.cpp</a>.</p>
+
+</div>
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+<a class="anchor" id="a111028ee6e53149a3833407cd624160b"></a><!-- doxytag: member="LiveVariables.cpp::false" ref="a111028ee6e53149a3833407cd624160b" args="" -->
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+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LiveVariables_8cpp_source.html#l00049">49</a> of file <a class="el" href="LiveVariables_8cpp_source.html">LiveVariables.cpp</a>.</p>
+
+</div>
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+<p class="footer">
+Generated on Fri Dec 21 2012 00:39:31 for <a href="http://llvm.org/">LLVM</a> by
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+All Rights Reserved.</p>
+
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URL: http://llvm.org/viewvc/llvm-project/www-releases/trunk/3.2/docs/doxygen/html/Local_8h_source.html?rev=170845&view=auto
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--- www-releases/trunk/3.2/docs/doxygen/html/Local_8h_source.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/Local_8h_source.html Fri Dec 21 00:57:24 2012
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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+<meta name="keywords" content="LLVM,Low Level Virtual Machine,C++,doxygen,API,documentation"/>
+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: Local.h Source File</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
+<p class="title">LLVM API Documentation</p>
+<!-- Generated by Doxygen 1.7.5.1 -->
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+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_25acc6571c4e3a053ee4203146b47a61.html">include</a> </li>
+ <li class="navelem"><a class="el" href="dir_fd2d7b5ce83b1c1657cd6600d8cb39fa.html">llvm</a> </li>
+ <li class="navelem"><a class="el" href="dir_5c61f109262ee79315cb0ac1a5e1be6f.html">Transforms</a> </li>
+ <li class="navelem"><a class="el" href="dir_281a58b14cc8f76e4a094a720e66e337.html">Utils</a> </li>
+ </ul>
+ </div>
+</div>
+<div class="header">
+ <div class="headertitle">
+<div class="title">Local.h</div> </div>
+</div>
+<div class="contents">
+<a href="Local_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===-- Local.h - Functions to perform local transformations ----*- C++ -*-===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// This family of functions perform various local transformations to the</span>
+<a name="l00011"></a>00011 <span class="comment">// program.</span>
+<a name="l00012"></a>00012 <span class="comment">//</span>
+<a name="l00013"></a>00013 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00014"></a>00014
+<a name="l00015"></a>00015 <span class="preprocessor">#ifndef LLVM_TRANSFORMS_UTILS_LOCAL_H</span>
+<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#define LLVM_TRANSFORMS_UTILS_LOCAL_H</span>
+<a name="l00017"></a>00017 <span class="preprocessor"></span>
+<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="IRBuilder_8h.html">llvm/IRBuilder.h</a>"</span>
+<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="Operator_8h.html">llvm/Operator.h</a>"</span>
+<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="GetElementPtrTypeIterator_8h.html">llvm/Support/GetElementPtrTypeIterator.h</a>"</span>
+<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="DataLayout_8h.html">llvm/DataLayout.h</a>"</span>
+<a name="l00022"></a>00022
+<a name="l00023"></a>00023 <span class="keyword">namespace </span>llvm {
+<a name="l00024"></a>00024
+<a name="l00025"></a>00025 <span class="keyword">class </span>User;
+<a name="l00026"></a>00026 <span class="keyword">class </span><a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a8472e46f9e4db168c5610ecdfb05dbaf" title="Various leaf nodes.">BasicBlock</a>;
+<a name="l00027"></a>00027 <span class="keyword">class </span>Function;
+<a name="l00028"></a>00028 <span class="keyword">class </span>BranchInst;
+<a name="l00029"></a>00029 <span class="keyword">class </span>Instruction;
+<a name="l00030"></a>00030 <span class="keyword">class </span>DbgDeclareInst;
+<a name="l00031"></a>00031 <span class="keyword">class </span>StoreInst;
+<a name="l00032"></a>00032 <span class="keyword">class </span>LoadInst;
+<a name="l00033"></a>00033 <span class="keyword">class </span>Value;
+<a name="l00034"></a>00034 <span class="keyword">class </span>Pass;
+<a name="l00035"></a>00035 <span class="keyword">class </span>PHINode;
+<a name="l00036"></a>00036 <span class="keyword">class </span>AllocaInst;
+<a name="l00037"></a>00037 <span class="keyword">class </span>ConstantExpr;
+<a name="l00038"></a>00038 <span class="keyword">class </span>DataLayout;
+<a name="l00039"></a>00039 <span class="keyword">class </span>TargetLibraryInfo;
+<a name="l00040"></a>00040 <span class="keyword">class </span>TargetTransformInfo;
+<a name="l00041"></a>00041 <span class="keyword">class </span>DIBuilder;
+<a name="l00042"></a>00042
+<a name="l00043"></a>00043 <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">class </span>SmallVectorImpl;
+<a name="l00044"></a>00044
+<a name="l00045"></a>00045 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00046"></a>00046 <span class="comment">// Local constant propagation.</span>
+<a name="l00047"></a>00047 <span class="comment">//</span>
+<a name="l00048"></a>00048 <span class="comment"></span>
+<a name="l00049"></a>00049 <span class="comment">/// ConstantFoldTerminator - If a terminator instruction is predicated on a</span>
+<a name="l00050"></a>00050 <span class="comment">/// constant value, convert it into an unconditional branch to the constant</span>
+<a name="l00051"></a>00051 <span class="comment">/// destination. This is a nontrivial operation because the successors of this</span>
+<a name="l00052"></a>00052 <span class="comment">/// basic block must have their PHI nodes updated.</span>
+<a name="l00053"></a>00053 <span class="comment">/// Also calls RecursivelyDeleteTriviallyDeadInstructions() on any branch/switch</span>
+<a name="l00054"></a>00054 <span class="comment">/// conditions and indirectbr addresses this might make dead if</span>
+<a name="l00055"></a>00055 <span class="comment">/// DeleteDeadConditions is true.</span>
+<a name="l00056"></a>00056 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#a78ab69092404fc83d77ccb06b3f7138d">ConstantFoldTerminator</a>(<a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a8472e46f9e4db168c5610ecdfb05dbaf" title="Various leaf nodes.">BasicBlock</a> *BB, <span class="keywordtype">bool</span> DeleteDeadConditions = <span class="keyword">false</span>,
+<a name="l00057"></a>00057 <span class="keyword">const</span> TargetLibraryInfo *TLI = 0);
+<a name="l00058"></a>00058
+<a name="l00059"></a>00059 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00060"></a>00060 <span class="comment">// Local dead code elimination.</span>
+<a name="l00061"></a>00061 <span class="comment">//</span>
+<a name="l00062"></a>00062 <span class="comment"></span>
+<a name="l00063"></a>00063 <span class="comment">/// isInstructionTriviallyDead - Return true if the result produced by the</span>
+<a name="l00064"></a>00064 <span class="comment">/// instruction is not used, and the instruction has no side effects.</span>
+<a name="l00065"></a>00065 <span class="comment">///</span>
+<a name="l00066"></a>00066 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#abe283966f269761ee387642061c4451e">isInstructionTriviallyDead</a>(Instruction *<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>, <span class="keyword">const</span> TargetLibraryInfo *TLI=0);
+<a name="l00067"></a>00067 <span class="comment"></span>
+<a name="l00068"></a>00068 <span class="comment">/// RecursivelyDeleteTriviallyDeadInstructions - If the specified value is a</span>
+<a name="l00069"></a>00069 <span class="comment">/// trivially dead instruction, delete it. If that makes any of its operands</span>
+<a name="l00070"></a>00070 <span class="comment">/// trivially dead, delete them too, recursively. Return true if any</span>
+<a name="l00071"></a>00071 <span class="comment">/// instructions were deleted.</span>
+<a name="l00072"></a>00072 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#a23b3753cc662a87b599913814ccf2444">RecursivelyDeleteTriviallyDeadInstructions</a>(Value *V,
+<a name="l00073"></a>00073 <span class="keyword">const</span> TargetLibraryInfo *TLI=0);
+<a name="l00074"></a>00074 <span class="comment"></span>
+<a name="l00075"></a>00075 <span class="comment">/// RecursivelyDeleteDeadPHINode - If the specified value is an effectively</span>
+<a name="l00076"></a>00076 <span class="comment">/// dead PHI node, due to being a def-use chain of single-use nodes that</span>
+<a name="l00077"></a>00077 <span class="comment">/// either forms a cycle or is terminated by a trivially dead instruction,</span>
+<a name="l00078"></a>00078 <span class="comment">/// delete it. If that makes any of its operands trivially dead, delete them</span>
+<a name="l00079"></a>00079 <span class="comment">/// too, recursively. Return true if a change was made.</span>
+<a name="l00080"></a>00080 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#a99dd30fd2667233bb86f5aeda794deea">RecursivelyDeleteDeadPHINode</a>(PHINode *PN, <span class="keyword">const</span> TargetLibraryInfo *TLI=0);
+<a name="l00081"></a>00081
+<a name="l00082"></a>00082 <span class="comment"></span>
+<a name="l00083"></a>00083 <span class="comment">/// SimplifyInstructionsInBlock - Scan the specified basic block and try to</span>
+<a name="l00084"></a>00084 <span class="comment">/// simplify any instructions in it and recursively delete dead instructions.</span>
+<a name="l00085"></a>00085 <span class="comment">///</span>
+<a name="l00086"></a>00086 <span class="comment">/// This returns true if it changed the code, note that it can delete</span>
+<a name="l00087"></a>00087 <span class="comment">/// instructions in other blocks as well in this block.</span>
+<a name="l00088"></a>00088 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#ad5b5ed1a0de8792e2ebf2eba3ba712fd">SimplifyInstructionsInBlock</a>(<a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a8472e46f9e4db168c5610ecdfb05dbaf" title="Various leaf nodes.">BasicBlock</a> *BB, <span class="keyword">const</span> DataLayout *TD = 0,
+<a name="l00089"></a>00089 <span class="keyword">const</span> TargetLibraryInfo *TLI = 0);
+<a name="l00090"></a>00090
+<a name="l00091"></a>00091 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00092"></a>00092 <span class="comment">// Control Flow Graph Restructuring.</span>
+<a name="l00093"></a>00093 <span class="comment">//</span>
+<a name="l00094"></a>00094 <span class="comment"></span>
+<a name="l00095"></a>00095 <span class="comment">/// RemovePredecessorAndSimplify - Like BasicBlock::removePredecessor, this</span>
+<a name="l00096"></a>00096 <span class="comment">/// method is called when we're about to delete Pred as a predecessor of BB. If</span>
+<a name="l00097"></a>00097 <span class="comment">/// BB contains any PHI nodes, this drops the entries in the PHI nodes for Pred.</span>
+<a name="l00098"></a>00098 <span class="comment">///</span>
+<a name="l00099"></a>00099 <span class="comment">/// Unlike the removePredecessor method, this attempts to simplify uses of PHI</span>
+<a name="l00100"></a>00100 <span class="comment">/// nodes that collapse into identity values. For example, if we have:</span>
+<a name="l00101"></a>00101 <span class="comment">/// x = phi(1, 0, 0, 0)</span>
+<a name="l00102"></a>00102 <span class="comment">/// y = and x, z</span>
+<a name="l00103"></a>00103 <span class="comment">///</span>
+<a name="l00104"></a>00104 <span class="comment">/// .. and delete the predecessor corresponding to the '1', this will attempt to</span>
+<a name="l00105"></a>00105 <span class="comment">/// recursively fold the 'and' to 0.</span>
+<a name="l00106"></a>00106 <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="namespacellvm.html#ae51038023f0a6cbfc42085cfa71f9754">RemovePredecessorAndSimplify</a>(<a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a8472e46f9e4db168c5610ecdfb05dbaf" title="Various leaf nodes.">BasicBlock</a> *BB, <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a8472e46f9e4db168c5610ecdfb05dbaf" title="Various leaf nodes.">BasicBlock</a> *Pred,
+<a name="l00107"></a>00107 DataLayout *TD = 0);
+<a name="l00108"></a>00108
+<a name="l00109"></a>00109 <span class="comment"></span>
+<a name="l00110"></a>00110 <span class="comment">/// MergeBasicBlockIntoOnlyPred - BB is a block with one predecessor and its</span>
+<a name="l00111"></a>00111 <span class="comment">/// predecessor is known to have one successor (BB!). Eliminate the edge</span>
+<a name="l00112"></a>00112 <span class="comment">/// between them, moving the instructions in the predecessor into BB. This</span>
+<a name="l00113"></a>00113 <span class="comment">/// deletes the predecessor block.</span>
+<a name="l00114"></a>00114 <span class="comment">///</span>
+<a name="l00115"></a>00115 <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="namespacellvm.html#a02b5336d71826082af53837f2ffe6128">MergeBasicBlockIntoOnlyPred</a>(<a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a8472e46f9e4db168c5610ecdfb05dbaf" title="Various leaf nodes.">BasicBlock</a> *BB, Pass *P = 0);
+<a name="l00116"></a>00116
+<a name="l00117"></a>00117 <span class="comment"></span>
+<a name="l00118"></a>00118 <span class="comment">/// TryToSimplifyUncondBranchFromEmptyBlock - BB is known to contain an</span>
+<a name="l00119"></a>00119 <span class="comment">/// unconditional branch, and contains no instructions other than PHI nodes,</span>
+<a name="l00120"></a>00120 <span class="comment">/// potential debug intrinsics and the branch. If possible, eliminate BB by</span>
+<a name="l00121"></a>00121 <span class="comment">/// rewriting all the predecessors to branch to the successor block and return</span>
+<a name="l00122"></a>00122 <span class="comment">/// true. If we can't transform, return false.</span>
+<a name="l00123"></a>00123 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#a599000eece6fb1addb05b6b2c36be28c">TryToSimplifyUncondBranchFromEmptyBlock</a>(<a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a8472e46f9e4db168c5610ecdfb05dbaf" title="Various leaf nodes.">BasicBlock</a> *BB);
+<a name="l00124"></a>00124 <span class="comment"></span>
+<a name="l00125"></a>00125 <span class="comment">/// EliminateDuplicatePHINodes - Check for and eliminate duplicate PHI</span>
+<a name="l00126"></a>00126 <span class="comment">/// nodes in this block. This doesn't try to be clever about PHI nodes</span>
+<a name="l00127"></a>00127 <span class="comment">/// which differ only in the order of the incoming values, but instcombine</span>
+<a name="l00128"></a>00128 <span class="comment">/// orders them so it usually won't matter.</span>
+<a name="l00129"></a>00129 <span class="comment">///</span>
+<a name="l00130"></a>00130 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#aed498f056a09006219c59ee9fab0450f">EliminateDuplicatePHINodes</a>(<a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a8472e46f9e4db168c5610ecdfb05dbaf" title="Various leaf nodes.">BasicBlock</a> *BB);
+<a name="l00131"></a>00131 <span class="comment"></span>
+<a name="l00132"></a>00132 <span class="comment">/// SimplifyCFG - This function is used to do simplification of a CFG. For</span>
+<a name="l00133"></a>00133 <span class="comment">/// example, it adjusts branches to branches to eliminate the extra hop, it</span>
+<a name="l00134"></a>00134 <span class="comment">/// eliminates unreachable basic blocks, and does other "peephole" optimization</span>
+<a name="l00135"></a>00135 <span class="comment">/// of the CFG. It returns true if a modification was made, possibly deleting</span>
+<a name="l00136"></a>00136 <span class="comment">/// the basic block that was pointed to.</span>
+<a name="l00137"></a>00137 <span class="comment">///</span>
+<a name="l00138"></a>00138 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#ac26bdfa13d91caad2c676c35398abb1c">SimplifyCFG</a>(<a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a8472e46f9e4db168c5610ecdfb05dbaf" title="Various leaf nodes.">BasicBlock</a> *BB, <span class="keyword">const</span> DataLayout *TD = 0,
+<a name="l00139"></a>00139 <span class="keyword">const</span> TargetTransformInfo *TTI = 0);
+<a name="l00140"></a>00140 <span class="comment"></span>
+<a name="l00141"></a>00141 <span class="comment">/// FoldBranchToCommonDest - If this basic block is ONLY a setcc and a branch,</span>
+<a name="l00142"></a>00142 <span class="comment">/// and if a predecessor branches to us and one of our successors, fold the</span>
+<a name="l00143"></a>00143 <span class="comment">/// setcc into the predecessor and use logical operations to pick the right</span>
+<a name="l00144"></a>00144 <span class="comment">/// destination.</span>
+<a name="l00145"></a>00145 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#ab75560d250028c3c4e54556421109b9d">FoldBranchToCommonDest</a>(BranchInst *BI);
+<a name="l00146"></a>00146 <span class="comment"></span>
+<a name="l00147"></a>00147 <span class="comment">/// DemoteRegToStack - This function takes a virtual register computed by an</span>
+<a name="l00148"></a>00148 <span class="comment">/// Instruction and replaces it with a slot in the stack frame, allocated via</span>
+<a name="l00149"></a>00149 <span class="comment">/// alloca. This allows the CFG to be changed around without fear of</span>
+<a name="l00150"></a>00150 <span class="comment">/// invalidating the SSA information for the value. It returns the pointer to</span>
+<a name="l00151"></a>00151 <span class="comment">/// the alloca inserted to create a stack slot for X.</span>
+<a name="l00152"></a>00152 <span class="comment">///</span>
+<a name="l00153"></a>00153 <span class="comment"></span>AllocaInst *<a class="code" href="namespacellvm.html#ab70de4869abc35aca0ed6d28408285df">DemoteRegToStack</a>(Instruction &<a class="code" href="namespacellvm.html#a6569d00d31a5d74e563e2f39f82271ab">X</a>,
+<a name="l00154"></a>00154 <span class="keywordtype">bool</span> VolatileLoads = <span class="keyword">false</span>,
+<a name="l00155"></a>00155 Instruction *AllocaPoint = 0);
+<a name="l00156"></a>00156 <span class="comment"></span>
+<a name="l00157"></a>00157 <span class="comment">/// DemotePHIToStack - This function takes a virtual register computed by a phi</span>
+<a name="l00158"></a>00158 <span class="comment">/// node and replaces it with a slot in the stack frame, allocated via alloca.</span>
+<a name="l00159"></a>00159 <span class="comment">/// The phi node is deleted and it returns the pointer to the alloca inserted. </span>
+<a name="l00160"></a>00160 <span class="comment"></span>AllocaInst *<a class="code" href="namespacellvm.html#ac9fde0e3f7fcfc1cf6a4c7b8decacac5">DemotePHIToStack</a>(PHINode *P, Instruction *AllocaPoint = 0);
+<a name="l00161"></a>00161 <span class="comment"></span>
+<a name="l00162"></a>00162 <span class="comment">/// getOrEnforceKnownAlignment - If the specified pointer has an alignment that</span>
+<a name="l00163"></a>00163 <span class="comment">/// we can determine, return it, otherwise return 0. If PrefAlign is specified,</span>
+<a name="l00164"></a>00164 <span class="comment">/// and it is more than the alignment of the ultimate object, see if we can</span>
+<a name="l00165"></a>00165 <span class="comment">/// increase the alignment of the ultimate object, making this check succeed.</span>
+<a name="l00166"></a>00166 <span class="comment"></span><span class="keywordtype">unsigned</span> <a class="code" href="namespacellvm.html#a3dd948f1535b4b28f2a7d45a5c11a34a">getOrEnforceKnownAlignment</a>(Value *V, <span class="keywordtype">unsigned</span> PrefAlign,
+<a name="l00167"></a>00167 <span class="keyword">const</span> DataLayout *TD = 0);
+<a name="l00168"></a>00168 <span class="comment"></span>
+<a name="l00169"></a>00169 <span class="comment">/// getKnownAlignment - Try to infer an alignment for the specified pointer.</span>
+<a name="l00170"></a><a class="code" href="namespacellvm.html#a43b09383874e62945e0050480bf3d641">00170</a> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <a class="code" href="namespacellvm.html#a43b09383874e62945e0050480bf3d641" title="getKnownAlignment - Try to infer an alignment for the specified pointer.">getKnownAlignment</a>(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *V, <span class="keyword">const</span> <a class="code" href="classllvm_1_1DataLayout.html">DataLayout</a> *TD = 0) {
+<a name="l00171"></a>00171 <span class="keywordflow">return</span> <a class="code" href="namespacellvm.html#a3dd948f1535b4b28f2a7d45a5c11a34a">getOrEnforceKnownAlignment</a>(V, 0, TD);
+<a name="l00172"></a>00172 }
+<a name="l00173"></a>00173 <span class="comment"></span>
+<a name="l00174"></a>00174 <span class="comment">/// EmitGEPOffset - Given a getelementptr instruction/constantexpr, emit the</span>
+<a name="l00175"></a>00175 <span class="comment">/// code necessary to compute the offset from the base pointer (without adding</span>
+<a name="l00176"></a>00176 <span class="comment">/// in the base pointer). Return the result as a signed integer of intptr size.</span>
+<a name="l00177"></a>00177 <span class="comment">/// When NoAssumptions is true, no assumptions about index computation not</span>
+<a name="l00178"></a>00178 <span class="comment">/// overflowing is made.</span>
+<a name="l00179"></a>00179 <span class="comment"></span><span class="keyword">template</span><<span class="keyword">typename</span> IRBuilderTy>
+<a name="l00180"></a><a class="code" href="namespacellvm.html#a87a909169e4e5de59bb72705c1d7d026">00180</a> <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *<a class="code" href="namespacellvm.html#a87a909169e4e5de59bb72705c1d7d026">EmitGEPOffset</a>(IRBuilderTy *Builder, <span class="keyword">const</span> <a class="code" href="classllvm_1_1DataLayout.html">DataLayout</a> &TD, <a class="code" href="classllvm_1_1User.html">User</a> *GEP,
+<a name="l00181"></a>00181 <span class="keywordtype">bool</span> NoAssumptions = <span class="keyword">false</span>) {
+<a name="l00182"></a>00182 <a class="code" href="classllvm_1_1generic__gep__type__iterator.html">gep_type_iterator</a> GTI = <a class="code" href="namespacellvm.html#ac828b9b52935f87659a4adf237f820a3">gep_type_begin</a>(GEP);
+<a name="l00183"></a>00183 <a class="code" href="classllvm_1_1Type.html">Type</a> *IntPtrTy = TD.<a class="code" href="classllvm_1_1DataLayout.html#ae84bb2408dfffa4e8b5fe2ce0714a3bd">getIntPtrType</a>(GEP-><a class="code" href="classllvm_1_1Value.html#af85a4828b6b5a8de7fc0a55cc0e5b52f" title="All values hold a context through their type.">getContext</a>());
+<a name="l00184"></a>00184 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Result = <a class="code" href="classllvm_1_1Constant.html#aa6574d526b3e38a28f688a7bb4325c2c">Constant::getNullValue</a>(IntPtrTy);
+<a name="l00185"></a>00185
+<a name="l00186"></a>00186 <span class="comment">// If the GEP is inbounds, we know that none of the addressing operations will</span>
+<a name="l00187"></a>00187 <span class="comment">// overflow in an unsigned sense.</span>
+<a name="l00188"></a>00188 <span class="keywordtype">bool</span> isInBounds = cast<GEPOperator>(GEP)->isInBounds() && !NoAssumptions;
+<a name="l00189"></a>00189
+<a name="l00190"></a>00190 <span class="comment">// Build a mask for high order bits.</span>
+<a name="l00191"></a>00191 <span class="keywordtype">unsigned</span> IntPtrWidth = TD.<a class="code" href="classllvm_1_1DataLayout.html#a9cb015699ac01dfa6ebb3cc4ce5a6a93">getPointerSizeInBits</a>();
+<a name="l00192"></a>00192 uint64_t PtrSizeMask = ~0ULL >> (64-IntPtrWidth);
+<a name="l00193"></a>00193
+<a name="l00194"></a>00194 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1Use.html">User::op_iterator</a> i = GEP-><a class="code" href="classllvm_1_1User.html#a2eeb1c7ed1cfe403f2ae0470e36c07e2">op_begin</a>() + 1, e = GEP-><a class="code" href="classllvm_1_1User.html#af41f58e730804d10b91fcff39b035f74">op_end</a>(); i != e;
+<a name="l00195"></a>00195 ++i, ++GTI) {
+<a name="l00196"></a>00196 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Op = *i;
+<a name="l00197"></a>00197 uint64_t Size = TD.<a class="code" href="classllvm_1_1DataLayout.html#a1d6fcc02e91ba24510aba42660c90e29">getTypeAllocSize</a>(GTI.<a class="code" href="classllvm_1_1generic__gep__type__iterator.html#aa9576aea404b156a949122affc839777">getIndexedType</a>()) & PtrSizeMask;
+<a name="l00198"></a>00198 <span class="keywordflow">if</span> (<a class="code" href="classllvm_1_1ConstantInt.html" title="Class for constant integers.">ConstantInt</a> *OpC = dyn_cast<ConstantInt>(Op)) {
+<a name="l00199"></a>00199 <span class="keywordflow">if</span> (OpC->isZero()) <span class="keywordflow">continue</span>;
+<a name="l00200"></a>00200
+<a name="l00201"></a>00201 <span class="comment">// Handle a struct index, which adds its field offset to the pointer.</span>
+<a name="l00202"></a>00202 <span class="keywordflow">if</span> (<a class="code" href="classllvm_1_1StructType.html">StructType</a> *STy = dyn_cast<StructType>(*GTI)) {
+<a name="l00203"></a>00203 Size = TD.<a class="code" href="classllvm_1_1DataLayout.html#a35c840104f32575e0d91422cf1ef3ce4">getStructLayout</a>(STy)-><a class="code" href="classllvm_1_1StructLayout.html#ae10c4483372a357a0d3411b3d64be10c">getElementOffset</a>(OpC->getZExtValue());
+<a name="l00204"></a>00204
+<a name="l00205"></a>00205 <span class="keywordflow">if</span> (Size)
+<a name="l00206"></a>00206 Result = Builder->CreateAdd(Result, <a class="code" href="classllvm_1_1ConstantInt.html#a9105541412dab869e18b3cceebfff07d">ConstantInt::get</a>(IntPtrTy, Size),
+<a name="l00207"></a>00207 GEP-><a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>()+<span class="stringliteral">".offs"</span>);
+<a name="l00208"></a>00208 <span class="keywordflow">continue</span>;
+<a name="l00209"></a>00209 }
+<a name="l00210"></a>00210
+<a name="l00211"></a>00211 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *Scale = <a class="code" href="classllvm_1_1ConstantInt.html#a9105541412dab869e18b3cceebfff07d">ConstantInt::get</a>(IntPtrTy, Size);
+<a name="l00212"></a>00212 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *OC = <a class="code" href="classllvm_1_1ConstantExpr.html#a81ad2fffd14e2df92cad4f631ae76480" title="Create a ZExt, Bitcast or Trunc for integer -> integer casts.">ConstantExpr::getIntegerCast</a>(OpC, IntPtrTy, <span class="keyword">true</span> <span class="comment">/*SExt*/</span>);
+<a name="l00213"></a>00213 Scale = <a class="code" href="classllvm_1_1ConstantExpr.html#aa3e1005525fe79e631f1fe5bd91fdf3c">ConstantExpr::getMul</a>(OC, Scale, isInBounds<span class="comment">/*NUW*/</span>);
+<a name="l00214"></a>00214 <span class="comment">// Emit an add instruction.</span>
+<a name="l00215"></a>00215 Result = Builder->CreateAdd(Result, Scale, GEP-><a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>()+<span class="stringliteral">".offs"</span>);
+<a name="l00216"></a>00216 <span class="keywordflow">continue</span>;
+<a name="l00217"></a>00217 }
+<a name="l00218"></a>00218 <span class="comment">// Convert to correct type.</span>
+<a name="l00219"></a>00219 <span class="keywordflow">if</span> (Op-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>() != IntPtrTy)
+<a name="l00220"></a>00220 Op = Builder->CreateIntCast(Op, IntPtrTy, <span class="keyword">true</span>, Op-><a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>()+<span class="stringliteral">".c"</span>);
+<a name="l00221"></a>00221 <span class="keywordflow">if</span> (Size != 1) {
+<a name="l00222"></a>00222 <span class="comment">// We'll let instcombine(mul) convert this to a shl if possible.</span>
+<a name="l00223"></a>00223 Op = Builder->CreateMul(Op, <a class="code" href="classllvm_1_1ConstantInt.html#a9105541412dab869e18b3cceebfff07d">ConstantInt::get</a>(IntPtrTy, Size),
+<a name="l00224"></a>00224 GEP-><a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>()+<span class="stringliteral">".idx"</span>, isInBounds <span class="comment">/*NUW*/</span>);
+<a name="l00225"></a>00225 }
+<a name="l00226"></a>00226
+<a name="l00227"></a>00227 <span class="comment">// Emit an add instruction.</span>
+<a name="l00228"></a>00228 Result = Builder->CreateAdd(Op, Result, GEP-><a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>()+<span class="stringliteral">".offs"</span>);
+<a name="l00229"></a>00229 }
+<a name="l00230"></a>00230 <span class="keywordflow">return</span> Result;
+<a name="l00231"></a>00231 }
+<a name="l00232"></a>00232 <span class="comment"></span>
+<a name="l00233"></a>00233 <span class="comment">///===---------------------------------------------------------------------===//</span>
+<a name="l00234"></a>00234 <span class="comment">/// Dbg Intrinsic utilities</span>
+<a name="l00235"></a>00235 <span class="comment">///</span>
+<a name="l00236"></a>00236 <span class="comment"></span><span class="comment"></span>
+<a name="l00237"></a>00237 <span class="comment">/// Inserts a llvm.dbg.value instrinsic before the stores to an alloca'd value</span>
+<a name="l00238"></a>00238 <span class="comment">/// that has an associated llvm.dbg.decl intrinsic.</span>
+<a name="l00239"></a>00239 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#ab3d313ef442aae5b5bebf03c923506d0">ConvertDebugDeclareToDebugValue</a>(DbgDeclareInst *DDI,
+<a name="l00240"></a>00240 StoreInst *SI, DIBuilder &Builder);
+<a name="l00241"></a>00241 <span class="comment"></span>
+<a name="l00242"></a>00242 <span class="comment">/// Inserts a llvm.dbg.value instrinsic before the stores to an alloca'd value</span>
+<a name="l00243"></a>00243 <span class="comment">/// that has an associated llvm.dbg.decl intrinsic.</span>
+<a name="l00244"></a>00244 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#ab3d313ef442aae5b5bebf03c923506d0">ConvertDebugDeclareToDebugValue</a>(DbgDeclareInst *DDI,
+<a name="l00245"></a>00245 LoadInst *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>, DIBuilder &Builder);
+<a name="l00246"></a>00246 <span class="comment"></span>
+<a name="l00247"></a>00247 <span class="comment">/// LowerDbgDeclare - Lowers llvm.dbg.declare intrinsics into appropriate set</span>
+<a name="l00248"></a>00248 <span class="comment">/// of llvm.dbg.value intrinsics.</span>
+<a name="l00249"></a>00249 <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#a7994fd7ca0d8f8fcf2a9d18d151d0988">LowerDbgDeclare</a>(Function &<a class="code" href="LLParser_8cpp.html#a33ece1ef8074506a15d7f86eb76dbae6">F</a>);
+<a name="l00250"></a>00250 <span class="comment"></span>
+<a name="l00251"></a>00251 <span class="comment">/// FindAllocaDbgDeclare - Finds the llvm.dbg.declare intrinsic corresponding to</span>
+<a name="l00252"></a>00252 <span class="comment">/// an alloca, if any.</span>
+<a name="l00253"></a>00253 <span class="comment"></span>DbgDeclareInst *<a class="code" href="namespacellvm.html#aabf35a012f84ad0dab49cd5b7dec7965">FindAllocaDbgDeclare</a>(Value *V);
+<a name="l00254"></a>00254
+<a name="l00255"></a>00255 } <span class="comment">// End llvm namespace</span>
+<a name="l00256"></a>00256
+<a name="l00257"></a>00257 <span class="preprocessor">#endif</span>
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:20 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
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--- www-releases/trunk/3.2/docs/doxygen/html/Locale_8h.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/Locale_8h.html Fri Dec 21 00:57:24 2012
@@ -0,0 +1,86 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<html><head>
+<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
+<meta name="keywords" content="LLVM,Low Level Virtual Machine,C++,doxygen,API,documentation"/>
+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: Locale.h File Reference</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
+<p class="title">LLVM API Documentation</p>
+<!-- Generated by Doxygen 1.7.5.1 -->
+ <div id="navrow1" class="tabs">
+ <ul class="tablist">
+ <li><a href="index.html"><span>Main Page</span></a></li>
+ <li><a href="pages.html"><span>Related Pages</span></a></li>
+ <li><a href="modules.html"><span>Modules</span></a></li>
+ <li><a href="namespaces.html"><span>Namespaces</span></a></li>
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--- www-releases/trunk/3.2/docs/doxygen/html/LoopExtractor_8cpp_source.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/LoopExtractor_8cpp_source.html Fri Dec 21 00:57:24 2012
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+<title>LLVM: LoopExtractor.cpp Source File</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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+<p class="title">LLVM API Documentation</p>
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+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_74e9364f374e99e3aeab4fae4e196292.html">lib</a> </li>
+ <li class="navelem"><a class="el" href="dir_22ea62e2015f6a823fddac4ac38ba517.html">Transforms</a> </li>
+ <li class="navelem"><a class="el" href="dir_a5a75fb0df8cea8d1a0a6c9d8a132571.html">IPO</a> </li>
+ </ul>
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+</div>
+<div class="header">
+ <div class="headertitle">
+<div class="title">LoopExtractor.cpp</div> </div>
+</div>
+<div class="contents">
+<a href="LoopExtractor_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===- LoopExtractor.cpp - Extract each loop into a new function ----------===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// A pass wrapper around the ExtractLoop() scalar transformation to extract each</span>
+<a name="l00011"></a>00011 <span class="comment">// top-level loop into its own new function. If the loop is the ONLY loop in a</span>
+<a name="l00012"></a>00012 <span class="comment">// given function, it is not touched. This is a pass most useful for debugging</span>
+<a name="l00013"></a>00013 <span class="comment">// via bugpoint.</span>
+<a name="l00014"></a>00014 <span class="comment">//</span>
+<a name="l00015"></a>00015 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00016"></a>00016
+<a name="l00017"></a><a class="code" href="LoopExtractor_8cpp.html#ad78e062f62e0d6e453941fb4ca843e4d">00017</a> <span class="preprocessor">#define DEBUG_TYPE "loop-extract"</span>
+<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="Transforms_2IPO_8h.html">llvm/Transforms/IPO.h</a>"</span>
+<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="Instructions_8h.html">llvm/Instructions.h</a>"</span>
+<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="Module_8h.html">llvm/Module.h</a>"</span>
+<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="Pass_8h.html">llvm/Pass.h</a>"</span>
+<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="Dominators_8h.html">llvm/Analysis/Dominators.h</a>"</span>
+<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="LoopPass_8h.html">llvm/Analysis/LoopPass.h</a>"</span>
+<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="CommandLine_8h.html">llvm/Support/CommandLine.h</a>"</span>
+<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="Transforms_2Scalar_8h.html">llvm/Transforms/Scalar.h</a>"</span>
+<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="BasicBlockUtils_8h.html">llvm/Transforms/Utils/BasicBlockUtils.h</a>"</span>
+<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="CodeExtractor_8h.html">llvm/Transforms/Utils/CodeExtractor.h</a>"</span>
+<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="Statistic_8h.html">llvm/ADT/Statistic.h</a>"</span>
+<a name="l00029"></a>00029 <span class="preprocessor">#include <fstream></span>
+<a name="l00030"></a>00030 <span class="preprocessor">#include <set></span>
+<a name="l00031"></a>00031 <span class="keyword">using namespace </span>llvm;
+<a name="l00032"></a>00032
+<a name="l00033"></a>00033 <a class="code" href="Statistic_8h.html#ad6117415b93e5675d5a6c8e1855b3b2f">STATISTIC</a>(NumExtracted, <span class="stringliteral">"Number of loops extracted"</span>);
+<a name="l00034"></a>00034
+<a name="l00035"></a>00035 <span class="keyword">namespace </span>{
+<a name="l00036"></a>00036 <span class="keyword">struct </span>LoopExtractor : <span class="keyword">public</span> <a class="code" href="classllvm_1_1LoopPass.html">LoopPass</a> {
+<a name="l00037"></a>00037 <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>; <span class="comment">// Pass identification, replacement for typeid</span>
+<a name="l00038"></a>00038 <span class="keywordtype">unsigned</span> NumLoops;
+<a name="l00039"></a>00039
+<a name="l00040"></a>00040 <span class="keyword">explicit</span> LoopExtractor(<span class="keywordtype">unsigned</span> numLoops = ~0)
+<a name="l00041"></a>00041 : <a class="code" href="classllvm_1_1LoopPass.html">LoopPass</a>(<a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>), NumLoops(numLoops) {
+<a name="l00042"></a>00042 <a class="code" href="namespacellvm.html#ab03ad850aabb274f9cba09a2c6c05d67">initializeLoopExtractorPass</a>(*<a class="code" href="classllvm_1_1PassRegistry.html#a05a729900b76c89e808c6c3094921b2f">PassRegistry::getPassRegistry</a>());
+<a name="l00043"></a>00043 }
+<a name="l00044"></a>00044
+<a name="l00045"></a>00045 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> runOnLoop(<a class="code" href="classllvm_1_1Loop.html">Loop</a> *L, <a class="code" href="classllvm_1_1LPPassManager.html">LPPassManager</a> &LPM);
+<a name="l00046"></a>00046
+<a name="l00047"></a>00047 <span class="keyword">virtual</span> <span class="keywordtype">void</span> getAnalysisUsage(<a class="code" href="classllvm_1_1AnalysisUsage.html">AnalysisUsage</a> &AU)<span class="keyword"> const </span>{
+<a name="l00048"></a>00048 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#a053677ebc731b47a534f841b11b5cf0c">addRequiredID</a>(<a class="code" href="namespacellvm.html#ac39b40d3d53e73764f8328bc22eea839">BreakCriticalEdgesID</a>);
+<a name="l00049"></a>00049 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#a053677ebc731b47a534f841b11b5cf0c">addRequiredID</a>(<a class="code" href="namespacellvm.html#a472515fc67a5fb572afeb00aa2609cca">LoopSimplifyID</a>);
+<a name="l00050"></a>00050 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#ae5c60fd282ee894c87ea02c3f0fcb6d0">addRequired</a><<a class="code" href="classllvm_1_1DominatorTree.html">DominatorTree</a>>();
+<a name="l00051"></a>00051 }
+<a name="l00052"></a>00052 };
+<a name="l00053"></a>00053 }
+<a name="l00054"></a>00054
+<a name="l00055"></a>00055 <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">LoopExtractor::ID</a> = 0;
+<a name="l00056"></a>00056 <a class="code" href="PassSupport_8h.html#aaa970fc931c1c63037a8182e028d04b1">INITIALIZE_PASS_BEGIN</a>(LoopExtractor, <span class="stringliteral">"loop-extract"</span>,
+<a name="l00057"></a>00057 <span class="stringliteral">"Extract loops into new functions"</span>, <span class="keyword">false</span>, <span class="keyword">false</span>)
+<a name="l00058"></a>00058 <a class="code" href="PassSupport_8h.html#a14724f1ccf528e73bb29bc9230737967">INITIALIZE_PASS_DEPENDENCY</a>(BreakCriticalEdges)
+<a name="l00059"></a>00059 <a class="code" href="PassSupport_8h.html#a14724f1ccf528e73bb29bc9230737967">INITIALIZE_PASS_DEPENDENCY</a>(LoopSimplify)
+<a name="l00060"></a>00060 <a class="code" href="PassSupport_8h.html#a14724f1ccf528e73bb29bc9230737967">INITIALIZE_PASS_DEPENDENCY</a>(<a class="code" href="classllvm_1_1DominatorTree.html">DominatorTree</a>)
+<a name="l00061"></a><a class="code" href="LoopExtractor_8cpp.html#ac6229e61e0214888a5ad66ac60cb36ec">00061</a> <a class="code" href="PassSupport_8h.html#a74ce8276b89067e806f67c45a6d92575">INITIALIZE_PASS_END</a>(LoopExtractor, "loop-<a class="code" href="LoopExtractor_8cpp.html#a84dff14934298a71113ab11312c243f6">extract</a>",
+<a name="l00062"></a>00062 "Extract <a class="code" href="MachineLoopInfo_8cpp.html#a59aa69fa39ee55438427bfc39852b9e6">loops</a> into new <a class="code" href="InlineAlways_8cpp.html#a2d8a8f47affac13913c407ee9714d994">functions</a>", <a class="code" href="AliasAnalysisEvaluator_8cpp.html#a3898a228575af19a9b2052f2b3677dce">false</a>, false)
+<a name="l00063"></a>00063
+<a name="l00064"></a>00064 namespace {<span class="comment"></span>
+<a name="l00065"></a>00065 <span class="comment"> /// SingleLoopExtractor - For bugpoint.</span>
+<a name="l00066"></a><a class="code" href="structfalse_1_1SingleLoopExtractor.html">00066</a> <span class="comment"></span> <span class="keyword">struct </span><a class="code" href="structfalse_1_1SingleLoopExtractor.html" title="SingleLoopExtractor - For bugpoint.">SingleLoopExtractor</a> : <span class="keyword">public</span> LoopExtractor {
+<a name="l00067"></a><a class="code" href="structfalse_1_1SingleLoopExtractor.html#a406a2f4f0b1368371ebb49fd575fc031">00067</a> <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="structfalse_1_1SingleLoopExtractor.html#a406a2f4f0b1368371ebb49fd575fc031">ID</a>; <span class="comment">// Pass identification, replacement for typeid</span>
+<a name="l00068"></a><a class="code" href="structfalse_1_1SingleLoopExtractor.html#a5680ae1a3654be3ef4626c16d3ff4d57">00068</a> <a class="code" href="structfalse_1_1SingleLoopExtractor.html#a5680ae1a3654be3ef4626c16d3ff4d57">SingleLoopExtractor</a>() : LoopExtractor(1) {}
+<a name="l00069"></a>00069 };
+<a name="l00070"></a>00070 } <span class="comment">// End anonymous namespace</span>
+<a name="l00071"></a>00071
+<a name="l00072"></a>00072 <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">SingleLoopExtractor::ID</a> = 0;
+<a name="l00073"></a><a class="code" href="LoopExtractor_8cpp.html#a81f3020164e89fac7139946107edda10">00073</a> <a class="code" href="PassSupport_8h.html#af807c9595d50b45c0008924c4679c85c">INITIALIZE_PASS</a>(SingleLoopExtractor, <span class="stringliteral">"loop-extract-single"</span>,
+<a name="l00074"></a>00074 <span class="stringliteral">"Extract at most one loop into a new function"</span>, <span class="keyword">false</span>, <span class="keyword">false</span>)
+<a name="l00075"></a>00075
+<a name="l00076"></a>00076 <span class="comment">// createLoopExtractorPass - This pass extracts all natural loops from the</span>
+<a name="l00077"></a>00077 <span class="comment">// program into a function if it can.</span>
+<a name="l00078"></a>00078 <span class="comment">//</span>
+<a name="l00079"></a>00079 <a class="code" href="classllvm_1_1Pass.html">Pass</a> *llvm::<a class="code" href="namespacellvm.html#a45daa1faaa514ebb714262a6bd7f90da">createLoopExtractorPass</a>() { <span class="keywordflow">return</span> <span class="keyword">new</span> LoopExtractor(); }
+<a name="l00080"></a>00080
+<a name="l00081"></a>00081 <span class="keywordtype">bool</span> LoopExtractor::runOnLoop(<a class="code" href="classllvm_1_1Loop.html">Loop</a> *L, <a class="code" href="classllvm_1_1LPPassManager.html">LPPassManager</a> &LPM) {
+<a name="l00082"></a>00082 <span class="comment">// Only visit top-level loops.</span>
+<a name="l00083"></a>00083 <span class="keywordflow">if</span> (L-><a class="code" href="classllvm_1_1LoopBase.html#a1431766de798501f107d9031821f311e">getParentLoop</a>())
+<a name="l00084"></a>00084 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00085"></a>00085
+<a name="l00086"></a>00086 <span class="comment">// If LoopSimplify form is not available, stay out of trouble.</span>
+<a name="l00087"></a>00087 <span class="keywordflow">if</span> (!L-><a class="code" href="classllvm_1_1Loop.html#a1d4445ebce66137e57fbaa967a19d7e9">isLoopSimplifyForm</a>())
+<a name="l00088"></a>00088 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00089"></a>00089
+<a name="l00090"></a>00090 <a class="code" href="classllvm_1_1DominatorTree.html">DominatorTree</a> &DT = getAnalysis<DominatorTree>();
+<a name="l00091"></a>00091 <span class="keywordtype">bool</span> Changed = <span class="keyword">false</span>;
+<a name="l00092"></a>00092
+<a name="l00093"></a>00093 <span class="comment">// If there is more than one top-level loop in this function, extract all of</span>
+<a name="l00094"></a>00094 <span class="comment">// the loops. Otherwise there is exactly one top-level loop; in this case if</span>
+<a name="l00095"></a>00095 <span class="comment">// this function is more than a minimal wrapper around the loop, extract</span>
+<a name="l00096"></a>00096 <span class="comment">// the loop.</span>
+<a name="l00097"></a>00097 <span class="keywordtype">bool</span> ShouldExtractLoop = <span class="keyword">false</span>;
+<a name="l00098"></a>00098
+<a name="l00099"></a>00099 <span class="comment">// Extract the loop if the entry block doesn't branch to the loop header.</span>
+<a name="l00100"></a>00100 <a class="code" href="classllvm_1_1TerminatorInst.html">TerminatorInst</a> *EntryTI =
+<a name="l00101"></a>00101 L-><a class="code" href="classllvm_1_1LoopBase.html#ac4f141a355e5898255f2cbc57c5b54c3">getHeader</a>()-><a class="code" href="classllvm_1_1BasicBlock.html#aca229503e4f5c83a187a6a921c625fa8">getParent</a>()-><a class="code" href="classllvm_1_1Function.html#a30f2c362631e3728d2f47a8203071ade">getEntryBlock</a>().<a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>();
+<a name="l00102"></a>00102 <span class="keywordflow">if</span> (!isa<BranchInst>(EntryTI) ||
+<a name="l00103"></a>00103 !cast<BranchInst>(EntryTI)->isUnconditional() ||
+<a name="l00104"></a>00104 EntryTI-><a class="code" href="classllvm_1_1TerminatorInst.html#a3aac3b6c36415a2b08f65ead9e3e51e7">getSuccessor</a>(0) != L-><a class="code" href="classllvm_1_1LoopBase.html#ac4f141a355e5898255f2cbc57c5b54c3">getHeader</a>()) {
+<a name="l00105"></a>00105 ShouldExtractLoop = <span class="keyword">true</span>;
+<a name="l00106"></a>00106 } <span class="keywordflow">else</span> {
+<a name="l00107"></a>00107 <span class="comment">// Check to see if any exits from the loop are more than just return</span>
+<a name="l00108"></a>00108 <span class="comment">// blocks.</span>
+<a name="l00109"></a>00109 <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<BasicBlock*, 8></a> ExitBlocks;
+<a name="l00110"></a>00110 L-><a class="code" href="classllvm_1_1LoopBase.html#a420d7b5cd4eebceaf8bc16326e07af9c">getExitBlocks</a>(ExitBlocks);
+<a name="l00111"></a>00111 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0, e = ExitBlocks.<a class="code" href="classllvm_1_1SmallVectorTemplateCommon.html#a22a311dfe4c28a897de8a9365a4f0a84">size</a>(); i != e; ++i)
+<a name="l00112"></a>00112 <span class="keywordflow">if</span> (!isa<ReturnInst>(ExitBlocks[i]->getTerminator())) {
+<a name="l00113"></a>00113 ShouldExtractLoop = <span class="keyword">true</span>;
+<a name="l00114"></a>00114 <span class="keywordflow">break</span>;
+<a name="l00115"></a>00115 }
+<a name="l00116"></a>00116 }
+<a name="l00117"></a>00117
+<a name="l00118"></a>00118 <span class="keywordflow">if</span> (ShouldExtractLoop) {
+<a name="l00119"></a>00119 <span class="comment">// We must omit landing pads. Landing pads must accompany the invoke</span>
+<a name="l00120"></a>00120 <span class="comment">// instruction. But this would result in a loop in the extracted</span>
+<a name="l00121"></a>00121 <span class="comment">// function. An infinite cycle occurs when it tries to extract that loop as</span>
+<a name="l00122"></a>00122 <span class="comment">// well.</span>
+<a name="l00123"></a>00123 <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<BasicBlock*, 8></a> ExitBlocks;
+<a name="l00124"></a>00124 L-><a class="code" href="classllvm_1_1LoopBase.html#a420d7b5cd4eebceaf8bc16326e07af9c">getExitBlocks</a>(ExitBlocks);
+<a name="l00125"></a>00125 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0, e = ExitBlocks.<a class="code" href="classllvm_1_1SmallVectorTemplateCommon.html#a22a311dfe4c28a897de8a9365a4f0a84">size</a>(); i != e; ++i)
+<a name="l00126"></a>00126 <span class="keywordflow">if</span> (ExitBlocks[i]->isLandingPad()) {
+<a name="l00127"></a>00127 ShouldExtractLoop = <span class="keyword">false</span>;
+<a name="l00128"></a>00128 <span class="keywordflow">break</span>;
+<a name="l00129"></a>00129 }
+<a name="l00130"></a>00130 }
+<a name="l00131"></a>00131
+<a name="l00132"></a>00132 <span class="keywordflow">if</span> (ShouldExtractLoop) {
+<a name="l00133"></a>00133 <span class="keywordflow">if</span> (NumLoops == 0) <span class="keywordflow">return</span> Changed;
+<a name="l00134"></a>00134 --NumLoops;
+<a name="l00135"></a>00135 <a class="code" href="classllvm_1_1CodeExtractor.html" title="Utility class for extracting code into a new function.">CodeExtractor</a> Extractor(DT, *L);
+<a name="l00136"></a>00136 <span class="keywordflow">if</span> (Extractor.extractCodeRegion() != 0) {
+<a name="l00137"></a>00137 Changed = <span class="keyword">true</span>;
+<a name="l00138"></a>00138 <span class="comment">// After extraction, the loop is replaced by a function call, so</span>
+<a name="l00139"></a>00139 <span class="comment">// we shouldn't try to run any more loop passes on it.</span>
+<a name="l00140"></a>00140 LPM.<a class="code" href="classllvm_1_1LPPassManager.html#a6eaffd08c6bba495330624a07b42a470" title="Delete loop from the loop queue and loop hierarchy (LoopInfo).">deleteLoopFromQueue</a>(L);
+<a name="l00141"></a>00141 }
+<a name="l00142"></a>00142 ++NumExtracted;
+<a name="l00143"></a>00143 }
+<a name="l00144"></a>00144
+<a name="l00145"></a>00145 <span class="keywordflow">return</span> Changed;
+<a name="l00146"></a>00146 }
+<a name="l00147"></a>00147
+<a name="l00148"></a>00148 <span class="comment">// createSingleLoopExtractorPass - This pass extracts one natural loop from the</span>
+<a name="l00149"></a>00149 <span class="comment">// program into a function if it can. This is used by bugpoint.</span>
+<a name="l00150"></a>00150 <span class="comment">//</span>
+<a name="l00151"></a><a class="code" href="namespacellvm.html#a7e59712594721d4fcfea4ffe36e942d4">00151</a> <a class="code" href="classllvm_1_1Pass.html">Pass</a> *<a class="code" href="namespacellvm.html#a7e59712594721d4fcfea4ffe36e942d4">llvm::createSingleLoopExtractorPass</a>() {
+<a name="l00152"></a>00152 <span class="keywordflow">return</span> <span class="keyword">new</span> SingleLoopExtractor();
+<a name="l00153"></a>00153 }
+<a name="l00154"></a>00154
+<a name="l00155"></a>00155
+<a name="l00156"></a>00156 <span class="comment">// BlockFile - A file which contains a list of blocks that should not be</span>
+<a name="l00157"></a>00157 <span class="comment">// extracted.</span>
+<a name="l00158"></a>00158 <span class="keyword">static</span> <a class="code" href="classllvm_1_1cl_1_1opt.html">cl::opt<std::string></a>
+<a name="l00159"></a>00159 <a class="code" href="LoopExtractor_8cpp.html#a136ea1505de002690b51a05f7b0aef56">BlockFile</a>(<span class="stringliteral">"extract-blocks-file"</span>, <a class="code" href="structllvm_1_1cl_1_1value__desc.html">cl::value_desc</a>(<span class="stringliteral">"filename"</span>),
+<a name="l00160"></a>00160 <a class="code" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>(<span class="stringliteral">"A file containing list of basic blocks to not extract"</span>),
+<a name="l00161"></a>00161 <a class="code" href="namespacellvm_1_1cl.html#a68075925a54790e71ca790e1d4f21a40a263ac008d8d31f13ce460395fc4cf7e6">cl::Hidden</a>);
+<a name="l00162"></a>00162
+<a name="l00163"></a>00163 <span class="keyword">namespace </span>{<span class="comment"></span>
+<a name="l00164"></a>00164 <span class="comment"> /// BlockExtractorPass - This pass is used by bugpoint to extract all blocks</span>
+<a name="l00165"></a>00165 <span class="comment"> /// from the module into their own functions except for those specified by the</span>
+<a name="l00166"></a>00166 <span class="comment"> /// BlocksToNotExtract list.</span>
+<a name="l00167"></a>00167 <span class="comment"></span> <span class="keyword">class </span>BlockExtractorPass : <span class="keyword">public</span> <a class="code" href="classllvm_1_1ModulePass.html">ModulePass</a> {
+<a name="l00168"></a>00168 <span class="keywordtype">void</span> LoadFile(<span class="keyword">const</span> <span class="keywordtype">char</span> *Filename);
+<a name="l00169"></a>00169 <span class="keywordtype">void</span> SplitLandingPadPreds(<a class="code" href="classllvm_1_1Function.html">Function</a> *<a class="code" href="LLParser_8cpp.html#a33ece1ef8074506a15d7f86eb76dbae6">F</a>);
+<a name="l00170"></a>00170
+<a name="l00171"></a>00171 std::vector<BasicBlock*> BlocksToNotExtract;
+<a name="l00172"></a>00172 std::vector<std::pair<std::string, std::string> > BlocksToNotExtractByName;
+<a name="l00173"></a>00173 <span class="keyword">public</span>:
+<a name="l00174"></a>00174 <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>; <span class="comment">// Pass identification, replacement for typeid</span>
+<a name="l00175"></a>00175 BlockExtractorPass() : <a class="code" href="classllvm_1_1ModulePass.html">ModulePass</a>(<a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>) {
+<a name="l00176"></a>00176 <span class="keywordflow">if</span> (!<a class="code" href="LoopExtractor_8cpp.html#a136ea1505de002690b51a05f7b0aef56">BlockFile</a>.empty())
+<a name="l00177"></a>00177 LoadFile(<a class="code" href="LoopExtractor_8cpp.html#a136ea1505de002690b51a05f7b0aef56">BlockFile</a>.c_str());
+<a name="l00178"></a>00178 }
+<a name="l00179"></a>00179
+<a name="l00180"></a>00180 <span class="keywordtype">bool</span> runOnModule(<a class="code" href="classllvm_1_1Module.html" title="The main container class for the LLVM Intermediate Representation.">Module</a> &M);
+<a name="l00181"></a>00181 };
+<a name="l00182"></a>00182 }
+<a name="l00183"></a>00183
+<a name="l00184"></a>00184 <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">BlockExtractorPass::ID</a> = 0;
+<a name="l00185"></a><a class="code" href="LoopExtractor_8cpp.html#afb827cda3b0c4050f3c4aa538a5c0a96">00185</a> <a class="code" href="PassSupport_8h.html#af807c9595d50b45c0008924c4679c85c">INITIALIZE_PASS</a>(BlockExtractorPass, <span class="stringliteral">"extract-blocks"</span>,
+<a name="l00186"></a>00186 <span class="stringliteral">"Extract Basic Blocks From Module (for bugpoint use)"</span>,
+<a name="l00187"></a>00187 <span class="keyword">false</span>, <span class="keyword">false</span>)
+<a name="l00188"></a>00188
+<a name="l00189"></a>00189 <span class="comment">// createBlockExtractorPass - This pass extracts all blocks (except those</span>
+<a name="l00190"></a>00190 <span class="comment">// specified in the argument list) from the functions in the module.</span>
+<a name="l00191"></a>00191 <span class="comment">//</span>
+<a name="l00192"></a>00192 <a class="code" href="classllvm_1_1ModulePass.html">ModulePass</a> *llvm::<a class="code" href="namespacellvm.html#aa00a3be162786535754940bf0adfc647">createBlockExtractorPass</a>() {
+<a name="l00193"></a>00193 <span class="keywordflow">return</span> <span class="keyword">new</span> BlockExtractorPass();
+<a name="l00194"></a>00194 }
+<a name="l00195"></a>00195
+<a name="l00196"></a>00196 <span class="keywordtype">void</span> BlockExtractorPass::LoadFile(<span class="keyword">const</span> <span class="keywordtype">char</span> *Filename) {
+<a name="l00197"></a>00197 <span class="comment">// Load the BlockFile...</span>
+<a name="l00198"></a>00198 std::ifstream <a class="code" href="namespacellvm_1_1tgtok.html#abbc5259d649363016626e2529fabe0c5a5fa7b4069ef3bd1ceb9f2caa315cf5ac">In</a>(Filename);
+<a name="l00199"></a>00199 <span class="keywordflow">if</span> (!<a class="code" href="namespacellvm_1_1tgtok.html#abbc5259d649363016626e2529fabe0c5a5fa7b4069ef3bd1ceb9f2caa315cf5ac">In</a>.good()) {
+<a name="l00200"></a>00200 <a class="code" href="namespacellvm.html#ab8e34eca3b0817ef7a127913fbf6d9e4">errs</a>() << <span class="stringliteral">"WARNING: BlockExtractor couldn't load file '"</span> << Filename
+<a name="l00201"></a>00201 << <span class="stringliteral">"'!\n"</span>;
+<a name="l00202"></a>00202 <span class="keywordflow">return</span>;
+<a name="l00203"></a>00203 }
+<a name="l00204"></a>00204 <span class="keywordflow">while</span> (<a class="code" href="namespacellvm_1_1tgtok.html#abbc5259d649363016626e2529fabe0c5a5fa7b4069ef3bd1ceb9f2caa315cf5ac">In</a>) {
+<a name="l00205"></a>00205 std::string FunctionName, BlockName;
+<a name="l00206"></a>00206 <a class="code" href="namespacellvm_1_1tgtok.html#abbc5259d649363016626e2529fabe0c5a5fa7b4069ef3bd1ceb9f2caa315cf5ac">In</a> >> FunctionName;
+<a name="l00207"></a>00207 <a class="code" href="namespacellvm_1_1tgtok.html#abbc5259d649363016626e2529fabe0c5a5fa7b4069ef3bd1ceb9f2caa315cf5ac">In</a> >> BlockName;
+<a name="l00208"></a>00208 <span class="keywordflow">if</span> (!BlockName.empty())
+<a name="l00209"></a>00209 BlocksToNotExtractByName.push_back(
+<a name="l00210"></a>00210 std::make_pair(FunctionName, BlockName));
+<a name="l00211"></a>00211 }
+<a name="l00212"></a>00212 }
+<a name="l00213"></a>00213 <span class="comment"></span>
+<a name="l00214"></a>00214 <span class="comment">/// SplitLandingPadPreds - The landing pad needs to be extracted with the invoke</span>
+<a name="l00215"></a>00215 <span class="comment">/// instruction. The critical edge breaker will refuse to break critical edges</span>
+<a name="l00216"></a>00216 <span class="comment">/// to a landing pad. So do them here. After this method runs, all landing pads</span>
+<a name="l00217"></a>00217 <span class="comment">/// should have only one predecessor.</span>
+<a name="l00218"></a>00218 <span class="comment"></span><span class="keywordtype">void</span> BlockExtractorPass::SplitLandingPadPreds(<a class="code" href="classllvm_1_1Function.html">Function</a> *<a class="code" href="LLParser_8cpp.html#a33ece1ef8074506a15d7f86eb76dbae6">F</a>) {
+<a name="l00219"></a>00219 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">Function::iterator</a> <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = F-><a class="code" href="classllvm_1_1Function.html#a88a5e60837674780a9d812d661897ac5">begin</a>(), E = F-><a class="code" href="classllvm_1_1Function.html#ae4ca2261b8b901e415fda7feac5051ea">end</a>(); <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> != E; ++<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>) {
+<a name="l00220"></a>00220 <a class="code" href="classllvm_1_1InvokeInst.html">InvokeInst</a> *II = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1InvokeInst.html">InvokeInst</a>>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>);
+<a name="l00221"></a>00221 <span class="keywordflow">if</span> (!II) <span class="keywordflow">continue</span>;
+<a name="l00222"></a>00222 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *Parent = II-><a class="code" href="classllvm_1_1Instruction.html#a9cd49851904f15060edb782ef4dd1b2d">getParent</a>();
+<a name="l00223"></a>00223 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *LPad = II-><a class="code" href="classllvm_1_1InvokeInst.html#a90beee7a8da6a92791f0c59ccf03a002">getUnwindDest</a>();
+<a name="l00224"></a>00224
+<a name="l00225"></a>00225 <span class="comment">// Look through the landing pad's predecessors. If one of them ends in an</span>
+<a name="l00226"></a>00226 <span class="comment">// 'invoke', then we want to split the landing pad.</span>
+<a name="l00227"></a>00227 <span class="keywordtype">bool</span> <a class="code" href="SubtargetFeature_8cpp.html#aea2f934ca74dd1ab539c92107416777e">Split</a> = <span class="keyword">false</span>;
+<a name="l00228"></a>00228 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1PredIterator.html">pred_iterator</a>
+<a name="l00229"></a>00229 PI = <a class="code" href="namespacellvm.html#a7e108932dc3da5294aed99a353aac9c4">pred_begin</a>(LPad), PE = <a class="code" href="namespacellvm.html#a5eeaf08e96168c2cac8960f87f0ef360">pred_end</a>(LPad); PI != PE; ++PI) {
+<a name="l00230"></a>00230 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *BB = *PI;
+<a name="l00231"></a>00231 <span class="keywordflow">if</span> (BB-><a class="code" href="classllvm_1_1BasicBlock.html#a3075a9eef753018bed561df31f38dc23">isLandingPad</a>() && BB != Parent &&
+<a name="l00232"></a>00232 isa<InvokeInst>(Parent-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>())) {
+<a name="l00233"></a>00233 Split = <span class="keyword">true</span>;
+<a name="l00234"></a>00234 <span class="keywordflow">break</span>;
+<a name="l00235"></a>00235 }
+<a name="l00236"></a>00236 }
+<a name="l00237"></a>00237
+<a name="l00238"></a>00238 <span class="keywordflow">if</span> (!Split) <span class="keywordflow">continue</span>;
+<a name="l00239"></a>00239
+<a name="l00240"></a>00240 <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<BasicBlock*, 2></a> NewBBs;
+<a name="l00241"></a>00241 <a class="code" href="namespacellvm.html#a02c38c380d809959819ff729cc158cee">SplitLandingPadPredecessors</a>(LPad, Parent, <span class="stringliteral">".1"</span>, <span class="stringliteral">".2"</span>, 0, NewBBs);
+<a name="l00242"></a>00242 }
+<a name="l00243"></a>00243 }
+<a name="l00244"></a>00244
+<a name="l00245"></a>00245 <span class="keywordtype">bool</span> BlockExtractorPass::runOnModule(<a class="code" href="classllvm_1_1Module.html" title="The main container class for the LLVM Intermediate Representation.">Module</a> &M) {
+<a name="l00246"></a>00246 std::set<BasicBlock*> TranslatedBlocksToNotExtract;
+<a name="l00247"></a>00247 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0, e = BlocksToNotExtract.size(); i != e; ++i) {
+<a name="l00248"></a>00248 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *BB = BlocksToNotExtract[i];
+<a name="l00249"></a>00249 <a class="code" href="classllvm_1_1Function.html">Function</a> *F = BB-><a class="code" href="classllvm_1_1BasicBlock.html#aca229503e4f5c83a187a6a921c625fa8">getParent</a>();
+<a name="l00250"></a>00250
+<a name="l00251"></a>00251 <span class="comment">// Map the corresponding function in this module.</span>
+<a name="l00252"></a>00252 <a class="code" href="classllvm_1_1Function.html">Function</a> *MF = M.<a class="code" href="classllvm_1_1Module.html#a3f156c68d0efa530f05698ca15d66593">getFunction</a>(F-><a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>());
+<a name="l00253"></a>00253 assert(MF-><a class="code" href="classllvm_1_1Function.html#adf66d58e85fb4e46e9c1ae55186a6930">getFunctionType</a>() == F-><a class="code" href="classllvm_1_1Function.html#adf66d58e85fb4e46e9c1ae55186a6930">getFunctionType</a>() && <span class="stringliteral">"Wrong function?"</span>);
+<a name="l00254"></a>00254
+<a name="l00255"></a>00255 <span class="comment">// Figure out which index the basic block is in its function.</span>
+<a name="l00256"></a>00256 <a class="code" href="classllvm_1_1ilist__iterator.html">Function::iterator</a> BBI = MF-><a class="code" href="classllvm_1_1Function.html#a88a5e60837674780a9d812d661897ac5">begin</a>();
+<a name="l00257"></a>00257 <a class="code" href="namespacellvm_1_1object.html#a77d2b12be43df06e7e80ed8c70b82709">std::advance</a>(BBI, std::distance(F-><a class="code" href="classllvm_1_1Function.html#a88a5e60837674780a9d812d661897ac5">begin</a>(), <a class="code" href="classllvm_1_1Function.html#a6742ba0740034550bed98bc80596f7ad">Function::iterator</a>(BB)));
+<a name="l00258"></a>00258 TranslatedBlocksToNotExtract.insert(BBI);
+<a name="l00259"></a>00259 }
+<a name="l00260"></a>00260
+<a name="l00261"></a>00261 <span class="keywordflow">while</span> (!BlocksToNotExtractByName.empty()) {
+<a name="l00262"></a>00262 <span class="comment">// There's no way to find BBs by name without looking at every BB inside</span>
+<a name="l00263"></a>00263 <span class="comment">// every Function. Fortunately, this is always empty except when used by</span>
+<a name="l00264"></a>00264 <span class="comment">// bugpoint in which case correctness is more important than performance.</span>
+<a name="l00265"></a>00265
+<a name="l00266"></a>00266 std::string &<a class="code" href="CPPBackend_8cpp.html#a42ec43d2298561e7465455e9574a229d">FuncName</a> = BlocksToNotExtractByName.back().first;
+<a name="l00267"></a>00267 std::string &BlockName = BlocksToNotExtractByName.back().second;
+<a name="l00268"></a>00268
+<a name="l00269"></a>00269 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">Module::iterator</a> FI = M.<a class="code" href="classllvm_1_1Module.html#a279174d137c1ef32aa5b627f5e06620f">begin</a>(), FE = M.<a class="code" href="classllvm_1_1Module.html#aa608a2d900dd6c15c18f4236b6548496">end</a>(); FI != FE; ++FI) {
+<a name="l00270"></a>00270 <a class="code" href="classllvm_1_1Function.html">Function</a> &F = *FI;
+<a name="l00271"></a>00271 <span class="keywordflow">if</span> (F.<a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>() != <a class="code" href="CPPBackend_8cpp.html#a42ec43d2298561e7465455e9574a229d">FuncName</a>) <span class="keywordflow">continue</span>;
+<a name="l00272"></a>00272
+<a name="l00273"></a>00273 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">Function::iterator</a> BI = F.<a class="code" href="classllvm_1_1Function.html#a88a5e60837674780a9d812d661897ac5">begin</a>(), BE = F.<a class="code" href="classllvm_1_1Function.html#ae4ca2261b8b901e415fda7feac5051ea">end</a>(); BI != BE; ++BI) {
+<a name="l00274"></a>00274 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> &BB = *BI;
+<a name="l00275"></a>00275 <span class="keywordflow">if</span> (BB.<a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>() != BlockName) <span class="keywordflow">continue</span>;
+<a name="l00276"></a>00276
+<a name="l00277"></a>00277 TranslatedBlocksToNotExtract.insert(BI);
+<a name="l00278"></a>00278 }
+<a name="l00279"></a>00279 }
+<a name="l00280"></a>00280
+<a name="l00281"></a>00281 BlocksToNotExtractByName.pop_back();
+<a name="l00282"></a>00282 }
+<a name="l00283"></a>00283
+<a name="l00284"></a>00284 <span class="comment">// Now that we know which blocks to not extract, figure out which ones we WANT</span>
+<a name="l00285"></a>00285 <span class="comment">// to extract.</span>
+<a name="l00286"></a>00286 std::vector<BasicBlock*> BlocksToExtract;
+<a name="l00287"></a>00287 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">Module::iterator</a> F = M.<a class="code" href="classllvm_1_1Module.html#a279174d137c1ef32aa5b627f5e06620f">begin</a>(), E = M.<a class="code" href="classllvm_1_1Module.html#aa608a2d900dd6c15c18f4236b6548496">end</a>(); F != E; ++<a class="code" href="LLParser_8cpp.html#a33ece1ef8074506a15d7f86eb76dbae6">F</a>) {
+<a name="l00288"></a>00288 SplitLandingPadPreds(&*F);
+<a name="l00289"></a>00289 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">Function::iterator</a> BB = F-><a class="code" href="classllvm_1_1Function.html#a88a5e60837674780a9d812d661897ac5">begin</a>(), E = F-><a class="code" href="classllvm_1_1Function.html#ae4ca2261b8b901e415fda7feac5051ea">end</a>(); BB != E; ++BB)
+<a name="l00290"></a>00290 <span class="keywordflow">if</span> (!TranslatedBlocksToNotExtract.count(BB))
+<a name="l00291"></a>00291 BlocksToExtract.push_back(BB);
+<a name="l00292"></a>00292 }
+<a name="l00293"></a>00293
+<a name="l00294"></a>00294 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0, e = BlocksToExtract.size(); i != e; ++i) {
+<a name="l00295"></a>00295 <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<BasicBlock*, 2></a> BlocksToExtractVec;
+<a name="l00296"></a>00296 BlocksToExtractVec.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(BlocksToExtract[i]);
+<a name="l00297"></a>00297 <span class="keywordflow">if</span> (<span class="keyword">const</span> <a class="code" href="classllvm_1_1InvokeInst.html">InvokeInst</a> *II =
+<a name="l00298"></a>00298 dyn_cast<InvokeInst>(BlocksToExtract[i]->getTerminator()))
+<a name="l00299"></a>00299 BlocksToExtractVec.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(II-><a class="code" href="classllvm_1_1InvokeInst.html#a90beee7a8da6a92791f0c59ccf03a002">getUnwindDest</a>());
+<a name="l00300"></a>00300 <a class="code" href="classllvm_1_1CodeExtractor.html" title="Utility class for extracting code into a new function.">CodeExtractor</a>(BlocksToExtractVec).<a class="code" href="classllvm_1_1CodeExtractor.html#a4ce3ed11610e55cc7acff1d3b9a9921c" title="Perform the extraction, returning the new function.">extractCodeRegion</a>();
+<a name="l00301"></a>00301 }
+<a name="l00302"></a>00302
+<a name="l00303"></a>00303 <span class="keywordflow">return</span> !BlocksToExtract.<a class="code" href="classllvm_1_1Function.html#a6a782b47efe4d6ad9a7a36b6525d9203">empty</a>();
+<a name="l00304"></a>00304 }
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:21 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
Added: www-releases/trunk/3.2/docs/doxygen/html/LoopInfoImpl_8h.html
URL: http://llvm.org/viewvc/llvm-project/www-releases/trunk/3.2/docs/doxygen/html/LoopInfoImpl_8h.html?rev=170845&view=auto
==============================================================================
--- www-releases/trunk/3.2/docs/doxygen/html/LoopInfoImpl_8h.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/LoopInfoImpl_8h.html Fri Dec 21 00:57:24 2012
@@ -0,0 +1,133 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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+<meta name="keywords" content="LLVM,Low Level Virtual Machine,C++,doxygen,API,documentation"/>
+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: LoopInfoImpl.h File Reference</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
+<p class="title">LLVM API Documentation</p>
+<!-- Generated by Doxygen 1.7.5.1 -->
+ <div id="navrow1" class="tabs">
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+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_25acc6571c4e3a053ee4203146b47a61.html">include</a> </li>
+ <li class="navelem"><a class="el" href="dir_fd2d7b5ce83b1c1657cd6600d8cb39fa.html">llvm</a> </li>
+ <li class="navelem"><a class="el" href="dir_a884da034f1b4859d4f2a35ae0ac2045.html">Analysis</a> </li>
+ </ul>
+ </div>
+</div>
+<div class="header">
+ <div class="summary">
+<a href="#namespaces">Namespaces</a> |
+<a href="#func-members">Functions</a> </div>
+ <div class="headertitle">
+<div class="title">LoopInfoImpl.h File Reference</div> </div>
+</div>
+<div class="contents">
+<div class="textblock"><code>#include "<a class="el" href="LoopInfo_8h_source.html">llvm/Analysis/LoopInfo.h</a>"</code><br/>
+<code>#include "<a class="el" href="PostOrderIterator_8h_source.html">llvm/ADT/PostOrderIterator.h</a>"</code><br/>
+</div><div class="textblock"><div class="dynheader">
+Include dependency graph for LoopInfoImpl.h:</div>
+<div class="dyncontent">
+<div class="center"><img src="LoopInfoImpl_8h__incl.png" border="0" usemap="#LoopInfoImpl_8h" alt=""/></div>
+<!-- MAP 0 -->
+</div>
+</div><div class="textblock"><div class="dynheader">
+This graph shows which files directly or indirectly include this file:</div>
+<div class="dyncontent">
+<div class="center"><img src="LoopInfoImpl_8h__dep__incl.png" border="0" usemap="#LoopInfoImpl_8hdep" alt=""/></div>
+<!-- MAP 1 -->
+</div>
+</div>
+<p><a href="LoopInfoImpl_8h_source.html">Go to the source code of this file.</a></p>
+<table class="memberdecls">
+<tr><td colspan="2"><h2><a name="namespaces"></a>
+Namespaces</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">namespace </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacellvm.html">llvm</a></td></tr>
+<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>List of target independent CodeGen pass IDs. </p>
+<br/></td></tr>
+<tr><td colspan="2"><h2><a name="func-members"></a>
+Functions</h2></td></tr>
+<tr><td class="memTemplParams" colspan="2">template<class BlockT , class LoopT > </td></tr>
+<tr><td class="memTemplItemLeft" align="right" valign="top">static void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacellvm.html#a7f9d937f58c5dd0b788e5a801d45e402">llvm::discoverAndMapSubloop</a> (LoopT *L, ArrayRef< BlockT * > Backedges, LoopInfoBase< BlockT, LoopT > *<a class="el" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>, DominatorTreeBase< BlockT > &DomTree)</td></tr>
+</table>
+<hr/><h2>Variable Documentation</h2>
+<a class="anchor" id="af53470571089093fd615a0453305add6"></a><!-- doxytag: member="LoopInfoImpl.h::DFSStack" ref="af53470571089093fd615a0453305add6" args="" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">std::vector<std::pair<BlockT*, SuccIterTy> > <a class="el" href="LoopInfoImpl_8h.html#af53470571089093fd615a0453305add6">DFSStack</a></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LoopInfoImpl_8h_source.html#l00432">432</a> of file <a class="el" href="LoopInfoImpl_8h_source.html">LoopInfoImpl.h</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="ab7b7f3fe4279386eae18cf924053d077"></a><!-- doxytag: member="LoopInfoImpl.h::LI" ref="ab7b7f3fe4279386eae18cf924053d077" args="" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">LoopInfoBase<BlockT, LoopT>* <a class="el" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LoopInfoImpl_8h_source.html#l00430">430</a> of file <a class="el" href="LoopInfoImpl_8h_source.html">LoopInfoImpl.h</a>.</p>
+
+<p>Referenced by <a class="el" href="AliasSetTracker_8cpp_source.html#l00352">llvm::AliasSetTracker::add()</a>, <a class="el" href="SCCP_8cpp_source.html#l01667">AddressIsTaken()</a>, <a class="el" href="RegisterPressure_8cpp_source.html#l00502">llvm::RegPressureTracker::advance()</a>, <a class="el" href="GlobalOpt_8cpp_source.html#l01306">AllGlobalLoadUsesSimpleEnoughForHeapSRA()</a>, <a class="el" href="GlobalOpt_8cpp_source.html#l00856">AllUsesOfLoadedValueWillTrapIfNull()</a>, <a class="el" href="MBlazeFrameLowering_8cpp_source.html#l00085">analyzeFrameIndexes()</a>, <a class="el" href="GlobalOpt_8cpp_source.html#l00196">AnalyzeGlobal()</a>, <a class="el" href="RegisterPressure_8cpp_source.html#l00756">llvm::RegPressureTracker::bumpDownwardPressure()</a>, <a class="el" href="GlobalOpt_8cpp_source.html#l00475">CleanupConstantGlobalUsers()</a>, <a class="el" href="ConstantFolding_8cpp_source.html#l00798">llvm::ConstantFoldInstruction()</a>, <a class="el" href="Local_8cpp_s
ource.html#l00867">llvm::ConvertDebugDeclareToDebugValue()</a>, <a class="el" href="IRBuilder_8h_source.html#l00823">llvm::IRBuilder< true, TargetFolder >::CreateAlignedLoad()</a>, <a class="el" href="LiveRangeEdit_8cpp_source.html#l00034">llvm::LiveRangeEdit::createFrom()</a>, <a class="el" href="DependenceAnalysis_8cpp_source.html#l03201">llvm::DependenceAnalysis::depends()</a>, <a class="el" href="LiveInterval_8cpp_source.html#l00833">llvm::ConnectedVNInfoEqClasses::Distribute()</a>, <a class="el" href="GCOV_8cpp_source.html#l00196">llvm::GCOVBlock::dump()</a>, <a class="el" href="StringMatcher_8cpp_source.html#l00124">llvm::StringMatcher::Emit()</a>, <a class="el" href="PPCISelLowering_8cpp_source.html#l05786">llvm::PPCTargetLowering::EmitInstrWithCustomInserter()</a>, <a class="el" href="PPCISelLowering_8cpp_source.html#l05655">llvm::PPCTargetLowering::EmitPartwordAtomicBinary()</a>, <a class="el" href="AddrModeMatcher_8cpp_source.html#l00407">FindAllMemoryUses()<
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>, <a class="el" href="ScalarReplAggregates_8cpp_source.html#l01137">isSafeSelectToSpeculate()</a>, <a class="el" href="Loads_8cpp_source.html#l00087">llvm::isSafeToLoadUnconditionally()</a>, <a class="el" href="ValueTracking_8cpp_source.html#l01853">llvm::isSafeToSpeculativelyExecute()</a>, <a class="el" href="Instruction_8cpp_source.html#l00243">llvm::Instruction::isSameOperationAs()</a>, <a class="el" href="Core_8cpp_source.html#l02118">LLVMGetVolatile()</a>, <a class="el" href="Core_8cpp_source.html#l02125">LLVMSetVolatile()</a>, <a class="el" href="SSAUpdater_8cpp_source.html#l00363">llvm::LoadAndStorePromoter::LoadAndStorePromoter()</a>, <a class="el" href="Local_8cpp_source.html#l00889">llvm::LowerDbgDeclare()</a>, <a class="el" href="BasicBlockUtils_8cpp_source.html#l00115">llvm::MergeBlockIntoPredecessor()</a>, <a class="el" href="GlobalOpt_8cpp_source.html#l00943">OptimizeAwayTrappingUsesOfLoads()</a>, <a class="el" href="GlobalOpt_8cpp_source.html#l00876">Optimize
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on()</a>, <a class="el" href="InstCombineCompares_8cpp_source.html#l01020">llvm::InstCombiner::visitICmpInstWithInstAndIntCst()</a>, <a class="el" href="InstructionCombining_8cpp_source.html#l01763">llvm::InstCombiner::visitLandingPadInst()</a>, <a class="el" href="InstCombineLoadStoreAlloca_8cpp_source.html#l00355">llvm::InstCombiner::visitLoadInst()</a>, and <a class="el" href="InstCombineLoadStoreAlloca_8cpp_source.html#l00580">llvm::InstCombiner::visitStoreInst()</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="ad7ab107a3378a69a26933a52012cedaf"></a><!-- doxytag: member="LoopInfoImpl.h::VisitedBlocks" ref="ad7ab107a3378a69a26933a52012cedaf" args="" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">DenseSet<const BlockT *> <a class="el" href="LoopInfoImpl_8h.html#ad7ab107a3378a69a26933a52012cedaf">VisitedBlocks</a></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LoopInfoImpl_8h_source.html#l00431">431</a> of file <a class="el" href="LoopInfoImpl_8h_source.html">LoopInfoImpl.h</a>.</p>
+
+</div>
+</div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:39:31 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
Added: www-releases/trunk/3.2/docs/doxygen/html/LoopInfo_8cpp.html
URL: http://llvm.org/viewvc/llvm-project/www-releases/trunk/3.2/docs/doxygen/html/LoopInfo_8cpp.html?rev=170845&view=auto
==============================================================================
--- www-releases/trunk/3.2/docs/doxygen/html/LoopInfo_8cpp.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/LoopInfo_8cpp.html Fri Dec 21 00:57:24 2012
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+<html><head>
+<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
+<meta name="keywords" content="LLVM,Low Level Virtual Machine,C++,doxygen,API,documentation"/>
+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: LoopInfo.cpp File Reference</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
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+<!-- Generated by Doxygen 1.7.5.1 -->
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+ <li class="navelem"><a class="el" href="dir_59dd179f705c75b7b821c61754f4942c.html">Analysis</a> </li>
+ </ul>
+ </div>
+</div>
+<div class="header">
+ <div class="summary">
+<a href="#var-members">Variables</a> </div>
+ <div class="headertitle">
+<div class="title">LoopInfo.cpp File Reference</div> </div>
+</div>
+<div class="contents">
+<div class="textblock"><code>#include "<a class="el" href="LoopInfo_8h_source.html">llvm/Analysis/LoopInfo.h</a>"</code><br/>
+<code>#include "<a class="el" href="Constants_8h_source.html">llvm/Constants.h</a>"</code><br/>
+<code>#include "<a class="el" href="Instructions_8h_source.html">llvm/Instructions.h</a>"</code><br/>
+<code>#include "<a class="el" href="Dominators_8h_source.html">llvm/Analysis/Dominators.h</a>"</code><br/>
+<code>#include "<a class="el" href="LoopInfoImpl_8h_source.html">llvm/Analysis/LoopInfoImpl.h</a>"</code><br/>
+<code>#include "<a class="el" href="LoopIterator_8h_source.html">llvm/Analysis/LoopIterator.h</a>"</code><br/>
+<code>#include "<a class="el" href="ValueTracking_8h_source.html">llvm/Analysis/ValueTracking.h</a>"</code><br/>
+<code>#include "<a class="el" href="Writer_8h_source.html">llvm/Assembly/Writer.h</a>"</code><br/>
+<code>#include "<a class="el" href="CFG_8h_source.html">llvm/Support/CFG.h</a>"</code><br/>
+<code>#include "<a class="el" href="CommandLine_8h_source.html">llvm/Support/CommandLine.h</a>"</code><br/>
+<code>#include "<a class="el" href="Debug_8h_source.html">llvm/Support/Debug.h</a>"</code><br/>
+<code>#include "<a class="el" href="DepthFirstIterator_8h_source.html">llvm/ADT/DepthFirstIterator.h</a>"</code><br/>
+<code>#include "<a class="el" href="SmallPtrSet_8h_source.html">llvm/ADT/SmallPtrSet.h</a>"</code><br/>
+<code>#include <algorithm></code><br/>
+</div><div class="textblock"><div class="dynheader">
+Include dependency graph for LoopInfo.cpp:</div>
+<div class="dyncontent">
+<div class="center"><img src="LoopInfo_8cpp__incl.png" border="0" usemap="#LoopInfo_8cpp" alt=""/></div>
+<!-- MAP 0 -->
+</div>
+</div>
+<p><a href="LoopInfo_8cpp_source.html">Go to the source code of this file.</a></p>
+<table class="memberdecls">
+<tr><td colspan="2"><h2><a name="var-members"></a>
+Variables</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="LoopInfo_8cpp.html#a1ff80086e715097195d6be22643f75c4">VerifyLoopInfo</a> = <a class="el" href="SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85">false</a></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classllvm_1_1cl_1_1opt.html">cl::opt</a>< <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a>, <a class="el" href="LoopSimplify_8cpp.html#a13f020c6a40eb04f1b4f9ddfbb004ce0">true</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="LoopInfo_8cpp.html#ab42c29f5e9985182169624cb3122aafe">VerifyLoopInfoX</a> ("verify-loop-<a class="el" href="LazyValueInfo_8cpp.html#ad7f64bcc544dcefb2e068282af1c549d">info</a>", cl::location(<a class="el" href="LoopInfo_8cpp.html#a1ff80086e715097195d6be22643f75c4">VerifyLoopInfo</a>), <a class="el" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>("Verify loop <a class="el" href="LazyValueInfo_8cpp.html#ad7f64bcc544dcefb2e068282af1c549d">info</a> (time consuming)"))</td></tr>
+</table>
+<hr/><h2>Variable Documentation</h2>
+<a class="anchor" id="a1ff80086e715097195d6be22643f75c4"></a><!-- doxytag: member="LoopInfo.cpp::VerifyLoopInfo" ref="a1ff80086e715097195d6be22643f75c4" args="" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname"><a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> <a class="el" href="LoopInfo_8cpp.html#a1ff80086e715097195d6be22643f75c4">VerifyLoopInfo</a> = <a class="el" href="SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85">false</a><code> [static]</code></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LoopInfo_8cpp_source.html#l00041">41</a> of file <a class="el" href="LoopInfo_8cpp_source.html">LoopInfo.cpp</a>.</p>
+
+<p>Referenced by <a class="el" href="LoopInfo_8cpp_source.html#l00582">llvm::LoopInfo::verifyAnalysis()</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="ab42c29f5e9985182169624cb3122aafe"></a><!-- doxytag: member="LoopInfo.cpp::VerifyLoopInfoX" ref="ab42c29f5e9985182169624cb3122aafe" args="("verify-loop-info", cl::location(VerifyLoopInfo), cl::desc("Verify loop info (time consuming)"))" -->
+<div class="memitem">
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+ <tr>
+ <td class="memname"><a class="el" href="classllvm_1_1cl_1_1opt.html">cl::opt</a><<a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a>,<a class="el" href="LoopSimplify_8cpp.html#a13f020c6a40eb04f1b4f9ddfbb004ce0">true</a>> <a class="el" href="LoopInfo_8cpp.html#ab42c29f5e9985182169624cb3122aafe">VerifyLoopInfoX</a>("verify-loop-<a class="el" href="LazyValueInfo_8cpp.html#ad7f64bcc544dcefb2e068282af1c549d">info</a>", cl::location(<a class="el" href="LoopInfo_8cpp.html#a1ff80086e715097195d6be22643f75c4">VerifyLoopInfo</a>), <a class="el" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>("Verify loop <a class="el" href="LazyValueInfo_8cpp.html#ad7f64bcc544dcefb2e068282af1c549d">info</a> (time consuming)"))<code> [static]</code></td>
+ </tr>
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+Generated on Fri Dec 21 2012 00:39:31 for <a href="http://llvm.org/">LLVM</a> by
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--- www-releases/trunk/3.2/docs/doxygen/html/LoopInfo_8h.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/LoopInfo_8h.html Fri Dec 21 00:57:24 2012
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+<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
+<meta name="keywords" content="LLVM,Low Level Virtual Machine,C++,doxygen,API,documentation"/>
+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: LoopInfo.h File Reference</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
+<p class="title">LLVM API Documentation</p>
+<!-- Generated by Doxygen 1.7.5.1 -->
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+ <li><a href="index.html"><span>Main Page</span></a></li>
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+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
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+ <li class="navelem"><a class="el" href="dir_a884da034f1b4859d4f2a35ae0ac2045.html">Analysis</a> </li>
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+ <div class="headertitle">
+<div class="title">LoopInfo.h File Reference</div> </div>
+</div>
+<div class="contents">
+<div class="textblock"><code>#include "<a class="el" href="Pass_8h_source.html">llvm/Pass.h</a>"</code><br/>
+<code>#include "<a class="el" href="DenseMap_8h_source.html">llvm/ADT/DenseMap.h</a>"</code><br/>
+<code>#include "<a class="el" href="DenseSet_8h_source.html">llvm/ADT/DenseSet.h</a>"</code><br/>
+<code>#include "<a class="el" href="DepthFirstIterator_8h_source.html">llvm/ADT/DepthFirstIterator.h</a>"</code><br/>
+<code>#include "<a class="el" href="GraphTraits_8h_source.html">llvm/ADT/GraphTraits.h</a>"</code><br/>
+<code>#include "<a class="el" href="SmallVector_8h_source.html">llvm/ADT/SmallVector.h</a>"</code><br/>
+<code>#include "<a class="el" href="STLExtras_8h_source.html">llvm/ADT/STLExtras.h</a>"</code><br/>
+<code>#include "<a class="el" href="Dominators_8h_source.html">llvm/Analysis/Dominators.h</a>"</code><br/>
+<code>#include "<a class="el" href="CFG_8h_source.html">llvm/Support/CFG.h</a>"</code><br/>
+<code>#include "<a class="el" href="raw__ostream_8h_source.html">llvm/Support/raw_ostream.h</a>"</code><br/>
+<code>#include <algorithm></code><br/>
+<code>#include <map></code><br/>
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+Include dependency graph for LoopInfo.h:</div>
+<div class="dyncontent">
+<div class="center"><img src="LoopInfo_8h__incl.png" border="0" usemap="#LoopInfo_8h" alt=""/></div>
+<!-- MAP 0 -->
+</div>
+</div><div class="textblock"><div class="dynheader">
+This graph shows which files directly or indirectly include this file:</div>
+<div class="dyncontent">
+<div class="center"><img src="LoopInfo_8h__dep__incl.png" border="0" usemap="#LoopInfo_8hdep" alt=""/></div>
+<!-- MAP 1 -->
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+</div>
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+<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classllvm_1_1Loop.html">llvm::Loop</a></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classllvm_1_1LoopInfoBase.html">llvm::LoopInfoBase< BlockT, LoopT ></a></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classllvm_1_1LoopInfo.html">llvm::LoopInfo</a></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structllvm_1_1GraphTraits_3_01const_01Loop_01_5_01_4.html">llvm::GraphTraits< const Loop * ></a></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structllvm_1_1GraphTraits_3_01Loop_01_5_01_4.html">llvm::GraphTraits< Loop * ></a></td></tr>
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+<tr><td class="memItemLeft" align="right" valign="top">namespace </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacellvm.html">llvm</a></td></tr>
+<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>List of target independent CodeGen pass IDs. </p>
+<br/></td></tr>
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+Functions</h2></td></tr>
+<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
+<tr><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacellvm.html#a16de6ac478d8738ea0e98ca136049e4a">llvm::RemoveFromVector</a> (std::vector< T * > &V, T *N)</td></tr>
+<tr><td class="memTemplParams" colspan="2">template<class BlockT , class LoopT > </td></tr>
+<tr><td class="memTemplItemLeft" align="right" valign="top">raw_ostream & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacellvm.html#a53de7c9afe89c60529a5c45ca25d11fb">llvm::operator<<</a> (raw_ostream &OS, const LoopBase< BlockT, LoopT > &Loop)</td></tr>
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+Generated on Fri Dec 21 2012 00:39:31 for <a href="http://llvm.org/">LLVM</a> by
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+<title>LLVM: LoopPass.h File Reference</title>
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+<div class="title">LoopPass.h File Reference</div> </div>
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+<div class="textblock"><code>#include "<a class="el" href="LoopInfo_8h_source.html">llvm/Analysis/LoopInfo.h</a>"</code><br/>
+<code>#include "<a class="el" href="Pass_8h_source.html">llvm/Pass.h</a>"</code><br/>
+<code>#include "<a class="el" href="PassManagers_8h_source.html">llvm/PassManagers.h</a>"</code><br/>
+<code>#include "<a class="el" href="Function_8h_source.html">llvm/Function.h</a>"</code><br/>
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+</div><div class="textblock"><div class="dynheader">
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+<div class="center"><img src="LoopPass_8h__incl.png" border="0" usemap="#LoopPass_8h" alt=""/></div>
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+<title>LLVM: LoopUnrollPass.cpp File Reference</title>
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+<p class="title">LLVM API Documentation</p>
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+ <div class="headertitle">
+<div class="title">LoopUnrollPass.cpp File Reference</div> </div>
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+<div class="textblock"><code>#include "<a class="el" href="IntrinsicInst_8h_source.html">llvm/IntrinsicInst.h</a>"</code><br/>
+<code>#include "<a class="el" href="Transforms_2Scalar_8h_source.html">llvm/Transforms/Scalar.h</a>"</code><br/>
+<code>#include "<a class="el" href="LoopPass_8h_source.html">llvm/Analysis/LoopPass.h</a>"</code><br/>
+<code>#include "<a class="el" href="CodeMetrics_8h_source.html">llvm/Analysis/CodeMetrics.h</a>"</code><br/>
+<code>#include "<a class="el" href="ScalarEvolution_8h_source.html">llvm/Analysis/ScalarEvolution.h</a>"</code><br/>
+<code>#include "<a class="el" href="CommandLine_8h_source.html">llvm/Support/CommandLine.h</a>"</code><br/>
+<code>#include "<a class="el" href="Debug_8h_source.html">llvm/Support/Debug.h</a>"</code><br/>
+<code>#include "<a class="el" href="raw__ostream_8h_source.html">llvm/Support/raw_ostream.h</a>"</code><br/>
+<code>#include "<a class="el" href="UnrollLoop_8h_source.html">llvm/Transforms/Utils/UnrollLoop.h</a>"</code><br/>
+<code>#include "<a class="el" href="DataLayout_8h_source.html">llvm/DataLayout.h</a>"</code><br/>
+<code>#include <climits></code><br/>
+</div><div class="textblock"><div class="dynheader">
+Include dependency graph for LoopUnrollPass.cpp:</div>
+<div class="dyncontent">
+<div class="center"><img src="LoopUnrollPass_8cpp__incl.png" border="0" usemap="#LoopUnrollPass_8cpp" alt=""/></div>
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+<p><a href="LoopUnrollPass_8cpp_source.html">Go to the source code of this file.</a></p>
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+<tr><td colspan="2"><h2><a name="define-members"></a>
+Defines</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="LoopUnrollPass_8cpp.html#ad78e062f62e0d6e453941fb4ca843e4d">DEBUG_TYPE</a> "loop-unroll"</td></tr>
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+Functions</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classunsigned.html">unsigned</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="LoopUnrollPass_8cpp.html#a2dc020f00f228d1d514b64a152812c00">ApproximateLoopSize</a> (const <a class="el" href="classllvm_1_1Loop.html">Loop</a> *L, <a class="el" href="classunsigned.html">unsigned</a> &NumCalls, const <a class="el" href="classllvm_1_1DataLayout.html">DataLayout</a> *TD)</td></tr>
+<tr><td class="mdescLeft"> </td><td class="mdescRight">ApproximateLoopSize - Approximate the size of the loop. <a href="#a2dc020f00f228d1d514b64a152812c00"></a><br/></td></tr>
+<tr><td colspan="2"><h2><a name="var-members"></a>
+Variables</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classllvm_1_1cl_1_1opt.html">cl::opt</a>< <a class="el" href="classunsigned.html">unsigned</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="LoopUnrollPass_8cpp.html#adf163d64a72a9f2b1555b7c605d75a83">UnrollThreshold</a> ("unroll-threshold", cl::init(150), cl::Hidden, <a class="el" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>("The cut-off point for automatic loop unrolling"))</td></tr>
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+</table>
+<hr/><h2>Define Documentation</h2>
+<a class="anchor" id="ad78e062f62e0d6e453941fb4ca843e4d"></a><!-- doxytag: member="LoopUnrollPass.cpp::DEBUG_TYPE" ref="ad78e062f62e0d6e453941fb4ca843e4d" args="" -->
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+ <td class="memname">#define DEBUG_TYPE "loop-unroll"</td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LoopUnrollPass_8cpp_source.html#l00015">15</a> of file <a class="el" href="LoopUnrollPass_8cpp_source.html">LoopUnrollPass.cpp</a>.</p>
+
+</div>
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+<hr/><h2>Function Documentation</h2>
+<a class="anchor" id="a2dc020f00f228d1d514b64a152812c00"></a><!-- doxytag: member="LoopUnrollPass.cpp::ApproximateLoopSize" ref="a2dc020f00f228d1d514b64a152812c00" args="(const Loop *L, unsigned &NumCalls, const DataLayout *TD)" -->
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+ <td class="memname">static <a class="el" href="classunsigned.html">unsigned</a> ApproximateLoopSize </td>
+ <td>(</td>
+ <td class="paramtype">const <a class="el" href="classllvm_1_1Loop.html">Loop</a> * </td>
+ <td class="paramname"><em>L</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype"><a class="el" href="classunsigned.html">unsigned</a> & </td>
+ <td class="paramname"><em>NumCalls</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">const <a class="el" href="classllvm_1_1DataLayout.html">DataLayout</a> * </td>
+ <td class="paramname"><em>TD</em> </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td>)</td>
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+<div class="memdoc">
+
+<p>ApproximateLoopSize - Approximate the size of the loop. </p>
+
+<p>Definition at line <a class="el" href="LoopUnrollPass_8cpp_source.html#l00115">115</a> of file <a class="el" href="LoopUnrollPass_8cpp_source.html">LoopUnrollPass.cpp</a>.</p>
+
+<p>References <a class="el" href="CodeMetrics_8cpp_source.html#l00121">llvm::CodeMetrics::analyzeBasicBlock()</a>, <a class="el" href="LoopInfo_8h_source.html#l00142">llvm::LoopBase< BlockT, LoopT >::block_begin()</a>, <a class="el" href="LoopInfo_8h_source.html#l00143">llvm::LoopBase< BlockT, LoopT >::block_end()</a>, <a class="el" href="ARMBaseInfo_8h_source.html#l00097">llvm::ARM_PROC::I</a>, <a class="el" href="MachineTraceMetrics_8cpp_source.html#l00036">Metrics</a>, <a class="el" href="CodeMetrics_8h_source.html#l00071">llvm::CodeMetrics::NumInlineCandidates</a>, and <a class="el" href="CodeMetrics_8h_source.html#l00056">llvm::CodeMetrics::NumInsts</a>.</p>
+
+</div>
+</div>
+<hr/><h2>Variable Documentation</h2>
+<a class="anchor" id="a70bf3803691d46668d32efe422a3f5c2"></a><!-- doxytag: member="LoopUnrollPass.cpp::UnrollAllowPartial" ref="a70bf3803691d46668d32efe422a3f5c2" args="("unroll-allow-partial", cl::init(false), cl::Hidden, cl::desc("Allows loops to be partially unrolled until ""-unroll-threshold loop size is reached."))" -->
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--- www-releases/trunk/3.2/docs/doxygen/html/LoopVectorize_8cpp_source.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/LoopVectorize_8cpp_source.html Fri Dec 21 00:57:24 2012
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+<title>LLVM: LoopVectorize.cpp Source File</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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+<p class="title">LLVM API Documentation</p>
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+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_74e9364f374e99e3aeab4fae4e196292.html">lib</a> </li>
+ <li class="navelem"><a class="el" href="dir_22ea62e2015f6a823fddac4ac38ba517.html">Transforms</a> </li>
+ <li class="navelem"><a class="el" href="dir_73b33d7e294d2897b9ba5bc94354ca5e.html">Vectorize</a> </li>
+ </ul>
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+<div class="header">
+ <div class="headertitle">
+<div class="title">LoopVectorize.cpp</div> </div>
+</div>
+<div class="contents">
+<a href="LoopVectorize_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===- LoopVectorize.cpp - A Loop Vectorizer ------------------------------===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// This is the LLVM loop vectorizer. This pass modifies 'vectorizable' loops</span>
+<a name="l00011"></a>00011 <span class="comment">// and generates target-independent LLVM-IR. Legalization of the IR is done</span>
+<a name="l00012"></a>00012 <span class="comment">// in the codegen. However, the vectorizes uses (will use) the codegen</span>
+<a name="l00013"></a>00013 <span class="comment">// interfaces to generate IR that is likely to result in an optimal binary.</span>
+<a name="l00014"></a>00014 <span class="comment">//</span>
+<a name="l00015"></a>00015 <span class="comment">// The loop vectorizer combines consecutive loop iteration into a single</span>
+<a name="l00016"></a>00016 <span class="comment">// 'wide' iteration. After this transformation the index is incremented</span>
+<a name="l00017"></a>00017 <span class="comment">// by the SIMD vector width, and not by one.</span>
+<a name="l00018"></a>00018 <span class="comment">//</span>
+<a name="l00019"></a>00019 <span class="comment">// This pass has three parts:</span>
+<a name="l00020"></a>00020 <span class="comment">// 1. The main loop pass that drives the different parts.</span>
+<a name="l00021"></a>00021 <span class="comment">// 2. LoopVectorizationLegality - A unit that checks for the legality</span>
+<a name="l00022"></a>00022 <span class="comment">// of the vectorization.</span>
+<a name="l00023"></a>00023 <span class="comment">// 3. SingleBlockLoopVectorizer - A unit that performs the actual</span>
+<a name="l00024"></a>00024 <span class="comment">// widening of instructions.</span>
+<a name="l00025"></a>00025 <span class="comment">// 4. LoopVectorizationCostModel - A unit that checks for the profitability</span>
+<a name="l00026"></a>00026 <span class="comment">// of vectorization. It decides on the optimal vector width, which</span>
+<a name="l00027"></a>00027 <span class="comment">// can be one, if vectorization is not profitable.</span>
+<a name="l00028"></a>00028 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00029"></a>00029 <span class="comment">//</span>
+<a name="l00030"></a>00030 <span class="comment">// The reduction-variable vectorization is based on the paper:</span>
+<a name="l00031"></a>00031 <span class="comment">// D. Nuzman and R. Henderson. Multi-platform Auto-vectorization.</span>
+<a name="l00032"></a>00032 <span class="comment">//</span>
+<a name="l00033"></a>00033 <span class="comment">// Variable uniformity checks are inspired by:</span>
+<a name="l00034"></a>00034 <span class="comment">// Karrenberg, R. and Hack, S. Whole Function Vectorization.</span>
+<a name="l00035"></a>00035 <span class="comment">//</span>
+<a name="l00036"></a>00036 <span class="comment">// Other ideas/concepts are from:</span>
+<a name="l00037"></a>00037 <span class="comment">// A. Zaks and D. Nuzman. Autovectorization in GCC-two years later.</span>
+<a name="l00038"></a>00038 <span class="comment">//</span>
+<a name="l00039"></a>00039 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00040"></a><a class="code" href="LoopVectorize_8cpp.html#a0eff4a8bccb143ae91e197e6a59d4692">00040</a> <span class="preprocessor">#define LV_NAME "loop-vectorize"</span>
+<a name="l00041"></a><a class="code" href="LoopVectorize_8cpp.html#ad78e062f62e0d6e453941fb4ca843e4d">00041</a> <span class="preprocessor"></span><span class="preprocessor">#define DEBUG_TYPE LV_NAME</span>
+<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="Constants_8h.html">llvm/Constants.h</a>"</span>
+<a name="l00043"></a>00043 <span class="preprocessor">#include "<a class="code" href="DerivedTypes_8h.html">llvm/DerivedTypes.h</a>"</span>
+<a name="l00044"></a>00044 <span class="preprocessor">#include "<a class="code" href="Instructions_8h.html">llvm/Instructions.h</a>"</span>
+<a name="l00045"></a>00045 <span class="preprocessor">#include "<a class="code" href="LLVMContext_8h.html">llvm/LLVMContext.h</a>"</span>
+<a name="l00046"></a>00046 <span class="preprocessor">#include "<a class="code" href="Pass_8h.html">llvm/Pass.h</a>"</span>
+<a name="l00047"></a>00047 <span class="preprocessor">#include "<a class="code" href="LoopPass_8h.html">llvm/Analysis/LoopPass.h</a>"</span>
+<a name="l00048"></a>00048 <span class="preprocessor">#include "<a class="code" href="Value_8h.html">llvm/Value.h</a>"</span>
+<a name="l00049"></a>00049 <span class="preprocessor">#include "<a class="code" href="Function_8h.html">llvm/Function.h</a>"</span>
+<a name="l00050"></a>00050 <span class="preprocessor">#include "<a class="code" href="Verifier_8h.html">llvm/Analysis/Verifier.h</a>"</span>
+<a name="l00051"></a>00051 <span class="preprocessor">#include "<a class="code" href="Module_8h.html">llvm/Module.h</a>"</span>
+<a name="l00052"></a>00052 <span class="preprocessor">#include "<a class="code" href="Type_8h.html">llvm/Type.h</a>"</span>
+<a name="l00053"></a>00053 <span class="preprocessor">#include "<a class="code" href="SmallVector_8h.html">llvm/ADT/SmallVector.h</a>"</span>
+<a name="l00054"></a>00054 <span class="preprocessor">#include "<a class="code" href="StringExtras_8h.html">llvm/ADT/StringExtras.h</a>"</span>
+<a name="l00055"></a>00055 <span class="preprocessor">#include "<a class="code" href="AliasAnalysis_8h.html">llvm/Analysis/AliasAnalysis.h</a>"</span>
+<a name="l00056"></a>00056 <span class="preprocessor">#include "<a class="code" href="AliasSetTracker_8h.html">llvm/Analysis/AliasSetTracker.h</a>"</span>
+<a name="l00057"></a>00057 <span class="preprocessor">#include "<a class="code" href="ScalarEvolution_8h.html">llvm/Analysis/ScalarEvolution.h</a>"</span>
+<a name="l00058"></a>00058 <span class="preprocessor">#include "<a class="code" href="Dominators_8h.html">llvm/Analysis/Dominators.h</a>"</span>
+<a name="l00059"></a>00059 <span class="preprocessor">#include "<a class="code" href="ScalarEvolutionExpressions_8h.html">llvm/Analysis/ScalarEvolutionExpressions.h</a>"</span>
+<a name="l00060"></a>00060 <span class="preprocessor">#include "<a class="code" href="ScalarEvolutionExpander_8h.html">llvm/Analysis/ScalarEvolutionExpander.h</a>"</span>
+<a name="l00061"></a>00061 <span class="preprocessor">#include "<a class="code" href="LoopInfo_8h.html">llvm/Analysis/LoopInfo.h</a>"</span>
+<a name="l00062"></a>00062 <span class="preprocessor">#include "<a class="code" href="ValueTracking_8h.html">llvm/Analysis/ValueTracking.h</a>"</span>
+<a name="l00063"></a>00063 <span class="preprocessor">#include "<a class="code" href="Transforms_2Scalar_8h.html">llvm/Transforms/Scalar.h</a>"</span>
+<a name="l00064"></a>00064 <span class="preprocessor">#include "<a class="code" href="BasicBlockUtils_8h.html">llvm/Transforms/Utils/BasicBlockUtils.h</a>"</span>
+<a name="l00065"></a>00065 <span class="preprocessor">#include "<a class="code" href="TargetTransformInfo_8h.html">llvm/TargetTransformInfo.h</a>"</span>
+<a name="l00066"></a>00066 <span class="preprocessor">#include "<a class="code" href="CommandLine_8h.html">llvm/Support/CommandLine.h</a>"</span>
+<a name="l00067"></a>00067 <span class="preprocessor">#include "<a class="code" href="Debug_8h.html">llvm/Support/Debug.h</a>"</span>
+<a name="l00068"></a>00068 <span class="preprocessor">#include "<a class="code" href="raw__ostream_8h.html">llvm/Support/raw_ostream.h</a>"</span>
+<a name="l00069"></a>00069 <span class="preprocessor">#include "<a class="code" href="DataLayout_8h.html">llvm/DataLayout.h</a>"</span>
+<a name="l00070"></a>00070 <span class="preprocessor">#include "<a class="code" href="Local_8h.html">llvm/Transforms/Utils/Local.h</a>"</span>
+<a name="l00071"></a>00071 <span class="preprocessor">#include <algorithm></span>
+<a name="l00072"></a>00072 <span class="keyword">using namespace </span>llvm;
+<a name="l00073"></a>00073
+<a name="l00074"></a>00074 <span class="keyword">static</span> <a class="code" href="classllvm_1_1cl_1_1opt.html">cl::opt<unsigned></a>
+<a name="l00075"></a>00075 <a class="code" href="LoopVectorize_8cpp.html#a9204bc885c8d4ab574edbab8cb5a6b09">VectorizationFactor</a>(<span class="stringliteral">"force-vector-width"</span>, <a class="code" href="namespacellvm_1_1cl.html#a10a041239ae1870cfcc064bfaa79fb65">cl::init</a>(0), <a class="code" href="namespacellvm_1_1cl.html#a68075925a54790e71ca790e1d4f21a40a263ac008d8d31f13ce460395fc4cf7e6">cl::Hidden</a>,
+<a name="l00076"></a>00076 <a class="code" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>(<span class="stringliteral">"Set the default vectorization width. Zero is autoselect."</span>));
+<a name="l00077"></a>00077 <span class="comment"></span>
+<a name="l00078"></a>00078 <span class="comment">/// We don't vectorize loops with a known constant trip count below this number.</span>
+<a name="l00079"></a><a class="code" href="LoopVectorize_8cpp.html#ad59a718a5efbaeb28e491479d0cad580">00079</a> <span class="comment"></span><span class="keyword">const</span> <span class="keywordtype">unsigned</span> <a class="code" href="LoopVectorize_8cpp.html#ad59a718a5efbaeb28e491479d0cad580" title="We don't vectorize loops with a known constant trip count below this number.">TinyTripCountThreshold</a> = 16;
+<a name="l00080"></a>00080 <span class="comment"></span>
+<a name="l00081"></a>00081 <span class="comment">/// When performing a runtime memory check, do not check more than this</span>
+<a name="l00082"></a>00082 <span class="comment">/// number of pointers. Notice that the check is quadratic!</span>
+<a name="l00083"></a><a class="code" href="LoopVectorize_8cpp.html#a952c05caf05575f974ed5bf7c1cf305f">00083</a> <span class="comment"></span><span class="keyword">const</span> <span class="keywordtype">unsigned</span> <a class="code" href="LoopVectorize_8cpp.html#a952c05caf05575f974ed5bf7c1cf305f">RuntimeMemoryCheckThreshold</a> = 2;
+<a name="l00084"></a>00084
+<a name="l00085"></a>00085 <span class="keyword">namespace </span>{
+<a name="l00086"></a>00086
+<a name="l00087"></a>00087 <span class="comment">// Forward declarations.</span>
+<a name="l00088"></a>00088 <span class="keyword">class </span>LoopVectorizationLegality;
+<a name="l00089"></a>00089 <span class="keyword">class </span>LoopVectorizationCostModel;
+<a name="l00090"></a>00090 <span class="comment"></span>
+<a name="l00091"></a>00091 <span class="comment">/// SingleBlockLoopVectorizer vectorizes loops which contain only one basic</span>
+<a name="l00092"></a>00092 <span class="comment">/// block to a specified vectorization factor (VF).</span>
+<a name="l00093"></a>00093 <span class="comment">/// This class performs the widening of scalars into vectors, or multiple</span>
+<a name="l00094"></a>00094 <span class="comment">/// scalars. This class also implements the following features:</span>
+<a name="l00095"></a>00095 <span class="comment">/// * It inserts an epilogue loop for handling loops that don't have iteration</span>
+<a name="l00096"></a>00096 <span class="comment">/// counts that are known to be a multiple of the vectorization factor.</span>
+<a name="l00097"></a>00097 <span class="comment">/// * It handles the code generation for reduction variables.</span>
+<a name="l00098"></a>00098 <span class="comment">/// * Scalarization (implementation using scalars) of un-vectorizable</span>
+<a name="l00099"></a>00099 <span class="comment">/// instructions.</span>
+<a name="l00100"></a>00100 <span class="comment">/// SingleBlockLoopVectorizer does not perform any vectorization-legality</span>
+<a name="l00101"></a>00101 <span class="comment">/// checks, and relies on the caller to check for the different legality</span>
+<a name="l00102"></a>00102 <span class="comment">/// aspects. The SingleBlockLoopVectorizer relies on the</span>
+<a name="l00103"></a>00103 <span class="comment">/// LoopVectorizationLegality class to provide information about the induction</span>
+<a name="l00104"></a>00104 <span class="comment">/// and reduction variables that were found to a given vectorization factor.</span>
+<a name="l00105"></a>00105 <span class="comment"></span><span class="keyword">class </span>SingleBlockLoopVectorizer {
+<a name="l00106"></a>00106 <span class="keyword">public</span>:<span class="comment"></span>
+<a name="l00107"></a>00107 <span class="comment"> /// Ctor.</span>
+<a name="l00108"></a>00108 <span class="comment"></span> SingleBlockLoopVectorizer(<a class="code" href="classllvm_1_1Loop.html">Loop</a> *Orig, <a class="code" href="classllvm_1_1ScalarEvolution.html">ScalarEvolution</a> *Se, <a class="code" href="classllvm_1_1LoopInfo.html">LoopInfo</a> *Li,
+<a name="l00109"></a>00109 <a class="code" href="classllvm_1_1DominatorTree.html">DominatorTree</a> *dt, <a class="code" href="classllvm_1_1LPPassManager.html">LPPassManager</a> *Lpm,
+<a name="l00110"></a>00110 <span class="keywordtype">unsigned</span> VecWidth):
+<a name="l00111"></a>00111 OrigLoop(Orig), SE(Se), <a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>(Li), DT(dt), LPM(Lpm), VF(VecWidth),
+<a name="l00112"></a>00112 Builder(Se-><a class="code" href="classllvm_1_1ScalarEvolution.html#aa89f44fd7549e81b02f2be1be894f098">getContext</a>()), Induction(0), OldInduction(0) { }
+<a name="l00113"></a>00113
+<a name="l00114"></a>00114 <span class="comment">// Perform the actual loop widening (vectorization).</span>
+<a name="l00115"></a>00115 <span class="keywordtype">void</span> vectorize(LoopVectorizationLegality *Legal) {<span class="comment"></span>
+<a name="l00116"></a>00116 <span class="comment"> ///Create a new empty loop. Unlink the old loop and connect the new one.</span>
+<a name="l00117"></a>00117 <span class="comment"></span> createEmptyLoop(Legal);<span class="comment"></span>
+<a name="l00118"></a>00118 <span class="comment"> /// Widen each instruction in the old loop to a new one in the new loop.</span>
+<a name="l00119"></a>00119 <span class="comment"> /// Use the Legality module to find the induction and reduction variables.</span>
+<a name="l00120"></a>00120 <span class="comment"></span> vectorizeLoop(Legal);
+<a name="l00121"></a>00121 <span class="comment">// Register the new loop and update the analysis passes.</span>
+<a name="l00122"></a>00122 updateAnalysis();
+<a name="l00123"></a>00123 }
+<a name="l00124"></a>00124
+<a name="l00125"></a>00125 <span class="keyword">private</span>:<span class="comment"></span>
+<a name="l00126"></a>00126 <span class="comment"> /// Create an empty loop, based on the loop ranges of the old loop.</span>
+<a name="l00127"></a>00127 <span class="comment"></span> <span class="keywordtype">void</span> createEmptyLoop(LoopVectorizationLegality *Legal);<span class="comment"></span>
+<a name="l00128"></a>00128 <span class="comment"> /// Copy and widen the instructions from the old loop.</span>
+<a name="l00129"></a>00129 <span class="comment"></span> <span class="keywordtype">void</span> vectorizeLoop(LoopVectorizationLegality *Legal);<span class="comment"></span>
+<a name="l00130"></a>00130 <span class="comment"> /// Insert the new loop to the loop hierarchy and pass manager</span>
+<a name="l00131"></a>00131 <span class="comment"> /// and update the analysis passes.</span>
+<a name="l00132"></a>00132 <span class="comment"></span> <span class="keywordtype">void</span> updateAnalysis();
+<a name="l00133"></a>00133 <span class="comment"></span>
+<a name="l00134"></a>00134 <span class="comment"> /// This instruction is un-vectorizable. Implement it as a sequence</span>
+<a name="l00135"></a>00135 <span class="comment"> /// of scalars.</span>
+<a name="l00136"></a>00136 <span class="comment"></span> <span class="keywordtype">void</span> scalarizeInstruction(<a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *Instr);
+<a name="l00137"></a>00137 <span class="comment"></span>
+<a name="l00138"></a>00138 <span class="comment"> /// Create a broadcast instruction. This method generates a broadcast</span>
+<a name="l00139"></a>00139 <span class="comment"> /// instruction (shuffle) for loop invariant values and for the induction</span>
+<a name="l00140"></a>00140 <span class="comment"> /// value. If this is the induction variable then we extend it to N, N+1, ...</span>
+<a name="l00141"></a>00141 <span class="comment"> /// this is needed because each iteration in the loop corresponds to a SIMD</span>
+<a name="l00142"></a>00142 <span class="comment"> /// element.</span>
+<a name="l00143"></a>00143 <span class="comment"></span> <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *getBroadcastInstrs(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *V);
+<a name="l00144"></a>00144 <span class="comment"></span>
+<a name="l00145"></a>00145 <span class="comment"> /// This is a helper function used by getBroadcastInstrs. It adds 0, 1, 2 ..</span>
+<a name="l00146"></a>00146 <span class="comment"> /// for each element in the vector. Starting from zero.</span>
+<a name="l00147"></a>00147 <span class="comment"></span> <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *getConsecutiveVector(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a>* Val);
+<a name="l00148"></a>00148 <span class="comment"></span>
+<a name="l00149"></a>00149 <span class="comment"> /// When we go over instructions in the basic block we rely on previous</span>
+<a name="l00150"></a>00150 <span class="comment"> /// values within the current basic block or on loop invariant values.</span>
+<a name="l00151"></a>00151 <span class="comment"> /// When we widen (vectorize) values we place them in the map. If the values</span>
+<a name="l00152"></a>00152 <span class="comment"> /// are not within the map, they have to be loop invariant, so we simply</span>
+<a name="l00153"></a>00153 <span class="comment"> /// broadcast them into a vector.</span>
+<a name="l00154"></a>00154 <span class="comment"></span> <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *getVectorValue(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *V);
+<a name="l00155"></a>00155 <span class="comment"></span>
+<a name="l00156"></a>00156 <span class="comment"> /// Get a uniform vector of constant integers. We use this to get</span>
+<a name="l00157"></a>00157 <span class="comment"> /// vectors of ones and zeros for the reduction code.</span>
+<a name="l00158"></a>00158 <span class="comment"></span> <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a>* getUniformVector(<span class="keywordtype">unsigned</span> Val, <a class="code" href="classllvm_1_1Type.html">Type</a>* ScalarTy);
+<a name="l00159"></a>00159
+<a name="l00160"></a>00160 <span class="keyword">typedef</span> <a class="code" href="classllvm_1_1DenseMap.html">DenseMap<Value*, Value*></a> <a class="code" href="classllvm_1_1ValueMap.html" title="See the file comment.">ValueMap</a>;
+<a name="l00161"></a>00161 <span class="comment"></span>
+<a name="l00162"></a>00162 <span class="comment"> /// The original loop.</span>
+<a name="l00163"></a>00163 <span class="comment"></span> <a class="code" href="classllvm_1_1Loop.html">Loop</a> *OrigLoop;
+<a name="l00164"></a>00164 <span class="comment">// Scev analysis to use.</span>
+<a name="l00165"></a>00165 <a class="code" href="classllvm_1_1ScalarEvolution.html">ScalarEvolution</a> *SE;
+<a name="l00166"></a>00166 <span class="comment">// Loop Info.</span>
+<a name="l00167"></a>00167 <a class="code" href="classllvm_1_1LoopInfo.html">LoopInfo</a> *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>;
+<a name="l00168"></a>00168 <span class="comment">// Dominator Tree.</span>
+<a name="l00169"></a>00169 <a class="code" href="classllvm_1_1DominatorTree.html">DominatorTree</a> *DT;
+<a name="l00170"></a>00170 <span class="comment">// Loop Pass Manager;</span>
+<a name="l00171"></a>00171 <a class="code" href="classllvm_1_1LPPassManager.html">LPPassManager</a> *LPM;
+<a name="l00172"></a>00172 <span class="comment">// The vectorization factor to use.</span>
+<a name="l00173"></a>00173 <span class="keywordtype">unsigned</span> VF;
+<a name="l00174"></a>00174
+<a name="l00175"></a>00175 <span class="comment">// The builder that we use</span>
+<a name="l00176"></a>00176 <a class="code" href="classllvm_1_1IRBuilder.html">IRBuilder<></a> Builder;
+<a name="l00177"></a>00177
+<a name="l00178"></a>00178 <span class="comment">// --- Vectorization state ---</span>
+<a name="l00179"></a>00179 <span class="comment"></span>
+<a name="l00180"></a>00180 <span class="comment"> /// The vector-loop preheader.</span>
+<a name="l00181"></a>00181 <span class="comment"></span> <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *LoopVectorPreHeader;<span class="comment"></span>
+<a name="l00182"></a>00182 <span class="comment"> /// The scalar-loop preheader.</span>
+<a name="l00183"></a>00183 <span class="comment"></span> <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *LoopScalarPreHeader;<span class="comment"></span>
+<a name="l00184"></a>00184 <span class="comment"> /// Middle Block between the vector and the scalar.</span>
+<a name="l00185"></a>00185 <span class="comment"></span> <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *LoopMiddleBlock;<span class="comment"></span>
+<a name="l00186"></a>00186 <span class="comment"> ///The ExitBlock of the scalar loop.</span>
+<a name="l00187"></a>00187 <span class="comment"></span> <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *LoopExitBlock;<span class="comment"></span>
+<a name="l00188"></a>00188 <span class="comment"> ///The vector loop body.</span>
+<a name="l00189"></a>00189 <span class="comment"></span> <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *LoopVectorBody;<span class="comment"></span>
+<a name="l00190"></a>00190 <span class="comment"> ///The scalar loop body.</span>
+<a name="l00191"></a>00191 <span class="comment"></span> <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *LoopScalarBody;<span class="comment"></span>
+<a name="l00192"></a>00192 <span class="comment"> ///The first bypass block.</span>
+<a name="l00193"></a>00193 <span class="comment"></span> <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *LoopBypassBlock;
+<a name="l00194"></a>00194 <span class="comment"></span>
+<a name="l00195"></a>00195 <span class="comment"> /// The new Induction variable which was added to the new block.</span>
+<a name="l00196"></a>00196 <span class="comment"></span> <a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *Induction;<span class="comment"></span>
+<a name="l00197"></a>00197 <span class="comment"> /// The induction variable of the old basic block.</span>
+<a name="l00198"></a>00198 <span class="comment"></span> <a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *OldInduction;
+<a name="l00199"></a>00199 <span class="comment">// Maps scalars to widened vectors.</span>
+<a name="l00200"></a>00200 <a class="code" href="classllvm_1_1ValueMap.html" title="See the file comment.">ValueMap</a> WidenMap;
+<a name="l00201"></a>00201 };
+<a name="l00202"></a>00202 <span class="comment"></span>
+<a name="l00203"></a>00203 <span class="comment">/// LoopVectorizationLegality checks if it is legal to vectorize a loop, and</span>
+<a name="l00204"></a>00204 <span class="comment">/// to what vectorization factor.</span>
+<a name="l00205"></a>00205 <span class="comment">/// This class does not look at the profitability of vectorization, only the</span>
+<a name="l00206"></a>00206 <span class="comment">/// legality. This class has two main kinds of checks:</span>
+<a name="l00207"></a>00207 <span class="comment">/// * Memory checks - The code in canVectorizeMemory checks if vectorization</span>
+<a name="l00208"></a>00208 <span class="comment">/// will change the order of memory accesses in a way that will change the</span>
+<a name="l00209"></a>00209 <span class="comment">/// correctness of the program.</span>
+<a name="l00210"></a>00210 <span class="comment">/// * Scalars checks - The code in canVectorizeBlock checks for a number</span>
+<a name="l00211"></a>00211 <span class="comment">/// of different conditions, such as the availability of a single induction</span>
+<a name="l00212"></a>00212 <span class="comment">/// variable, that all types are supported and vectorize-able, etc.</span>
+<a name="l00213"></a>00213 <span class="comment">/// This code reflects the capabilities of SingleBlockLoopVectorizer.</span>
+<a name="l00214"></a>00214 <span class="comment">/// This class is also used by SingleBlockLoopVectorizer for identifying</span>
+<a name="l00215"></a>00215 <span class="comment">/// induction variable and the different reduction variables.</span>
+<a name="l00216"></a>00216 <span class="comment"></span><span class="keyword">class </span>LoopVectorizationLegality {
+<a name="l00217"></a>00217 <span class="keyword">public</span>:
+<a name="l00218"></a>00218 LoopVectorizationLegality(<a class="code" href="classllvm_1_1Loop.html">Loop</a> *Lp, <a class="code" href="classllvm_1_1ScalarEvolution.html">ScalarEvolution</a> *Se, <a class="code" href="classllvm_1_1DataLayout.html">DataLayout</a> *Dl):
+<a name="l00219"></a>00219 TheLoop(Lp), SE(Se), DL(Dl), Induction(0) { }
+<a name="l00220"></a>00220 <span class="comment"></span>
+<a name="l00221"></a>00221 <span class="comment"> /// This represents the kinds of reductions that we support.</span>
+<a name="l00222"></a>00222 <span class="comment"></span> <span class="keyword">enum</span> ReductionKind {
+<a name="l00223"></a>00223 NoReduction, <span class="comment">/// Not a reduction.</span>
+<a name="l00224"></a>00224 <span class="comment"></span> IntegerAdd, <span class="comment">/// Sum of numbers.</span>
+<a name="l00225"></a>00225 <span class="comment"></span> IntegerMult, <span class="comment">/// Product of numbers.</span>
+<a name="l00226"></a>00226 <span class="comment"></span> IntegerOr, <span class="comment">/// Bitwise or logical OR of numbers.</span>
+<a name="l00227"></a>00227 <span class="comment"></span> IntegerAnd, <span class="comment">/// Bitwise or logical AND of numbers.</span>
+<a name="l00228"></a>00228 <span class="comment"></span> IntegerXor <span class="comment">/// Bitwise or logical XOR of numbers.</span>
+<a name="l00229"></a>00229 <span class="comment"></span> };
+<a name="l00230"></a>00230 <span class="comment"></span>
+<a name="l00231"></a>00231 <span class="comment"> /// This POD struct holds information about reduction variables.</span>
+<a name="l00232"></a>00232 <span class="comment"></span> <span class="keyword">struct </span>ReductionDescriptor {
+<a name="l00233"></a>00233 <span class="comment">// Default C'tor</span>
+<a name="l00234"></a>00234 ReductionDescriptor():
+<a name="l00235"></a>00235 StartValue(0), LoopExitInstr(0), <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a>(NoReduction) {}
+<a name="l00236"></a>00236
+<a name="l00237"></a>00237 <span class="comment">// C'tor.</span>
+<a name="l00238"></a>00238 ReductionDescriptor(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Start, <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *Exit, ReductionKind K):
+<a name="l00239"></a>00239 StartValue(Start), LoopExitInstr(Exit), <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a>(K) {}
+<a name="l00240"></a>00240
+<a name="l00241"></a>00241 <span class="comment">// The starting value of the reduction.</span>
+<a name="l00242"></a>00242 <span class="comment">// It does not have to be zero!</span>
+<a name="l00243"></a>00243 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *StartValue;
+<a name="l00244"></a>00244 <span class="comment">// The instruction who's value is used outside the loop.</span>
+<a name="l00245"></a>00245 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *LoopExitInstr;
+<a name="l00246"></a>00246 <span class="comment">// The kind of the reduction.</span>
+<a name="l00247"></a>00247 ReductionKind <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a>;
+<a name="l00248"></a>00248 };
+<a name="l00249"></a>00249
+<a name="l00250"></a>00250 <span class="comment">// This POD struct holds information about the memory runtime legality</span>
+<a name="l00251"></a>00251 <span class="comment">// check that a group of pointers do not overlap.</span>
+<a name="l00252"></a>00252 <span class="keyword">struct </span>RuntimePointerCheck {<span class="comment"></span>
+<a name="l00253"></a>00253 <span class="comment"> /// This flag indicates if we need to add the runtime check.</span>
+<a name="l00254"></a>00254 <span class="comment"></span> <span class="keywordtype">bool</span> Need;<span class="comment"></span>
+<a name="l00255"></a>00255 <span class="comment"> /// Holds the pointers that we need to check.</span>
+<a name="l00256"></a>00256 <span class="comment"></span> <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<Value*, 2></a> Pointers;
+<a name="l00257"></a>00257 };
+<a name="l00258"></a>00258 <span class="comment"></span>
+<a name="l00259"></a>00259 <span class="comment"> /// ReductionList contains the reduction descriptors for all</span>
+<a name="l00260"></a>00260 <span class="comment"> /// of the reductions that were found in the loop.</span>
+<a name="l00261"></a>00261 <span class="comment"></span> <span class="keyword">typedef</span> <a class="code" href="classllvm_1_1DenseMap.html">DenseMap<PHINode*, ReductionDescriptor></a> ReductionList;
+<a name="l00262"></a>00262 <span class="comment"></span>
+<a name="l00263"></a>00263 <span class="comment"> /// Returns true if it is legal to vectorize this loop.</span>
+<a name="l00264"></a>00264 <span class="comment"> /// This does not mean that it is profitable to vectorize this</span>
+<a name="l00265"></a>00265 <span class="comment"> /// loop, only that it is legal to do so.</span>
+<a name="l00266"></a>00266 <span class="comment"></span> <span class="keywordtype">bool</span> canVectorize();
+<a name="l00267"></a>00267 <span class="comment"></span>
+<a name="l00268"></a>00268 <span class="comment"> /// Returns the Induction variable.</span>
+<a name="l00269"></a>00269 <span class="comment"></span> <a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *getInduction() {<span class="keywordflow">return</span> Induction;}
+<a name="l00270"></a>00270 <span class="comment"></span>
+<a name="l00271"></a>00271 <span class="comment"> /// Returns the reduction variables found in the loop.</span>
+<a name="l00272"></a>00272 <span class="comment"></span> ReductionList *getReductionVars() { <span class="keywordflow">return</span> &Reductions; }
+<a name="l00273"></a>00273 <span class="comment"></span>
+<a name="l00274"></a>00274 <span class="comment"> /// Check if the pointer returned by this GEP is consecutive</span>
+<a name="l00275"></a>00275 <span class="comment"> /// when the index is vectorized. This happens when the last</span>
+<a name="l00276"></a>00276 <span class="comment"> /// index of the GEP is consecutive, like the induction variable.</span>
+<a name="l00277"></a>00277 <span class="comment"> /// This check allows us to vectorize A[idx] into a wide load/store.</span>
+<a name="l00278"></a>00278 <span class="comment"></span> <span class="keywordtype">bool</span> isConsecutiveGep(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Ptr);
+<a name="l00279"></a>00279 <span class="comment"></span>
+<a name="l00280"></a>00280 <span class="comment"> /// Returns true if the value V is uniform within the loop.</span>
+<a name="l00281"></a>00281 <span class="comment"></span> <span class="keywordtype">bool</span> isUniform(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *V);
+<a name="l00282"></a>00282 <span class="comment"></span>
+<a name="l00283"></a>00283 <span class="comment"> /// Returns true if this instruction will remain scalar after vectorization.</span>
+<a name="l00284"></a>00284 <span class="comment"></span> <span class="keywordtype">bool</span> isUniformAfterVectorization(<a class="code" href="classllvm_1_1Instruction.html">Instruction</a>* <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>) {<span class="keywordflow">return</span> Uniforms.count(I);}
+<a name="l00285"></a>00285 <span class="comment"></span>
+<a name="l00286"></a>00286 <span class="comment"> /// Returns the information that we collected about runtime memory check.</span>
+<a name="l00287"></a>00287 <span class="comment"></span> RuntimePointerCheck *getRuntimePointerCheck() {<span class="keywordflow">return</span> &PtrRtCheck; }
+<a name="l00288"></a>00288 <span class="keyword">private</span>:<span class="comment"></span>
+<a name="l00289"></a>00289 <span class="comment"> /// Check if a single basic block loop is vectorizable.</span>
+<a name="l00290"></a>00290 <span class="comment"> /// At this point we know that this is a loop with a constant trip count</span>
+<a name="l00291"></a>00291 <span class="comment"> /// and we only need to check individual instructions.</span>
+<a name="l00292"></a>00292 <span class="comment"></span> <span class="keywordtype">bool</span> canVectorizeBlock(<a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> &BB);
+<a name="l00293"></a>00293 <span class="comment"></span>
+<a name="l00294"></a>00294 <span class="comment"> /// When we vectorize loops we may change the order in which</span>
+<a name="l00295"></a>00295 <span class="comment"> /// we read and write from memory. This method checks if it is</span>
+<a name="l00296"></a>00296 <span class="comment"> /// legal to vectorize the code, considering only memory constrains.</span>
+<a name="l00297"></a>00297 <span class="comment"> /// Returns true if BB is vectorizable</span>
+<a name="l00298"></a>00298 <span class="comment"></span> <span class="keywordtype">bool</span> canVectorizeMemory(<a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> &BB);
+<a name="l00299"></a>00299 <span class="comment"></span>
+<a name="l00300"></a>00300 <span class="comment"> /// Returns True, if 'Phi' is the kind of reduction variable for type</span>
+<a name="l00301"></a>00301 <span class="comment"> /// 'Kind'. If this is a reduction variable, it adds it to ReductionList.</span>
+<a name="l00302"></a>00302 <span class="comment"></span> <span class="keywordtype">bool</span> AddReductionVar(<a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *Phi, ReductionKind <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a>);<span class="comment"></span>
+<a name="l00303"></a>00303 <span class="comment"> /// Returns true if the instruction I can be a reduction variable of type</span>
+<a name="l00304"></a>00304 <span class="comment"> /// 'Kind'.</span>
+<a name="l00305"></a>00305 <span class="comment"></span> <span class="keywordtype">bool</span> isReductionInstr(<a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *I, ReductionKind Kind);<span class="comment"></span>
+<a name="l00306"></a>00306 <span class="comment"> /// Returns True, if 'Phi' is an induction variable.</span>
+<a name="l00307"></a>00307 <span class="comment"></span> <span class="keywordtype">bool</span> isInductionVariable(<a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *Phi);<span class="comment"></span>
+<a name="l00308"></a>00308 <span class="comment"> /// Return true if can compute the address bounds of Ptr within the loop.</span>
+<a name="l00309"></a>00309 <span class="comment"></span> <span class="keywordtype">bool</span> hasComputableBounds(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Ptr);
+<a name="l00310"></a>00310 <span class="comment"></span>
+<a name="l00311"></a>00311 <span class="comment"> /// The loop that we evaluate.</span>
+<a name="l00312"></a>00312 <span class="comment"></span> <a class="code" href="classllvm_1_1Loop.html">Loop</a> *TheLoop;<span class="comment"></span>
+<a name="l00313"></a>00313 <span class="comment"> /// Scev analysis.</span>
+<a name="l00314"></a>00314 <span class="comment"></span> <a class="code" href="classllvm_1_1ScalarEvolution.html">ScalarEvolution</a> *SE;<span class="comment"></span>
+<a name="l00315"></a>00315 <span class="comment"> /// DataLayout analysis.</span>
+<a name="l00316"></a>00316 <span class="comment"></span> <a class="code" href="classllvm_1_1DataLayout.html">DataLayout</a> *DL;
+<a name="l00317"></a>00317
+<a name="l00318"></a>00318 <span class="comment">// --- vectorization state --- //</span>
+<a name="l00319"></a>00319 <span class="comment"></span>
+<a name="l00320"></a>00320 <span class="comment"> /// Holds the induction variable.</span>
+<a name="l00321"></a>00321 <span class="comment"></span> <a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *Induction;<span class="comment"></span>
+<a name="l00322"></a>00322 <span class="comment"> /// Holds the reduction variables.</span>
+<a name="l00323"></a>00323 <span class="comment"></span> ReductionList Reductions;<span class="comment"></span>
+<a name="l00324"></a>00324 <span class="comment"> /// Allowed outside users. This holds the reduction</span>
+<a name="l00325"></a>00325 <span class="comment"> /// vars which can be accessed from outside the loop.</span>
+<a name="l00326"></a>00326 <span class="comment"></span> <a class="code" href="classllvm_1_1SmallPtrSet.html">SmallPtrSet<Value*, 4></a> AllowedExit;<span class="comment"></span>
+<a name="l00327"></a>00327 <span class="comment"> /// This set holds the variables which are known to be uniform after</span>
+<a name="l00328"></a>00328 <span class="comment"> /// vectorization.</span>
+<a name="l00329"></a>00329 <span class="comment"></span> <a class="code" href="classllvm_1_1SmallPtrSet.html">SmallPtrSet<Instruction*, 4></a> Uniforms;<span class="comment"></span>
+<a name="l00330"></a>00330 <span class="comment"> /// We need to check that all of the pointers in this list are disjoint</span>
+<a name="l00331"></a>00331 <span class="comment"> /// at runtime.</span>
+<a name="l00332"></a>00332 <span class="comment"></span> RuntimePointerCheck PtrRtCheck;
+<a name="l00333"></a>00333 };
+<a name="l00334"></a>00334 <span class="comment"></span>
+<a name="l00335"></a>00335 <span class="comment">/// LoopVectorizationCostModel - estimates the expected speedups due to</span>
+<a name="l00336"></a>00336 <span class="comment">/// vectorization.</span>
+<a name="l00337"></a>00337 <span class="comment">/// In many cases vectorization is not profitable. This can happen because</span>
+<a name="l00338"></a>00338 <span class="comment">/// of a number of reasons. In this class we mainly attempt to predict</span>
+<a name="l00339"></a>00339 <span class="comment">/// the expected speedup/slowdowns due to the supported instruction set.</span>
+<a name="l00340"></a>00340 <span class="comment">/// We use the VectorTargetTransformInfo to query the different backends</span>
+<a name="l00341"></a>00341 <span class="comment">/// for the cost of different operations.</span>
+<a name="l00342"></a>00342 <span class="comment"></span><span class="keyword">class </span>LoopVectorizationCostModel {
+<a name="l00343"></a>00343 <span class="keyword">public</span>:<span class="comment"></span>
+<a name="l00344"></a>00344 <span class="comment"> /// C'tor.</span>
+<a name="l00345"></a>00345 <span class="comment"></span> LoopVectorizationCostModel(<a class="code" href="classllvm_1_1Loop.html">Loop</a> *Lp, <a class="code" href="classllvm_1_1ScalarEvolution.html">ScalarEvolution</a> *Se,
+<a name="l00346"></a>00346 LoopVectorizationLegality *Leg,
+<a name="l00347"></a>00347 <span class="keyword">const</span> <a class="code" href="classllvm_1_1VectorTargetTransformInfo.html">VectorTargetTransformInfo</a> *Vtti):
+<a name="l00348"></a>00348 TheLoop(Lp), SE(Se), Legal(Leg), VTTI(Vtti) { }
+<a name="l00349"></a>00349 <span class="comment"></span>
+<a name="l00350"></a>00350 <span class="comment"> /// Returns the most profitable vectorization factor for the loop that is</span>
+<a name="l00351"></a>00351 <span class="comment"> /// smaller or equal to the VF argument. This method checks every power</span>
+<a name="l00352"></a>00352 <span class="comment"> /// of two up to VF.</span>
+<a name="l00353"></a>00353 <span class="comment"></span> <span class="keywordtype">unsigned</span> findBestVectorizationFactor(<span class="keywordtype">unsigned</span> VF = 8);
+<a name="l00354"></a>00354
+<a name="l00355"></a>00355 <span class="keyword">private</span>:<span class="comment"></span>
+<a name="l00356"></a>00356 <span class="comment"> /// Returns the expected execution cost. The unit of the cost does</span>
+<a name="l00357"></a>00357 <span class="comment"> /// not matter because we use the 'cost' units to compare different</span>
+<a name="l00358"></a>00358 <span class="comment"> /// vector widths. The cost that is returned is *not* normalized by</span>
+<a name="l00359"></a>00359 <span class="comment"> /// the factor width.</span>
+<a name="l00360"></a>00360 <span class="comment"></span> <span class="keywordtype">unsigned</span> expectedCost(<span class="keywordtype">unsigned</span> VF);
+<a name="l00361"></a>00361 <span class="comment"></span>
+<a name="l00362"></a>00362 <span class="comment"> /// Returns the execution time cost of an instruction for a given vector</span>
+<a name="l00363"></a>00363 <span class="comment"> /// width. Vector width of one means scalar.</span>
+<a name="l00364"></a>00364 <span class="comment"></span> <span class="keywordtype">unsigned</span> getInstructionCost(<a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>, <span class="keywordtype">unsigned</span> VF);
+<a name="l00365"></a>00365 <span class="comment"></span>
+<a name="l00366"></a>00366 <span class="comment"> /// A helper function for converting Scalar types to vector types.</span>
+<a name="l00367"></a>00367 <span class="comment"> /// If the incoming type is void, we return void. If the VF is 1, we return</span>
+<a name="l00368"></a>00368 <span class="comment"> /// the scalar type.</span>
+<a name="l00369"></a>00369 <span class="comment"></span> <span class="keyword">static</span> <a class="code" href="classllvm_1_1Type.html">Type</a>* ToVectorTy(<a class="code" href="classllvm_1_1Type.html">Type</a> *<a class="code" href="namespacellvm_1_1NVPTX_1_1PTXLdStInstCode.html#a91119cbee2be000c528a690252aee07ca09c68d67f7dbfa6cc77eaf73aa535217">Scalar</a>, <span class="keywordtype">unsigned</span> VF);
+<a name="l00370"></a>00370 <span class="comment"></span>
+<a name="l00371"></a>00371 <span class="comment"> /// The loop that we evaluate.</span>
+<a name="l00372"></a>00372 <span class="comment"></span> <a class="code" href="classllvm_1_1Loop.html">Loop</a> *TheLoop;<span class="comment"></span>
+<a name="l00373"></a>00373 <span class="comment"> /// Scev analysis.</span>
+<a name="l00374"></a>00374 <span class="comment"></span> <a class="code" href="classllvm_1_1ScalarEvolution.html">ScalarEvolution</a> *SE;
+<a name="l00375"></a>00375 <span class="comment"></span>
+<a name="l00376"></a>00376 <span class="comment"> /// Vectorization legality.</span>
+<a name="l00377"></a>00377 <span class="comment"></span> LoopVectorizationLegality *Legal;<span class="comment"></span>
+<a name="l00378"></a>00378 <span class="comment"> /// Vector target information.</span>
+<a name="l00379"></a>00379 <span class="comment"></span> <span class="keyword">const</span> <a class="code" href="classllvm_1_1VectorTargetTransformInfo.html">VectorTargetTransformInfo</a> *VTTI;
+<a name="l00380"></a>00380 };
+<a name="l00381"></a>00381
+<a name="l00382"></a>00382 <span class="keyword">struct </span>LoopVectorize : <span class="keyword">public</span> <a class="code" href="classllvm_1_1LoopPass.html">LoopPass</a> {
+<a name="l00383"></a>00383 <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>; <span class="comment">// Pass identification, replacement for typeid</span>
+<a name="l00384"></a>00384
+<a name="l00385"></a>00385 LoopVectorize() : <a class="code" href="classllvm_1_1LoopPass.html">LoopPass</a>(<a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>) {
+<a name="l00386"></a>00386 <a class="code" href="namespacellvm.html#a6feec53bc62dc3b5677f0b7c066535d3">initializeLoopVectorizePass</a>(*<a class="code" href="classllvm_1_1PassRegistry.html#a05a729900b76c89e808c6c3094921b2f">PassRegistry::getPassRegistry</a>());
+<a name="l00387"></a>00387 }
+<a name="l00388"></a>00388
+<a name="l00389"></a>00389 <a class="code" href="classllvm_1_1ScalarEvolution.html">ScalarEvolution</a> *SE;
+<a name="l00390"></a>00390 <a class="code" href="classllvm_1_1DataLayout.html">DataLayout</a> *DL;
+<a name="l00391"></a>00391 <a class="code" href="classllvm_1_1LoopInfo.html">LoopInfo</a> *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>;
+<a name="l00392"></a>00392 <a class="code" href="classllvm_1_1TargetTransformInfo.html">TargetTransformInfo</a> *TTI;
+<a name="l00393"></a>00393 <a class="code" href="classllvm_1_1DominatorTree.html">DominatorTree</a> *DT;
+<a name="l00394"></a>00394
+<a name="l00395"></a>00395 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> runOnLoop(<a class="code" href="classllvm_1_1Loop.html">Loop</a> *L, <a class="code" href="classllvm_1_1LPPassManager.html">LPPassManager</a> &LPM) {
+<a name="l00396"></a>00396 <span class="comment">// We only vectorize innermost loops.</span>
+<a name="l00397"></a>00397 <span class="keywordflow">if</span> (!L-><a class="code" href="classllvm_1_1LoopBase.html#ab191396dd1d8556d8e0a057f7fd2aaab">empty</a>())
+<a name="l00398"></a>00398 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00399"></a>00399
+<a name="l00400"></a>00400 SE = &getAnalysis<ScalarEvolution>();
+<a name="l00401"></a>00401 DL = getAnalysisIfAvailable<DataLayout>();
+<a name="l00402"></a>00402 <a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a> = &getAnalysis<LoopInfo>();
+<a name="l00403"></a>00403 TTI = getAnalysisIfAvailable<TargetTransformInfo>();
+<a name="l00404"></a>00404 DT = &getAnalysis<DominatorTree>();
+<a name="l00405"></a>00405
+<a name="l00406"></a>00406 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Checking a loop in \""</span> <<
+<a name="l00407"></a>00407 L-><a class="code" href="classllvm_1_1LoopBase.html#ac4f141a355e5898255f2cbc57c5b54c3">getHeader</a>()-><a class="code" href="classllvm_1_1BasicBlock.html#aca229503e4f5c83a187a6a921c625fa8">getParent</a>()-><a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>() << <span class="stringliteral">"\"\n"</span>);
+<a name="l00408"></a>00408
+<a name="l00409"></a>00409 <span class="comment">// Check if it is legal to vectorize the loop.</span>
+<a name="l00410"></a>00410 LoopVectorizationLegality LVL(L, SE, DL);
+<a name="l00411"></a>00411 <span class="keywordflow">if</span> (!LVL.canVectorize()) {
+<a name="l00412"></a>00412 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Not vectorizing.\n"</span>);
+<a name="l00413"></a>00413 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00414"></a>00414 }
+<a name="l00415"></a>00415
+<a name="l00416"></a>00416 <span class="comment">// Select the preffered vectorization factor.</span>
+<a name="l00417"></a>00417 <span class="keywordtype">unsigned</span> VF = 1;
+<a name="l00418"></a>00418 <span class="keywordflow">if</span> (<a class="code" href="LoopVectorize_8cpp.html#a9204bc885c8d4ab574edbab8cb5a6b09">VectorizationFactor</a> == 0) {
+<a name="l00419"></a>00419 <span class="keyword">const</span> <a class="code" href="classllvm_1_1VectorTargetTransformInfo.html">VectorTargetTransformInfo</a> *VTTI = 0;
+<a name="l00420"></a>00420 <span class="keywordflow">if</span> (TTI)
+<a name="l00421"></a>00421 VTTI = TTI->getVectorTargetTransformInfo();
+<a name="l00422"></a>00422 <span class="comment">// Use the cost model.</span>
+<a name="l00423"></a>00423 LoopVectorizationCostModel CM(L, SE, &LVL, VTTI);
+<a name="l00424"></a>00424 VF = CM.findBestVectorizationFactor();
+<a name="l00425"></a>00425
+<a name="l00426"></a>00426 <span class="keywordflow">if</span> (VF == 1) {
+<a name="l00427"></a>00427 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Vectorization is possible but not beneficial.\n"</span>);
+<a name="l00428"></a>00428 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00429"></a>00429 }
+<a name="l00430"></a>00430
+<a name="l00431"></a>00431 } <span class="keywordflow">else</span> {
+<a name="l00432"></a>00432 <span class="comment">// Use the user command flag.</span>
+<a name="l00433"></a>00433 VF = <a class="code" href="LoopVectorize_8cpp.html#a9204bc885c8d4ab574edbab8cb5a6b09">VectorizationFactor</a>;
+<a name="l00434"></a>00434 }
+<a name="l00435"></a>00435
+<a name="l00436"></a>00436 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a vectorizable loop ("</span><< VF << <span class="stringliteral">") in "</span><<
+<a name="l00437"></a>00437 L-><a class="code" href="classllvm_1_1LoopBase.html#ac4f141a355e5898255f2cbc57c5b54c3">getHeader</a>()-><a class="code" href="classllvm_1_1BasicBlock.html#aca229503e4f5c83a187a6a921c625fa8">getParent</a>()-><a class="code" href="classllvm_1_1GlobalValue.html#a9e1fc23a17e97d2d1732e753ae9251ac">getParent</a>()-><a class="code" href="classllvm_1_1Module.html#a339f163decf5f2c881937600d1e953fa">getModuleIdentifier</a>()<<
+<a name="l00438"></a>00438 <span class="stringliteral">"\n"</span>);
+<a name="l00439"></a>00439
+<a name="l00440"></a>00440 <span class="comment">// If we decided that it is *legal* to vectorizer the loop then do it.</span>
+<a name="l00441"></a>00441 SingleBlockLoopVectorizer LB(L, SE, LI, DT, &LPM, VF);
+<a name="l00442"></a>00442 LB.vectorize(&LVL);
+<a name="l00443"></a>00443
+<a name="l00444"></a>00444 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a36798313569555c6f79b4ac8cc0bf63d">verifyFunction</a>(*L-><a class="code" href="classllvm_1_1LoopBase.html#ac4f141a355e5898255f2cbc57c5b54c3">getHeader</a>()-><a class="code" href="classllvm_1_1BasicBlock.html#aca229503e4f5c83a187a6a921c625fa8">getParent</a>()));
+<a name="l00445"></a>00445 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00446"></a>00446 }
+<a name="l00447"></a>00447
+<a name="l00448"></a>00448 <span class="keyword">virtual</span> <span class="keywordtype">void</span> getAnalysisUsage(<a class="code" href="classllvm_1_1AnalysisUsage.html">AnalysisUsage</a> &AU)<span class="keyword"> const </span>{
+<a name="l00449"></a>00449 <a class="code" href="classllvm_1_1Pass.html#a048082a5be9ae0d8901ea64de59e5c8f">LoopPass::getAnalysisUsage</a>(AU);
+<a name="l00450"></a>00450 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#a053677ebc731b47a534f841b11b5cf0c">addRequiredID</a>(<a class="code" href="namespacellvm.html#a472515fc67a5fb572afeb00aa2609cca">LoopSimplifyID</a>);
+<a name="l00451"></a>00451 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#a053677ebc731b47a534f841b11b5cf0c">addRequiredID</a>(<a class="code" href="namespacellvm.html#a3e3d3c6d4e33a4f5ca579ee7939f0349">LCSSAID</a>);
+<a name="l00452"></a>00452 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#ae5c60fd282ee894c87ea02c3f0fcb6d0">addRequired</a><<a class="code" href="classllvm_1_1LoopInfo.html">LoopInfo</a>>();
+<a name="l00453"></a>00453 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#ae5c60fd282ee894c87ea02c3f0fcb6d0">addRequired</a><<a class="code" href="classllvm_1_1ScalarEvolution.html">ScalarEvolution</a>>();
+<a name="l00454"></a>00454 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#ae5c60fd282ee894c87ea02c3f0fcb6d0">addRequired</a><<a class="code" href="classllvm_1_1DominatorTree.html">DominatorTree</a>>();
+<a name="l00455"></a>00455 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#a884f90190bca4bd354f2d5c91c264028">addPreserved</a><<a class="code" href="classllvm_1_1LoopInfo.html">LoopInfo</a>>();
+<a name="l00456"></a>00456 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#a884f90190bca4bd354f2d5c91c264028">addPreserved</a><<a class="code" href="classllvm_1_1DominatorTree.html">DominatorTree</a>>();
+<a name="l00457"></a>00457 }
+<a name="l00458"></a>00458
+<a name="l00459"></a>00459 };
+<a name="l00460"></a>00460
+<a name="l00461"></a>00461 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *SingleBlockLoopVectorizer::getBroadcastInstrs(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *V) {
+<a name="l00462"></a>00462 <span class="comment">// Instructions that access the old induction variable</span>
+<a name="l00463"></a>00463 <span class="comment">// actually want to get the new one.</span>
+<a name="l00464"></a>00464 <span class="keywordflow">if</span> (V == OldInduction)
+<a name="l00465"></a>00465 V = Induction;
+<a name="l00466"></a>00466 <span class="comment">// Create the types.</span>
+<a name="l00467"></a>00467 <a class="code" href="classllvm_1_1LLVMContext.html">LLVMContext</a> &<a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974afd841a49aec1539bc88abc8ff9e170fb">C</a> = V-><a class="code" href="classllvm_1_1Value.html#af85a4828b6b5a8de7fc0a55cc0e5b52f" title="All values hold a context through their type.">getContext</a>();
+<a name="l00468"></a>00468 <a class="code" href="classllvm_1_1Type.html">Type</a> *VTy = <a class="code" href="classllvm_1_1VectorType.html#ab43657ed1abe2e2ed3a6a394f233ebd0">VectorType::get</a>(V-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>(), VF);
+<a name="l00469"></a>00469 <a class="code" href="classllvm_1_1Type.html">Type</a> *<a class="code" href="X86ISelDAGToDAG_8cpp.html#a96c1aa0eca38be914b9564cd17c82f8aa68744fefeb088e8bae7ec95a0c0532ac">I32</a> = <a class="code" href="classllvm_1_1Type.html#a30dd396c5b40cd86c1591872e574ccdf">IntegerType::getInt32Ty</a>(C);
+<a name="l00470"></a>00470 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *Zero = <a class="code" href="classllvm_1_1ConstantInt.html#a9105541412dab869e18b3cceebfff07d">ConstantInt::get</a>(I32, 0);
+<a name="l00471"></a>00471 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Zeros = <a class="code" href="classllvm_1_1ConstantAggregateZero.html#abfa1cf8b4348407b167f93bc7c01055f">ConstantAggregateZero::get</a>(<a class="code" href="classllvm_1_1VectorType.html#ab43657ed1abe2e2ed3a6a394f233ebd0">VectorType::get</a>(I32, VF));
+<a name="l00472"></a>00472 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *UndefVal = <a class="code" href="classllvm_1_1UndefValue.html#a4ae5ff22b700a42bcc5d889233721335">UndefValue::get</a>(VTy);
+<a name="l00473"></a>00473 <span class="comment">// Insert the value into a new vector.</span>
+<a name="l00474"></a>00474 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *SingleElem = Builder.CreateInsertElement(UndefVal, V, Zero);
+<a name="l00475"></a>00475 <span class="comment">// Broadcast the scalar into all locations in the vector.</span>
+<a name="l00476"></a>00476 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Shuf = Builder.CreateShuffleVector(SingleElem, UndefVal, Zeros,
+<a name="l00477"></a>00477 <span class="stringliteral">"broadcast"</span>);
+<a name="l00478"></a>00478 <span class="comment">// We are accessing the induction variable. Make sure to promote the</span>
+<a name="l00479"></a>00479 <span class="comment">// index for each consecutive SIMD lane. This adds 0,1,2 ... to all lanes.</span>
+<a name="l00480"></a>00480 <span class="keywordflow">if</span> (V == Induction)
+<a name="l00481"></a>00481 <span class="keywordflow">return</span> getConsecutiveVector(Shuf);
+<a name="l00482"></a>00482 <span class="keywordflow">return</span> Shuf;
+<a name="l00483"></a>00483 }
+<a name="l00484"></a>00484
+<a name="l00485"></a>00485 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *SingleBlockLoopVectorizer::getConsecutiveVector(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a>* Val) {
+<a name="l00486"></a>00486 assert(Val-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()-><a class="code" href="classllvm_1_1Type.html#a6f725580f7834e2ca90762965866dad4">isVectorTy</a>() && <span class="stringliteral">"Must be a vector"</span>);
+<a name="l00487"></a>00487 assert(Val-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()-><a class="code" href="classllvm_1_1Type.html#a8eafa71cf399da8f21b2af5549f3f9e7">getScalarType</a>()-><a class="code" href="classllvm_1_1Type.html#a6e328feb83afa5cf1c966d6704e43fc1">isIntegerTy</a>() &&
+<a name="l00488"></a>00488 <span class="stringliteral">"Elem must be an integer"</span>);
+<a name="l00489"></a>00489 <span class="comment">// Create the types.</span>
+<a name="l00490"></a>00490 <a class="code" href="classllvm_1_1Type.html">Type</a> *ITy = Val-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()-><a class="code" href="classllvm_1_1Type.html#a8eafa71cf399da8f21b2af5549f3f9e7">getScalarType</a>();
+<a name="l00491"></a>00491 <a class="code" href="classllvm_1_1VectorType.html">VectorType</a> *Ty = cast<VectorType>(Val-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>());
+<a name="l00492"></a>00492 <span class="keywordtype">unsigned</span> VLen = Ty-><a class="code" href="classllvm_1_1VectorType.html#a580510fa692dccfb26d0e967d8f164e7" title="Return the number of elements in the Vector type.">getNumElements</a>();
+<a name="l00493"></a>00493 <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<Constant*, 8></a> Indices;
+<a name="l00494"></a>00494
+<a name="l00495"></a>00495 <span class="comment">// Create a vector of consecutive numbers from zero to VF.</span>
+<a name="l00496"></a>00496 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < VLen; ++i)
+<a name="l00497"></a>00497 Indices.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(<a class="code" href="classllvm_1_1ConstantInt.html#a9105541412dab869e18b3cceebfff07d">ConstantInt::get</a>(ITy, i));
+<a name="l00498"></a>00498
+<a name="l00499"></a>00499 <span class="comment">// Add the consecutive indices to the vector value.</span>
+<a name="l00500"></a>00500 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *Cv = <a class="code" href="classllvm_1_1ConstantVector.html#ade9fa017ca3aa82f7694a47090547bc1">ConstantVector::get</a>(Indices);
+<a name="l00501"></a>00501 assert(Cv-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>() == Val-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>() && <span class="stringliteral">"Invalid consecutive vec"</span>);
+<a name="l00502"></a>00502 <span class="keywordflow">return</span> Builder.CreateAdd(Val, Cv, <span class="stringliteral">"induction"</span>);
+<a name="l00503"></a>00503 }
+<a name="l00504"></a>00504
+<a name="l00505"></a>00505 <span class="keywordtype">bool</span> LoopVectorizationLegality::isConsecutiveGep(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Ptr) {
+<a name="l00506"></a>00506 <a class="code" href="classllvm_1_1GetElementPtrInst.html">GetElementPtrInst</a> *Gep = dyn_cast_or_null<GetElementPtrInst>(Ptr);
+<a name="l00507"></a>00507 <span class="keywordflow">if</span> (!Gep)
+<a name="l00508"></a>00508 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00509"></a>00509
+<a name="l00510"></a>00510 <span class="keywordtype">unsigned</span> NumOperands = Gep-><a class="code" href="classllvm_1_1User.html#a2f81e0c1fc6554df7ad2eafabf5fc5a5">getNumOperands</a>();
+<a name="l00511"></a>00511 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *LastIndex = Gep-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(NumOperands - 1);
+<a name="l00512"></a>00512
+<a name="l00513"></a>00513 <span class="comment">// Check that all of the gep indices are uniform except for the last.</span>
+<a name="l00514"></a>00514 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < NumOperands - 1; ++i)
+<a name="l00515"></a>00515 <span class="keywordflow">if</span> (!SE->isLoopInvariant(SE->getSCEV(Gep-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(i)), TheLoop))
+<a name="l00516"></a>00516 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00517"></a>00517
+<a name="l00518"></a>00518 <span class="comment">// We can emit wide load/stores only of the last index is the induction</span>
+<a name="l00519"></a>00519 <span class="comment">// variable.</span>
+<a name="l00520"></a>00520 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *Last = SE->getSCEV(LastIndex);
+<a name="l00521"></a>00521 <span class="keywordflow">if</span> (<span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEVAddRecExpr.html">SCEVAddRecExpr</a> *AR = dyn_cast<SCEVAddRecExpr>(Last)) {
+<a name="l00522"></a>00522 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *Step = AR->getStepRecurrence(*SE);
+<a name="l00523"></a>00523
+<a name="l00524"></a>00524 <span class="comment">// The memory is consecutive because the last index is consecutive</span>
+<a name="l00525"></a>00525 <span class="comment">// and all other indices are loop invariant.</span>
+<a name="l00526"></a>00526 <span class="keywordflow">if</span> (Step-><a class="code" href="classllvm_1_1SCEV.html#a3935a9de0ebdf3dc625cfb28e35bd009">isOne</a>())
+<a name="l00527"></a>00527 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00528"></a>00528 }
+<a name="l00529"></a>00529
+<a name="l00530"></a>00530 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00531"></a>00531 }
+<a name="l00532"></a>00532
+<a name="l00533"></a>00533 <span class="keywordtype">bool</span> LoopVectorizationLegality::isUniform(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *V) {
+<a name="l00534"></a>00534 <span class="keywordflow">return</span> (SE->isLoopInvariant(SE->getSCEV(V), TheLoop));
+<a name="l00535"></a>00535 }
+<a name="l00536"></a>00536
+<a name="l00537"></a>00537 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *SingleBlockLoopVectorizer::getVectorValue(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *V) {
+<a name="l00538"></a>00538 assert(!V-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()-><a class="code" href="classllvm_1_1Type.html#a6f725580f7834e2ca90762965866dad4">isVectorTy</a>() && <span class="stringliteral">"Can't widen a vector"</span>);
+<a name="l00539"></a>00539 <span class="comment">// If we saved a vectorized copy of V, use it.</span>
+<a name="l00540"></a>00540 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *&MapEntry = WidenMap[V];
+<a name="l00541"></a>00541 <span class="keywordflow">if</span> (MapEntry)
+<a name="l00542"></a>00542 <span class="keywordflow">return</span> MapEntry;
+<a name="l00543"></a>00543
+<a name="l00544"></a>00544 <span class="comment">// Broadcast V and save the value for future uses.</span>
+<a name="l00545"></a>00545 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *B = getBroadcastInstrs(V);
+<a name="l00546"></a>00546 MapEntry = B;
+<a name="l00547"></a>00547 <span class="keywordflow">return</span> B;
+<a name="l00548"></a>00548 }
+<a name="l00549"></a>00549
+<a name="l00550"></a>00550 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a>*
+<a name="l00551"></a>00551 SingleBlockLoopVectorizer::getUniformVector(<span class="keywordtype">unsigned</span> Val, <a class="code" href="classllvm_1_1Type.html">Type</a>* ScalarTy) {
+<a name="l00552"></a>00552 <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<Constant*, 8></a> Indices;
+<a name="l00553"></a>00553 <span class="comment">// Create a vector of consecutive numbers from zero to VF.</span>
+<a name="l00554"></a>00554 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < VF; ++i)
+<a name="l00555"></a>00555 Indices.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(<a class="code" href="classllvm_1_1ConstantInt.html#a9105541412dab869e18b3cceebfff07d">ConstantInt::get</a>(ScalarTy, Val, <span class="keyword">true</span>));
+<a name="l00556"></a>00556
+<a name="l00557"></a>00557 <span class="comment">// Add the consecutive indices to the vector value.</span>
+<a name="l00558"></a>00558 <span class="keywordflow">return</span> <a class="code" href="classllvm_1_1ConstantVector.html#ade9fa017ca3aa82f7694a47090547bc1">ConstantVector::get</a>(Indices);
+<a name="l00559"></a>00559 }
+<a name="l00560"></a>00560
+<a name="l00561"></a>00561 <span class="keywordtype">void</span> SingleBlockLoopVectorizer::scalarizeInstruction(<a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *Instr) {
+<a name="l00562"></a>00562 assert(!Instr-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()-><a class="code" href="classllvm_1_1Type.html#a0a32c2cb0342323dc78f6aa31d7e581e">isAggregateType</a>() && <span class="stringliteral">"Can't handle vectors"</span>);
+<a name="l00563"></a>00563 <span class="comment">// Holds vector parameters or scalars, in case of uniform vals.</span>
+<a name="l00564"></a>00564 <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<Value*, 8></a> Params;
+<a name="l00565"></a>00565
+<a name="l00566"></a>00566 <span class="comment">// Find all of the vectorized parameters.</span>
+<a name="l00567"></a>00567 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> op = 0, e = Instr-><a class="code" href="classllvm_1_1User.html#a2f81e0c1fc6554df7ad2eafabf5fc5a5">getNumOperands</a>(); op != e; ++op) {
+<a name="l00568"></a>00568 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *SrcOp = Instr-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(op);
+<a name="l00569"></a>00569
+<a name="l00570"></a>00570 <span class="comment">// If we are accessing the old induction variable, use the new one.</span>
+<a name="l00571"></a>00571 <span class="keywordflow">if</span> (SrcOp == OldInduction) {
+<a name="l00572"></a>00572 Params.push_back(getBroadcastInstrs(Induction));
+<a name="l00573"></a>00573 <span class="keywordflow">continue</span>;
+<a name="l00574"></a>00574 }
+<a name="l00575"></a>00575
+<a name="l00576"></a>00576 <span class="comment">// Try using previously calculated values.</span>
+<a name="l00577"></a>00577 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *SrcInst = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1Instruction.html">Instruction</a>>(SrcOp);
+<a name="l00578"></a>00578
+<a name="l00579"></a>00579 <span class="comment">// If the src is an instruction that appeared earlier in the basic block</span>
+<a name="l00580"></a>00580 <span class="comment">// then it should already be vectorized.</span>
+<a name="l00581"></a>00581 <span class="keywordflow">if</span> (SrcInst && SrcInst-><a class="code" href="classllvm_1_1Instruction.html#a9cd49851904f15060edb782ef4dd1b2d">getParent</a>() == Instr-><a class="code" href="classllvm_1_1Instruction.html#a9cd49851904f15060edb782ef4dd1b2d">getParent</a>()) {
+<a name="l00582"></a>00582 assert(WidenMap.count(SrcInst) && <span class="stringliteral">"Source operand is unavailable"</span>);
+<a name="l00583"></a>00583 <span class="comment">// The parameter is a vector value from earlier.</span>
+<a name="l00584"></a>00584 Params.push_back(WidenMap[SrcInst]);
+<a name="l00585"></a>00585 } <span class="keywordflow">else</span> {
+<a name="l00586"></a>00586 <span class="comment">// The parameter is a scalar from outside the loop. Maybe even a constant.</span>
+<a name="l00587"></a>00587 Params.push_back(SrcOp);
+<a name="l00588"></a>00588 }
+<a name="l00589"></a>00589 }
+<a name="l00590"></a>00590
+<a name="l00591"></a>00591 assert(Params.size() == Instr-><a class="code" href="classllvm_1_1User.html#a2f81e0c1fc6554df7ad2eafabf5fc5a5">getNumOperands</a>() &&
+<a name="l00592"></a>00592 <span class="stringliteral">"Invalid number of operands"</span>);
+<a name="l00593"></a>00593
+<a name="l00594"></a>00594 <span class="comment">// Does this instruction return a value ?</span>
+<a name="l00595"></a>00595 <span class="keywordtype">bool</span> IsVoidRetTy = Instr-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()-><a class="code" href="classllvm_1_1Type.html#af5c7041df3ad5edffe5da17b5264c1fc" title="isVoidTy - Return true if this is 'void'.">isVoidTy</a>();
+<a name="l00596"></a>00596 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *VecResults = 0;
+<a name="l00597"></a>00597
+<a name="l00598"></a>00598 <span class="comment">// If we have a return value, create an empty vector. We place the scalarized</span>
+<a name="l00599"></a>00599 <span class="comment">// instructions in this vector.</span>
+<a name="l00600"></a>00600 <span class="keywordflow">if</span> (!IsVoidRetTy)
+<a name="l00601"></a>00601 VecResults = <a class="code" href="classllvm_1_1UndefValue.html#a4ae5ff22b700a42bcc5d889233721335">UndefValue::get</a>(<a class="code" href="classllvm_1_1VectorType.html#ab43657ed1abe2e2ed3a6a394f233ebd0">VectorType::get</a>(Instr-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>(), VF));
+<a name="l00602"></a>00602
+<a name="l00603"></a>00603 <span class="comment">// For each scalar that we create:</span>
+<a name="l00604"></a>00604 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < VF; ++i) {
+<a name="l00605"></a>00605 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *Cloned = Instr-><a class="code" href="classllvm_1_1Instruction.html#af6aad0c9ba7b8720130235c9621b55b5">clone</a>();
+<a name="l00606"></a>00606 <span class="keywordflow">if</span> (!IsVoidRetTy)
+<a name="l00607"></a>00607 Cloned-><a class="code" href="classllvm_1_1Value.html#a35ee267850af7c235474a8c46c7ac5af">setName</a>(Instr-><a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>() + <span class="stringliteral">".cloned"</span>);
+<a name="l00608"></a>00608 <span class="comment">// Replace the operands of the cloned instrucions with extracted scalars.</span>
+<a name="l00609"></a>00609 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> op = 0, e = Instr-><a class="code" href="classllvm_1_1User.html#a2f81e0c1fc6554df7ad2eafabf5fc5a5">getNumOperands</a>(); op != e; ++op) {
+<a name="l00610"></a>00610 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Op = Params[op];
+<a name="l00611"></a>00611 <span class="comment">// Param is a vector. Need to extract the right lane.</span>
+<a name="l00612"></a>00612 <span class="keywordflow">if</span> (Op-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()-><a class="code" href="classllvm_1_1Type.html#a6f725580f7834e2ca90762965866dad4">isVectorTy</a>())
+<a name="l00613"></a>00613 Op = Builder.CreateExtractElement(Op, Builder.getInt32(i));
+<a name="l00614"></a>00614 Cloned-><a class="code" href="classllvm_1_1User.html#a5fa9b8e1842b354f64c1ba6be0a4a17f">setOperand</a>(op, Op);
+<a name="l00615"></a>00615 }
+<a name="l00616"></a>00616
+<a name="l00617"></a>00617 <span class="comment">// Place the cloned scalar in the new loop.</span>
+<a name="l00618"></a>00618 Builder.Insert(Cloned);
+<a name="l00619"></a>00619
+<a name="l00620"></a>00620 <span class="comment">// If the original scalar returns a value we need to place it in a vector</span>
+<a name="l00621"></a>00621 <span class="comment">// so that future users will be able to use it.</span>
+<a name="l00622"></a>00622 <span class="keywordflow">if</span> (!IsVoidRetTy)
+<a name="l00623"></a>00623 VecResults = Builder.CreateInsertElement(VecResults, Cloned,
+<a name="l00624"></a>00624 Builder.getInt32(i));
+<a name="l00625"></a>00625 }
+<a name="l00626"></a>00626
+<a name="l00627"></a>00627 <span class="keywordflow">if</span> (!IsVoidRetTy)
+<a name="l00628"></a>00628 WidenMap[Instr] = VecResults;
+<a name="l00629"></a>00629 }
+<a name="l00630"></a>00630
+<a name="l00631"></a>00631 <span class="keywordtype">void</span>
+<a name="l00632"></a>00632 SingleBlockLoopVectorizer::createEmptyLoop(LoopVectorizationLegality *Legal) {
+<a name="l00633"></a>00633 <span class="comment">/*</span>
+<a name="l00634"></a>00634 <span class="comment"> In this function we generate a new loop. The new loop will contain</span>
+<a name="l00635"></a>00635 <span class="comment"> the vectorized instructions while the old loop will continue to run the</span>
+<a name="l00636"></a>00636 <span class="comment"> scalar remainder.</span>
+<a name="l00637"></a>00637 <span class="comment"></span>
+<a name="l00638"></a>00638 <span class="comment"> [ ] <-- vector loop bypass.</span>
+<a name="l00639"></a>00639 <span class="comment"> / |</span>
+<a name="l00640"></a>00640 <span class="comment"> / v</span>
+<a name="l00641"></a>00641 <span class="comment">| [ ] <-- vector pre header.</span>
+<a name="l00642"></a>00642 <span class="comment">| |</span>
+<a name="l00643"></a>00643 <span class="comment">| v</span>
+<a name="l00644"></a>00644 <span class="comment">| [ ] \</span>
+<a name="l00645"></a>00645 <span class="comment">| [ ]_| <-- vector loop.</span>
+<a name="l00646"></a>00646 <span class="comment">| |</span>
+<a name="l00647"></a>00647 <span class="comment"> \ v</span>
+<a name="l00648"></a>00648 <span class="comment"> >[ ] <--- middle-block.</span>
+<a name="l00649"></a>00649 <span class="comment"> / |</span>
+<a name="l00650"></a>00650 <span class="comment"> / v</span>
+<a name="l00651"></a>00651 <span class="comment">| [ ] <--- new preheader.</span>
+<a name="l00652"></a>00652 <span class="comment">| |</span>
+<a name="l00653"></a>00653 <span class="comment">| v</span>
+<a name="l00654"></a>00654 <span class="comment">| [ ] \</span>
+<a name="l00655"></a>00655 <span class="comment">| [ ]_| <-- old scalar loop to handle remainder.</span>
+<a name="l00656"></a>00656 <span class="comment"> \ |</span>
+<a name="l00657"></a>00657 <span class="comment"> \ v</span>
+<a name="l00658"></a>00658 <span class="comment"> >[ ] <-- exit block.</span>
+<a name="l00659"></a>00659 <span class="comment"> ...</span>
+<a name="l00660"></a>00660 <span class="comment"> */</span>
+<a name="l00661"></a>00661
+<a name="l00662"></a>00662 OldInduction = Legal->getInduction();
+<a name="l00663"></a>00663 assert(OldInduction && <span class="stringliteral">"We must have a single phi node."</span>);
+<a name="l00664"></a>00664 <a class="code" href="classllvm_1_1Type.html">Type</a> *IdxTy = OldInduction->getType();
+<a name="l00665"></a>00665
+<a name="l00666"></a>00666 <span class="comment">// Find the loop boundaries.</span>
+<a name="l00667"></a>00667 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *ExitCount = SE->getExitCount(OrigLoop, OrigLoop->getHeader());
+<a name="l00668"></a>00668 assert(ExitCount != SE->getCouldNotCompute() && <span class="stringliteral">"Invalid loop count"</span>);
+<a name="l00669"></a>00669
+<a name="l00670"></a>00670 <span class="comment">// Get the total trip count from the count by adding 1.</span>
+<a name="l00671"></a>00671 ExitCount = SE->getAddExpr(ExitCount,
+<a name="l00672"></a>00672 SE->getConstant(ExitCount->getType(), 1));
+<a name="l00673"></a>00673 <span class="comment">// We may need to extend the index in case there is a type mismatch.</span>
+<a name="l00674"></a>00674 <span class="comment">// We know that the count starts at zero and does not overflow.</span>
+<a name="l00675"></a>00675 <span class="comment">// We are using Zext because it should be less expensive.</span>
+<a name="l00676"></a>00676 <span class="keywordflow">if</span> (ExitCount->getType() != IdxTy)
+<a name="l00677"></a>00677 ExitCount = SE->getZeroExtendExpr(ExitCount, IdxTy);
+<a name="l00678"></a>00678
+<a name="l00679"></a>00679 <span class="comment">// This is the original scalar-loop preheader.</span>
+<a name="l00680"></a>00680 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *BypassBlock = OrigLoop->getLoopPreheader();
+<a name="l00681"></a>00681 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *ExitBlock = OrigLoop->getExitBlock();
+<a name="l00682"></a>00682 assert(ExitBlock && <span class="stringliteral">"Must have an exit block"</span>);
+<a name="l00683"></a>00683
+<a name="l00684"></a>00684 <span class="comment">// The loop index does not have to start at Zero. It starts with this value.</span>
+<a name="l00685"></a>00685 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *StartIdx = OldInduction->getIncomingValueForBlock(BypassBlock);
+<a name="l00686"></a>00686
+<a name="l00687"></a>00687 assert(OrigLoop->getNumBlocks() == 1 && <span class="stringliteral">"Invalid loop"</span>);
+<a name="l00688"></a>00688 assert(BypassBlock && <span class="stringliteral">"Invalid loop structure"</span>);
+<a name="l00689"></a>00689
+<a name="l00690"></a>00690 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *VectorPH =
+<a name="l00691"></a>00691 BypassBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a19445f836d9e1ecb32cba27ec4338fff">splitBasicBlock</a>(BypassBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>(), <span class="stringliteral">"vector.ph"</span>);
+<a name="l00692"></a>00692 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *VecBody = VectorPH-><a class="code" href="classllvm_1_1BasicBlock.html#a19445f836d9e1ecb32cba27ec4338fff">splitBasicBlock</a>(VectorPH-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>(),
+<a name="l00693"></a>00693 <span class="stringliteral">"vector.body"</span>);
+<a name="l00694"></a>00694
+<a name="l00695"></a>00695 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *MiddleBlock = VecBody-><a class="code" href="classllvm_1_1BasicBlock.html#a19445f836d9e1ecb32cba27ec4338fff">splitBasicBlock</a>(VecBody-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>(),
+<a name="l00696"></a>00696 <span class="stringliteral">"middle.block"</span>);
+<a name="l00697"></a>00697 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *ScalarPH =
+<a name="l00698"></a>00698 MiddleBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a19445f836d9e1ecb32cba27ec4338fff">splitBasicBlock</a>(MiddleBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>(),
+<a name="l00699"></a>00699 <span class="stringliteral">"scalar.preheader"</span>);
+<a name="l00700"></a>00700 <span class="comment">// Find the induction variable.</span>
+<a name="l00701"></a>00701 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *OldBasicBlock = OrigLoop->getHeader();
+<a name="l00702"></a>00702
+<a name="l00703"></a>00703 <span class="comment">// Use this IR builder to create the loop instructions (Phi, Br, Cmp)</span>
+<a name="l00704"></a>00704 <span class="comment">// inside the loop.</span>
+<a name="l00705"></a>00705 Builder.SetInsertPoint(VecBody-><a class="code" href="classllvm_1_1BasicBlock.html#ab1cd5a3713b93a33f89a2086d473cf6e">getFirstInsertionPt</a>());
+<a name="l00706"></a>00706
+<a name="l00707"></a>00707 <span class="comment">// Generate the induction variable.</span>
+<a name="l00708"></a>00708 Induction = Builder.CreatePHI(IdxTy, 2, <span class="stringliteral">"index"</span>);
+<a name="l00709"></a>00709 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *Step = <a class="code" href="classllvm_1_1ConstantInt.html#a9105541412dab869e18b3cceebfff07d">ConstantInt::get</a>(IdxTy, VF);
+<a name="l00710"></a>00710
+<a name="l00711"></a>00711 <span class="comment">// Expand the trip count and place the new instructions in the preheader.</span>
+<a name="l00712"></a>00712 <span class="comment">// Notice that the pre-header does not change, only the loop body.</span>
+<a name="l00713"></a>00713 <a class="code" href="classllvm_1_1SCEVExpander.html">SCEVExpander</a> Exp(*SE, <span class="stringliteral">"induction"</span>);
+<a name="l00714"></a>00714 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *Loc = BypassBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>();
+<a name="l00715"></a>00715
+<a name="l00716"></a>00716 <span class="comment">// Count holds the overall loop count (N).</span>
+<a name="l00717"></a>00717 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Count = Exp.<a class="code" href="classllvm_1_1SCEVExpander.html#a583d3ca95f83216d632a4d1ae0330dd0">expandCodeFor</a>(ExitCount, Induction->getType(), Loc);
+<a name="l00718"></a>00718
+<a name="l00719"></a>00719 <span class="comment">// Add the start index to the loop count to get the new end index.</span>
+<a name="l00720"></a>00720 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *IdxEnd = BinaryOperator::CreateAdd(Count, StartIdx, <span class="stringliteral">"end.idx"</span>, Loc);
+<a name="l00721"></a>00721
+<a name="l00722"></a>00722 <span class="comment">// Now we need to generate the expression for N - (N % VF), which is</span>
+<a name="l00723"></a>00723 <span class="comment">// the part that the vectorized body will execute.</span>
+<a name="l00724"></a>00724 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *CIVF = <a class="code" href="classllvm_1_1ConstantInt.html#a9105541412dab869e18b3cceebfff07d">ConstantInt::get</a>(IdxTy, VF);
+<a name="l00725"></a>00725 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *R = BinaryOperator::CreateURem(Count, CIVF, <span class="stringliteral">"n.mod.vf"</span>, Loc);
+<a name="l00726"></a>00726 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *CountRoundDown = BinaryOperator::CreateSub(Count, R, <span class="stringliteral">"n.vec"</span>, Loc);
+<a name="l00727"></a>00727 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *IdxEndRoundDown = BinaryOperator::CreateAdd(CountRoundDown, StartIdx,
+<a name="l00728"></a>00728 <span class="stringliteral">"end.idx.rnd.down"</span>, Loc);
+<a name="l00729"></a>00729
+<a name="l00730"></a>00730 <span class="comment">// Now, compare the new count to zero. If it is zero, jump to the scalar part.</span>
+<a name="l00731"></a>00731 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Cmp = <a class="code" href="classllvm_1_1CmpInst.html#a4cd12603c3c76eb84d050733f6ddc8b7" title="Create a CmpInst.">CmpInst::Create</a>(<a class="code" href="namespacellvm.html#a6a4ce50f71e29df6dd1920cf067a2eb5">Instruction::ICmp</a>, <a class="code" href="classllvm_1_1CmpInst.html#a283f9a5d4d843d20c40bb4d3e364bb05aa719225e2de4059f93fd3209e1f48218" title="equal">CmpInst::ICMP_EQ</a>,
+<a name="l00732"></a>00732 IdxEndRoundDown,
+<a name="l00733"></a>00733 StartIdx,
+<a name="l00734"></a>00734 <span class="stringliteral">"cmp.zero"</span>, Loc);
+<a name="l00735"></a>00735
+<a name="l00736"></a>00736 LoopVectorizationLegality::RuntimePointerCheck *PtrRtCheck =
+<a name="l00737"></a>00737 Legal->getRuntimePointerCheck();
+<a name="l00738"></a>00738 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *MemoryRuntimeCheck = 0;
+<a name="l00739"></a>00739 <span class="keywordflow">if</span> (PtrRtCheck->Need) {
+<a name="l00740"></a>00740 <span class="keywordtype">unsigned</span> NumPointers = PtrRtCheck->Pointers.size();
+<a name="l00741"></a>00741 <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<Value* , 2></a> Starts;
+<a name="l00742"></a>00742 <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<Value* , 2></a> Ends;
+<a name="l00743"></a>00743
+<a name="l00744"></a>00744 <span class="comment">// Use this type for pointer arithmetic.</span>
+<a name="l00745"></a>00745 <a class="code" href="classllvm_1_1Type.html">Type</a>* PtrArithTy = PtrRtCheck->Pointers[0]->getType();
+<a name="l00746"></a>00746
+<a name="l00747"></a>00747 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i < NumPointers; ++i) {
+<a name="l00748"></a>00748 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Ptr = PtrRtCheck->Pointers[i];
+<a name="l00749"></a>00749 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *Sc = SE->getSCEV(Ptr);
+<a name="l00750"></a>00750
+<a name="l00751"></a>00751 <span class="keywordflow">if</span> (SE->isLoopInvariant(Sc, OrigLoop)) {
+<a name="l00752"></a>00752 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV1: Adding RT check for a loop invariant ptr:"</span> <<
+<a name="l00753"></a>00753 *Ptr <<<span class="stringliteral">"\n"</span>);
+<a name="l00754"></a>00754 Starts.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(Ptr);
+<a name="l00755"></a>00755 Ends.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(Ptr);
+<a name="l00756"></a>00756 } <span class="keywordflow">else</span> {
+<a name="l00757"></a>00757 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Adding RT check for range:"</span> << *Ptr <<<span class="stringliteral">"\n"</span>);
+<a name="l00758"></a>00758 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEVAddRecExpr.html">SCEVAddRecExpr</a> *AR = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1SCEVAddRecExpr.html">SCEVAddRecExpr</a>>(Sc);
+<a name="l00759"></a>00759 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Start = Exp.<a class="code" href="classllvm_1_1SCEVExpander.html#a583d3ca95f83216d632a4d1ae0330dd0">expandCodeFor</a>(AR-><a class="code" href="classllvm_1_1SCEVAddRecExpr.html#a0d53a749bd858b270d322b34b8d7e1e5">getStart</a>(), PtrArithTy, Loc);
+<a name="l00760"></a>00760 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *Ex = SE->getExitCount(OrigLoop, OrigLoop->getHeader());
+<a name="l00761"></a>00761 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *ScEnd = AR-><a class="code" href="classllvm_1_1SCEVAddRecExpr.html#a11bb31f99854303d2a934765469c5c2c">evaluateAtIteration</a>(Ex, *SE);
+<a name="l00762"></a>00762 assert(!isa<SCEVCouldNotCompute>(ScEnd) && <span class="stringliteral">"Invalid scev range."</span>);
+<a name="l00763"></a>00763 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *End = Exp.<a class="code" href="classllvm_1_1SCEVExpander.html#a583d3ca95f83216d632a4d1ae0330dd0">expandCodeFor</a>(ScEnd, PtrArithTy, Loc);
+<a name="l00764"></a>00764 Starts.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(Start);
+<a name="l00765"></a>00765 Ends.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(End);
+<a name="l00766"></a>00766 }
+<a name="l00767"></a>00767 }
+<a name="l00768"></a>00768
+<a name="l00769"></a>00769 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i < NumPointers; ++i) {
+<a name="l00770"></a>00770 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> j=i+1; j < NumPointers; ++j) {
+<a name="l00771"></a>00771 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Cmp0 = <a class="code" href="classllvm_1_1CmpInst.html#a4cd12603c3c76eb84d050733f6ddc8b7" title="Create a CmpInst.">CmpInst::Create</a>(<a class="code" href="namespacellvm.html#a6a4ce50f71e29df6dd1920cf067a2eb5">Instruction::ICmp</a>, <a class="code" href="classllvm_1_1CmpInst.html#a283f9a5d4d843d20c40bb4d3e364bb05ad92f160316221fd4090520bb2b3cefc5" title="unsigned less or equal">CmpInst::ICMP_ULE</a>,
+<a name="l00772"></a>00772 Starts[0], Ends[1], <span class="stringliteral">"bound0"</span>, Loc);
+<a name="l00773"></a>00773 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Cmp1 = <a class="code" href="classllvm_1_1CmpInst.html#a4cd12603c3c76eb84d050733f6ddc8b7" title="Create a CmpInst.">CmpInst::Create</a>(<a class="code" href="namespacellvm.html#a6a4ce50f71e29df6dd1920cf067a2eb5">Instruction::ICmp</a>, <a class="code" href="classllvm_1_1CmpInst.html#a283f9a5d4d843d20c40bb4d3e364bb05ad92f160316221fd4090520bb2b3cefc5" title="unsigned less or equal">CmpInst::ICMP_ULE</a>,
+<a name="l00774"></a>00774 Starts[1], Ends[0], <span class="stringliteral">"bound1"</span>, Loc);
+<a name="l00775"></a>00775 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *IsConflict = <a class="code" href="classllvm_1_1BinaryOperator.html#a4a4628e91a9c6a339fa61105614fac76">BinaryOperator::Create</a>(<a class="code" href="namespacellvm_1_1APIntOps.html#a684cfe02c582e8d75cd6d457e63e6c25" title="Bitwise AND function for APInt.">Instruction::And</a>, Cmp0, Cmp1,
+<a name="l00776"></a>00776 <span class="stringliteral">"found.conflict"</span>, Loc);
+<a name="l00777"></a>00777 <span class="keywordflow">if</span> (MemoryRuntimeCheck) {
+<a name="l00778"></a>00778 MemoryRuntimeCheck = <a class="code" href="classllvm_1_1BinaryOperator.html#a4a4628e91a9c6a339fa61105614fac76">BinaryOperator::Create</a>(<a class="code" href="namespacellvm_1_1APIntOps.html#a22f056804d2b9882f74adc905872bc39" title="Bitwise OR function for APInt.">Instruction::Or</a>,
+<a name="l00779"></a>00779 MemoryRuntimeCheck,
+<a name="l00780"></a>00780 IsConflict,
+<a name="l00781"></a>00781 <span class="stringliteral">"conflict.rdx"</span>, Loc);
+<a name="l00782"></a>00782 } <span class="keywordflow">else</span> {
+<a name="l00783"></a>00783 MemoryRuntimeCheck = IsConflict;
+<a name="l00784"></a>00784 }
+<a name="l00785"></a>00785 }
+<a name="l00786"></a>00786 }
+<a name="l00787"></a>00787 }<span class="comment">// end of need-runtime-check code.</span>
+<a name="l00788"></a>00788
+<a name="l00789"></a>00789 <span class="comment">// If we are using memory runtime checks, include them in.</span>
+<a name="l00790"></a>00790 <span class="keywordflow">if</span> (MemoryRuntimeCheck) {
+<a name="l00791"></a>00791 Cmp = <a class="code" href="classllvm_1_1BinaryOperator.html#a4a4628e91a9c6a339fa61105614fac76">BinaryOperator::Create</a>(<a class="code" href="namespacellvm_1_1APIntOps.html#a22f056804d2b9882f74adc905872bc39" title="Bitwise OR function for APInt.">Instruction::Or</a>, Cmp, MemoryRuntimeCheck,
+<a name="l00792"></a>00792 <span class="stringliteral">"CntOrMem"</span>, Loc);
+<a name="l00793"></a>00793 }
+<a name="l00794"></a>00794
+<a name="l00795"></a>00795 <a class="code" href="classllvm_1_1BranchInst.html#ae9cbc599309fd2da33ec1c61df01ce1f">BranchInst::Create</a>(MiddleBlock, VectorPH, Cmp, Loc);
+<a name="l00796"></a>00796 <span class="comment">// Remove the old terminator.</span>
+<a name="l00797"></a>00797 Loc-><a class="code" href="classllvm_1_1Instruction.html#a6fe2f06b8a4b2c3d6308afb223a0238a">eraseFromParent</a>();
+<a name="l00798"></a>00798
+<a name="l00799"></a>00799 <span class="comment">// We are going to resume the execution of the scalar loop.</span>
+<a name="l00800"></a>00800 <span class="comment">// This PHI decides on what number to start. If we come from the</span>
+<a name="l00801"></a>00801 <span class="comment">// vector loop then we need to start with the end index minus the</span>
+<a name="l00802"></a>00802 <span class="comment">// index modulo VF. If we come from a bypass edge then we need to start</span>
+<a name="l00803"></a>00803 <span class="comment">// from the real start.</span>
+<a name="l00804"></a>00804 <a class="code" href="classllvm_1_1PHINode.html">PHINode</a>* ResumeIndex = <a class="code" href="classllvm_1_1PHINode.html#afb5e83bf5123ff7c51058eb0ebebcdc6">PHINode::Create</a>(IdxTy, 2, <span class="stringliteral">"resume.idx"</span>,
+<a name="l00805"></a>00805 MiddleBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>());
+<a name="l00806"></a>00806 ResumeIndex-><a class="code" href="classllvm_1_1PHINode.html#a089cccb6f231efee72abc76d0f9c695f">addIncoming</a>(StartIdx, BypassBlock);
+<a name="l00807"></a>00807 ResumeIndex-><a class="code" href="classllvm_1_1PHINode.html#a089cccb6f231efee72abc76d0f9c695f">addIncoming</a>(IdxEndRoundDown, VecBody);
+<a name="l00808"></a>00808
+<a name="l00809"></a>00809 <span class="comment">// Add a check in the middle block to see if we have completed</span>
+<a name="l00810"></a>00810 <span class="comment">// all of the iterations in the first vector loop.</span>
+<a name="l00811"></a>00811 <span class="comment">// If (N - N%VF) == N, then we *don't* need to run the remainder.</span>
+<a name="l00812"></a>00812 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *CmpN = <a class="code" href="classllvm_1_1CmpInst.html#a4cd12603c3c76eb84d050733f6ddc8b7" title="Create a CmpInst.">CmpInst::Create</a>(<a class="code" href="namespacellvm.html#a6a4ce50f71e29df6dd1920cf067a2eb5">Instruction::ICmp</a>, <a class="code" href="classllvm_1_1CmpInst.html#a283f9a5d4d843d20c40bb4d3e364bb05aa719225e2de4059f93fd3209e1f48218" title="equal">CmpInst::ICMP_EQ</a>, IdxEnd,
+<a name="l00813"></a>00813 ResumeIndex, <span class="stringliteral">"cmp.n"</span>,
+<a name="l00814"></a>00814 MiddleBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>());
+<a name="l00815"></a>00815
+<a name="l00816"></a>00816 <a class="code" href="classllvm_1_1BranchInst.html#ae9cbc599309fd2da33ec1c61df01ce1f">BranchInst::Create</a>(ExitBlock, ScalarPH, CmpN, MiddleBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>());
+<a name="l00817"></a>00817 <span class="comment">// Remove the old terminator.</span>
+<a name="l00818"></a>00818 MiddleBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>()-><a class="code" href="classllvm_1_1Instruction.html#a6fe2f06b8a4b2c3d6308afb223a0238a">eraseFromParent</a>();
+<a name="l00819"></a>00819
+<a name="l00820"></a>00820 <span class="comment">// Create i+1 and fill the PHINode.</span>
+<a name="l00821"></a>00821 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *NextIdx = Builder.CreateAdd(Induction, Step, <span class="stringliteral">"index.next"</span>);
+<a name="l00822"></a>00822 Induction->addIncoming(StartIdx, VectorPH);
+<a name="l00823"></a>00823 Induction->addIncoming(NextIdx, VecBody);
+<a name="l00824"></a>00824 <span class="comment">// Create the compare.</span>
+<a name="l00825"></a>00825 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *<a class="code" href="namespacellvm.html#a6a4ce50f71e29df6dd1920cf067a2eb5">ICmp</a> = Builder.CreateICmpEQ(NextIdx, IdxEndRoundDown);
+<a name="l00826"></a>00826 Builder.CreateCondBr(ICmp, MiddleBlock, VecBody);
+<a name="l00827"></a>00827
+<a name="l00828"></a>00828 <span class="comment">// Now we have two terminators. Remove the old one from the block.</span>
+<a name="l00829"></a>00829 VecBody-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>()-><a class="code" href="classllvm_1_1Instruction.html#a6fe2f06b8a4b2c3d6308afb223a0238a">eraseFromParent</a>();
+<a name="l00830"></a>00830
+<a name="l00831"></a>00831 <span class="comment">// Fix the scalar body iteration count.</span>
+<a name="l00832"></a>00832 <span class="keywordtype">unsigned</span> BlockIdx = OldInduction->getBasicBlockIndex(ScalarPH);
+<a name="l00833"></a>00833 OldInduction->setIncomingValue(BlockIdx, ResumeIndex);
+<a name="l00834"></a>00834
+<a name="l00835"></a>00835 <span class="comment">// Get ready to start creating new instructions into the vectorized body.</span>
+<a name="l00836"></a>00836 Builder.SetInsertPoint(VecBody-><a class="code" href="classllvm_1_1BasicBlock.html#ab1cd5a3713b93a33f89a2086d473cf6e">getFirstInsertionPt</a>());
+<a name="l00837"></a>00837
+<a name="l00838"></a>00838 <span class="comment">// Register the new loop.</span>
+<a name="l00839"></a>00839 <a class="code" href="classllvm_1_1Loop.html">Loop</a>* Lp = <span class="keyword">new</span> <a class="code" href="namespacellvm_1_1GC.html#a5f606a2b04c809f789a574660cd25213a960eba6a93af558b44d3d14e8393d324" title="Instr is a loop (backwards branch).">Loop</a>();
+<a name="l00840"></a>00840 LPM->insertLoop(Lp, OrigLoop-><a class="code" href="classllvm_1_1LoopBase.html#a1431766de798501f107d9031821f311e">getParentLoop</a>());
+<a name="l00841"></a>00841
+<a name="l00842"></a>00842 Lp-><a class="code" href="classllvm_1_1LoopBase.html#a63f099d3bf7cf97eb3ae2d630e3d1afc">addBasicBlockToLoop</a>(VecBody, <a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>->getBase());
+<a name="l00843"></a>00843
+<a name="l00844"></a>00844 <a class="code" href="classllvm_1_1Loop.html">Loop</a> *ParentLoop = OrigLoop-><a class="code" href="classllvm_1_1LoopBase.html#a1431766de798501f107d9031821f311e">getParentLoop</a>();
+<a name="l00845"></a>00845 <span class="keywordflow">if</span> (ParentLoop) {
+<a name="l00846"></a>00846 ParentLoop-><a class="code" href="classllvm_1_1LoopBase.html#a63f099d3bf7cf97eb3ae2d630e3d1afc">addBasicBlockToLoop</a>(ScalarPH, <a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>->getBase());
+<a name="l00847"></a>00847 ParentLoop-><a class="code" href="classllvm_1_1LoopBase.html#a63f099d3bf7cf97eb3ae2d630e3d1afc">addBasicBlockToLoop</a>(VectorPH, <a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>->getBase());
+<a name="l00848"></a>00848 ParentLoop-><a class="code" href="classllvm_1_1LoopBase.html#a63f099d3bf7cf97eb3ae2d630e3d1afc">addBasicBlockToLoop</a>(MiddleBlock, <a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>->getBase());
+<a name="l00849"></a>00849 }
+<a name="l00850"></a>00850
+<a name="l00851"></a>00851 <span class="comment">// Save the state.</span>
+<a name="l00852"></a>00852 LoopVectorPreHeader = VectorPH;
+<a name="l00853"></a>00853 LoopScalarPreHeader = ScalarPH;
+<a name="l00854"></a>00854 LoopMiddleBlock = MiddleBlock;
+<a name="l00855"></a>00855 LoopExitBlock = ExitBlock;
+<a name="l00856"></a>00856 LoopVectorBody = VecBody;
+<a name="l00857"></a>00857 LoopScalarBody = OldBasicBlock;
+<a name="l00858"></a>00858 LoopBypassBlock = BypassBlock;
+<a name="l00859"></a>00859 }
+<a name="l00860"></a>00860 <span class="comment"></span>
+<a name="l00861"></a>00861 <span class="comment">/// This function returns the identity element (or neutral element) for</span>
+<a name="l00862"></a>00862 <span class="comment">/// the operation K.</span>
+<a name="l00863"></a>00863 <span class="comment"></span><span class="keyword">static</span> <span class="keywordtype">unsigned</span>
+<a name="l00864"></a>00864 getReductionIdentity(LoopVectorizationLegality::ReductionKind K) {
+<a name="l00865"></a>00865 <span class="keywordflow">switch</span> (K) {
+<a name="l00866"></a>00866 <span class="keywordflow">case</span> LoopVectorizationLegality::IntegerXor:
+<a name="l00867"></a>00867 <span class="keywordflow">case</span> LoopVectorizationLegality::IntegerAdd:
+<a name="l00868"></a>00868 <span class="keywordflow">case</span> LoopVectorizationLegality::IntegerOr:
+<a name="l00869"></a>00869 <span class="comment">// Adding, Xoring, Oring zero to a number does not change it.</span>
+<a name="l00870"></a>00870 <span class="keywordflow">return</span> 0;
+<a name="l00871"></a>00871 <span class="keywordflow">case</span> LoopVectorizationLegality::IntegerMult:
+<a name="l00872"></a>00872 <span class="comment">// Multiplying a number by 1 does not change it.</span>
+<a name="l00873"></a>00873 <span class="keywordflow">return</span> 1;
+<a name="l00874"></a>00874 <span class="keywordflow">case</span> LoopVectorizationLegality::IntegerAnd:
+<a name="l00875"></a>00875 <span class="comment">// AND-ing a number with an all-1 value does not change it.</span>
+<a name="l00876"></a>00876 <span class="keywordflow">return</span> -1;
+<a name="l00877"></a>00877 <span class="keywordflow">default</span>:
+<a name="l00878"></a>00878 <a class="code" href="ErrorHandling_8h.html#ace243f5c25697a1107cce46626b3dc94">llvm_unreachable</a>(<span class="stringliteral">"Unknown reduction kind"</span>);
+<a name="l00879"></a>00879 }
+<a name="l00880"></a>00880 }
+<a name="l00881"></a>00881
+<a name="l00882"></a>00882 <span class="keywordtype">void</span>
+<a name="l00883"></a>00883 SingleBlockLoopVectorizer::vectorizeLoop(LoopVectorizationLegality *Legal) {
+<a name="l00884"></a>00884 <span class="comment">//===------------------------------------------------===//</span>
+<a name="l00885"></a>00885 <span class="comment">//</span>
+<a name="l00886"></a>00886 <span class="comment">// Notice: any optimization or new instruction that go</span>
+<a name="l00887"></a>00887 <span class="comment">// into the code below should be also be implemented in</span>
+<a name="l00888"></a>00888 <span class="comment">// the cost-model.</span>
+<a name="l00889"></a>00889 <span class="comment">//</span>
+<a name="l00890"></a>00890 <span class="comment">//===------------------------------------------------===//</span>
+<a name="l00891"></a>00891 <span class="keyword">typedef</span> <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<PHINode*, 4></a> PhiVector;
+<a name="l00892"></a>00892 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> &BB = *OrigLoop->getHeader();
+<a name="l00893"></a>00893 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *Zero = <a class="code" href="classllvm_1_1ConstantInt.html#a9105541412dab869e18b3cceebfff07d">ConstantInt::get</a>(
+<a name="l00894"></a>00894 <a class="code" href="classllvm_1_1Type.html#a30dd396c5b40cd86c1591872e574ccdf">IntegerType::getInt32Ty</a>(BB.<a class="code" href="classllvm_1_1BasicBlock.html#ad652423d9d91271ba153eb86482b2f55" title="getContext - Get the context in which this basic block lives.">getContext</a>()), 0);
+<a name="l00895"></a>00895
+<a name="l00896"></a>00896 <span class="comment">// In order to support reduction variables we need to be able to vectorize</span>
+<a name="l00897"></a>00897 <span class="comment">// Phi nodes. Phi nodes have cycles, so we need to vectorize them in two</span>
+<a name="l00898"></a>00898 <span class="comment">// steages. First, we create a new vector PHI node with no incoming edges.</span>
+<a name="l00899"></a>00899 <span class="comment">// We use this value when we vectorize all of the instructions that use the</span>
+<a name="l00900"></a>00900 <span class="comment">// PHI. Next, after all of the instructions in the block are complete we</span>
+<a name="l00901"></a>00901 <span class="comment">// add the new incoming edges to the PHI. At this point all of the</span>
+<a name="l00902"></a>00902 <span class="comment">// instructions in the basic block are vectorized, so we can use them to</span>
+<a name="l00903"></a>00903 <span class="comment">// construct the PHI.</span>
+<a name="l00904"></a>00904 PhiVector PHIsToFix;
+<a name="l00905"></a>00905
+<a name="l00906"></a>00906 <span class="comment">// For each instruction in the old loop.</span>
+<a name="l00907"></a>00907 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">BasicBlock::iterator</a> it = BB.<a class="code" href="classllvm_1_1BasicBlock.html#a0ed5f3ab3c2e4196ee0cffffa080c062">begin</a>(), e = BB.<a class="code" href="classllvm_1_1BasicBlock.html#a0b4e7bee9b8575cc7db73329f1a561bd">end</a>(); it != e; ++it) {
+<a name="l00908"></a>00908 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *Inst = it;
+<a name="l00909"></a>00909
+<a name="l00910"></a>00910 <span class="keywordflow">switch</span> (Inst-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>()) {
+<a name="l00911"></a>00911 <span class="keywordflow">case</span> Instruction::Br:
+<a name="l00912"></a>00912 <span class="comment">// Nothing to do for PHIs and BR, since we already took care of the</span>
+<a name="l00913"></a>00913 <span class="comment">// loop control flow instructions.</span>
+<a name="l00914"></a>00914 <span class="keywordflow">continue</span>;
+<a name="l00915"></a>00915 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a332cde6eadc39e042b35937d137c83f6">Instruction::PHI</a>:{
+<a name="l00916"></a>00916 <a class="code" href="classllvm_1_1PHINode.html">PHINode</a>* P = cast<PHINode>(Inst);
+<a name="l00917"></a>00917 <span class="comment">// Special handling for the induction var.</span>
+<a name="l00918"></a>00918 <span class="keywordflow">if</span> (OldInduction == Inst)
+<a name="l00919"></a>00919 <span class="keywordflow">continue</span>;
+<a name="l00920"></a>00920 <span class="comment">// This is phase one of vectorizing PHIs.</span>
+<a name="l00921"></a>00921 <span class="comment">// This has to be a reduction variable.</span>
+<a name="l00922"></a>00922 assert(Legal->getReductionVars()->count(P) && <span class="stringliteral">"Not a Reduction"</span>);
+<a name="l00923"></a>00923 <a class="code" href="classllvm_1_1Type.html">Type</a> *VecTy = <a class="code" href="classllvm_1_1VectorType.html#ab43657ed1abe2e2ed3a6a394f233ebd0">VectorType::get</a>(Inst-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>(), VF);
+<a name="l00924"></a>00924 WidenMap[Inst] = Builder.CreatePHI(VecTy, 2, <span class="stringliteral">"vec.phi"</span>);
+<a name="l00925"></a>00925 PHIsToFix.push_back(P);
+<a name="l00926"></a>00926 <span class="keywordflow">continue</span>;
+<a name="l00927"></a>00927 }
+<a name="l00928"></a>00928 <span class="keywordflow">case</span> Instruction::Add:
+<a name="l00929"></a>00929 <span class="keywordflow">case</span> Instruction::FAdd:
+<a name="l00930"></a>00930 <span class="keywordflow">case</span> Instruction::Sub:
+<a name="l00931"></a>00931 <span class="keywordflow">case</span> Instruction::FSub:
+<a name="l00932"></a>00932 <span class="keywordflow">case</span> Instruction::Mul:
+<a name="l00933"></a>00933 <span class="keywordflow">case</span> Instruction::FMul:
+<a name="l00934"></a>00934 <span class="keywordflow">case</span> Instruction::UDiv:
+<a name="l00935"></a>00935 <span class="keywordflow">case</span> Instruction::SDiv:
+<a name="l00936"></a>00936 <span class="keywordflow">case</span> Instruction::FDiv:
+<a name="l00937"></a>00937 <span class="keywordflow">case</span> Instruction::URem:
+<a name="l00938"></a>00938 <span class="keywordflow">case</span> Instruction::SRem:
+<a name="l00939"></a>00939 <span class="keywordflow">case</span> Instruction::FRem:
+<a name="l00940"></a>00940 <span class="keywordflow">case</span> Instruction::Shl:
+<a name="l00941"></a>00941 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a5d76973fd2e5e0fd234e129d3fb03db0">Instruction::LShr</a>:
+<a name="l00942"></a>00942 <span class="keywordflow">case</span> Instruction::AShr:
+<a name="l00943"></a>00943 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1APIntOps.html#a684cfe02c582e8d75cd6d457e63e6c25" title="Bitwise AND function for APInt.">Instruction::And</a>:
+<a name="l00944"></a>00944 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1APIntOps.html#a22f056804d2b9882f74adc905872bc39" title="Bitwise OR function for APInt.">Instruction::Or</a>:
+<a name="l00945"></a>00945 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1APIntOps.html#afc7c4d88d09cba0c5e920f8a3a3ace55" title="Bitwise XOR function for APInt.">Instruction::Xor</a>: {
+<a name="l00946"></a>00946 <span class="comment">// Just widen binops.</span>
+<a name="l00947"></a>00947 <a class="code" href="classllvm_1_1BinaryOperator.html">BinaryOperator</a> *BinOp = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1BinaryOperator.html">BinaryOperator</a>>(Inst);
+<a name="l00948"></a>00948 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11bad9577456b5bb7a03b7f42a710e122ab5">A</a> = getVectorValue(Inst-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(0));
+<a name="l00949"></a>00949 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *B = getVectorValue(Inst-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(1));
+<a name="l00950"></a>00950
+<a name="l00951"></a>00951 <span class="comment">// Use this vector value for all users of the original instruction.</span>
+<a name="l00952"></a>00952 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *V = Builder.CreateBinOp(BinOp-><a class="code" href="classllvm_1_1BinaryOperator.html#a88505baf41407782678a5df1702d2d31" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(), <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11bad9577456b5bb7a03b7f42a710e122ab5">A</a>, B);
+<a name="l00953"></a>00953 WidenMap[Inst] = V;
+<a name="l00954"></a>00954
+<a name="l00955"></a>00955 <span class="comment">// Update the NSW, NUW and Exact flags.</span>
+<a name="l00956"></a>00956 <a class="code" href="classllvm_1_1BinaryOperator.html">BinaryOperator</a> *VecOp = cast<BinaryOperator>(V);
+<a name="l00957"></a>00957 <span class="keywordflow">if</span> (isa<OverflowingBinaryOperator>(BinOp)) {
+<a name="l00958"></a>00958 VecOp-><a class="code" href="classllvm_1_1BinaryOperator.html#a21ce697328893029ae2c63974061a294">setHasNoSignedWrap</a>(BinOp-><a class="code" href="classllvm_1_1BinaryOperator.html#a07783e6f39803037259a1ebe376c2b1e" title="hasNoSignedWrap - Determine whether the no signed wrap flag is set.">hasNoSignedWrap</a>());
+<a name="l00959"></a>00959 VecOp-><a class="code" href="classllvm_1_1BinaryOperator.html#aaa9083a85e23c9c5ee366920d90ae51e">setHasNoUnsignedWrap</a>(BinOp-><a class="code" href="classllvm_1_1BinaryOperator.html#a5b6cd6c043f54b40899aff62e6e40488" title="hasNoUnsignedWrap - Determine whether the no unsigned wrap flag is set.">hasNoUnsignedWrap</a>());
+<a name="l00960"></a>00960 }
+<a name="l00961"></a>00961 <span class="keywordflow">if</span> (isa<PossiblyExactOperator>(VecOp))
+<a name="l00962"></a>00962 VecOp-><a class="code" href="classllvm_1_1BinaryOperator.html#aac502d7d65e2996cf6b819b14e17499c">setIsExact</a>(BinOp-><a class="code" href="classllvm_1_1BinaryOperator.html#a0f67e7208255f5088f0d515185109174" title="isExact - Determine whether the exact flag is set.">isExact</a>());
+<a name="l00963"></a>00963 <span class="keywordflow">break</span>;
+<a name="l00964"></a>00964 }
+<a name="l00965"></a>00965 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1MCID.html#accb16fffd544529ed4d816a45e40f425a32dbd2c72a98eaee90e3ad5ef7b5af16">Instruction::Select</a>: {
+<a name="l00966"></a>00966 <span class="comment">// Widen selects.</span>
+<a name="l00967"></a>00967 <span class="comment">// If the selector is loop invariant we can create a select</span>
+<a name="l00968"></a>00968 <span class="comment">// instruction with a scalar condition. Otherwise, use vector-select.</span>
+<a name="l00969"></a>00969 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Cond = Inst-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(0);
+<a name="l00970"></a>00970 <span class="keywordtype">bool</span> InvariantCond = SE->isLoopInvariant(SE->getSCEV(Cond), OrigLoop);
+<a name="l00971"></a>00971
+<a name="l00972"></a>00972 <span class="comment">// The condition can be loop invariant but still defined inside the</span>
+<a name="l00973"></a>00973 <span class="comment">// loop. This means that we can't just use the original 'cond' value.</span>
+<a name="l00974"></a>00974 <span class="comment">// We have to take the 'vectorized' value and pick the first lane.</span>
+<a name="l00975"></a>00975 <span class="comment">// Instcombine will make this a no-op.</span>
+<a name="l00976"></a>00976 Cond = getVectorValue(Cond);
+<a name="l00977"></a>00977 <span class="keywordflow">if</span> (InvariantCond)
+<a name="l00978"></a>00978 Cond = Builder.CreateExtractElement(Cond, Builder.getInt32(0));
+<a name="l00979"></a>00979
+<a name="l00980"></a>00980 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Op0 = getVectorValue(Inst-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(1));
+<a name="l00981"></a>00981 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Op1 = getVectorValue(Inst-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(2));
+<a name="l00982"></a>00982 WidenMap[Inst] = Builder.CreateSelect(Cond, Op0, Op1);
+<a name="l00983"></a>00983 <span class="keywordflow">break</span>;
+<a name="l00984"></a>00984 }
+<a name="l00985"></a>00985
+<a name="l00986"></a>00986 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a6a4ce50f71e29df6dd1920cf067a2eb5">Instruction::ICmp</a>:
+<a name="l00987"></a>00987 <span class="keywordflow">case</span> Instruction::FCmp: {
+<a name="l00988"></a>00988 <span class="comment">// Widen compares. Generate vector compares.</span>
+<a name="l00989"></a>00989 <span class="keywordtype">bool</span> FCmp = (Inst-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>() == Instruction::FCmp);
+<a name="l00990"></a>00990 <a class="code" href="classllvm_1_1CmpInst.html" title="Abstract base class of comparison instructions.">CmpInst</a> *Cmp = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1CmpInst.html" title="Abstract base class of comparison instructions.">CmpInst</a>>(Inst);
+<a name="l00991"></a>00991 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11bad9577456b5bb7a03b7f42a710e122ab5">A</a> = getVectorValue(Inst-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(0));
+<a name="l00992"></a>00992 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *B = getVectorValue(Inst-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(1));
+<a name="l00993"></a>00993 <span class="keywordflow">if</span> (FCmp)
+<a name="l00994"></a>00994 WidenMap[Inst] = Builder.CreateFCmp(Cmp-><a class="code" href="classllvm_1_1CmpInst.html#a8afd4995fae596b2c86eeed85b3d388b" title="Return the predicate for this instruction.">getPredicate</a>(), <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11bad9577456b5bb7a03b7f42a710e122ab5">A</a>, B);
+<a name="l00995"></a>00995 <span class="keywordflow">else</span>
+<a name="l00996"></a>00996 WidenMap[Inst] = Builder.CreateICmp(Cmp-><a class="code" href="classllvm_1_1CmpInst.html#a8afd4995fae596b2c86eeed85b3d388b" title="Return the predicate for this instruction.">getPredicate</a>(), <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11bad9577456b5bb7a03b7f42a710e122ab5">A</a>, B);
+<a name="l00997"></a>00997 <span class="keywordflow">break</span>;
+<a name="l00998"></a>00998 }
+<a name="l00999"></a>00999
+<a name="l01000"></a>01000 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1SPII.html#add994c36633ba2d8f6a1366b775e88a6a36b3dd3b84fde3f8494a9b18af131856">Instruction::Store</a>: {
+<a name="l01001"></a>01001 <span class="comment">// Attempt to issue a wide store.</span>
+<a name="l01002"></a>01002 <a class="code" href="classllvm_1_1StoreInst.html">StoreInst</a> *SI = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1StoreInst.html">StoreInst</a>>(Inst);
+<a name="l01003"></a>01003 <a class="code" href="classllvm_1_1Type.html">Type</a> *StTy = <a class="code" href="classllvm_1_1VectorType.html#ab43657ed1abe2e2ed3a6a394f233ebd0">VectorType::get</a>(SI-><a class="code" href="classllvm_1_1StoreInst.html#a14298313bdf734e2db5a921cc6e861a0">getValueOperand</a>()-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>(), VF);
+<a name="l01004"></a>01004 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Ptr = SI-><a class="code" href="classllvm_1_1StoreInst.html#ac03c1c093059ea000216af8dd6f2dbf4">getPointerOperand</a>();
+<a name="l01005"></a>01005 <span class="keywordtype">unsigned</span> Alignment = SI-><a class="code" href="classllvm_1_1StoreInst.html#a3084f1dd69d67e1965fd1fe721a69f2e">getAlignment</a>();
+<a name="l01006"></a>01006
+<a name="l01007"></a>01007 assert(!Legal->isUniform(Ptr) &&
+<a name="l01008"></a>01008 <span class="stringliteral">"We do not allow storing to uniform addresses"</span>);
+<a name="l01009"></a>01009
+<a name="l01010"></a>01010 <a class="code" href="classllvm_1_1GetElementPtrInst.html">GetElementPtrInst</a> *Gep = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1GetElementPtrInst.html">GetElementPtrInst</a>>(Ptr);
+<a name="l01011"></a>01011
+<a name="l01012"></a>01012 <span class="comment">// This store does not use GEPs.</span>
+<a name="l01013"></a>01013 <span class="keywordflow">if</span> (!Legal->isConsecutiveGep(Gep)) {
+<a name="l01014"></a>01014 scalarizeInstruction(Inst);
+<a name="l01015"></a>01015 <span class="keywordflow">break</span>;
+<a name="l01016"></a>01016 }
+<a name="l01017"></a>01017
+<a name="l01018"></a>01018 <span class="comment">// The last index does not have to be the induction. It can be</span>
+<a name="l01019"></a>01019 <span class="comment">// consecutive and be a function of the index. For example A[I+1];</span>
+<a name="l01020"></a>01020 <span class="keywordtype">unsigned</span> NumOperands = Gep->getNumOperands();
+<a name="l01021"></a>01021 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *LastIndex = getVectorValue(Gep->getOperand(NumOperands - 1));
+<a name="l01022"></a>01022 LastIndex = Builder.CreateExtractElement(LastIndex, Zero);
+<a name="l01023"></a>01023
+<a name="l01024"></a>01024 <span class="comment">// Create the new GEP with the new induction variable.</span>
+<a name="l01025"></a>01025 <a class="code" href="classllvm_1_1GetElementPtrInst.html">GetElementPtrInst</a> *Gep2 = cast<GetElementPtrInst>(Gep->clone());
+<a name="l01026"></a>01026 Gep2-><a class="code" href="classllvm_1_1User.html#a5fa9b8e1842b354f64c1ba6be0a4a17f">setOperand</a>(NumOperands - 1, LastIndex);
+<a name="l01027"></a>01027 Ptr = Builder.Insert(Gep2);
+<a name="l01028"></a>01028 Ptr = Builder.CreateBitCast(Ptr, StTy->getPointerTo());
+<a name="l01029"></a>01029 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Val = getVectorValue(SI-><a class="code" href="classllvm_1_1StoreInst.html#a14298313bdf734e2db5a921cc6e861a0">getValueOperand</a>());
+<a name="l01030"></a>01030 Builder.CreateStore(Val, Ptr)->setAlignment(Alignment);
+<a name="l01031"></a>01031 <span class="keywordflow">break</span>;
+<a name="l01032"></a>01032 }
+<a name="l01033"></a>01033 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1SPII.html#add994c36633ba2d8f6a1366b775e88a6a5069619ca8fdce305534f3fe85091a0f">Instruction::Load</a>: {
+<a name="l01034"></a>01034 <span class="comment">// Attempt to issue a wide load.</span>
+<a name="l01035"></a>01035 <a class="code" href="classllvm_1_1LoadInst.html">LoadInst</a> *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a> = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1LoadInst.html">LoadInst</a>>(Inst);
+<a name="l01036"></a>01036 <a class="code" href="classllvm_1_1Type.html">Type</a> *<a class="code" href="namespacellvm.html#ab83a048107217f63353d29f525d4794b">RetTy</a> = <a class="code" href="classllvm_1_1VectorType.html#ab43657ed1abe2e2ed3a6a394f233ebd0">VectorType::get</a>(LI-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>(), VF);
+<a name="l01037"></a>01037 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Ptr = LI-><a class="code" href="classllvm_1_1LoadInst.html#ad47eefa1d094f60494b6b927061ca001">getPointerOperand</a>();
+<a name="l01038"></a>01038 <span class="keywordtype">unsigned</span> Alignment = LI-><a class="code" href="classllvm_1_1LoadInst.html#ad1168fc42bcba1b71217a4969483671a">getAlignment</a>();
+<a name="l01039"></a>01039 <a class="code" href="classllvm_1_1GetElementPtrInst.html">GetElementPtrInst</a> *Gep = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1GetElementPtrInst.html">GetElementPtrInst</a>>(Ptr);
+<a name="l01040"></a>01040
+<a name="l01041"></a>01041 <span class="comment">// If we don't have a gep, or that the pointer is loop invariant,</span>
+<a name="l01042"></a>01042 <span class="comment">// scalarize the load.</span>
+<a name="l01043"></a>01043 <span class="keywordflow">if</span> (!Gep || Legal->isUniform(Gep) || !Legal->isConsecutiveGep(Gep)) {
+<a name="l01044"></a>01044 scalarizeInstruction(Inst);
+<a name="l01045"></a>01045 <span class="keywordflow">break</span>;
+<a name="l01046"></a>01046 }
+<a name="l01047"></a>01047
+<a name="l01048"></a>01048 <span class="comment">// The last index does not have to be the induction. It can be</span>
+<a name="l01049"></a>01049 <span class="comment">// consecutive and be a function of the index. For example A[I+1];</span>
+<a name="l01050"></a>01050 <span class="keywordtype">unsigned</span> NumOperands = Gep-><a class="code" href="classllvm_1_1User.html#a2f81e0c1fc6554df7ad2eafabf5fc5a5">getNumOperands</a>();
+<a name="l01051"></a>01051 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *LastIndex = getVectorValue(Gep-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(NumOperands -1));
+<a name="l01052"></a>01052 LastIndex = Builder.CreateExtractElement(LastIndex, Zero);
+<a name="l01053"></a>01053
+<a name="l01054"></a>01054 <span class="comment">// Create the new GEP with the new induction variable.</span>
+<a name="l01055"></a>01055 <a class="code" href="classllvm_1_1GetElementPtrInst.html">GetElementPtrInst</a> *Gep2 = cast<GetElementPtrInst>(Gep-><a class="code" href="classllvm_1_1Instruction.html#af6aad0c9ba7b8720130235c9621b55b5">clone</a>());
+<a name="l01056"></a>01056 Gep2-><a class="code" href="classllvm_1_1User.html#a5fa9b8e1842b354f64c1ba6be0a4a17f">setOperand</a>(NumOperands - 1, LastIndex);
+<a name="l01057"></a>01057 Ptr = Builder.Insert(Gep2);
+<a name="l01058"></a>01058 Ptr = Builder.CreateBitCast(Ptr, RetTy->getPointerTo());
+<a name="l01059"></a>01059 LI = Builder.CreateLoad(Ptr);
+<a name="l01060"></a>01060 LI-><a class="code" href="classllvm_1_1LoadInst.html#a218ef27c964707a907f12db0f9b002ba">setAlignment</a>(Alignment);
+<a name="l01061"></a>01061 <span class="comment">// Use this vector value for all users of the load.</span>
+<a name="l01062"></a>01062 WidenMap[Inst] = <a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>;
+<a name="l01063"></a>01063 <span class="keywordflow">break</span>;
+<a name="l01064"></a>01064 }
+<a name="l01065"></a>01065 <span class="keywordflow">case</span> Instruction::ZExt:
+<a name="l01066"></a>01066 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#ae2dfc57500e32ee6f5ac871f7ec55d5b">Instruction::SExt</a>:
+<a name="l01067"></a>01067 <span class="keywordflow">case</span> Instruction::FPToUI:
+<a name="l01068"></a>01068 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a3677968984dd841410ed46288fd5ab6c">Instruction::FPToSI</a>:
+<a name="l01069"></a>01069 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a24e13352d9c828e3de6682f4baae88fd">Instruction::FPExt</a>:
+<a name="l01070"></a>01070 <span class="keywordflow">case</span> Instruction::PtrToInt:
+<a name="l01071"></a>01071 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a20744d4958a3cd24012862024a8b5851">Instruction::IntToPtr</a>:
+<a name="l01072"></a>01072 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#aa7d131dc7d18431127ae9fe7d4429fa7">Instruction::SIToFP</a>:
+<a name="l01073"></a>01073 <span class="keywordflow">case</span> Instruction::UIToFP:
+<a name="l01074"></a>01074 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a3da04da2a51c5da491960f875a3222ad">Instruction::Trunc</a>:
+<a name="l01075"></a>01075 <span class="keywordflow">case</span> Instruction::FPTrunc:
+<a name="l01076"></a>01076 <span class="keywordflow">case</span> Instruction::BitCast: {<span class="comment"></span>
+<a name="l01077"></a>01077 <span class="comment"> /// Vectorize bitcasts.</span>
+<a name="l01078"></a>01078 <span class="comment"></span> <a class="code" href="classllvm_1_1CastInst.html" title="Base class of casting instructions.">CastInst</a> *CI = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1CastInst.html" title="Base class of casting instructions.">CastInst</a>>(Inst);
+<a name="l01079"></a>01079 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11bad9577456b5bb7a03b7f42a710e122ab5">A</a> = getVectorValue(Inst-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(0));
+<a name="l01080"></a>01080 <a class="code" href="classllvm_1_1Type.html">Type</a> *DestTy = <a class="code" href="classllvm_1_1VectorType.html#ab43657ed1abe2e2ed3a6a394f233ebd0">VectorType::get</a>(CI-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()-><a class="code" href="classllvm_1_1Type.html#a8eafa71cf399da8f21b2af5549f3f9e7">getScalarType</a>(), VF);
+<a name="l01081"></a>01081 WidenMap[Inst] = Builder.CreateCast(CI-><a class="code" href="classllvm_1_1CastInst.html#adc3489e61d5f37a0e4c5589859fbccc2" title="Return the opcode of this CastInst.">getOpcode</a>(), <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11bad9577456b5bb7a03b7f42a710e122ab5">A</a>, DestTy);
+<a name="l01082"></a>01082 <span class="keywordflow">break</span>;
+<a name="l01083"></a>01083 }
+<a name="l01084"></a>01084
+<a name="l01085"></a>01085 <span class="keywordflow">default</span>:<span class="comment"></span>
+<a name="l01086"></a>01086 <span class="comment"> /// All other instructions are unsupported. Scalarize them.</span>
+<a name="l01087"></a>01087 <span class="comment"></span> scalarizeInstruction(Inst);
+<a name="l01088"></a>01088 <span class="keywordflow">break</span>;
+<a name="l01089"></a>01089 }<span class="comment">// end of switch.</span>
+<a name="l01090"></a>01090 }<span class="comment">// end of for_each instr.</span>
+<a name="l01091"></a>01091
+<a name="l01092"></a>01092 <span class="comment">// At this point every instruction in the original loop is widended to</span>
+<a name="l01093"></a>01093 <span class="comment">// a vector form. We are almost done. Now, we need to fix the PHI nodes</span>
+<a name="l01094"></a>01094 <span class="comment">// that we vectorized. The PHI nodes are currently empty because we did</span>
+<a name="l01095"></a>01095 <span class="comment">// not want to introduce cycles. Notice that the remaining PHI nodes</span>
+<a name="l01096"></a>01096 <span class="comment">// that we need to fix are reduction variables.</span>
+<a name="l01097"></a>01097
+<a name="l01098"></a>01098 <span class="comment">// Create the 'reduced' values for each of the induction vars.</span>
+<a name="l01099"></a>01099 <span class="comment">// The reduced values are the vector values that we scalarize and combine</span>
+<a name="l01100"></a>01100 <span class="comment">// after the loop is finished.</span>
+<a name="l01101"></a>01101 <span class="keywordflow">for</span> (PhiVector::iterator it = PHIsToFix.begin(), e = PHIsToFix.end();
+<a name="l01102"></a>01102 it != e; ++it) {
+<a name="l01103"></a>01103 <a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *RdxPhi = *it;
+<a name="l01104"></a>01104 <a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *VecRdxPhi = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1PHINode.html">PHINode</a>>(WidenMap[RdxPhi]);
+<a name="l01105"></a>01105 assert(RdxPhi && <span class="stringliteral">"Unable to recover vectorized PHI"</span>);
+<a name="l01106"></a>01106
+<a name="l01107"></a>01107 <span class="comment">// Find the reduction variable descriptor.</span>
+<a name="l01108"></a>01108 assert(Legal->getReductionVars()->count(RdxPhi) &&
+<a name="l01109"></a>01109 <span class="stringliteral">"Unable to find the reduction variable"</span>);
+<a name="l01110"></a>01110 LoopVectorizationLegality::ReductionDescriptor RdxDesc =
+<a name="l01111"></a>01111 (*Legal->getReductionVars())[RdxPhi];
+<a name="l01112"></a>01112
+<a name="l01113"></a>01113 <span class="comment">// We need to generate a reduction vector from the incoming scalar.</span>
+<a name="l01114"></a>01114 <span class="comment">// To do so, we need to generate the 'identity' vector and overide</span>
+<a name="l01115"></a>01115 <span class="comment">// one of the elements with the incoming scalar reduction. We need</span>
+<a name="l01116"></a>01116 <span class="comment">// to do it in the vector-loop preheader.</span>
+<a name="l01117"></a>01117 Builder.SetInsertPoint(LoopBypassBlock->getTerminator());
+<a name="l01118"></a>01118
+<a name="l01119"></a>01119 <span class="comment">// This is the vector-clone of the value that leaves the loop.</span>
+<a name="l01120"></a>01120 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *VectorExit = getVectorValue(RdxDesc.LoopExitInstr);
+<a name="l01121"></a>01121 <a class="code" href="classllvm_1_1Type.html">Type</a> *VecTy = VectorExit-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>();
+<a name="l01122"></a>01122
+<a name="l01123"></a>01123 <span class="comment">// Find the reduction identity variable. Zero for addition, or, xor,</span>
+<a name="l01124"></a>01124 <span class="comment">// one for multiplication, -1 for And.</span>
+<a name="l01125"></a>01125 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *Identity = getUniformVector(getReductionIdentity(RdxDesc.Kind),
+<a name="l01126"></a>01126 VecTy-><a class="code" href="classllvm_1_1Type.html#a8eafa71cf399da8f21b2af5549f3f9e7">getScalarType</a>());
+<a name="l01127"></a>01127
+<a name="l01128"></a>01128 <span class="comment">// This vector is the Identity vector where the first element is the</span>
+<a name="l01129"></a>01129 <span class="comment">// incoming scalar reduction.</span>
+<a name="l01130"></a>01130 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *VectorStart = Builder.CreateInsertElement(Identity,
+<a name="l01131"></a>01131 RdxDesc.StartValue, Zero);
+<a name="l01132"></a>01132
+<a name="l01133"></a>01133
+<a name="l01134"></a>01134 <span class="comment">// Fix the vector-loop phi.</span>
+<a name="l01135"></a>01135 <span class="comment">// We created the induction variable so we know that the</span>
+<a name="l01136"></a>01136 <span class="comment">// preheader is the first entry.</span>
+<a name="l01137"></a>01137 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *VecPreheader = Induction->getIncomingBlock(0);
+<a name="l01138"></a>01138
+<a name="l01139"></a>01139 <span class="comment">// Reductions do not have to start at zero. They can start with</span>
+<a name="l01140"></a>01140 <span class="comment">// any loop invariant values.</span>
+<a name="l01141"></a>01141 VecRdxPhi-><a class="code" href="classllvm_1_1PHINode.html#a089cccb6f231efee72abc76d0f9c695f">addIncoming</a>(VectorStart, VecPreheader);
+<a name="l01142"></a>01142 <span class="keywordtype">unsigned</span> SelfEdgeIdx = (RdxPhi)->getBasicBlockIndex(LoopScalarBody);
+<a name="l01143"></a>01143 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Val = getVectorValue(RdxPhi-><a class="code" href="classllvm_1_1PHINode.html#aba6a4cc4ed6d6fef3664b8d65ef04820">getIncomingValue</a>(SelfEdgeIdx));
+<a name="l01144"></a>01144 VecRdxPhi-><a class="code" href="classllvm_1_1PHINode.html#a089cccb6f231efee72abc76d0f9c695f">addIncoming</a>(Val, LoopVectorBody);
+<a name="l01145"></a>01145
+<a name="l01146"></a>01146 <span class="comment">// Before each round, move the insertion point right between</span>
+<a name="l01147"></a>01147 <span class="comment">// the PHIs and the values we are going to write.</span>
+<a name="l01148"></a>01148 <span class="comment">// This allows us to write both PHINodes and the extractelement</span>
+<a name="l01149"></a>01149 <span class="comment">// instructions.</span>
+<a name="l01150"></a>01150 Builder.SetInsertPoint(LoopMiddleBlock->getFirstInsertionPt());
+<a name="l01151"></a>01151
+<a name="l01152"></a>01152 <span class="comment">// This PHINode contains the vectorized reduction variable, or</span>
+<a name="l01153"></a>01153 <span class="comment">// the initial value vector, if we bypass the vector loop.</span>
+<a name="l01154"></a>01154 <a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *NewPhi = Builder.CreatePHI(VecTy, 2, <span class="stringliteral">"rdx.vec.exit.phi"</span>);
+<a name="l01155"></a>01155 NewPhi-><a class="code" href="classllvm_1_1PHINode.html#a089cccb6f231efee72abc76d0f9c695f">addIncoming</a>(VectorStart, LoopBypassBlock);
+<a name="l01156"></a>01156 NewPhi-><a class="code" href="classllvm_1_1PHINode.html#a089cccb6f231efee72abc76d0f9c695f">addIncoming</a>(getVectorValue(RdxDesc.LoopExitInstr), LoopVectorBody);
+<a name="l01157"></a>01157
+<a name="l01158"></a>01158 <span class="comment">// Extract the first scalar.</span>
+<a name="l01159"></a>01159 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Scalar0 =
+<a name="l01160"></a>01160 Builder.CreateExtractElement(NewPhi, Builder.getInt32(0));
+<a name="l01161"></a>01161 <span class="comment">// Extract and reduce the remaining vector elements.</span>
+<a name="l01162"></a>01162 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=1; i < VF; ++i) {
+<a name="l01163"></a>01163 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Scalar1 =
+<a name="l01164"></a>01164 Builder.CreateExtractElement(NewPhi, Builder.getInt32(i));
+<a name="l01165"></a>01165 <span class="keywordflow">switch</span> (RdxDesc.Kind) {
+<a name="l01166"></a>01166 <span class="keywordflow">case</span> LoopVectorizationLegality::IntegerAdd:
+<a name="l01167"></a>01167 Scalar0 = Builder.CreateAdd(Scalar0, Scalar1);
+<a name="l01168"></a>01168 <span class="keywordflow">break</span>;
+<a name="l01169"></a>01169 <span class="keywordflow">case</span> LoopVectorizationLegality::IntegerMult:
+<a name="l01170"></a>01170 Scalar0 = Builder.CreateMul(Scalar0, Scalar1);
+<a name="l01171"></a>01171 <span class="keywordflow">break</span>;
+<a name="l01172"></a>01172 <span class="keywordflow">case</span> LoopVectorizationLegality::IntegerOr:
+<a name="l01173"></a>01173 Scalar0 = Builder.CreateOr(Scalar0, Scalar1);
+<a name="l01174"></a>01174 <span class="keywordflow">break</span>;
+<a name="l01175"></a>01175 <span class="keywordflow">case</span> LoopVectorizationLegality::IntegerAnd:
+<a name="l01176"></a>01176 Scalar0 = Builder.CreateAnd(Scalar0, Scalar1);
+<a name="l01177"></a>01177 <span class="keywordflow">break</span>;
+<a name="l01178"></a>01178 <span class="keywordflow">case</span> LoopVectorizationLegality::IntegerXor:
+<a name="l01179"></a>01179 Scalar0 = Builder.CreateXor(Scalar0, Scalar1);
+<a name="l01180"></a>01180 <span class="keywordflow">break</span>;
+<a name="l01181"></a>01181 <span class="keywordflow">default</span>:
+<a name="l01182"></a>01182 <a class="code" href="ErrorHandling_8h.html#ace243f5c25697a1107cce46626b3dc94">llvm_unreachable</a>(<span class="stringliteral">"Unknown reduction operation"</span>);
+<a name="l01183"></a>01183 }
+<a name="l01184"></a>01184 }
+<a name="l01185"></a>01185
+<a name="l01186"></a>01186 <span class="comment">// Now, we need to fix the users of the reduction variable</span>
+<a name="l01187"></a>01187 <span class="comment">// inside and outside of the scalar remainder loop.</span>
+<a name="l01188"></a>01188 <span class="comment">// We know that the loop is in LCSSA form. We need to update the</span>
+<a name="l01189"></a>01189 <span class="comment">// PHI nodes in the exit blocks.</span>
+<a name="l01190"></a>01190 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">BasicBlock::iterator</a> LEI = LoopExitBlock->begin(),
+<a name="l01191"></a>01191 LEE = LoopExitBlock->end(); LEI != LEE; ++LEI) {
+<a name="l01192"></a>01192 <a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *LCSSAPhi = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1PHINode.html">PHINode</a>>(LEI);
+<a name="l01193"></a>01193 <span class="keywordflow">if</span> (!LCSSAPhi) <span class="keywordflow">continue</span>;
+<a name="l01194"></a>01194
+<a name="l01195"></a>01195 <span class="comment">// All PHINodes need to have a single entry edge, or two if</span>
+<a name="l01196"></a>01196 <span class="comment">// we already fixed them.</span>
+<a name="l01197"></a>01197 assert(LCSSAPhi-><a class="code" href="classllvm_1_1PHINode.html#aa45f6c0433576e3858a6209a43750ad4">getNumIncomingValues</a>() < 3 && <span class="stringliteral">"Invalid LCSSA PHI"</span>);
+<a name="l01198"></a>01198
+<a name="l01199"></a>01199 <span class="comment">// We found our reduction value exit-PHI. Update it with the</span>
+<a name="l01200"></a>01200 <span class="comment">// incoming bypass edge.</span>
+<a name="l01201"></a>01201 <span class="keywordflow">if</span> (LCSSAPhi-><a class="code" href="classllvm_1_1PHINode.html#aba6a4cc4ed6d6fef3664b8d65ef04820">getIncomingValue</a>(0) == RdxDesc.LoopExitInstr) {
+<a name="l01202"></a>01202 <span class="comment">// Add an edge coming from the bypass.</span>
+<a name="l01203"></a>01203 LCSSAPhi-><a class="code" href="classllvm_1_1PHINode.html#a089cccb6f231efee72abc76d0f9c695f">addIncoming</a>(Scalar0, LoopMiddleBlock);
+<a name="l01204"></a>01204 <span class="keywordflow">break</span>;
+<a name="l01205"></a>01205 }
+<a name="l01206"></a>01206 }<span class="comment">// end of the LCSSA phi scan.</span>
+<a name="l01207"></a>01207
+<a name="l01208"></a>01208 <span class="comment">// Fix the scalar loop reduction variable with the incoming reduction sum</span>
+<a name="l01209"></a>01209 <span class="comment">// from the vector body and from the backedge value.</span>
+<a name="l01210"></a>01210 <span class="keywordtype">int</span> IncomingEdgeBlockIdx = (RdxPhi)->getBasicBlockIndex(LoopScalarBody);
+<a name="l01211"></a>01211 <span class="keywordtype">int</span> SelfEdgeBlockIdx = (IncomingEdgeBlockIdx ? 0 : 1); <span class="comment">// The other block.</span>
+<a name="l01212"></a>01212 (RdxPhi)->setIncomingValue(SelfEdgeBlockIdx, Scalar0);
+<a name="l01213"></a>01213 (RdxPhi)->setIncomingValue(IncomingEdgeBlockIdx, RdxDesc.LoopExitInstr);
+<a name="l01214"></a>01214 }<span class="comment">// end of for each redux variable.</span>
+<a name="l01215"></a>01215 }
+<a name="l01216"></a>01216
+<a name="l01217"></a>01217 <span class="keywordtype">void</span> SingleBlockLoopVectorizer::updateAnalysis() {
+<a name="l01218"></a>01218 <span class="comment">// The original basic block.</span>
+<a name="l01219"></a>01219 SE->forgetLoop(OrigLoop);
+<a name="l01220"></a>01220
+<a name="l01221"></a>01221 <span class="comment">// Update the dominator tree information.</span>
+<a name="l01222"></a>01222 assert(DT->properlyDominates(LoopBypassBlock, LoopExitBlock) &&
+<a name="l01223"></a>01223 <span class="stringliteral">"Entry does not dominate exit."</span>);
+<a name="l01224"></a>01224
+<a name="l01225"></a>01225 DT->addNewBlock(LoopVectorPreHeader, LoopBypassBlock);
+<a name="l01226"></a>01226 DT->addNewBlock(LoopVectorBody, LoopVectorPreHeader);
+<a name="l01227"></a>01227 DT->addNewBlock(LoopMiddleBlock, LoopBypassBlock);
+<a name="l01228"></a>01228 DT->addNewBlock(LoopScalarPreHeader, LoopMiddleBlock);
+<a name="l01229"></a>01229 DT->changeImmediateDominator(LoopScalarBody, LoopScalarPreHeader);
+<a name="l01230"></a>01230 DT->changeImmediateDominator(LoopExitBlock, LoopMiddleBlock);
+<a name="l01231"></a>01231
+<a name="l01232"></a>01232 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(DT->verifyAnalysis());
+<a name="l01233"></a>01233 }
+<a name="l01234"></a>01234
+<a name="l01235"></a>01235 <span class="keywordtype">bool</span> LoopVectorizationLegality::canVectorize() {
+<a name="l01236"></a>01236 <span class="keywordflow">if</span> (!TheLoop->getLoopPreheader()) {
+<a name="l01237"></a>01237 assert(<span class="keyword">false</span> && <span class="stringliteral">"No preheader!!"</span>);
+<a name="l01238"></a>01238 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Loop not normalized."</span> << <span class="stringliteral">"\n"</span>);
+<a name="l01239"></a>01239 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01240"></a>01240 }
+<a name="l01241"></a>01241
+<a name="l01242"></a>01242 <span class="comment">// We can only vectorize single basic block loops.</span>
+<a name="l01243"></a>01243 <span class="keywordtype">unsigned</span> NumBlocks = TheLoop->getNumBlocks();
+<a name="l01244"></a>01244 <span class="keywordflow">if</span> (NumBlocks != 1) {
+<a name="l01245"></a>01245 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Too many blocks:"</span> << NumBlocks << <span class="stringliteral">"\n"</span>);
+<a name="l01246"></a>01246 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01247"></a>01247 }
+<a name="l01248"></a>01248
+<a name="l01249"></a>01249 <span class="comment">// We need to have a loop header.</span>
+<a name="l01250"></a>01250 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *BB = TheLoop->getHeader();
+<a name="l01251"></a>01251 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a loop: "</span> << BB-><a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>() << <span class="stringliteral">"\n"</span>);
+<a name="l01252"></a>01252
+<a name="l01253"></a>01253 <span class="comment">// ScalarEvolution needs to be able to find the exit count.</span>
+<a name="l01254"></a>01254 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *ExitCount = SE->getExitCount(TheLoop, BB);
+<a name="l01255"></a>01255 <span class="keywordflow">if</span> (ExitCount == SE->getCouldNotCompute()) {
+<a name="l01256"></a>01256 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: SCEV could not compute the loop exit count.\n"</span>);
+<a name="l01257"></a>01257 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01258"></a>01258 }
+<a name="l01259"></a>01259
+<a name="l01260"></a>01260 <span class="comment">// Do not loop-vectorize loops with a tiny trip count.</span>
+<a name="l01261"></a>01261 <span class="keywordtype">unsigned</span> TC = SE->getSmallConstantTripCount(TheLoop, BB);
+<a name="l01262"></a>01262 <span class="keywordflow">if</span> (TC > 0u && TC < <a class="code" href="LoopVectorize_8cpp.html#ad59a718a5efbaeb28e491479d0cad580" title="We don't vectorize loops with a known constant trip count below this number.">TinyTripCountThreshold</a>) {
+<a name="l01263"></a>01263 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a loop with a very small trip count. "</span> <<
+<a name="l01264"></a>01264 <span class="stringliteral">"This loop is not worth vectorizing.\n"</span>);
+<a name="l01265"></a>01265 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01266"></a>01266 }
+<a name="l01267"></a>01267
+<a name="l01268"></a>01268 <span class="comment">// Go over each instruction and look at memory deps.</span>
+<a name="l01269"></a>01269 <span class="keywordflow">if</span> (!canVectorizeBlock(*BB)) {
+<a name="l01270"></a>01270 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Can't vectorize this loop header\n"</span>);
+<a name="l01271"></a>01271 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01272"></a>01272 }
+<a name="l01273"></a>01273
+<a name="l01274"></a>01274 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: We can vectorize this loop"</span> <<
+<a name="l01275"></a>01275 (PtrRtCheck.Need ? <span class="stringliteral">" (with a runtime bound check)"</span> : <span class="stringliteral">""</span>)
+<a name="l01276"></a>01276 <<<span class="stringliteral">"!\n"</span>);
+<a name="l01277"></a>01277
+<a name="l01278"></a>01278 <span class="comment">// Okay! We can vectorize. At this point we don't have any other mem analysis</span>
+<a name="l01279"></a>01279 <span class="comment">// which may limit our maximum vectorization factor, so just return true with</span>
+<a name="l01280"></a>01280 <span class="comment">// no restrictions.</span>
+<a name="l01281"></a>01281 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l01282"></a>01282 }
+<a name="l01283"></a>01283
+<a name="l01284"></a>01284 <span class="keywordtype">bool</span> LoopVectorizationLegality::canVectorizeBlock(<a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> &BB) {
+<a name="l01285"></a>01285 <span class="comment">// Scan the instructions in the block and look for hazards.</span>
+<a name="l01286"></a>01286 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">BasicBlock::iterator</a> it = BB.<a class="code" href="classllvm_1_1BasicBlock.html#a0ed5f3ab3c2e4196ee0cffffa080c062">begin</a>(), e = BB.<a class="code" href="classllvm_1_1BasicBlock.html#a0b4e7bee9b8575cc7db73329f1a561bd">end</a>(); it != e; ++it) {
+<a name="l01287"></a>01287 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = it;
+<a name="l01288"></a>01288
+<a name="l01289"></a>01289 <a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *Phi = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1PHINode.html">PHINode</a>>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>);
+<a name="l01290"></a>01290 <span class="keywordflow">if</span> (Phi) {
+<a name="l01291"></a>01291 <span class="comment">// This should not happen because the loop should be normalized.</span>
+<a name="l01292"></a>01292 <span class="keywordflow">if</span> (Phi-><a class="code" href="classllvm_1_1PHINode.html#aa45f6c0433576e3858a6209a43750ad4">getNumIncomingValues</a>() != 2) {
+<a name="l01293"></a>01293 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found an invalid PHI.\n"</span>);
+<a name="l01294"></a>01294 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01295"></a>01295 }
+<a name="l01296"></a>01296 <span class="comment">// We only look at integer phi nodes.</span>
+<a name="l01297"></a>01297 <span class="keywordflow">if</span> (!Phi-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()-><a class="code" href="classllvm_1_1Type.html#a6e328feb83afa5cf1c966d6704e43fc1">isIntegerTy</a>()) {
+<a name="l01298"></a>01298 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found an non-int PHI.\n"</span>);
+<a name="l01299"></a>01299 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01300"></a>01300 }
+<a name="l01301"></a>01301
+<a name="l01302"></a>01302 <span class="keywordflow">if</span> (isInductionVariable(Phi)) {
+<a name="l01303"></a>01303 <span class="keywordflow">if</span> (Induction) {
+<a name="l01304"></a>01304 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found too many inductions."</span><< *Phi <<<span class="stringliteral">"\n"</span>);
+<a name="l01305"></a>01305 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01306"></a>01306 }
+<a name="l01307"></a>01307 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found the induction PHI."</span><< *Phi <<<span class="stringliteral">"\n"</span>);
+<a name="l01308"></a>01308 Induction = Phi;
+<a name="l01309"></a>01309 <span class="keywordflow">continue</span>;
+<a name="l01310"></a>01310 }
+<a name="l01311"></a>01311 <span class="keywordflow">if</span> (AddReductionVar(Phi, IntegerAdd)) {
+<a name="l01312"></a>01312 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found an ADD reduction PHI."</span><< *Phi <<<span class="stringliteral">"\n"</span>);
+<a name="l01313"></a>01313 <span class="keywordflow">continue</span>;
+<a name="l01314"></a>01314 }
+<a name="l01315"></a>01315 <span class="keywordflow">if</span> (AddReductionVar(Phi, IntegerMult)) {
+<a name="l01316"></a>01316 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a MUL reduction PHI."</span><< *Phi <<<span class="stringliteral">"\n"</span>);
+<a name="l01317"></a>01317 <span class="keywordflow">continue</span>;
+<a name="l01318"></a>01318 }
+<a name="l01319"></a>01319 <span class="keywordflow">if</span> (AddReductionVar(Phi, IntegerOr)) {
+<a name="l01320"></a>01320 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found an OR reduction PHI."</span><< *Phi <<<span class="stringliteral">"\n"</span>);
+<a name="l01321"></a>01321 <span class="keywordflow">continue</span>;
+<a name="l01322"></a>01322 }
+<a name="l01323"></a>01323 <span class="keywordflow">if</span> (AddReductionVar(Phi, IntegerAnd)) {
+<a name="l01324"></a>01324 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found an AND reduction PHI."</span><< *Phi <<<span class="stringliteral">"\n"</span>);
+<a name="l01325"></a>01325 <span class="keywordflow">continue</span>;
+<a name="l01326"></a>01326 }
+<a name="l01327"></a>01327 <span class="keywordflow">if</span> (AddReductionVar(Phi, IntegerXor)) {
+<a name="l01328"></a>01328 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a XOR reduction PHI."</span><< *Phi <<<span class="stringliteral">"\n"</span>);
+<a name="l01329"></a>01329 <span class="keywordflow">continue</span>;
+<a name="l01330"></a>01330 }
+<a name="l01331"></a>01331
+<a name="l01332"></a>01332 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found an unidentified PHI."</span><< *Phi <<<span class="stringliteral">"\n"</span>);
+<a name="l01333"></a>01333 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01334"></a>01334 }<span class="comment">// end of PHI handling</span>
+<a name="l01335"></a>01335
+<a name="l01336"></a>01336 <span class="comment">// We still don't handle functions.</span>
+<a name="l01337"></a>01337 <a class="code" href="classllvm_1_1CallInst.html">CallInst</a> *CI = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1CallInst.html">CallInst</a>>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>);
+<a name="l01338"></a>01338 <span class="keywordflow">if</span> (CI) {
+<a name="l01339"></a>01339 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a call site.\n"</span>);
+<a name="l01340"></a>01340 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01341"></a>01341 }
+<a name="l01342"></a>01342
+<a name="l01343"></a>01343 <span class="comment">// We do not re-vectorize vectors.</span>
+<a name="l01344"></a>01344 <span class="keywordflow">if</span> (!<a class="code" href="classllvm_1_1VectorType.html#a071e25c5c6eae5299b1cdc3350c6d55c">VectorType::isValidElementType</a>(I-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()) &&
+<a name="l01345"></a>01345 !I-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>()-><a class="code" href="classllvm_1_1Type.html#af5c7041df3ad5edffe5da17b5264c1fc" title="isVoidTy - Return true if this is 'void'.">isVoidTy</a>()) {
+<a name="l01346"></a>01346 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found unvectorizable type."</span> << <span class="stringliteral">"\n"</span>);
+<a name="l01347"></a>01347 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01348"></a>01348 }
+<a name="l01349"></a>01349
+<a name="l01350"></a>01350 <span class="comment">// Reduction instructions are allowed to have exit users.</span>
+<a name="l01351"></a>01351 <span class="comment">// All other instructions must not have external users.</span>
+<a name="l01352"></a>01352 <span class="keywordflow">if</span> (!AllowedExit.count(I))
+<a name="l01353"></a>01353 <span class="comment">//Check that all of the users of the loop are inside the BB.</span>
+<a name="l01354"></a>01354 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1value__use__iterator.html">Value::use_iterator</a> it = I-><a class="code" href="classllvm_1_1Value.html#a413abcab8dbc3900fc2fde96a5d8fca6">use_begin</a>(), e = I-><a class="code" href="classllvm_1_1Value.html#ad86469939d2a8bdd4169be9403b89f5a">use_end</a>();
+<a name="l01355"></a>01355 it != e; ++it) {
+<a name="l01356"></a>01356 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *U = cast<Instruction>(*it);
+<a name="l01357"></a>01357 <span class="comment">// This user may be a reduction exit value.</span>
+<a name="l01358"></a>01358 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *Parent = U-><a class="code" href="classllvm_1_1Instruction.html#a9cd49851904f15060edb782ef4dd1b2d">getParent</a>();
+<a name="l01359"></a>01359 <span class="keywordflow">if</span> (Parent != &BB) {
+<a name="l01360"></a>01360 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found an outside user for : "</span><< *U << <span class="stringliteral">"\n"</span>);
+<a name="l01361"></a>01361 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01362"></a>01362 }
+<a name="l01363"></a>01363 }
+<a name="l01364"></a>01364 } <span class="comment">// next instr.</span>
+<a name="l01365"></a>01365
+<a name="l01366"></a>01366 <span class="keywordflow">if</span> (!Induction) {
+<a name="l01367"></a>01367 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Did not find an induction var.\n"</span>);
+<a name="l01368"></a>01368 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01369"></a>01369 }
+<a name="l01370"></a>01370
+<a name="l01371"></a>01371 <span class="comment">// Don't vectorize if the memory dependencies do not allow vectorization.</span>
+<a name="l01372"></a>01372 <span class="keywordflow">if</span> (!canVectorizeMemory(BB))
+<a name="l01373"></a>01373 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01374"></a>01374
+<a name="l01375"></a>01375 <span class="comment">// We now know that the loop is vectorizable!</span>
+<a name="l01376"></a>01376 <span class="comment">// Collect variables that will remain uniform after vectorization.</span>
+<a name="l01377"></a>01377 std::vector<Value*> Worklist;
+<a name="l01378"></a>01378
+<a name="l01379"></a>01379 <span class="comment">// Start with the conditional branch and walk up the block.</span>
+<a name="l01380"></a>01380 Worklist.push_back(BB.<a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>()-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(0));
+<a name="l01381"></a>01381
+<a name="l01382"></a>01382 <span class="keywordflow">while</span> (Worklist.size()) {
+<a name="l01383"></a>01383 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1Instruction.html">Instruction</a>>(Worklist.back());
+<a name="l01384"></a>01384 Worklist.pop_back();
+<a name="l01385"></a>01385 <span class="comment">// Look at instructions inside this block.</span>
+<a name="l01386"></a>01386 <span class="keywordflow">if</span> (!I) <span class="keywordflow">continue</span>;
+<a name="l01387"></a>01387 <span class="keywordflow">if</span> (I-><a class="code" href="classllvm_1_1Instruction.html#a9cd49851904f15060edb782ef4dd1b2d">getParent</a>() != &BB) <span class="keywordflow">continue</span>;
+<a name="l01388"></a>01388
+<a name="l01389"></a>01389 <span class="comment">// Stop when reaching PHI nodes.</span>
+<a name="l01390"></a>01390 <span class="keywordflow">if</span> (isa<PHINode>(I)) {
+<a name="l01391"></a>01391 assert(I == Induction && <span class="stringliteral">"Found a uniform PHI that is not the induction"</span>);
+<a name="l01392"></a>01392 <span class="keywordflow">break</span>;
+<a name="l01393"></a>01393 }
+<a name="l01394"></a>01394
+<a name="l01395"></a>01395 <span class="comment">// This is a known uniform.</span>
+<a name="l01396"></a>01396 Uniforms.insert(I);
+<a name="l01397"></a>01397
+<a name="l01398"></a>01398 <span class="comment">// Insert all operands.</span>
+<a name="l01399"></a>01399 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0, Op = I-><a class="code" href="classllvm_1_1User.html#a2f81e0c1fc6554df7ad2eafabf5fc5a5">getNumOperands</a>(); i < Op; ++i) {
+<a name="l01400"></a>01400 Worklist.push_back(I-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(i));
+<a name="l01401"></a>01401 }
+<a name="l01402"></a>01402 }
+<a name="l01403"></a>01403
+<a name="l01404"></a>01404 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l01405"></a>01405 }
+<a name="l01406"></a>01406
+<a name="l01407"></a>01407 <span class="keywordtype">bool</span> LoopVectorizationLegality::canVectorizeMemory(<a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> &BB) {
+<a name="l01408"></a>01408 <span class="keyword">typedef</span> <a class="code" href="classllvm_1_1SmallVector.html">SmallVector<Value*, 16></a> ValueVector;
+<a name="l01409"></a>01409 <span class="keyword">typedef</span> <a class="code" href="classllvm_1_1SmallPtrSet.html">SmallPtrSet<Value*, 16></a> ValueSet;
+<a name="l01410"></a>01410 <span class="comment">// Holds the Load and Store *instructions*.</span>
+<a name="l01411"></a>01411 ValueVector Loads;
+<a name="l01412"></a>01412 ValueVector Stores;
+<a name="l01413"></a>01413 PtrRtCheck.Pointers.<a class="code" href="classllvm_1_1SmallPtrSetImpl.html#aa72472422d95c7052d62432ec279ff85">clear</a>();
+<a name="l01414"></a>01414 PtrRtCheck.Need = <span class="keyword">false</span>;
+<a name="l01415"></a>01415
+<a name="l01416"></a>01416 <span class="comment">// Scan the BB and collect legal loads and stores.</span>
+<a name="l01417"></a>01417 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">BasicBlock::iterator</a> it = BB.<a class="code" href="classllvm_1_1BasicBlock.html#a0ed5f3ab3c2e4196ee0cffffa080c062">begin</a>(), e = BB.<a class="code" href="classllvm_1_1BasicBlock.html#a0b4e7bee9b8575cc7db73329f1a561bd">end</a>(); it != e; ++it) {
+<a name="l01418"></a>01418 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = it;
+<a name="l01419"></a>01419
+<a name="l01420"></a>01420 <span class="comment">// If this is a load, save it. If this instruction can read from memory</span>
+<a name="l01421"></a>01421 <span class="comment">// but is not a load, then we quit. Notice that we don't handle function</span>
+<a name="l01422"></a>01422 <span class="comment">// calls that read or write.</span>
+<a name="l01423"></a>01423 <span class="keywordflow">if</span> (I-><a class="code" href="classllvm_1_1Instruction.html#a0fd8d3c26bf5cd614b0e6a9b8886a5d0">mayReadFromMemory</a>()) {
+<a name="l01424"></a>01424 <a class="code" href="classllvm_1_1LoadInst.html">LoadInst</a> *Ld = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1LoadInst.html">LoadInst</a>>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>);
+<a name="l01425"></a>01425 <span class="keywordflow">if</span> (!Ld) <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01426"></a>01426 <span class="keywordflow">if</span> (!Ld-><a class="code" href="classllvm_1_1LoadInst.html#a156c478ee8e7d1602143cdbad4bd5385">isSimple</a>()) {
+<a name="l01427"></a>01427 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a non-simple load.\n"</span>);
+<a name="l01428"></a>01428 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01429"></a>01429 }
+<a name="l01430"></a>01430 Loads.push_back(Ld);
+<a name="l01431"></a>01431 <span class="keywordflow">continue</span>;
+<a name="l01432"></a>01432 }
+<a name="l01433"></a>01433
+<a name="l01434"></a>01434 <span class="comment">// Save store instructions. Abort if other instructions write to memory.</span>
+<a name="l01435"></a>01435 <span class="keywordflow">if</span> (I-><a class="code" href="classllvm_1_1Instruction.html#aa26de3d6e38997b9041e824ea558c770">mayWriteToMemory</a>()) {
+<a name="l01436"></a>01436 <a class="code" href="classllvm_1_1StoreInst.html">StoreInst</a> *St = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1StoreInst.html">StoreInst</a>>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>);
+<a name="l01437"></a>01437 <span class="keywordflow">if</span> (!St) <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01438"></a>01438 <span class="keywordflow">if</span> (!St-><a class="code" href="classllvm_1_1StoreInst.html#a1149c7eeefca671ac2685bca13843568">isSimple</a>()) {
+<a name="l01439"></a>01439 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a non-simple store.\n"</span>);
+<a name="l01440"></a>01440 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01441"></a>01441 }
+<a name="l01442"></a>01442 Stores.push_back(St);
+<a name="l01443"></a>01443 }
+<a name="l01444"></a>01444 } <span class="comment">// next instr.</span>
+<a name="l01445"></a>01445
+<a name="l01446"></a>01446 <span class="comment">// Now we have two lists that hold the loads and the stores.</span>
+<a name="l01447"></a>01447 <span class="comment">// Next, we find the pointers that they use.</span>
+<a name="l01448"></a>01448
+<a name="l01449"></a>01449 <span class="comment">// Check if we see any stores. If there are no stores, then we don't</span>
+<a name="l01450"></a>01450 <span class="comment">// care if the pointers are *restrict*.</span>
+<a name="l01451"></a>01451 <span class="keywordflow">if</span> (!Stores.size()) {
+<a name="l01452"></a>01452 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a read-only loop!\n"</span>);
+<a name="l01453"></a>01453 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l01454"></a>01454 }
+<a name="l01455"></a>01455
+<a name="l01456"></a>01456 <span class="comment">// Holds the read and read-write *pointers* that we find.</span>
+<a name="l01457"></a>01457 ValueVector Reads;
+<a name="l01458"></a>01458 ValueVector ReadWrites;
+<a name="l01459"></a>01459
+<a name="l01460"></a>01460 <span class="comment">// Holds the analyzed pointers. We don't want to call GetUnderlyingObjects</span>
+<a name="l01461"></a>01461 <span class="comment">// multiple times on the same object. If the ptr is accessed twice, once</span>
+<a name="l01462"></a>01462 <span class="comment">// for read and once for write, it will only appear once (on the write</span>
+<a name="l01463"></a>01463 <span class="comment">// list). This is okay, since we are going to check for conflicts between</span>
+<a name="l01464"></a>01464 <span class="comment">// writes and between reads and writes, but not between reads and reads.</span>
+<a name="l01465"></a>01465 ValueSet Seen;
+<a name="l01466"></a>01466
+<a name="l01467"></a>01467 ValueVector::iterator <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>, <a class="code" href="namespacellvm_1_1ARM__PROC.html#a1add7850fad3f66c140ecee871460ea4ae9d798593a4a6b5cc48486a453a59e5e">IE</a>;
+<a name="l01468"></a>01468 <span class="keywordflow">for</span> (I = Stores.begin(), IE = Stores.end(); I != <a class="code" href="namespacellvm_1_1ARM__PROC.html#a1add7850fad3f66c140ecee871460ea4ae9d798593a4a6b5cc48486a453a59e5e">IE</a>; ++<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>) {
+<a name="l01469"></a>01469 <a class="code" href="classllvm_1_1StoreInst.html">StoreInst</a> *<a class="code" href="namespacellvm_1_1ARM__MB.html#ad70272e2a9ec2a7e3a497458e1edbc85aed0b9bef861c96eee19e89db753db7b2">ST</a> = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1StoreInst.html">StoreInst</a>>(*I);
+<a name="l01470"></a>01470 assert(ST && <span class="stringliteral">"Bad StoreInst"</span>);
+<a name="l01471"></a>01471 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a>* Ptr = ST-><a class="code" href="classllvm_1_1StoreInst.html#ac03c1c093059ea000216af8dd6f2dbf4">getPointerOperand</a>();
+<a name="l01472"></a>01472
+<a name="l01473"></a>01473 <span class="keywordflow">if</span> (isUniform(Ptr)) {
+<a name="l01474"></a>01474 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: We don't allow storing to uniform addresses\n"</span>);
+<a name="l01475"></a>01475 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01476"></a>01476 }
+<a name="l01477"></a>01477
+<a name="l01478"></a>01478 <span class="comment">// If we did *not* see this pointer before, insert it to</span>
+<a name="l01479"></a>01479 <span class="comment">// the read-write list. At this phase it is only a 'write' list.</span>
+<a name="l01480"></a>01480 <span class="keywordflow">if</span> (Seen.insert(Ptr))
+<a name="l01481"></a>01481 ReadWrites.push_back(Ptr);
+<a name="l01482"></a>01482 }
+<a name="l01483"></a>01483
+<a name="l01484"></a>01484 <span class="keywordflow">for</span> (I = Loads.begin(), IE = Loads.end(); I != <a class="code" href="namespacellvm_1_1ARM__PROC.html#a1add7850fad3f66c140ecee871460ea4ae9d798593a4a6b5cc48486a453a59e5e">IE</a>; ++<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>) {
+<a name="l01485"></a>01485 <a class="code" href="classllvm_1_1LoadInst.html">LoadInst</a> *LD = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1LoadInst.html">LoadInst</a>>(*I);
+<a name="l01486"></a>01486 assert(LD && <span class="stringliteral">"Bad LoadInst"</span>);
+<a name="l01487"></a>01487 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a>* Ptr = LD-><a class="code" href="classllvm_1_1LoadInst.html#ad47eefa1d094f60494b6b927061ca001">getPointerOperand</a>();
+<a name="l01488"></a>01488 <span class="comment">// If we did *not* see this pointer before, insert it to the</span>
+<a name="l01489"></a>01489 <span class="comment">// read list. If we *did* see it before, then it is already in</span>
+<a name="l01490"></a>01490 <span class="comment">// the read-write list. This allows us to vectorize expressions</span>
+<a name="l01491"></a>01491 <span class="comment">// such as A[i] += x; Because the address of A[i] is a read-write</span>
+<a name="l01492"></a>01492 <span class="comment">// pointer. This only works if the index of A[i] is consecutive.</span>
+<a name="l01493"></a>01493 <span class="comment">// If the address of i is unknown (for example A[B[i]]) then we may</span>
+<a name="l01494"></a>01494 <span class="comment">// read a few words, modify, and write a few words, and some of the</span>
+<a name="l01495"></a>01495 <span class="comment">// words may be written to the same address.</span>
+<a name="l01496"></a>01496 <span class="keywordflow">if</span> (Seen.insert(Ptr) || !isConsecutiveGep(Ptr))
+<a name="l01497"></a>01497 Reads.push_back(Ptr);
+<a name="l01498"></a>01498 }
+<a name="l01499"></a>01499
+<a name="l01500"></a>01500 <span class="comment">// If we write (or read-write) to a single destination and there are no</span>
+<a name="l01501"></a>01501 <span class="comment">// other reads in this loop then is it safe to vectorize.</span>
+<a name="l01502"></a>01502 <span class="keywordflow">if</span> (ReadWrites.size() == 1 && Reads.size() == 0) {
+<a name="l01503"></a>01503 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a write-only loop!\n"</span>);
+<a name="l01504"></a>01504 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l01505"></a>01505 }
+<a name="l01506"></a>01506
+<a name="l01507"></a>01507 <span class="comment">// Find pointers with computable bounds. We are going to use this information</span>
+<a name="l01508"></a>01508 <span class="comment">// to place a runtime bound check.</span>
+<a name="l01509"></a>01509 <span class="keywordtype">bool</span> RT = <span class="keyword">true</span>;
+<a name="l01510"></a>01510 <span class="keywordflow">for</span> (I = ReadWrites.begin(), IE = ReadWrites.end(); I != <a class="code" href="namespacellvm_1_1ARM__PROC.html#a1add7850fad3f66c140ecee871460ea4ae9d798593a4a6b5cc48486a453a59e5e">IE</a>; ++<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>)
+<a name="l01511"></a>01511 <span class="keywordflow">if</span> (hasComputableBounds(*I)) {
+<a name="l01512"></a>01512 PtrRtCheck.Pointers.push_back(*I);
+<a name="l01513"></a>01513 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a runtime check ptr:"</span> << **I <<<span class="stringliteral">"\n"</span>);
+<a name="l01514"></a>01514 } <span class="keywordflow">else</span> {
+<a name="l01515"></a>01515 RT = <span class="keyword">false</span>;
+<a name="l01516"></a>01516 <span class="keywordflow">break</span>;
+<a name="l01517"></a>01517 }
+<a name="l01518"></a>01518 <span class="keywordflow">for</span> (I = Reads.begin(), IE = Reads.end(); I != <a class="code" href="namespacellvm_1_1ARM__PROC.html#a1add7850fad3f66c140ecee871460ea4ae9d798593a4a6b5cc48486a453a59e5e">IE</a>; ++<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>)
+<a name="l01519"></a>01519 <span class="keywordflow">if</span> (hasComputableBounds(*I)) {
+<a name="l01520"></a>01520 PtrRtCheck.Pointers.push_back(*I);
+<a name="l01521"></a>01521 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a runtime check ptr:"</span> << **I <<<span class="stringliteral">"\n"</span>);
+<a name="l01522"></a>01522 } <span class="keywordflow">else</span> {
+<a name="l01523"></a>01523 RT = <span class="keyword">false</span>;
+<a name="l01524"></a>01524 <span class="keywordflow">break</span>;
+<a name="l01525"></a>01525 }
+<a name="l01526"></a>01526
+<a name="l01527"></a>01527 <span class="comment">// Check that we did not collect too many pointers or found a</span>
+<a name="l01528"></a>01528 <span class="comment">// unsizeable pointer.</span>
+<a name="l01529"></a>01529 <span class="keywordflow">if</span> (!RT || PtrRtCheck.Pointers.size() > <a class="code" href="LoopVectorize_8cpp.html#a952c05caf05575f974ed5bf7c1cf305f">RuntimeMemoryCheckThreshold</a>) {
+<a name="l01530"></a>01530 PtrRtCheck.Pointers.clear();
+<a name="l01531"></a>01531 RT = <span class="keyword">false</span>;
+<a name="l01532"></a>01532 }
+<a name="l01533"></a>01533
+<a name="l01534"></a>01534 PtrRtCheck.Need = RT;
+<a name="l01535"></a>01535
+<a name="l01536"></a>01536 <span class="keywordflow">if</span> (RT) {
+<a name="l01537"></a>01537 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: We can perform a memory runtime check if needed.\n"</span>);
+<a name="l01538"></a>01538 }
+<a name="l01539"></a>01539
+<a name="l01540"></a>01540 <span class="comment">// Now that the pointers are in two lists (Reads and ReadWrites), we</span>
+<a name="l01541"></a>01541 <span class="comment">// can check that there are no conflicts between each of the writes and</span>
+<a name="l01542"></a>01542 <span class="comment">// between the writes to the reads.</span>
+<a name="l01543"></a>01543 ValueSet WriteObjects;
+<a name="l01544"></a>01544 ValueVector TempObjects;
+<a name="l01545"></a>01545
+<a name="l01546"></a>01546 <span class="comment">// Check that the read-writes do not conflict with other read-write</span>
+<a name="l01547"></a>01547 <span class="comment">// pointers.</span>
+<a name="l01548"></a>01548 <span class="keywordflow">for</span> (I = ReadWrites.begin(), IE = ReadWrites.end(); I != <a class="code" href="namespacellvm_1_1ARM__PROC.html#a1add7850fad3f66c140ecee871460ea4ae9d798593a4a6b5cc48486a453a59e5e">IE</a>; ++<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>) {
+<a name="l01549"></a>01549 <a class="code" href="namespacellvm.html#ae7484b83e7c2b58ffd67422a919aba40">GetUnderlyingObjects</a>(*I, TempObjects, DL);
+<a name="l01550"></a>01550 <span class="keywordflow">for</span> (ValueVector::iterator it=TempObjects.begin(), e=TempObjects.end();
+<a name="l01551"></a>01551 it != e; ++it) {
+<a name="l01552"></a>01552 <span class="keywordflow">if</span> (!<a class="code" href="namespacellvm.html#aed2c5dd2a303159f87771db83f54352b">isIdentifiedObject</a>(*it)) {
+<a name="l01553"></a>01553 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found an unidentified write ptr:"</span><< **it <<<span class="stringliteral">"\n"</span>);
+<a name="l01554"></a>01554 <span class="keywordflow">return</span> RT;
+<a name="l01555"></a>01555 }
+<a name="l01556"></a>01556 <span class="keywordflow">if</span> (!WriteObjects.insert(*it)) {
+<a name="l01557"></a>01557 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a possible write-write reorder:"</span>
+<a name="l01558"></a>01558 << **it <<<span class="stringliteral">"\n"</span>);
+<a name="l01559"></a>01559 <span class="keywordflow">return</span> RT;
+<a name="l01560"></a>01560 }
+<a name="l01561"></a>01561 }
+<a name="l01562"></a>01562 TempObjects.clear();
+<a name="l01563"></a>01563 }
+<a name="l01564"></a>01564 <span class="comment"></span>
+<a name="l01565"></a>01565 <span class="comment"> /// Check that the reads don't conflict with the read-writes.</span>
+<a name="l01566"></a>01566 <span class="comment"></span> <span class="keywordflow">for</span> (I = Reads.begin(), IE = Reads.end(); I != <a class="code" href="namespacellvm_1_1ARM__PROC.html#a1add7850fad3f66c140ecee871460ea4ae9d798593a4a6b5cc48486a453a59e5e">IE</a>; ++<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>) {
+<a name="l01567"></a>01567 <a class="code" href="namespacellvm.html#ae7484b83e7c2b58ffd67422a919aba40">GetUnderlyingObjects</a>(*I, TempObjects, DL);
+<a name="l01568"></a>01568 <span class="keywordflow">for</span> (ValueVector::iterator it=TempObjects.begin(), e=TempObjects.end();
+<a name="l01569"></a>01569 it != e; ++it) {
+<a name="l01570"></a>01570 <span class="keywordflow">if</span> (!<a class="code" href="namespacellvm.html#aed2c5dd2a303159f87771db83f54352b">isIdentifiedObject</a>(*it)) {
+<a name="l01571"></a>01571 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found an unidentified read ptr:"</span><< **it <<<span class="stringliteral">"\n"</span>);
+<a name="l01572"></a>01572 <span class="keywordflow">return</span> RT;
+<a name="l01573"></a>01573 }
+<a name="l01574"></a>01574 <span class="keywordflow">if</span> (WriteObjects.count(*it)) {
+<a name="l01575"></a>01575 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found a possible read/write reorder:"</span>
+<a name="l01576"></a>01576 << **it <<<span class="stringliteral">"\n"</span>);
+<a name="l01577"></a>01577 <span class="keywordflow">return</span> RT;
+<a name="l01578"></a>01578 }
+<a name="l01579"></a>01579 }
+<a name="l01580"></a>01580 TempObjects.clear();
+<a name="l01581"></a>01581 }
+<a name="l01582"></a>01582
+<a name="l01583"></a>01583 <span class="comment">// It is safe to vectorize and we don't need any runtime checks.</span>
+<a name="l01584"></a>01584 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: We don't need a runtime memory check.\n"</span>);
+<a name="l01585"></a>01585 PtrRtCheck.Pointers.clear();
+<a name="l01586"></a>01586 PtrRtCheck.Need = <span class="keyword">false</span>;
+<a name="l01587"></a>01587 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l01588"></a>01588 }
+<a name="l01589"></a>01589
+<a name="l01590"></a>01590 <span class="keywordtype">bool</span> LoopVectorizationLegality::AddReductionVar(<a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *Phi,
+<a name="l01591"></a>01591 ReductionKind <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a>) {
+<a name="l01592"></a>01592 <span class="keywordflow">if</span> (Phi-><a class="code" href="classllvm_1_1PHINode.html#aa45f6c0433576e3858a6209a43750ad4">getNumIncomingValues</a>() != 2)
+<a name="l01593"></a>01593 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01594"></a>01594
+<a name="l01595"></a>01595 <span class="comment">// Find the possible incoming reduction variable.</span>
+<a name="l01596"></a>01596 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *BB = Phi-><a class="code" href="classllvm_1_1Instruction.html#a9cd49851904f15060edb782ef4dd1b2d">getParent</a>();
+<a name="l01597"></a>01597 <span class="keywordtype">int</span> SelfEdgeIdx = Phi-><a class="code" href="classllvm_1_1PHINode.html#a5c2b7d7f19aac93b27b845858a7eb73e">getBasicBlockIndex</a>(BB);
+<a name="l01598"></a>01598 <span class="keywordtype">int</span> InEdgeBlockIdx = (SelfEdgeIdx ? 0 : 1); <span class="comment">// The other entry.</span>
+<a name="l01599"></a>01599 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *RdxStart = Phi-><a class="code" href="classllvm_1_1PHINode.html#aba6a4cc4ed6d6fef3664b8d65ef04820">getIncomingValue</a>(InEdgeBlockIdx);
+<a name="l01600"></a>01600
+<a name="l01601"></a>01601 <span class="comment">// ExitInstruction is the single value which is used outside the loop.</span>
+<a name="l01602"></a>01602 <span class="comment">// We only allow for a single reduction value to be used outside the loop.</span>
+<a name="l01603"></a>01603 <span class="comment">// This includes users of the reduction, variables (which form a cycle</span>
+<a name="l01604"></a>01604 <span class="comment">// which ends in the phi node).</span>
+<a name="l01605"></a>01605 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *ExitInstruction = 0;
+<a name="l01606"></a>01606
+<a name="l01607"></a>01607 <span class="comment">// Iter is our iterator. We start with the PHI node and scan for all of the</span>
+<a name="l01608"></a>01608 <span class="comment">// users of this instruction. All users must be instructions which can be</span>
+<a name="l01609"></a>01609 <span class="comment">// used as reduction variables (such as ADD). We may have a single</span>
+<a name="l01610"></a>01610 <span class="comment">// out-of-block user. They cycle must end with the original PHI.</span>
+<a name="l01611"></a>01611 <span class="comment">// Also, we can't have multiple block-local users.</span>
+<a name="l01612"></a>01612 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *Iter = Phi;
+<a name="l01613"></a>01613 <span class="keywordflow">while</span> (<span class="keyword">true</span>) {
+<a name="l01614"></a>01614 <span class="comment">// Any reduction instr must be of one of the allowed kinds.</span>
+<a name="l01615"></a>01615 <span class="keywordflow">if</span> (!isReductionInstr(Iter, Kind))
+<a name="l01616"></a>01616 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01617"></a>01617
+<a name="l01618"></a>01618 <span class="comment">// Did we found a user inside this block ?</span>
+<a name="l01619"></a>01619 <span class="keywordtype">bool</span> FoundInBlockUser = <span class="keyword">false</span>;
+<a name="l01620"></a>01620 <span class="comment">// Did we reach the initial PHI node ?</span>
+<a name="l01621"></a>01621 <span class="keywordtype">bool</span> FoundStartPHI = <span class="keyword">false</span>;
+<a name="l01622"></a>01622
+<a name="l01623"></a>01623 <span class="comment">// If the instruction has no users then this is a broken</span>
+<a name="l01624"></a>01624 <span class="comment">// chain and can't be a reduction variable.</span>
+<a name="l01625"></a>01625 <span class="keywordflow">if</span> (Iter-><a class="code" href="classllvm_1_1Value.html#ac38c53f76ef532f91f1666c8a87370e9">use_empty</a>())
+<a name="l01626"></a>01626 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01627"></a>01627
+<a name="l01628"></a>01628 <span class="comment">// For each of the *users* of iter.</span>
+<a name="l01629"></a>01629 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1value__use__iterator.html">Value::use_iterator</a> it = Iter-><a class="code" href="classllvm_1_1Value.html#a413abcab8dbc3900fc2fde96a5d8fca6">use_begin</a>(), e = Iter-><a class="code" href="classllvm_1_1Value.html#ad86469939d2a8bdd4169be9403b89f5a">use_end</a>();
+<a name="l01630"></a>01630 it != e; ++it) {
+<a name="l01631"></a>01631 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *U = cast<Instruction>(*it);
+<a name="l01632"></a>01632 <span class="comment">// We already know that the PHI is a user.</span>
+<a name="l01633"></a>01633 <span class="keywordflow">if</span> (U == Phi) {
+<a name="l01634"></a>01634 FoundStartPHI = <span class="keyword">true</span>;
+<a name="l01635"></a>01635 <span class="keywordflow">continue</span>;
+<a name="l01636"></a>01636 }
+<a name="l01637"></a>01637 <span class="comment">// Check if we found the exit user.</span>
+<a name="l01638"></a>01638 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *Parent = U-><a class="code" href="classllvm_1_1Instruction.html#a9cd49851904f15060edb782ef4dd1b2d">getParent</a>();
+<a name="l01639"></a>01639 <span class="keywordflow">if</span> (Parent != BB) {
+<a name="l01640"></a>01640 <span class="comment">// We must have a single exit instruction.</span>
+<a name="l01641"></a>01641 <span class="keywordflow">if</span> (ExitInstruction != 0)
+<a name="l01642"></a>01642 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01643"></a>01643 ExitInstruction = Iter;
+<a name="l01644"></a>01644 }
+<a name="l01645"></a>01645 <span class="comment">// We can't have multiple inside users.</span>
+<a name="l01646"></a>01646 <span class="keywordflow">if</span> (FoundInBlockUser)
+<a name="l01647"></a>01647 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01648"></a>01648 FoundInBlockUser = <span class="keyword">true</span>;
+<a name="l01649"></a>01649 Iter = U;
+<a name="l01650"></a>01650 }
+<a name="l01651"></a>01651
+<a name="l01652"></a>01652 <span class="comment">// We found a reduction var if we have reached the original</span>
+<a name="l01653"></a>01653 <span class="comment">// phi node and we only have a single instruction with out-of-loop</span>
+<a name="l01654"></a>01654 <span class="comment">// users.</span>
+<a name="l01655"></a>01655 <span class="keywordflow">if</span> (FoundStartPHI && ExitInstruction) {
+<a name="l01656"></a>01656 <span class="comment">// This instruction is allowed to have out-of-loop users.</span>
+<a name="l01657"></a>01657 AllowedExit.insert(ExitInstruction);
+<a name="l01658"></a>01658
+<a name="l01659"></a>01659 <span class="comment">// Save the description of this reduction variable.</span>
+<a name="l01660"></a>01660 ReductionDescriptor RD(RdxStart, ExitInstruction, Kind);
+<a name="l01661"></a>01661 Reductions[Phi] = RD;
+<a name="l01662"></a>01662 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l01663"></a>01663 }
+<a name="l01664"></a>01664 }
+<a name="l01665"></a>01665 }
+<a name="l01666"></a>01666
+<a name="l01667"></a>01667 <span class="keywordtype">bool</span>
+<a name="l01668"></a>01668 LoopVectorizationLegality::isReductionInstr(<a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>,
+<a name="l01669"></a>01669 ReductionKind Kind) {
+<a name="l01670"></a>01670 <span class="keywordflow">switch</span> (I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>()) {
+<a name="l01671"></a>01671 <span class="keywordflow">default</span>:
+<a name="l01672"></a>01672 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01673"></a>01673 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a332cde6eadc39e042b35937d137c83f6">Instruction::PHI</a>:
+<a name="l01674"></a>01674 <span class="comment">// possibly.</span>
+<a name="l01675"></a>01675 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l01676"></a>01676 <span class="keywordflow">case</span> Instruction::Add:
+<a name="l01677"></a>01677 <span class="keywordflow">case</span> Instruction::Sub:
+<a name="l01678"></a>01678 <span class="keywordflow">return</span> Kind == IntegerAdd;
+<a name="l01679"></a>01679 <span class="keywordflow">case</span> Instruction::Mul:
+<a name="l01680"></a>01680 <span class="keywordflow">case</span> Instruction::UDiv:
+<a name="l01681"></a>01681 <span class="keywordflow">case</span> Instruction::SDiv:
+<a name="l01682"></a>01682 <span class="keywordflow">return</span> Kind == IntegerMult;
+<a name="l01683"></a>01683 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1APIntOps.html#a684cfe02c582e8d75cd6d457e63e6c25" title="Bitwise AND function for APInt.">Instruction::And</a>:
+<a name="l01684"></a>01684 <span class="keywordflow">return</span> Kind == IntegerAnd;
+<a name="l01685"></a>01685 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1APIntOps.html#a22f056804d2b9882f74adc905872bc39" title="Bitwise OR function for APInt.">Instruction::Or</a>:
+<a name="l01686"></a>01686 <span class="keywordflow">return</span> Kind == IntegerOr;
+<a name="l01687"></a>01687 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1APIntOps.html#afc7c4d88d09cba0c5e920f8a3a3ace55" title="Bitwise XOR function for APInt.">Instruction::Xor</a>:
+<a name="l01688"></a>01688 <span class="keywordflow">return</span> Kind == IntegerXor;
+<a name="l01689"></a>01689 }
+<a name="l01690"></a>01690 }
+<a name="l01691"></a>01691
+<a name="l01692"></a>01692 <span class="keywordtype">bool</span> LoopVectorizationLegality::isInductionVariable(<a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *Phi) {
+<a name="l01693"></a>01693 <span class="comment">// Check that the PHI is consecutive and starts at zero.</span>
+<a name="l01694"></a>01694 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *PhiScev = SE->getSCEV(Phi);
+<a name="l01695"></a>01695 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEVAddRecExpr.html">SCEVAddRecExpr</a> *AR = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1SCEVAddRecExpr.html">SCEVAddRecExpr</a>>(PhiScev);
+<a name="l01696"></a>01696 <span class="keywordflow">if</span> (!AR) {
+<a name="l01697"></a>01697 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: PHI is not a poly recurrence.\n"</span>);
+<a name="l01698"></a>01698 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01699"></a>01699 }
+<a name="l01700"></a>01700 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *Step = AR-><a class="code" href="classllvm_1_1SCEVAddRecExpr.html#a443e9130cd9f3e3baaa1b566e6aa5060">getStepRecurrence</a>(*SE);
+<a name="l01701"></a>01701
+<a name="l01702"></a>01702 <span class="keywordflow">if</span> (!Step-><a class="code" href="classllvm_1_1SCEV.html#a3935a9de0ebdf3dc625cfb28e35bd009">isOne</a>()) {
+<a name="l01703"></a>01703 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: PHI stride does not equal one.\n"</span>);
+<a name="l01704"></a>01704 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01705"></a>01705 }
+<a name="l01706"></a>01706 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l01707"></a>01707 }
+<a name="l01708"></a>01708
+<a name="l01709"></a>01709 <span class="keywordtype">bool</span> LoopVectorizationLegality::hasComputableBounds(<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Ptr) {
+<a name="l01710"></a>01710 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *PhiScev = SE->getSCEV(Ptr);
+<a name="l01711"></a>01711 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEVAddRecExpr.html">SCEVAddRecExpr</a> *AR = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1SCEVAddRecExpr.html">SCEVAddRecExpr</a>>(PhiScev);
+<a name="l01712"></a>01712 <span class="keywordflow">if</span> (!AR)
+<a name="l01713"></a>01713 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l01714"></a>01714
+<a name="l01715"></a>01715 <span class="keywordflow">return</span> AR-><a class="code" href="classllvm_1_1SCEVAddRecExpr.html#a88f514461ddb0af0fc59ac4639f644bc">isAffine</a>();
+<a name="l01716"></a>01716 }
+<a name="l01717"></a>01717
+<a name="l01718"></a>01718 <span class="keywordtype">unsigned</span>
+<a name="l01719"></a>01719 LoopVectorizationCostModel::findBestVectorizationFactor(<span class="keywordtype">unsigned</span> VF) {
+<a name="l01720"></a>01720 <span class="keywordflow">if</span> (!VTTI) {
+<a name="l01721"></a>01721 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: No vector target information. Not vectorizing. \n"</span>);
+<a name="l01722"></a>01722 <span class="keywordflow">return</span> 1;
+<a name="l01723"></a>01723 }
+<a name="l01724"></a>01724
+<a name="l01725"></a>01725 <span class="keywordtype">float</span> Cost = expectedCost(1);
+<a name="l01726"></a>01726 <span class="keywordtype">unsigned</span> Width = 1;
+<a name="l01727"></a>01727 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Scalar loop costs: "</span><< (<span class="keywordtype">int</span>)Cost << <span class="stringliteral">".\n"</span>);
+<a name="l01728"></a>01728 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=2; i <= VF; i*=2) {
+<a name="l01729"></a>01729 <span class="comment">// Notice that the vector loop needs to be executed less times, so</span>
+<a name="l01730"></a>01730 <span class="comment">// we need to divide the cost of the vector loops by the width of</span>
+<a name="l01731"></a>01731 <span class="comment">// the vector elements.</span>
+<a name="l01732"></a>01732 <span class="keywordtype">float</span> VectorCost = expectedCost(i) / (float)i;
+<a name="l01733"></a>01733 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Vector loop of width "</span><< i << <span class="stringliteral">" costs: "</span> <<
+<a name="l01734"></a>01734 (<span class="keywordtype">int</span>)VectorCost << <span class="stringliteral">".\n"</span>);
+<a name="l01735"></a>01735 <span class="keywordflow">if</span> (VectorCost < Cost) {
+<a name="l01736"></a>01736 Cost = VectorCost;
+<a name="l01737"></a>01737 Width = i;
+<a name="l01738"></a>01738 }
+<a name="l01739"></a>01739 }
+<a name="l01740"></a>01740
+<a name="l01741"></a>01741 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Selecting VF = : "</span><< Width << <span class="stringliteral">".\n"</span>);
+<a name="l01742"></a>01742 <span class="keywordflow">return</span> Width;
+<a name="l01743"></a>01743 }
+<a name="l01744"></a>01744
+<a name="l01745"></a>01745 <span class="keywordtype">unsigned</span> LoopVectorizationCostModel::expectedCost(<span class="keywordtype">unsigned</span> VF) {
+<a name="l01746"></a>01746 <span class="comment">// We can only estimate the cost of single basic block loops.</span>
+<a name="l01747"></a>01747 assert(1 == TheLoop->getNumBlocks() && <span class="stringliteral">"Too many blocks in loop"</span>);
+<a name="l01748"></a>01748
+<a name="l01749"></a>01749 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *BB = TheLoop->getHeader();
+<a name="l01750"></a>01750 <span class="keywordtype">unsigned</span> Cost = 0;
+<a name="l01751"></a>01751
+<a name="l01752"></a>01752 <span class="comment">// For each instruction in the old loop.</span>
+<a name="l01753"></a>01753 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">BasicBlock::iterator</a> it = BB->begin(), e = BB->end(); it != e; ++it) {
+<a name="l01754"></a>01754 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *Inst = it;
+<a name="l01755"></a>01755 <span class="keywordtype">unsigned</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974afd841a49aec1539bc88abc8ff9e170fb">C</a> = getInstructionCost(Inst, VF);
+<a name="l01756"></a>01756 Cost += <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974afd841a49aec1539bc88abc8ff9e170fb">C</a>;
+<a name="l01757"></a>01757 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LV: Found an estimated cost of "</span><< C <<<span class="stringliteral">" for VF "</span><< VF <<
+<a name="l01758"></a>01758 <span class="stringliteral">" For instruction: "</span><< *Inst << <span class="stringliteral">"\n"</span>);
+<a name="l01759"></a>01759 }
+<a name="l01760"></a>01760
+<a name="l01761"></a>01761 <span class="keywordflow">return</span> Cost;
+<a name="l01762"></a>01762 }
+<a name="l01763"></a>01763
+<a name="l01764"></a>01764 <span class="keywordtype">unsigned</span>
+<a name="l01765"></a>01765 LoopVectorizationCostModel::getInstructionCost(<a class="code" href="classllvm_1_1Instruction.html">Instruction</a> *I, <span class="keywordtype">unsigned</span> VF) {
+<a name="l01766"></a>01766 assert(VTTI && <span class="stringliteral">"Invalid vector target transformation info"</span>);
+<a name="l01767"></a>01767
+<a name="l01768"></a>01768 <span class="comment">// If we know that this instruction will remain uniform, check the cost of</span>
+<a name="l01769"></a>01769 <span class="comment">// the scalar version.</span>
+<a name="l01770"></a>01770 <span class="keywordflow">if</span> (Legal->isUniformAfterVectorization(I))
+<a name="l01771"></a>01771 VF = 1;
+<a name="l01772"></a>01772
+<a name="l01773"></a>01773 <a class="code" href="classllvm_1_1Type.html">Type</a> *<a class="code" href="namespacellvm.html#ab83a048107217f63353d29f525d4794b">RetTy</a> = I-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>();
+<a name="l01774"></a>01774 <a class="code" href="classllvm_1_1Type.html">Type</a> *VectorTy = ToVectorTy(RetTy, VF);
+<a name="l01775"></a>01775
+<a name="l01776"></a>01776
+<a name="l01777"></a>01777 <span class="comment">// TODO: We need to estimate the cost of intrinsic calls.</span>
+<a name="l01778"></a>01778 <span class="keywordflow">switch</span> (I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>()) {
+<a name="l01779"></a>01779 <span class="keywordflow">case</span> Instruction::GetElementPtr:
+<a name="l01780"></a>01780 <span class="comment">// We mark this instruction as zero-cost because scalar GEPs are usually</span>
+<a name="l01781"></a>01781 <span class="comment">// lowered to the intruction addressing mode. At the moment we don't</span>
+<a name="l01782"></a>01782 <span class="comment">// generate vector geps.</span>
+<a name="l01783"></a>01783 <span class="keywordflow">return</span> 0;
+<a name="l01784"></a>01784 <span class="keywordflow">case</span> Instruction::Br: {
+<a name="l01785"></a>01785 <span class="keywordflow">return</span> VTTI->getCFInstrCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>());
+<a name="l01786"></a>01786 }
+<a name="l01787"></a>01787 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a332cde6eadc39e042b35937d137c83f6">Instruction::PHI</a>:
+<a name="l01788"></a>01788 <span class="keywordflow">return</span> 0;
+<a name="l01789"></a>01789 <span class="keywordflow">case</span> Instruction::Add:
+<a name="l01790"></a>01790 <span class="keywordflow">case</span> Instruction::FAdd:
+<a name="l01791"></a>01791 <span class="keywordflow">case</span> Instruction::Sub:
+<a name="l01792"></a>01792 <span class="keywordflow">case</span> Instruction::FSub:
+<a name="l01793"></a>01793 <span class="keywordflow">case</span> Instruction::Mul:
+<a name="l01794"></a>01794 <span class="keywordflow">case</span> Instruction::FMul:
+<a name="l01795"></a>01795 <span class="keywordflow">case</span> Instruction::UDiv:
+<a name="l01796"></a>01796 <span class="keywordflow">case</span> Instruction::SDiv:
+<a name="l01797"></a>01797 <span class="keywordflow">case</span> Instruction::FDiv:
+<a name="l01798"></a>01798 <span class="keywordflow">case</span> Instruction::URem:
+<a name="l01799"></a>01799 <span class="keywordflow">case</span> Instruction::SRem:
+<a name="l01800"></a>01800 <span class="keywordflow">case</span> Instruction::FRem:
+<a name="l01801"></a>01801 <span class="keywordflow">case</span> Instruction::Shl:
+<a name="l01802"></a>01802 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a5d76973fd2e5e0fd234e129d3fb03db0">Instruction::LShr</a>:
+<a name="l01803"></a>01803 <span class="keywordflow">case</span> Instruction::AShr:
+<a name="l01804"></a>01804 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1APIntOps.html#a684cfe02c582e8d75cd6d457e63e6c25" title="Bitwise AND function for APInt.">Instruction::And</a>:
+<a name="l01805"></a>01805 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1APIntOps.html#a22f056804d2b9882f74adc905872bc39" title="Bitwise OR function for APInt.">Instruction::Or</a>:
+<a name="l01806"></a>01806 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1APIntOps.html#afc7c4d88d09cba0c5e920f8a3a3ace55" title="Bitwise XOR function for APInt.">Instruction::Xor</a>: {
+<a name="l01807"></a>01807 <span class="keywordflow">return</span> VTTI->getArithmeticInstrCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(), VectorTy);
+<a name="l01808"></a>01808 }
+<a name="l01809"></a>01809 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1MCID.html#accb16fffd544529ed4d816a45e40f425a32dbd2c72a98eaee90e3ad5ef7b5af16">Instruction::Select</a>: {
+<a name="l01810"></a>01810 <a class="code" href="classllvm_1_1SelectInst.html">SelectInst</a> *SI = cast<SelectInst>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>);
+<a name="l01811"></a>01811 <span class="keyword">const</span> <a class="code" href="classllvm_1_1SCEV.html">SCEV</a> *CondSCEV = SE->getSCEV(SI-><a class="code" href="classllvm_1_1SelectInst.html#ad285a69e32ddeee367fed93b5f392801">getCondition</a>());
+<a name="l01812"></a>01812 <span class="keywordtype">bool</span> ScalarCond = (SE->isLoopInvariant(CondSCEV, TheLoop));
+<a name="l01813"></a>01813 <a class="code" href="classllvm_1_1Type.html">Type</a> *CondTy = SI-><a class="code" href="classllvm_1_1SelectInst.html#ad285a69e32ddeee367fed93b5f392801">getCondition</a>()-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>();
+<a name="l01814"></a>01814 <span class="keywordflow">if</span> (ScalarCond)
+<a name="l01815"></a>01815 CondTy = <a class="code" href="classllvm_1_1VectorType.html#ab43657ed1abe2e2ed3a6a394f233ebd0">VectorType::get</a>(CondTy, VF);
+<a name="l01816"></a>01816
+<a name="l01817"></a>01817 <span class="keywordflow">return</span> VTTI->getCmpSelInstrCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(), VectorTy, CondTy);
+<a name="l01818"></a>01818 }
+<a name="l01819"></a>01819 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a6a4ce50f71e29df6dd1920cf067a2eb5">Instruction::ICmp</a>:
+<a name="l01820"></a>01820 <span class="keywordflow">case</span> Instruction::FCmp: {
+<a name="l01821"></a>01821 <a class="code" href="classllvm_1_1Type.html">Type</a> *ValTy = I-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(0)-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>();
+<a name="l01822"></a>01822 VectorTy = ToVectorTy(ValTy, VF);
+<a name="l01823"></a>01823 <span class="keywordflow">return</span> VTTI->getCmpSelInstrCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(), VectorTy);
+<a name="l01824"></a>01824 }
+<a name="l01825"></a>01825 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1SPII.html#add994c36633ba2d8f6a1366b775e88a6a36b3dd3b84fde3f8494a9b18af131856">Instruction::Store</a>: {
+<a name="l01826"></a>01826 <a class="code" href="classllvm_1_1StoreInst.html">StoreInst</a> *SI = cast<StoreInst>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>);
+<a name="l01827"></a>01827 <a class="code" href="classllvm_1_1Type.html">Type</a> *ValTy = SI-><a class="code" href="classllvm_1_1StoreInst.html#a14298313bdf734e2db5a921cc6e861a0">getValueOperand</a>()-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>();
+<a name="l01828"></a>01828 VectorTy = ToVectorTy(ValTy, VF);
+<a name="l01829"></a>01829
+<a name="l01830"></a>01830 <span class="keywordflow">if</span> (VF == 1)
+<a name="l01831"></a>01831 <span class="keywordflow">return</span> VTTI->getMemoryOpCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(), ValTy,
+<a name="l01832"></a>01832 SI-><a class="code" href="classllvm_1_1StoreInst.html#a3084f1dd69d67e1965fd1fe721a69f2e">getAlignment</a>(), SI-><a class="code" href="classllvm_1_1StoreInst.html#a6cac341b1b354174d0e0a81a2e7a9109" title="Returns the address space of the pointer operand.">getPointerAddressSpace</a>());
+<a name="l01833"></a>01833
+<a name="l01834"></a>01834 <span class="comment">// Scalarized stores.</span>
+<a name="l01835"></a>01835 <span class="keywordflow">if</span> (!Legal->isConsecutiveGep(SI-><a class="code" href="classllvm_1_1StoreInst.html#ac03c1c093059ea000216af8dd6f2dbf4">getPointerOperand</a>())) {
+<a name="l01836"></a>01836 <span class="keywordtype">unsigned</span> Cost = 0;
+<a name="l01837"></a>01837 <span class="keywordtype">unsigned</span> ExtCost = VTTI->getInstrCost(<a class="code" href="InstCombineCompares_8cpp.html#aa5ab8c7b55d8bc7cab66be444daa70a1">Instruction::ExtractElement</a>,
+<a name="l01838"></a>01838 ValTy);
+<a name="l01839"></a>01839 <span class="comment">// The cost of extracting from the value vector.</span>
+<a name="l01840"></a>01840 Cost += VF * (ExtCost);
+<a name="l01841"></a>01841 <span class="comment">// The cost of the scalar stores.</span>
+<a name="l01842"></a>01842 Cost += VF * VTTI->getMemoryOpCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(),
+<a name="l01843"></a>01843 ValTy->getScalarType(),
+<a name="l01844"></a>01844 SI-><a class="code" href="classllvm_1_1StoreInst.html#a3084f1dd69d67e1965fd1fe721a69f2e">getAlignment</a>(),
+<a name="l01845"></a>01845 SI-><a class="code" href="classllvm_1_1StoreInst.html#a6cac341b1b354174d0e0a81a2e7a9109" title="Returns the address space of the pointer operand.">getPointerAddressSpace</a>());
+<a name="l01846"></a>01846 <span class="keywordflow">return</span> Cost;
+<a name="l01847"></a>01847 }
+<a name="l01848"></a>01848
+<a name="l01849"></a>01849 <span class="comment">// Wide stores.</span>
+<a name="l01850"></a>01850 <span class="keywordflow">return</span> VTTI->getMemoryOpCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(), VectorTy, SI-><a class="code" href="classllvm_1_1StoreInst.html#a3084f1dd69d67e1965fd1fe721a69f2e">getAlignment</a>(),
+<a name="l01851"></a>01851 SI-><a class="code" href="classllvm_1_1StoreInst.html#a6cac341b1b354174d0e0a81a2e7a9109" title="Returns the address space of the pointer operand.">getPointerAddressSpace</a>());
+<a name="l01852"></a>01852 }
+<a name="l01853"></a>01853 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1SPII.html#add994c36633ba2d8f6a1366b775e88a6a5069619ca8fdce305534f3fe85091a0f">Instruction::Load</a>: {
+<a name="l01854"></a>01854 <a class="code" href="classllvm_1_1LoadInst.html">LoadInst</a> *<a class="code" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a> = cast<LoadInst>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>);
+<a name="l01855"></a>01855
+<a name="l01856"></a>01856 <span class="keywordflow">if</span> (VF == 1)
+<a name="l01857"></a>01857 <span class="keywordflow">return</span> VTTI->getMemoryOpCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(), <a class="code" href="namespacellvm.html#ab83a048107217f63353d29f525d4794b">RetTy</a>,
+<a name="l01858"></a>01858 LI-><a class="code" href="classllvm_1_1LoadInst.html#ad1168fc42bcba1b71217a4969483671a">getAlignment</a>(),
+<a name="l01859"></a>01859 LI-><a class="code" href="classllvm_1_1LoadInst.html#a2efd55778217d045b121de696c4f6452" title="Returns the address space of the pointer operand.">getPointerAddressSpace</a>());
+<a name="l01860"></a>01860
+<a name="l01861"></a>01861 <span class="comment">// Scalarized loads.</span>
+<a name="l01862"></a>01862 <span class="keywordflow">if</span> (!Legal->isConsecutiveGep(LI-><a class="code" href="classllvm_1_1LoadInst.html#ad47eefa1d094f60494b6b927061ca001">getPointerOperand</a>())) {
+<a name="l01863"></a>01863 <span class="keywordtype">unsigned</span> Cost = 0;
+<a name="l01864"></a>01864 <span class="keywordtype">unsigned</span> InCost = VTTI->getInstrCost(Instruction::InsertElement, RetTy);
+<a name="l01865"></a>01865 <span class="comment">// The cost of inserting the loaded value into the result vector.</span>
+<a name="l01866"></a>01866 Cost += VF * (InCost);
+<a name="l01867"></a>01867 <span class="comment">// The cost of the scalar stores.</span>
+<a name="l01868"></a>01868 Cost += VF * VTTI->getMemoryOpCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(),
+<a name="l01869"></a>01869 RetTy-><a class="code" href="classllvm_1_1Type.html#a8eafa71cf399da8f21b2af5549f3f9e7">getScalarType</a>(),
+<a name="l01870"></a>01870 LI-><a class="code" href="classllvm_1_1LoadInst.html#ad1168fc42bcba1b71217a4969483671a">getAlignment</a>(),
+<a name="l01871"></a>01871 LI-><a class="code" href="classllvm_1_1LoadInst.html#a2efd55778217d045b121de696c4f6452" title="Returns the address space of the pointer operand.">getPointerAddressSpace</a>());
+<a name="l01872"></a>01872 <span class="keywordflow">return</span> Cost;
+<a name="l01873"></a>01873 }
+<a name="l01874"></a>01874
+<a name="l01875"></a>01875 <span class="comment">// Wide loads.</span>
+<a name="l01876"></a>01876 <span class="keywordflow">return</span> VTTI->getMemoryOpCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(), VectorTy, LI-><a class="code" href="classllvm_1_1LoadInst.html#ad1168fc42bcba1b71217a4969483671a">getAlignment</a>(),
+<a name="l01877"></a>01877 LI-><a class="code" href="classllvm_1_1LoadInst.html#a2efd55778217d045b121de696c4f6452" title="Returns the address space of the pointer operand.">getPointerAddressSpace</a>());
+<a name="l01878"></a>01878 }
+<a name="l01879"></a>01879 <span class="keywordflow">case</span> Instruction::ZExt:
+<a name="l01880"></a>01880 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#ae2dfc57500e32ee6f5ac871f7ec55d5b">Instruction::SExt</a>:
+<a name="l01881"></a>01881 <span class="keywordflow">case</span> Instruction::FPToUI:
+<a name="l01882"></a>01882 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a3677968984dd841410ed46288fd5ab6c">Instruction::FPToSI</a>:
+<a name="l01883"></a>01883 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a24e13352d9c828e3de6682f4baae88fd">Instruction::FPExt</a>:
+<a name="l01884"></a>01884 <span class="keywordflow">case</span> Instruction::PtrToInt:
+<a name="l01885"></a>01885 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a20744d4958a3cd24012862024a8b5851">Instruction::IntToPtr</a>:
+<a name="l01886"></a>01886 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#aa7d131dc7d18431127ae9fe7d4429fa7">Instruction::SIToFP</a>:
+<a name="l01887"></a>01887 <span class="keywordflow">case</span> Instruction::UIToFP:
+<a name="l01888"></a>01888 <span class="keywordflow">case</span> <a class="code" href="namespacellvm.html#a3da04da2a51c5da491960f875a3222ad">Instruction::Trunc</a>:
+<a name="l01889"></a>01889 <span class="keywordflow">case</span> Instruction::FPTrunc:
+<a name="l01890"></a>01890 <span class="keywordflow">case</span> Instruction::BitCast: {
+<a name="l01891"></a>01891 <a class="code" href="classllvm_1_1Type.html">Type</a> *SrcVecTy = ToVectorTy(I-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(0)-><a class="code" href="classllvm_1_1Value.html#a0cf3748dba54f931bb1241ae4adc76bc">getType</a>(), VF);
+<a name="l01892"></a>01892 <span class="keywordflow">return</span> VTTI->getCastInstrCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(), VectorTy, SrcVecTy);
+<a name="l01893"></a>01893 }
+<a name="l01894"></a>01894 <span class="keywordflow">default</span>: {
+<a name="l01895"></a>01895 <span class="comment">// We are scalarizing the instruction. Return the cost of the scalar</span>
+<a name="l01896"></a>01896 <span class="comment">// instruction, plus the cost of insert and extract into vector</span>
+<a name="l01897"></a>01897 <span class="comment">// elements, times the vector width.</span>
+<a name="l01898"></a>01898 <span class="keywordtype">unsigned</span> Cost = 0;
+<a name="l01899"></a>01899
+<a name="l01900"></a>01900 <span class="keywordtype">bool</span> IsVoid = RetTy-><a class="code" href="classllvm_1_1Type.html#af5c7041df3ad5edffe5da17b5264c1fc" title="isVoidTy - Return true if this is 'void'.">isVoidTy</a>();
+<a name="l01901"></a>01901
+<a name="l01902"></a>01902 <span class="keywordtype">unsigned</span> InsCost = (IsVoid ? 0 :
+<a name="l01903"></a>01903 VTTI->getInstrCost(Instruction::InsertElement,
+<a name="l01904"></a>01904 VectorTy));
+<a name="l01905"></a>01905
+<a name="l01906"></a>01906 <span class="keywordtype">unsigned</span> ExtCost = VTTI->getInstrCost(<a class="code" href="InstCombineCompares_8cpp.html#aa5ab8c7b55d8bc7cab66be444daa70a1">Instruction::ExtractElement</a>,
+<a name="l01907"></a>01907 VectorTy);
+<a name="l01908"></a>01908
+<a name="l01909"></a>01909 <span class="comment">// The cost of inserting the results plus extracting each one of the</span>
+<a name="l01910"></a>01910 <span class="comment">// operands.</span>
+<a name="l01911"></a>01911 Cost += VF * (InsCost + ExtCost * I-><a class="code" href="classllvm_1_1User.html#a2f81e0c1fc6554df7ad2eafabf5fc5a5">getNumOperands</a>());
+<a name="l01912"></a>01912
+<a name="l01913"></a>01913 <span class="comment">// The cost of executing VF copies of the scalar instruction.</span>
+<a name="l01914"></a>01914 Cost += VF * VTTI->getInstrCost(I-><a class="code" href="classllvm_1_1Instruction.html#a021bb7c9aad6003fe8089f6327356c6c" title="getOpcode() returns a member of one of the enums like Instruction::Add.">getOpcode</a>(), <a class="code" href="namespacellvm.html#ab83a048107217f63353d29f525d4794b">RetTy</a>);
+<a name="l01915"></a>01915 <span class="keywordflow">return</span> Cost;
+<a name="l01916"></a>01916 }
+<a name="l01917"></a>01917 }<span class="comment">// end of switch.</span>
+<a name="l01918"></a>01918 }
+<a name="l01919"></a>01919
+<a name="l01920"></a>01920 <a class="code" href="classllvm_1_1Type.html">Type</a>* LoopVectorizationCostModel::ToVectorTy(<a class="code" href="classllvm_1_1Type.html">Type</a> *<a class="code" href="namespacellvm_1_1NVPTX_1_1PTXLdStInstCode.html#a91119cbee2be000c528a690252aee07ca09c68d67f7dbfa6cc77eaf73aa535217">Scalar</a>, <span class="keywordtype">unsigned</span> VF) {
+<a name="l01921"></a>01921 <span class="keywordflow">if</span> (Scalar-><a class="code" href="classllvm_1_1Type.html#af5c7041df3ad5edffe5da17b5264c1fc" title="isVoidTy - Return true if this is 'void'.">isVoidTy</a>() || VF == 1)
+<a name="l01922"></a>01922 <span class="keywordflow">return</span> Scalar;
+<a name="l01923"></a>01923 <span class="keywordflow">return</span> <a class="code" href="classllvm_1_1VectorType.html#ab43657ed1abe2e2ed3a6a394f233ebd0">VectorType::get</a>(Scalar, VF);
+<a name="l01924"></a>01924 }
+<a name="l01925"></a>01925
+<a name="l01926"></a>01926 } <span class="comment">// namespace</span>
+<a name="l01927"></a>01927
+<a name="l01928"></a>01928 <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">LoopVectorize::ID</a> = 0;
+<a name="l01929"></a><a class="code" href="LoopVectorize_8cpp.html#a5ce679c74f9d5aa21d8ea3d1a798f0a9">01929</a> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> <a class="code" href="LoopVectorize_8cpp.html#a5ce679c74f9d5aa21d8ea3d1a798f0a9">lv_name</a>[] = <span class="stringliteral">"Loop Vectorization"</span>;
+<a name="l01930"></a>01930 <a class="code" href="PassSupport_8h.html#aaa970fc931c1c63037a8182e028d04b1">INITIALIZE_PASS_BEGIN</a>(LoopVectorize, <a class="code" href="LoopVectorize_8cpp.html#a0eff4a8bccb143ae91e197e6a59d4692">LV_NAME</a>, <a class="code" href="LoopVectorize_8cpp.html#a5ce679c74f9d5aa21d8ea3d1a798f0a9">lv_name</a>, <span class="keyword">false</span>, <span class="keyword">false</span>)
+<a name="l01931"></a>01931 <a class="code" href="PassSupport_8h.html#af0564bcdde2dd4400c670ca278c6035f">INITIALIZE_AG_DEPENDENCY</a>(<a class="code" href="classllvm_1_1AliasAnalysis.html">AliasAnalysis</a>)
+<a name="l01932"></a>01932 <a class="code" href="PassSupport_8h.html#a14724f1ccf528e73bb29bc9230737967">INITIALIZE_PASS_DEPENDENCY</a>(<a class="code" href="classllvm_1_1ScalarEvolution.html">ScalarEvolution</a>)
+<a name="l01933"></a>01933 <a class="code" href="PassSupport_8h.html#a14724f1ccf528e73bb29bc9230737967">INITIALIZE_PASS_DEPENDENCY</a>(LoopSimplify)
+<a name="l01934"></a>01934 <a class="code" href="PassSupport_8h.html#a74ce8276b89067e806f67c45a6d92575">INITIALIZE_PASS_END</a>(LoopVectorize, <a class="code" href="LoopVectorize_8cpp.html#a0eff4a8bccb143ae91e197e6a59d4692">LV_NAME</a>, <a class="code" href="LoopVectorize_8cpp.html#a5ce679c74f9d5aa21d8ea3d1a798f0a9">lv_name</a>, <a class="code" href="AliasAnalysisEvaluator_8cpp.html#a3898a228575af19a9b2052f2b3677dce">false</a>, false)
+<a name="l01935"></a>01935
+<a name="l01936"></a>01936 namespace llvm {
+<a name="l01937"></a><a class="code" href="namespacellvm.html#afbbb84b4e3862dbf87ff3b6966dab634">01937</a> <a class="code" href="classllvm_1_1Pass.html">Pass</a> *<a class="code" href="namespacellvm.html#afbbb84b4e3862dbf87ff3b6966dab634">createLoopVectorizePass</a>() {
+<a name="l01938"></a>01938 <span class="keywordflow">return</span> <span class="keyword">new</span> LoopVectorize();
+<a name="l01939"></a>01939 }
+<a name="l01940"></a>01940 }
+<a name="l01941"></a>01941
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:30 for <a href="http://llvm.org/">LLVM</a> by
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+align="middle" border="0"/>1.7.5.1</a><br>
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+All Rights Reserved.</p>
+
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+<title>LLVM: LowerAtomic.cpp File Reference</title>
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+<a href="#define-members">Defines</a> |
+<a href="#func-members">Functions</a> </div>
+ <div class="headertitle">
+<div class="title">LowerAtomic.cpp File Reference</div> </div>
+</div>
+<div class="contents">
+<div class="textblock"><code>#include "<a class="el" href="Transforms_2Scalar_8h_source.html">llvm/Transforms/Scalar.h</a>"</code><br/>
+<code>#include "<a class="el" href="Function_8h_source.html">llvm/Function.h</a>"</code><br/>
+<code>#include "<a class="el" href="IRBuilder_8h_source.html">llvm/IRBuilder.h</a>"</code><br/>
+<code>#include "<a class="el" href="IntrinsicInst_8h_source.html">llvm/IntrinsicInst.h</a>"</code><br/>
+<code>#include "<a class="el" href="Pass_8h_source.html">llvm/Pass.h</a>"</code><br/>
+</div><div class="textblock"><div class="dynheader">
+Include dependency graph for LowerAtomic.cpp:</div>
+<div class="dyncontent">
+<div class="center"><img src="LowerAtomic_8cpp__incl.png" border="0" usemap="#LowerAtomic_8cpp" alt=""/></div>
+<!-- MAP 0 -->
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+</div>
+<p><a href="LowerAtomic_8cpp_source.html">Go to the source code of this file.</a></p>
+<table class="memberdecls">
+<tr><td colspan="2"><h2><a name="define-members"></a>
+Defines</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerAtomic_8cpp.html#ad78e062f62e0d6e453941fb4ca843e4d">DEBUG_TYPE</a> "loweratomic"</td></tr>
+<tr><td colspan="2"><h2><a name="func-members"></a>
+Functions</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerAtomic_8cpp.html#a2b5c8771e0cc8646b57ded45c63ab516">LowerAtomicCmpXchgInst</a> (<a class="el" href="classllvm_1_1AtomicCmpXchgInst.html">AtomicCmpXchgInst</a> *CXI)</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerAtomic_8cpp.html#accabb74146593269ab10d8cfa8cec5a7">LowerAtomicRMWInst</a> (<a class="el" href="classllvm_1_1AtomicRMWInst.html">AtomicRMWInst</a> *RMWI)</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerAtomic_8cpp.html#a71a9a2cc77be9409f284b570894f16d2">LowerFenceInst</a> (<a class="el" href="classllvm_1_1FenceInst.html">FenceInst</a> *FI)</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerAtomic_8cpp.html#a533cef247257a2fdcfbf3caed9edded6">LowerLoadInst</a> (<a class="el" href="classllvm_1_1LoadInst.html">LoadInst</a> *<a class="el" href="LoopInfoImpl_8h.html#ab7b7f3fe4279386eae18cf924053d077">LI</a>)</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerAtomic_8cpp.html#a23409a4a384c75050e75b5e947f91a61">LowerStoreInst</a> (<a class="el" href="classllvm_1_1StoreInst.html">StoreInst</a> *SI)</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerAtomic_8cpp.html#ae1064ffca4ced76da572c094f92f95db">INITIALIZE_PASS</a> (LowerAtomic,"loweratomic","Lower atomic intrinsics to non-atomic form", false, <a class="el" href="SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85">false</a>) <a class="el" href="classllvm_1_1Pass.html">Pass</a> *llvm</td></tr>
+</table>
+<hr/><h2>Define Documentation</h2>
+<a class="anchor" id="ad78e062f62e0d6e453941fb4ca843e4d"></a><!-- doxytag: member="LowerAtomic.cpp::DEBUG_TYPE" ref="ad78e062f62e0d6e453941fb4ca843e4d" args="" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">#define DEBUG_TYPE "loweratomic"</td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LowerAtomic_8cpp_source.html#l00015">15</a> of file <a class="el" href="LowerAtomic_8cpp_source.html">LowerAtomic.cpp</a>.</p>
+
+</div>
+</div>
+<hr/><h2>Function Documentation</h2>
+<a class="anchor" id="ae1064ffca4ced76da572c094f92f95db"></a><!-- doxytag: member="LowerAtomic.cpp::INITIALIZE_PASS" ref="ae1064ffca4ced76da572c094f92f95db" args="(LowerAtomic,"loweratomic","Lower atomic intrinsics to non-atomic form", false, false) Pass *llvm" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">INITIALIZE_PASS </td>
+ <td>(</td>
+ <td class="paramtype">LowerAtomic </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">"loweratomic" </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">"Lower atomic intrinsics to non-atomic form" </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype"><a class="el" href="SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85">false</a> </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype"><a class="el" href="SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85">false</a> </td>
+ <td class="paramname"> </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td>)</td>
+ <td></td><td></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LowerAtomic_8cpp_source.html#l00138">138</a> of file <a class="el" href="LowerAtomic_8cpp_source.html">LowerAtomic.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a2b5c8771e0cc8646b57ded45c63ab516"></a><!-- doxytag: member="LowerAtomic.cpp::LowerAtomicCmpXchgInst" ref="a2b5c8771e0cc8646b57ded45c63ab516" args="(AtomicCmpXchgInst *CXI)" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> LowerAtomicCmpXchgInst </td>
+ <td>(</td>
+ <td class="paramtype"><a class="el" href="classllvm_1_1AtomicCmpXchgInst.html">AtomicCmpXchgInst</a> * </td>
+ <td class="paramname"><em>CXI</em></td><td>)</td>
+ <td><code> [static]</code></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LowerAtomic_8cpp_source.html#l00023">23</a> of file <a class="el" href="LowerAtomic_8cpp_source.html">LowerAtomic.cpp</a>.</p>
+
+<p>References <a class="el" href="Instruction_8cpp_source.html#l00071">llvm::Instruction::eraseFromParent()</a>, <a class="el" href="Instructions_8h_source.html#l00516">llvm::AtomicCmpXchgInst::getCompareOperand()</a>, <a class="el" href="Instructions_8h_source.html#l00519">llvm::AtomicCmpXchgInst::getNewValOperand()</a>, <a class="el" href="Instruction_8h_source.html#l00051">llvm::Instruction::getParent()</a>, <a class="el" href="Instructions_8h_source.html#l00512">llvm::AtomicCmpXchgInst::getPointerOperand()</a>, and <a class="el" href="Value_8cpp_source.html#l00297">llvm::Value::replaceAllUsesWith()</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="accabb74146593269ab10d8cfa8cec5a7"></a><!-- doxytag: member="LowerAtomic.cpp::LowerAtomicRMWInst" ref="accabb74146593269ab10d8cfa8cec5a7" args="(AtomicRMWInst *RMWI)" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> LowerAtomicRMWInst </td>
+ <td>(</td>
+ <td class="paramtype"><a class="el" href="classllvm_1_1AtomicRMWInst.html">AtomicRMWInst</a> * </td>
+ <td class="paramname"><em>RMWI</em></td><td>)</td>
+ <td><code> [static]</code></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LowerAtomic_8cpp_source.html#l00039">39</a> of file <a class="el" href="LowerAtomic_8cpp_source.html">LowerAtomic.cpp</a>.</p>
+
+<p>References <a class="el" href="Instructions_8h_source.html#l00570">llvm::AtomicRMWInst::Add</a>, <a class="el" href="Instructions_8h_source.html#l00574">llvm::AtomicRMWInst::And</a>, <a class="el" href="Instruction_8cpp_source.html#l00071">llvm::Instruction::eraseFromParent()</a>, <a class="el" href="Instructions_8h_source.html#l00606">llvm::AtomicRMWInst::getOperation()</a>, <a class="el" href="Instruction_8h_source.html#l00051">llvm::Instruction::getParent()</a>, <a class="el" href="Instructions_8h_source.html#l00659">llvm::AtomicRMWInst::getPointerOperand()</a>, <a class="el" href="Instructions_8h_source.html#l00663">llvm::AtomicRMWInst::getValOperand()</a>, <a class="el" href="ErrorHandling_8h_source.html#l00098">llvm_unreachable</a>, <a class="el" href="Instructions_8h_source.html#l00582">llvm::AtomicRMWInst::Max</a>, <a class="el" href="Instructions_8h_source.html#l00584">llvm::AtomicRMWInst::Min</a>, <a class="el" href="Instructions_8h_source.html#l00576">llvm::Ato
micRMWInst::Nand</a>, <a class="el" href="Instructions_8h_source.html#l00578">llvm::AtomicRMWInst::Or</a>, <a class="el" href="Value_8cpp_source.html#l00297">llvm::Value::replaceAllUsesWith()</a>, <a class="el" href="Instructions_8h_source.html#l00572">llvm::AtomicRMWInst::Sub</a>, <a class="el" href="Instructions_8h_source.html#l00586">llvm::AtomicRMWInst::UMax</a>, <a class="el" href="Instructions_8h_source.html#l00588">llvm::AtomicRMWInst::UMin</a>, <a class="el" href="Instructions_8h_source.html#l00568">llvm::AtomicRMWInst::Xchg</a>, and <a class="el" href="Instructions_8h_source.html#l00580">llvm::AtomicRMWInst::Xor</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a71a9a2cc77be9409f284b570894f16d2"></a><!-- doxytag: member="LowerAtomic.cpp::LowerFenceInst" ref="a71a9a2cc77be9409f284b570894f16d2" args="(FenceInst *FI)" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> LowerFenceInst </td>
+ <td>(</td>
+ <td class="paramtype"><a class="el" href="classllvm_1_1FenceInst.html">FenceInst</a> * </td>
+ <td class="paramname"><em>FI</em></td><td>)</td>
+ <td><code> [static]</code></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LowerAtomic_8cpp_source.html#l00093">93</a> of file <a class="el" href="LowerAtomic_8cpp_source.html">LowerAtomic.cpp</a>.</p>
+
+<p>References <a class="el" href="Instruction_8cpp_source.html#l00071">llvm::Instruction::eraseFromParent()</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a533cef247257a2fdcfbf3caed9edded6"></a><!-- doxytag: member="LowerAtomic.cpp::LowerLoadInst" ref="a533cef247257a2fdcfbf3caed9edded6" args="(LoadInst *LI)" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> LowerLoadInst </td>
+ <td>(</td>
+ <td class="paramtype"><a class="el" href="classllvm_1_1LoadInst.html">LoadInst</a> * </td>
+ <td class="paramname"><em>LI</em></td><td>)</td>
+ <td><code> [static]</code></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LowerAtomic_8cpp_source.html#l00098">98</a> of file <a class="el" href="LowerAtomic_8cpp_source.html">LowerAtomic.cpp</a>.</p>
+
+<p>References <a class="el" href="Instructions_8h_source.html#l00038">llvm::NotAtomic</a>, and <a class="el" href="Instructions_8h_source.html#l00213">llvm::LoadInst::setAtomic()</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a23409a4a384c75050e75b5e947f91a61"></a><!-- doxytag: member="LowerAtomic.cpp::LowerStoreInst" ref="a23409a4a384c75050e75b5e947f91a61" args="(StoreInst *SI)" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">static <a class="el" href="X86DisassemblerDecoder_8c.html#a6156fe0b594c9754f386f6c6a30c8165">bool</a> LowerStoreInst </td>
+ <td>(</td>
+ <td class="paramtype"><a class="el" href="classllvm_1_1StoreInst.html">StoreInst</a> * </td>
+ <td class="paramname"><em>SI</em></td><td>)</td>
+ <td><code> [static]</code></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LowerAtomic_8cpp_source.html#l00103">103</a> of file <a class="el" href="LowerAtomic_8cpp_source.html">LowerAtomic.cpp</a>.</p>
+
+<p>References <a class="el" href="Instructions_8h_source.html#l00038">llvm::NotAtomic</a>, and <a class="el" href="Instructions_8h_source.html#l00333">llvm::StoreInst::setAtomic()</a>.</p>
+
+</div>
+</div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:39:31 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
Added: www-releases/trunk/3.2/docs/doxygen/html/LowerExpectIntrinsic_8cpp.html
URL: http://llvm.org/viewvc/llvm-project/www-releases/trunk/3.2/docs/doxygen/html/LowerExpectIntrinsic_8cpp.html?rev=170845&view=auto
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--- www-releases/trunk/3.2/docs/doxygen/html/LowerExpectIntrinsic_8cpp.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/LowerExpectIntrinsic_8cpp.html Fri Dec 21 00:57:24 2012
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: LowerExpectIntrinsic.cpp File Reference</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
+<p class="title">LLVM API Documentation</p>
+<!-- Generated by Doxygen 1.7.5.1 -->
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+ <ul class="tablist">
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+ <li><a href="globals.html"><span>File Members</span></a></li>
+ </ul>
+ </div>
+ <div id="nav-path" class="navpath">
+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_74e9364f374e99e3aeab4fae4e196292.html">lib</a> </li>
+ <li class="navelem"><a class="el" href="dir_22ea62e2015f6a823fddac4ac38ba517.html">Transforms</a> </li>
+ <li class="navelem"><a class="el" href="dir_256b03a856f3de95632a509cd258a236.html">Utils</a> </li>
+ </ul>
+ </div>
+</div>
+<div class="header">
+ <div class="summary">
+<a href="#define-members">Defines</a> |
+<a href="#func-members">Functions</a> |
+<a href="#var-members">Variables</a> </div>
+ <div class="headertitle">
+<div class="title">LowerExpectIntrinsic.cpp File Reference</div> </div>
+</div>
+<div class="contents">
+<div class="textblock"><code>#include "<a class="el" href="BasicBlock_8h_source.html">llvm/BasicBlock.h</a>"</code><br/>
+<code>#include "<a class="el" href="Constants_8h_source.html">llvm/Constants.h</a>"</code><br/>
+<code>#include "<a class="el" href="Function_8h_source.html">llvm/Function.h</a>"</code><br/>
+<code>#include "<a class="el" href="Instructions_8h_source.html">llvm/Instructions.h</a>"</code><br/>
+<code>#include "<a class="el" href="Intrinsics_8h_source.html">llvm/Intrinsics.h</a>"</code><br/>
+<code>#include "<a class="el" href="LLVMContext_8h_source.html">llvm/LLVMContext.h</a>"</code><br/>
+<code>#include "<a class="el" href="MDBuilder_8h_source.html">llvm/MDBuilder.h</a>"</code><br/>
+<code>#include "<a class="el" href="Metadata_8h_source.html">llvm/Metadata.h</a>"</code><br/>
+<code>#include "<a class="el" href="Pass_8h_source.html">llvm/Pass.h</a>"</code><br/>
+<code>#include "<a class="el" href="Statistic_8h_source.html">llvm/ADT/Statistic.h</a>"</code><br/>
+<code>#include "<a class="el" href="Transforms_2Scalar_8h_source.html">llvm/Transforms/Scalar.h</a>"</code><br/>
+<code>#include "<a class="el" href="CommandLine_8h_source.html">llvm/Support/CommandLine.h</a>"</code><br/>
+<code>#include "<a class="el" href="Debug_8h_source.html">llvm/Support/Debug.h</a>"</code><br/>
+<code>#include <vector></code><br/>
+</div><div class="textblock"><div class="dynheader">
+Include dependency graph for LowerExpectIntrinsic.cpp:</div>
+<div class="dyncontent">
+<div class="center"><img src="LowerExpectIntrinsic_8cpp__incl.png" border="0" usemap="#LowerExpectIntrinsic_8cpp" alt=""/></div>
+<!-- MAP 0 -->
+</div>
+</div>
+<p><a href="LowerExpectIntrinsic_8cpp_source.html">Go to the source code of this file.</a></p>
+<table class="memberdecls">
+<tr><td colspan="2"><h2><a name="define-members"></a>
+Defines</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerExpectIntrinsic_8cpp.html#ad78e062f62e0d6e453941fb4ca843e4d">DEBUG_TYPE</a> "lower-expect-intrinsic"</td></tr>
+<tr><td colspan="2"><h2><a name="func-members"></a>
+Functions</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerExpectIntrinsic_8cpp.html#a894091c1972b7bab7f4684a6193b9f50">STATISTIC</a> (IfHandled,"Number of 'expect' intrinsic intructions handled")</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerExpectIntrinsic_8cpp.html#a4ddc6597ec433bcb50681c53e6ab3c51">INITIALIZE_PASS</a> (LowerExpectIntrinsic,"lower-expect","Lower 'expect' ""Intrinsics", false, <a class="el" href="SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85">false</a>) <a class="el" href="classllvm_1_1FunctionPass.html">FunctionPass</a> *llvm</td></tr>
+<tr><td colspan="2"><h2><a name="var-members"></a>
+Variables</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classllvm_1_1cl_1_1opt.html">cl::opt</a>< uint32_t > </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerExpectIntrinsic_8cpp.html#a0767d265572b6e7a4b4bcf2e84d5ee12">LikelyBranchWeight</a> ("likely-branch-weight", cl::Hidden, cl::init(64), <a class="el" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>("Weight of the branch likely to be taken (default = 64)"))</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classllvm_1_1cl_1_1opt.html">cl::opt</a>< uint32_t > </td><td class="memItemRight" valign="bottom"><a class="el" href="LowerExpectIntrinsic_8cpp.html#a72ea56b60e6a78dffb6f58bba4a85752">UnlikelyBranchWeight</a> ("unlikely-branch-weight", cl::Hidden, cl::init(4), <a class="el" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>("Weight of the branch unlikely to be taken (default = 4)"))</td></tr>
+</table>
+<hr/><h2>Define Documentation</h2>
+<a class="anchor" id="ad78e062f62e0d6e453941fb4ca843e4d"></a><!-- doxytag: member="LowerExpectIntrinsic.cpp::DEBUG_TYPE" ref="ad78e062f62e0d6e453941fb4ca843e4d" args="" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">#define DEBUG_TYPE "lower-expect-intrinsic"</td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LowerExpectIntrinsic_8cpp_source.html#l00014">14</a> of file <a class="el" href="LowerExpectIntrinsic_8cpp_source.html">LowerExpectIntrinsic.cpp</a>.</p>
+
+</div>
+</div>
+<hr/><h2>Function Documentation</h2>
+<a class="anchor" id="a4ddc6597ec433bcb50681c53e6ab3c51"></a><!-- doxytag: member="LowerExpectIntrinsic.cpp::INITIALIZE_PASS" ref="a4ddc6597ec433bcb50681c53e6ab3c51" args="(LowerExpectIntrinsic,"lower-expect","Lower 'expect' ""Intrinsics", false, false) FunctionPass *llvm" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">INITIALIZE_PASS </td>
+ <td>(</td>
+ <td class="paramtype">LowerExpectIntrinsic </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">"lower-expect" </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">"Lower 'expect' ""Intrinsics" </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype"><a class="el" href="SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85">false</a> </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype"><a class="el" href="SimplifyInstructions_8cpp.html#a6dd713bd88673625bb181528a61bdc85">false</a> </td>
+ <td class="paramname"> </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td>)</td>
+ <td></td><td></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="LowerExpectIntrinsic_8cpp_source.html#l00169">169</a> of file <a class="el" href="LowerExpectIntrinsic_8cpp_source.html">LowerExpectIntrinsic.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a894091c1972b7bab7f4684a6193b9f50"></a><!-- doxytag: member="LowerExpectIntrinsic.cpp::STATISTIC" ref="a894091c1972b7bab7f4684a6193b9f50" args="(IfHandled,"Number of 'expect' intrinsic intructions handled")" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">STATISTIC </td>
+ <td>(</td>
+ <td class="paramtype">IfHandled </td>
+ <td class="paramname">, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">"Number of 'expect' intrinsic intructions handled" </td>
+ <td class="paramname"> </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td>)</td>
+ <td></td><td></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+</div>
+</div>
+<hr/><h2>Variable Documentation</h2>
+<a class="anchor" id="a0767d265572b6e7a4b4bcf2e84d5ee12"></a><!-- doxytag: member="LowerExpectIntrinsic.cpp::LikelyBranchWeight" ref="a0767d265572b6e7a4b4bcf2e84d5ee12" args="("likely-branch-weight", cl::Hidden, cl::init(64), cl::desc("Weight of the branch likely to be taken (default = 64)"))" -->
+<div class="memitem">
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+ <td class="memname"><a class="el" href="classllvm_1_1cl_1_1opt.html">cl::opt</a><uint32_t> <a class="el" href="LowerExpectIntrinsic_8cpp.html#a0767d265572b6e7a4b4bcf2e84d5ee12">LikelyBranchWeight</a>("likely-branch-weight", cl::Hidden, cl::init(64), <a class="el" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>("Weight of the branch likely to be taken (default = 64)"))<code> [static]</code></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+</div>
+</div>
+<a class="anchor" id="a72ea56b60e6a78dffb6f58bba4a85752"></a><!-- doxytag: member="LowerExpectIntrinsic.cpp::UnlikelyBranchWeight" ref="a72ea56b60e6a78dffb6f58bba4a85752" args="("unlikely-branch-weight", cl::Hidden, cl::init(4), cl::desc("Weight of the branch unlikely to be taken (default = 4)"))" -->
+<div class="memitem">
+<div class="memproto">
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+ <td class="memname"><a class="el" href="classllvm_1_1cl_1_1opt.html">cl::opt</a><uint32_t> <a class="el" href="LowerExpectIntrinsic_8cpp.html#a72ea56b60e6a78dffb6f58bba4a85752">UnlikelyBranchWeight</a>("unlikely-branch-weight", cl::Hidden, cl::init(4), <a class="el" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>("Weight of the branch unlikely to be taken (default = 4)"))<code> [static]</code></td>
+ </tr>
+ </table>
+</div>
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+<title>LLVM: LowerExpectIntrinsic.cpp Source File</title>
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+<div class="title">LowerExpectIntrinsic.cpp</div> </div>
+</div>
+<div class="contents">
+<a href="LowerExpectIntrinsic_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===- LowerExpectIntrinsic.cpp - Lower expect intrinsic ------------------===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// This pass lowers the 'expect' intrinsic to LLVM metadata.</span>
+<a name="l00011"></a>00011 <span class="comment">//</span>
+<a name="l00012"></a>00012 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00013"></a>00013
+<a name="l00014"></a><a class="code" href="LowerExpectIntrinsic_8cpp.html#ad78e062f62e0d6e453941fb4ca843e4d">00014</a> <span class="preprocessor">#define DEBUG_TYPE "lower-expect-intrinsic"</span>
+<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="BasicBlock_8h.html">llvm/BasicBlock.h</a>"</span>
+<a name="l00016"></a>00016 <span class="preprocessor">#include "<a class="code" href="Constants_8h.html">llvm/Constants.h</a>"</span>
+<a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="Function_8h.html">llvm/Function.h</a>"</span>
+<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="Instructions_8h.html">llvm/Instructions.h</a>"</span>
+<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="Intrinsics_8h.html">llvm/Intrinsics.h</a>"</span>
+<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="LLVMContext_8h.html">llvm/LLVMContext.h</a>"</span>
+<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="MDBuilder_8h.html">llvm/MDBuilder.h</a>"</span>
+<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="Metadata_8h.html">llvm/Metadata.h</a>"</span>
+<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="Pass_8h.html">llvm/Pass.h</a>"</span>
+<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="Statistic_8h.html">llvm/ADT/Statistic.h</a>"</span>
+<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="Transforms_2Scalar_8h.html">llvm/Transforms/Scalar.h</a>"</span>
+<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="CommandLine_8h.html">llvm/Support/CommandLine.h</a>"</span>
+<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="Debug_8h.html">llvm/Support/Debug.h</a>"</span>
+<a name="l00028"></a>00028 <span class="preprocessor">#include <vector></span>
+<a name="l00029"></a>00029
+<a name="l00030"></a>00030 <span class="keyword">using namespace </span>llvm;
+<a name="l00031"></a>00031
+<a name="l00032"></a>00032 <a class="code" href="Statistic_8h.html#ad6117415b93e5675d5a6c8e1855b3b2f">STATISTIC</a>(IfHandled, <span class="stringliteral">"Number of 'expect' intrinsic intructions handled"</span>);
+<a name="l00033"></a>00033
+<a name="l00034"></a>00034 <span class="keyword">static</span> <a class="code" href="classllvm_1_1cl_1_1opt.html">cl::opt<uint32_t></a>
+<a name="l00035"></a>00035 <a class="code" href="LowerExpectIntrinsic_8cpp.html#a0767d265572b6e7a4b4bcf2e84d5ee12">LikelyBranchWeight</a>(<span class="stringliteral">"likely-branch-weight"</span>, <a class="code" href="namespacellvm_1_1cl.html#a68075925a54790e71ca790e1d4f21a40a263ac008d8d31f13ce460395fc4cf7e6">cl::Hidden</a>, <a class="code" href="namespacellvm_1_1cl.html#a10a041239ae1870cfcc064bfaa79fb65">cl::init</a>(64),
+<a name="l00036"></a>00036 <a class="code" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>(<span class="stringliteral">"Weight of the branch likely to be taken (default = 64)"</span>));
+<a name="l00037"></a>00037 <span class="keyword">static</span> <a class="code" href="classllvm_1_1cl_1_1opt.html">cl::opt<uint32_t></a>
+<a name="l00038"></a>00038 <a class="code" href="LowerExpectIntrinsic_8cpp.html#a72ea56b60e6a78dffb6f58bba4a85752">UnlikelyBranchWeight</a>(<span class="stringliteral">"unlikely-branch-weight"</span>, <a class="code" href="namespacellvm_1_1cl.html#a68075925a54790e71ca790e1d4f21a40a263ac008d8d31f13ce460395fc4cf7e6">cl::Hidden</a>, <a class="code" href="namespacellvm_1_1cl.html#a10a041239ae1870cfcc064bfaa79fb65">cl::init</a>(4),
+<a name="l00039"></a>00039 <a class="code" href="structllvm_1_1cl_1_1desc.html">cl::desc</a>(<span class="stringliteral">"Weight of the branch unlikely to be taken (default = 4)"</span>));
+<a name="l00040"></a>00040
+<a name="l00041"></a>00041 <span class="keyword">namespace </span>{
+<a name="l00042"></a>00042
+<a name="l00043"></a>00043 <span class="keyword">class </span>LowerExpectIntrinsic : <span class="keyword">public</span> <a class="code" href="classllvm_1_1FunctionPass.html">FunctionPass</a> {
+<a name="l00044"></a>00044
+<a name="l00045"></a>00045 <span class="keywordtype">bool</span> HandleSwitchExpect(<a class="code" href="classllvm_1_1SwitchInst.html">SwitchInst</a> *SI);
+<a name="l00046"></a>00046
+<a name="l00047"></a>00047 <span class="keywordtype">bool</span> HandleIfExpect(<a class="code" href="classllvm_1_1BranchInst.html">BranchInst</a> *BI);
+<a name="l00048"></a>00048
+<a name="l00049"></a>00049 <span class="keyword">public</span>:
+<a name="l00050"></a>00050 <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>;
+<a name="l00051"></a>00051 LowerExpectIntrinsic() : <a class="code" href="classllvm_1_1FunctionPass.html">FunctionPass</a>(<a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>) {
+<a name="l00052"></a>00052 <a class="code" href="namespacellvm.html#a905e81399147702d5f17cf907969989d">initializeLowerExpectIntrinsicPass</a>(*<a class="code" href="classllvm_1_1PassRegistry.html#a05a729900b76c89e808c6c3094921b2f">PassRegistry::getPassRegistry</a>());
+<a name="l00053"></a>00053 }
+<a name="l00054"></a>00054
+<a name="l00055"></a>00055 <span class="keywordtype">bool</span> runOnFunction(<a class="code" href="classllvm_1_1Function.html">Function</a> &<a class="code" href="LLParser_8cpp.html#a33ece1ef8074506a15d7f86eb76dbae6">F</a>);
+<a name="l00056"></a>00056 };
+<a name="l00057"></a>00057 }
+<a name="l00058"></a>00058
+<a name="l00059"></a>00059
+<a name="l00060"></a>00060 <span class="keywordtype">bool</span> LowerExpectIntrinsic::HandleSwitchExpect(<a class="code" href="classllvm_1_1SwitchInst.html">SwitchInst</a> *SI) {
+<a name="l00061"></a>00061 <a class="code" href="classllvm_1_1CallInst.html">CallInst</a> *CI = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1CallInst.html">CallInst</a>>(SI-><a class="code" href="classllvm_1_1SwitchInst.html#add5ee99852e9927d0777e74572c91708">getCondition</a>());
+<a name="l00062"></a>00062 <span class="keywordflow">if</span> (!CI)
+<a name="l00063"></a>00063 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00064"></a>00064
+<a name="l00065"></a>00065 <a class="code" href="classllvm_1_1Function.html">Function</a> *Fn = CI-><a class="code" href="classllvm_1_1CallInst.html#a0bcd4131e1a1d92215f5385b4e16cd2e">getCalledFunction</a>();
+<a name="l00066"></a>00066 <span class="keywordflow">if</span> (!Fn || Fn-><a class="code" href="classllvm_1_1Function.html#a7e47131185becc5c96731a2e28441b77">getIntrinsicID</a>() != Intrinsic::expect)
+<a name="l00067"></a>00067 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00068"></a>00068
+<a name="l00069"></a>00069 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *ArgValue = CI-><a class="code" href="classllvm_1_1CallInst.html#a150b33ecedbc8c7803c2db8040fbe3f8">getArgOperand</a>(0);
+<a name="l00070"></a>00070 <a class="code" href="classllvm_1_1ConstantInt.html" title="Class for constant integers.">ConstantInt</a> *ExpectedValue = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1ConstantInt.html" title="Class for constant integers.">ConstantInt</a>>(CI-><a class="code" href="classllvm_1_1CallInst.html#a150b33ecedbc8c7803c2db8040fbe3f8">getArgOperand</a>(1));
+<a name="l00071"></a>00071 <span class="keywordflow">if</span> (!ExpectedValue)
+<a name="l00072"></a>00072 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00073"></a>00073
+<a name="l00074"></a>00074 <a class="code" href="classllvm_1_1SwitchInst_1_1CaseIt.html">SwitchInst::CaseIt</a> Case = SI-><a class="code" href="classllvm_1_1SwitchInst.html#ad3a1537c850f63ce48bcf45694cde73f">findCaseValue</a>(ExpectedValue);
+<a name="l00075"></a>00075 <span class="keywordtype">unsigned</span> n = SI-><a class="code" href="classllvm_1_1SwitchInst.html#a4901d4ad48420014059e9393f75442ae">getNumCases</a>(); <span class="comment">// +1 for default case.</span>
+<a name="l00076"></a>00076 std::vector<uint32_t> Weights(n + 1);
+<a name="l00077"></a>00077
+<a name="l00078"></a>00078 Weights[0] = Case == SI-><a class="code" href="classllvm_1_1SwitchInst.html#a96a201f56500af4dd70b4169f140cb4c">case_default</a>() ? <a class="code" href="LowerExpectIntrinsic_8cpp.html#a0767d265572b6e7a4b4bcf2e84d5ee12">LikelyBranchWeight</a>
+<a name="l00079"></a>00079 : <a class="code" href="LowerExpectIntrinsic_8cpp.html#a72ea56b60e6a78dffb6f58bba4a85752">UnlikelyBranchWeight</a>;
+<a name="l00080"></a>00080 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i != n; ++i)
+<a name="l00081"></a>00081 Weights[i + 1] = i == Case.<a class="code" href="classllvm_1_1SwitchInst_1_1CaseIteratorT.html#a7c0fe8716b2fe36d19bfb6659975ef92" title="Returns number of current case.">getCaseIndex</a>() ? <a class="code" href="LowerExpectIntrinsic_8cpp.html#a0767d265572b6e7a4b4bcf2e84d5ee12">LikelyBranchWeight</a>
+<a name="l00082"></a>00082 : <a class="code" href="LowerExpectIntrinsic_8cpp.html#a72ea56b60e6a78dffb6f58bba4a85752">UnlikelyBranchWeight</a>;
+<a name="l00083"></a>00083
+<a name="l00084"></a>00084 SI-><a class="code" href="classllvm_1_1Instruction.html#a9247a212ea89acc9573fa7e7f557eaba">setMetadata</a>(<a class="code" href="classllvm_1_1LLVMContext.html#a19d63434356844e2fd7116a9c0866ec9a31130c233c11d5b171bae969ee4c8af8">LLVMContext::MD_prof</a>,
+<a name="l00085"></a>00085 <a class="code" href="classllvm_1_1MDBuilder.html">MDBuilder</a>(CI-><a class="code" href="classllvm_1_1Value.html#af85a4828b6b5a8de7fc0a55cc0e5b52f" title="All values hold a context through their type.">getContext</a>()).createBranchWeights(Weights));
+<a name="l00086"></a>00086
+<a name="l00087"></a>00087 SI-><a class="code" href="classllvm_1_1SwitchInst.html#a48f1c68131a864a29455ce86c1d571b2">setCondition</a>(ArgValue);
+<a name="l00088"></a>00088 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00089"></a>00089 }
+<a name="l00090"></a>00090
+<a name="l00091"></a>00091
+<a name="l00092"></a>00092 <span class="keywordtype">bool</span> LowerExpectIntrinsic::HandleIfExpect(<a class="code" href="classllvm_1_1BranchInst.html">BranchInst</a> *BI) {
+<a name="l00093"></a>00093 <span class="keywordflow">if</span> (BI-><a class="code" href="classllvm_1_1BranchInst.html#a382131e712e55e8324fbd5068de17b78">isUnconditional</a>())
+<a name="l00094"></a>00094 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00095"></a>00095
+<a name="l00096"></a>00096 <span class="comment">// Handle non-optimized IR code like:</span>
+<a name="l00097"></a>00097 <span class="comment">// %expval = call i64 @llvm.expect.i64.i64(i64 %conv1, i64 1)</span>
+<a name="l00098"></a>00098 <span class="comment">// %tobool = icmp ne i64 %expval, 0</span>
+<a name="l00099"></a>00099 <span class="comment">// br i1 %tobool, label %if.then, label %if.end</span>
+<a name="l00100"></a>00100
+<a name="l00101"></a>00101 <a class="code" href="classllvm_1_1ICmpInst.html" title="Represent an integer comparison operator.">ICmpInst</a> *CmpI = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1ICmpInst.html" title="Represent an integer comparison operator.">ICmpInst</a>>(BI-><a class="code" href="classllvm_1_1BranchInst.html#a84309bb8c34c8bc5694ec5d48dd8668f">getCondition</a>());
+<a name="l00102"></a>00102 <span class="keywordflow">if</span> (!CmpI || CmpI-><a class="code" href="classllvm_1_1CmpInst.html#a8afd4995fae596b2c86eeed85b3d388b" title="Return the predicate for this instruction.">getPredicate</a>() != <a class="code" href="classllvm_1_1CmpInst.html#a283f9a5d4d843d20c40bb4d3e364bb05ac17897ebf2f6a6986280fc3bdf28a30a" title="not equal">CmpInst::ICMP_NE</a>)
+<a name="l00103"></a>00103 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00104"></a>00104
+<a name="l00105"></a>00105 <a class="code" href="classllvm_1_1CallInst.html">CallInst</a> *CI = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1CallInst.html">CallInst</a>>(CmpI-><a class="code" href="classllvm_1_1User.html#a997ff6a1758bf732b9b263fc61011644">getOperand</a>(0));
+<a name="l00106"></a>00106 <span class="keywordflow">if</span> (!CI)
+<a name="l00107"></a>00107 <span class="keywordflow">return</span> <span class="keyword">false</span>;
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+<a name="l00110"></a>00110 <span class="keywordflow">if</span> (!Fn || Fn-><a class="code" href="classllvm_1_1Function.html#a7e47131185becc5c96731a2e28441b77">getIntrinsicID</a>() != Intrinsic::expect)
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+<a name="l00112"></a>00112
+<a name="l00113"></a>00113 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *ArgValue = CI-><a class="code" href="classllvm_1_1CallInst.html#a150b33ecedbc8c7803c2db8040fbe3f8">getArgOperand</a>(0);
+<a name="l00114"></a>00114 <a class="code" href="classllvm_1_1ConstantInt.html" title="Class for constant integers.">ConstantInt</a> *ExpectedValue = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1ConstantInt.html" title="Class for constant integers.">ConstantInt</a>>(CI-><a class="code" href="classllvm_1_1CallInst.html#a150b33ecedbc8c7803c2db8040fbe3f8">getArgOperand</a>(1));
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+<a name="l00116"></a>00116 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00117"></a>00117
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+<a name="l00120"></a>00120
+<a name="l00121"></a>00121 <span class="comment">// If expect value is equal to 1 it means that we are more likely to take</span>
+<a name="l00122"></a>00122 <span class="comment">// branch 0, in other case more likely is branch 1.</span>
+<a name="l00123"></a>00123 <span class="keywordflow">if</span> (ExpectedValue-><a class="code" href="classllvm_1_1ConstantInt.html#aa96ca2cf0bb1e924523900fb911b0a45" title="Determine if the value is one.">isOne</a>())
+<a name="l00124"></a>00124 Node = MDB.createBranchWeights(<a class="code" href="LowerExpectIntrinsic_8cpp.html#a0767d265572b6e7a4b4bcf2e84d5ee12">LikelyBranchWeight</a>, <a class="code" href="LowerExpectIntrinsic_8cpp.html#a72ea56b60e6a78dffb6f58bba4a85752">UnlikelyBranchWeight</a>);
+<a name="l00125"></a>00125 <span class="keywordflow">else</span>
+<a name="l00126"></a>00126 Node = MDB.createBranchWeights(<a class="code" href="LowerExpectIntrinsic_8cpp.html#a72ea56b60e6a78dffb6f58bba4a85752">UnlikelyBranchWeight</a>, <a class="code" href="LowerExpectIntrinsic_8cpp.html#a0767d265572b6e7a4b4bcf2e84d5ee12">LikelyBranchWeight</a>);
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+<a name="l00128"></a>00128 BI-><a class="code" href="classllvm_1_1Instruction.html#a9247a212ea89acc9573fa7e7f557eaba">setMetadata</a>(<a class="code" href="classllvm_1_1LLVMContext.html#a19d63434356844e2fd7116a9c0866ec9a31130c233c11d5b171bae969ee4c8af8">LLVMContext::MD_prof</a>, Node);
+<a name="l00129"></a>00129
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+<a name="l00131"></a>00131 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00132"></a>00132 }
+<a name="l00133"></a>00133
+<a name="l00134"></a>00134
+<a name="l00135"></a>00135 <span class="keywordtype">bool</span> LowerExpectIntrinsic::runOnFunction(<a class="code" href="classllvm_1_1Function.html">Function</a> &<a class="code" href="LLParser_8cpp.html#a33ece1ef8074506a15d7f86eb76dbae6">F</a>) {
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+<a name="l00138"></a>00138
+<a name="l00139"></a>00139 <span class="comment">// Create "block_weights" metadata.</span>
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+<a name="l00141"></a>00141 <span class="keywordflow">if</span> (HandleIfExpect(BI))
+<a name="l00142"></a>00142 IfHandled++;
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+<a name="l00145"></a>00145 IfHandled++;
+<a name="l00146"></a>00146 }
+<a name="l00147"></a>00147
+<a name="l00148"></a>00148 <span class="comment">// remove llvm.expect intrinsics.</span>
+<a name="l00149"></a>00149 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">BasicBlock::iterator</a> BI = BB-><a class="code" href="classllvm_1_1BasicBlock.html#a0ed5f3ab3c2e4196ee0cffffa080c062">begin</a>(), BE = BB-><a class="code" href="classllvm_1_1BasicBlock.html#a0b4e7bee9b8575cc7db73329f1a561bd">end</a>();
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+<a name="l00153"></a>00153 <span class="keywordflow">continue</span>;
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+<a name="l00160"></a>00160 }
+<a name="l00161"></a>00161 }
+<a name="l00162"></a>00162 }
+<a name="l00163"></a>00163
+<a name="l00164"></a>00164 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00165"></a>00165 }
+<a name="l00166"></a>00166
+<a name="l00167"></a>00167
+<a name="l00168"></a>00168 <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">LowerExpectIntrinsic::ID</a> = 0;
+<a name="l00169"></a><a class="code" href="LowerExpectIntrinsic_8cpp.html#a4ddc6597ec433bcb50681c53e6ab3c51">00169</a> <a class="code" href="PassSupport_8h.html#af807c9595d50b45c0008924c4679c85c">INITIALIZE_PASS</a>(LowerExpectIntrinsic, <span class="stringliteral">"lower-expect"</span>, <span class="stringliteral">"Lower 'expect' "</span>
+<a name="l00170"></a>00170 <span class="stringliteral">"Intrinsics"</span>, <span class="keyword">false</span>, <span class="keyword">false</span>)
+<a name="l00171"></a>00171
+<a name="l00172"></a>00172 <a class="code" href="classllvm_1_1FunctionPass.html">FunctionPass</a> *llvm::<a class="code" href="namespacellvm.html#a7f96751b0dbbb50b5c9d8135ef2cddd6">createLowerExpectIntrinsicPass</a>() {
+<a name="l00173"></a>00173 <span class="keywordflow">return</span> <span class="keyword">new</span> LowerExpectIntrinsic();
+<a name="l00174"></a>00174 }
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:30 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
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+<title>LLVM: LowerSwitch.cpp Source File</title>
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+<p class="title">LLVM API Documentation</p>
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+<div class="header">
+ <div class="headertitle">
+<div class="title">LowerSwitch.cpp</div> </div>
+</div>
+<div class="contents">
+<a href="LowerSwitch_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===- LowerSwitch.cpp - Eliminate Switch instructions --------------------===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// The LowerSwitch transformation rewrites switch instructions with a sequence</span>
+<a name="l00011"></a>00011 <span class="comment">// of branches, which allows targets to get away with not implementing the</span>
+<a name="l00012"></a>00012 <span class="comment">// switch instruction until it is convenient.</span>
+<a name="l00013"></a>00013 <span class="comment">//</span>
+<a name="l00014"></a>00014 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00015"></a>00015
+<a name="l00016"></a>00016 <span class="preprocessor">#include "<a class="code" href="Transforms_2Scalar_8h.html">llvm/Transforms/Scalar.h</a>"</span>
+<a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="UnifyFunctionExitNodes_8h.html">llvm/Transforms/Utils/UnifyFunctionExitNodes.h</a>"</span>
+<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="Constants_8h.html">llvm/Constants.h</a>"</span>
+<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="Function_8h.html">llvm/Function.h</a>"</span>
+<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="Instructions_8h.html">llvm/Instructions.h</a>"</span>
+<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="LLVMContext_8h.html">llvm/LLVMContext.h</a>"</span>
+<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="Pass_8h.html">llvm/Pass.h</a>"</span>
+<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="STLExtras_8h.html">llvm/ADT/STLExtras.h</a>"</span>
+<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="Compiler_8h.html">llvm/Support/Compiler.h</a>"</span>
+<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="Debug_8h.html">llvm/Support/Debug.h</a>"</span>
+<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="raw__ostream_8h.html">llvm/Support/raw_ostream.h</a>"</span>
+<a name="l00027"></a>00027 <span class="preprocessor">#include <algorithm></span>
+<a name="l00028"></a>00028 <span class="keyword">using namespace </span>llvm;
+<a name="l00029"></a>00029
+<a name="l00030"></a>00030 <span class="keyword">namespace </span>{<span class="comment"></span>
+<a name="l00031"></a>00031 <span class="comment"> /// LowerSwitch Pass - Replace all SwitchInst instructions with chained branch</span>
+<a name="l00032"></a>00032 <span class="comment"> /// instructions.</span>
+<a name="l00033"></a>00033 <span class="comment"></span> <span class="keyword">class </span>LowerSwitch : <span class="keyword">public</span> <a class="code" href="classllvm_1_1FunctionPass.html">FunctionPass</a> {
+<a name="l00034"></a>00034 <span class="keyword">public</span>:
+<a name="l00035"></a>00035 <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>; <span class="comment">// Pass identification, replacement for typeid</span>
+<a name="l00036"></a>00036 LowerSwitch() : <a class="code" href="classllvm_1_1FunctionPass.html">FunctionPass</a>(<a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>) {
+<a name="l00037"></a>00037 <a class="code" href="namespacellvm.html#a9f5e25ad942e249864dcab11b5894eac">initializeLowerSwitchPass</a>(*<a class="code" href="classllvm_1_1PassRegistry.html#a05a729900b76c89e808c6c3094921b2f">PassRegistry::getPassRegistry</a>());
+<a name="l00038"></a>00038 }
+<a name="l00039"></a>00039
+<a name="l00040"></a>00040 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> runOnFunction(<a class="code" href="classllvm_1_1Function.html">Function</a> &<a class="code" href="LLParser_8cpp.html#a33ece1ef8074506a15d7f86eb76dbae6">F</a>);
+<a name="l00041"></a>00041
+<a name="l00042"></a>00042 <span class="keyword">virtual</span> <span class="keywordtype">void</span> getAnalysisUsage(<a class="code" href="classllvm_1_1AnalysisUsage.html">AnalysisUsage</a> &AU)<span class="keyword"> const </span>{
+<a name="l00043"></a>00043 <span class="comment">// This is a cluster of orthogonal Transforms</span>
+<a name="l00044"></a>00044 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#a884f90190bca4bd354f2d5c91c264028">addPreserved</a><<a class="code" href="structllvm_1_1UnifyFunctionExitNodes.html">UnifyFunctionExitNodes</a>>();
+<a name="l00045"></a>00045 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#a884f90190bca4bd354f2d5c91c264028">addPreserved</a>(<span class="stringliteral">"mem2reg"</span>);
+<a name="l00046"></a>00046 AU.<a class="code" href="classllvm_1_1AnalysisUsage.html#a40970e5d42646fb2d9aa5f7a2c879516">addPreservedID</a>(<a class="code" href="namespacellvm.html#a490d92b549159125ab1a4deaae7a403f">LowerInvokePassID</a>);
+<a name="l00047"></a>00047 }
+<a name="l00048"></a>00048
+<a name="l00049"></a>00049 <span class="keyword">struct </span>CaseRange {
+<a name="l00050"></a>00050 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a>* Low;
+<a name="l00051"></a>00051 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a>* High;
+<a name="l00052"></a>00052 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* BB;
+<a name="l00053"></a>00053
+<a name="l00054"></a>00054 CaseRange(<a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *low = 0, <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *high = 0, <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *bb = 0) :
+<a name="l00055"></a>00055 Low(low), High(high), BB(bb) { }
+<a name="l00056"></a>00056 };
+<a name="l00057"></a>00057
+<a name="l00058"></a>00058 <span class="keyword">typedef</span> std::vector<CaseRange> CaseVector;
+<a name="l00059"></a>00059 <span class="keyword">typedef</span> std::vector<CaseRange>::iterator CaseItr;
+<a name="l00060"></a>00060 <span class="keyword">private</span>:
+<a name="l00061"></a>00061 <span class="keywordtype">void</span> processSwitchInst(<a class="code" href="classllvm_1_1SwitchInst.html">SwitchInst</a> *SI);
+<a name="l00062"></a>00062
+<a name="l00063"></a>00063 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* switchConvert(CaseItr Begin, CaseItr End, <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a>* Val,
+<a name="l00064"></a>00064 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* OrigBlock, <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* <a class="code" href="namespacellvm_1_1Reloc.html#af59f6dc86e80aaf56f1afd155eebf568a6f9fa4f118519f6df6435bd13317466e">Default</a>);
+<a name="l00065"></a>00065 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* newLeafBlock(CaseRange& Leaf, <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a>* Val,
+<a name="l00066"></a>00066 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* OrigBlock, <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* <a class="code" href="namespacellvm_1_1Reloc.html#af59f6dc86e80aaf56f1afd155eebf568a6f9fa4f118519f6df6435bd13317466e">Default</a>);
+<a name="l00067"></a>00067 <span class="keywordtype">unsigned</span> Clusterify(CaseVector& Cases, <a class="code" href="classllvm_1_1SwitchInst.html">SwitchInst</a> *SI);
+<a name="l00068"></a>00068 };
+<a name="l00069"></a>00069 }
+<a name="l00070"></a>00070
+<a name="l00071"></a>00071 <span class="keywordtype">char</span> <a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">LowerSwitch::ID</a> = 0;
+<a name="l00072"></a>00072 <a class="code" href="PassSupport_8h.html#af807c9595d50b45c0008924c4679c85c">INITIALIZE_PASS</a>(LowerSwitch, <span class="stringliteral">"lowerswitch"</span>,
+<a name="l00073"></a>00073 <span class="stringliteral">"Lower SwitchInst's to branches"</span>, <span class="keyword">false</span>, <span class="keyword">false</span>)
+<a name="l00074"></a>00074
+<a name="l00075"></a>00075 <span class="comment">// Publicly exposed interface to pass...</span>
+<a name="l00076"></a>00076 <a class="code" href="classchar.html">char</a> &llvm::<a class="code" href="namespacellvm.html#a84b419f26a692a58d8ed99124c68f89c">LowerSwitchID</a> = LowerSwitch::<a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974" title="LLVM Calling Convention Representation.">ID</a>;
+<a name="l00077"></a>00077 <span class="comment">// createLowerSwitchPass - Interface to this file...</span>
+<a name="l00078"></a>00078 <a class="code" href="classllvm_1_1FunctionPass.html">FunctionPass</a> *llvm::<a class="code" href="namespacellvm.html#a256eb71cfded711708ae92c1f177c41b">createLowerSwitchPass</a>() {
+<a name="l00079"></a>00079 <span class="keywordflow">return</span> <span class="keyword">new</span> LowerSwitch();
+<a name="l00080"></a>00080 }
+<a name="l00081"></a>00081
+<a name="l00082"></a>00082 <span class="keywordtype">bool</span> LowerSwitch::runOnFunction(<a class="code" href="classllvm_1_1Function.html">Function</a> &<a class="code" href="LLParser_8cpp.html#a33ece1ef8074506a15d7f86eb76dbae6">F</a>) {
+<a name="l00083"></a>00083 <span class="keywordtype">bool</span> Changed = <span class="keyword">false</span>;
+<a name="l00084"></a>00084
+<a name="l00085"></a>00085 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">Function::iterator</a> <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = F.<a class="code" href="classllvm_1_1Function.html#a88a5e60837674780a9d812d661897ac5">begin</a>(), E = F.<a class="code" href="classllvm_1_1Function.html#ae4ca2261b8b901e415fda7feac5051ea">end</a>(); <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> != E; ) {
+<a name="l00086"></a>00086 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *Cur = <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>++; <span class="comment">// Advance over block so we don't traverse new blocks</span>
+<a name="l00087"></a>00087
+<a name="l00088"></a>00088 <span class="keywordflow">if</span> (<a class="code" href="classllvm_1_1SwitchInst.html">SwitchInst</a> *SI = dyn_cast<SwitchInst>(Cur-><a class="code" href="classllvm_1_1BasicBlock.html#a5cb76a65b6524dba1493dd2b9dc3abbe">getTerminator</a>())) {
+<a name="l00089"></a>00089 Changed = <span class="keyword">true</span>;
+<a name="l00090"></a>00090 processSwitchInst(SI);
+<a name="l00091"></a>00091 }
+<a name="l00092"></a>00092 }
+<a name="l00093"></a>00093
+<a name="l00094"></a>00094 <span class="keywordflow">return</span> Changed;
+<a name="l00095"></a>00095 }
+<a name="l00096"></a>00096
+<a name="l00097"></a>00097 <span class="comment">// operator<< - Used for debugging purposes.</span>
+<a name="l00098"></a>00098 <span class="comment">//</span>
+<a name="l00099"></a>00099 <span class="keyword">static</span> <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a>& <a class="code" href="namespacellvm.html#a6a02d446812b76c3b271d9e3e3c77b49">operator<<</a>(<a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O,
+<a name="l00100"></a>00100 <span class="keyword">const</span> LowerSwitch::CaseVector &<a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974afd841a49aec1539bc88abc8ff9e170fb">C</a>)
+<a name="l00101"></a>00101 <a class="code" href="Compiler_8h.html#a6881c00738b22a600dfee25a1c32dab3">LLVM_ATTRIBUTE_USED</a>;
+<a name="l00102"></a><a class="code" href="LowerSwitch_8cpp.html#ad0752d4b3a0501bdf6d09efaaf6b51f4">00102</a> <span class="keyword">static</span> <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a>& <a class="code" href="namespacellvm.html#a6a02d446812b76c3b271d9e3e3c77b49">operator<<</a>(<a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O,
+<a name="l00103"></a>00103 <span class="keyword">const</span> LowerSwitch::CaseVector &<a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974afd841a49aec1539bc88abc8ff9e170fb">C</a>) {
+<a name="l00104"></a>00104 O << <span class="stringliteral">"["</span>;
+<a name="l00105"></a>00105
+<a name="l00106"></a>00106 <span class="keywordflow">for</span> (LowerSwitch::CaseVector::const_iterator B = C.begin(),
+<a name="l00107"></a>00107 E = C.end(); B != E; ) {
+<a name="l00108"></a>00108 O << *B->Low << <span class="stringliteral">" -"</span> << *B->High;
+<a name="l00109"></a>00109 <span class="keywordflow">if</span> (++B != E) O << <span class="stringliteral">", "</span>;
+<a name="l00110"></a>00110 }
+<a name="l00111"></a>00111
+<a name="l00112"></a>00112 <span class="keywordflow">return</span> O << <span class="stringliteral">"]"</span>;
+<a name="l00113"></a>00113 }
+<a name="l00114"></a>00114
+<a name="l00115"></a>00115 <span class="comment">// switchConvert - Convert the switch statement into a binary lookup of</span>
+<a name="l00116"></a>00116 <span class="comment">// the case values. The function recursively builds this tree.</span>
+<a name="l00117"></a>00117 <span class="comment">//</span>
+<a name="l00118"></a>00118 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* LowerSwitch::switchConvert(CaseItr Begin, CaseItr End,
+<a name="l00119"></a>00119 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a>* Val, <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* OrigBlock,
+<a name="l00120"></a>00120 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* <a class="code" href="namespacellvm_1_1Reloc.html#af59f6dc86e80aaf56f1afd155eebf568a6f9fa4f118519f6df6435bd13317466e">Default</a>)
+<a name="l00121"></a>00121 {
+<a name="l00122"></a>00122 <span class="keywordtype">unsigned</span> Size = End - Begin;
+<a name="l00123"></a>00123
+<a name="l00124"></a>00124 <span class="keywordflow">if</span> (Size == 1)
+<a name="l00125"></a>00125 <span class="keywordflow">return</span> newLeafBlock(*Begin, Val, OrigBlock, Default);
+<a name="l00126"></a>00126
+<a name="l00127"></a>00127 <span class="keywordtype">unsigned</span> Mid = Size / 2;
+<a name="l00128"></a>00128 std::vector<CaseRange> LHS(Begin, Begin + Mid);
+<a name="l00129"></a>00129 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"LHS: "</span> << LHS << <span class="stringliteral">"\n"</span>);
+<a name="l00130"></a>00130 std::vector<CaseRange> RHS(Begin + Mid, End);
+<a name="l00131"></a>00131 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"RHS: "</span> << RHS << <span class="stringliteral">"\n"</span>);
+<a name="l00132"></a>00132
+<a name="l00133"></a>00133 CaseRange& Pivot = *(Begin + Mid);
+<a name="l00134"></a>00134 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"Pivot ==> "</span>
+<a name="l00135"></a>00135 << cast<ConstantInt>(Pivot.Low)->getValue() << <span class="stringliteral">" -"</span>
+<a name="l00136"></a>00136 << cast<ConstantInt>(Pivot.High)->getValue() << <span class="stringliteral">"\n"</span>);
+<a name="l00137"></a>00137
+<a name="l00138"></a>00138 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* LBranch = switchConvert(LHS.begin(), LHS.end(), Val,
+<a name="l00139"></a>00139 OrigBlock, <a class="code" href="namespacellvm_1_1Reloc.html#af59f6dc86e80aaf56f1afd155eebf568a6f9fa4f118519f6df6435bd13317466e">Default</a>);
+<a name="l00140"></a>00140 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* RBranch = switchConvert(RHS.begin(), RHS.end(), Val,
+<a name="l00141"></a>00141 OrigBlock, <a class="code" href="namespacellvm_1_1Reloc.html#af59f6dc86e80aaf56f1afd155eebf568a6f9fa4f118519f6df6435bd13317466e">Default</a>);
+<a name="l00142"></a>00142
+<a name="l00143"></a>00143 <span class="comment">// Create a new node that checks if the value is < pivot. Go to the</span>
+<a name="l00144"></a>00144 <span class="comment">// left branch if it is and right branch if not.</span>
+<a name="l00145"></a>00145 <a class="code" href="classllvm_1_1Function.html">Function</a>* F = OrigBlock-><a class="code" href="classllvm_1_1GlobalValue.html#a9e1fc23a17e97d2d1732e753ae9251ac">getParent</a>();
+<a name="l00146"></a>00146 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* NewNode = <a class="code" href="classllvm_1_1BasicBlock.html#ae1d53a21892854816885c7288f8b46f1">BasicBlock::Create</a>(Val-><a class="code" href="classllvm_1_1Value.html#af85a4828b6b5a8de7fc0a55cc0e5b52f" title="All values hold a context through their type.">getContext</a>(), <span class="stringliteral">"NodeBlock"</span>);
+<a name="l00147"></a>00147 <a class="code" href="classllvm_1_1ilist__iterator.html">Function::iterator</a> FI = OrigBlock;
+<a name="l00148"></a>00148 F->getBasicBlockList().insert(++FI, NewNode);
+<a name="l00149"></a>00149
+<a name="l00150"></a>00150 <a class="code" href="classllvm_1_1ICmpInst.html" title="Represent an integer comparison operator.">ICmpInst</a>* Comp = <span class="keyword">new</span> <a class="code" href="classllvm_1_1ICmpInst.html" title="Represent an integer comparison operator.">ICmpInst</a>(<a class="code" href="classllvm_1_1CmpInst.html#a283f9a5d4d843d20c40bb4d3e364bb05a91d86a4753c8bd7624e01bf565d87f8e" title="unsigned less than">ICmpInst::ICMP_ULT</a>,
+<a name="l00151"></a>00151 Val, Pivot.Low, <span class="stringliteral">"Pivot"</span>);
+<a name="l00152"></a>00152 NewNode-><a class="code" href="classllvm_1_1BasicBlock.html#a531d11ba36ed48d86057d507cc8d5567">getInstList</a>().push_back(Comp);
+<a name="l00153"></a>00153 <a class="code" href="classllvm_1_1BranchInst.html#ae9cbc599309fd2da33ec1c61df01ce1f">BranchInst::Create</a>(LBranch, RBranch, Comp, NewNode);
+<a name="l00154"></a>00154 <span class="keywordflow">return</span> NewNode;
+<a name="l00155"></a>00155 }
+<a name="l00156"></a>00156
+<a name="l00157"></a>00157 <span class="comment">// newLeafBlock - Create a new leaf block for the binary lookup tree. It</span>
+<a name="l00158"></a>00158 <span class="comment">// checks if the switch's value == the case's value. If not, then it</span>
+<a name="l00159"></a>00159 <span class="comment">// jumps to the default branch. At this point in the tree, the value</span>
+<a name="l00160"></a>00160 <span class="comment">// can't be another valid case value, so the jump to the "default" branch</span>
+<a name="l00161"></a>00161 <span class="comment">// is warranted.</span>
+<a name="l00162"></a>00162 <span class="comment">//</span>
+<a name="l00163"></a>00163 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* LowerSwitch::newLeafBlock(CaseRange& Leaf, <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a>* Val,
+<a name="l00164"></a>00164 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* OrigBlock,
+<a name="l00165"></a>00165 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* Default)
+<a name="l00166"></a>00166 {
+<a name="l00167"></a>00167 <a class="code" href="classllvm_1_1Function.html">Function</a>* F = OrigBlock-><a class="code" href="classllvm_1_1BasicBlock.html#aca229503e4f5c83a187a6a921c625fa8">getParent</a>();
+<a name="l00168"></a>00168 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* NewLeaf = <a class="code" href="classllvm_1_1BasicBlock.html#ae1d53a21892854816885c7288f8b46f1">BasicBlock::Create</a>(Val-><a class="code" href="classllvm_1_1Value.html#af85a4828b6b5a8de7fc0a55cc0e5b52f" title="All values hold a context through their type.">getContext</a>(), <span class="stringliteral">"LeafBlock"</span>);
+<a name="l00169"></a>00169 <a class="code" href="classllvm_1_1ilist__iterator.html">Function::iterator</a> FI = OrigBlock;
+<a name="l00170"></a>00170 F-><a class="code" href="classllvm_1_1Function.html#a4d34a40b2667246539b80589adf2028e">getBasicBlockList</a>().insert(++FI, NewLeaf);
+<a name="l00171"></a>00171
+<a name="l00172"></a>00172 <span class="comment">// Emit comparison</span>
+<a name="l00173"></a>00173 <a class="code" href="classllvm_1_1ICmpInst.html" title="Represent an integer comparison operator.">ICmpInst</a>* Comp = NULL;
+<a name="l00174"></a>00174 <span class="keywordflow">if</span> (Leaf.Low == Leaf.High) {
+<a name="l00175"></a>00175 <span class="comment">// Make the seteq instruction...</span>
+<a name="l00176"></a>00176 Comp = <span class="keyword">new</span> <a class="code" href="classllvm_1_1ICmpInst.html" title="Represent an integer comparison operator.">ICmpInst</a>(*NewLeaf, <a class="code" href="classllvm_1_1CmpInst.html#a283f9a5d4d843d20c40bb4d3e364bb05aa719225e2de4059f93fd3209e1f48218" title="equal">ICmpInst::ICMP_EQ</a>, Val,
+<a name="l00177"></a>00177 Leaf.Low, <span class="stringliteral">"SwitchLeaf"</span>);
+<a name="l00178"></a>00178 } <span class="keywordflow">else</span> {
+<a name="l00179"></a>00179 <span class="comment">// Make range comparison</span>
+<a name="l00180"></a>00180 <span class="keywordflow">if</span> (cast<ConstantInt>(Leaf.Low)->isMinValue(<span class="keyword">true</span> <span class="comment">/*isSigned*/</span>)) {
+<a name="l00181"></a>00181 <span class="comment">// Val >= Min && Val <= Hi --> Val <= Hi</span>
+<a name="l00182"></a>00182 Comp = <span class="keyword">new</span> <a class="code" href="classllvm_1_1ICmpInst.html" title="Represent an integer comparison operator.">ICmpInst</a>(*NewLeaf, <a class="code" href="classllvm_1_1CmpInst.html#a283f9a5d4d843d20c40bb4d3e364bb05a2751d6136a2819749dcef65dc19a4246" title="signed less or equal">ICmpInst::ICMP_SLE</a>, Val, Leaf.High,
+<a name="l00183"></a>00183 <span class="stringliteral">"SwitchLeaf"</span>);
+<a name="l00184"></a>00184 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cast<ConstantInt>(Leaf.Low)->isZero()) {
+<a name="l00185"></a>00185 <span class="comment">// Val >= 0 && Val <= Hi --> Val <=u Hi</span>
+<a name="l00186"></a>00186 Comp = <span class="keyword">new</span> <a class="code" href="classllvm_1_1ICmpInst.html" title="Represent an integer comparison operator.">ICmpInst</a>(*NewLeaf, <a class="code" href="classllvm_1_1CmpInst.html#a283f9a5d4d843d20c40bb4d3e364bb05ad92f160316221fd4090520bb2b3cefc5" title="unsigned less or equal">ICmpInst::ICMP_ULE</a>, Val, Leaf.High,
+<a name="l00187"></a>00187 <span class="stringliteral">"SwitchLeaf"</span>);
+<a name="l00188"></a>00188 } <span class="keywordflow">else</span> {
+<a name="l00189"></a>00189 <span class="comment">// Emit V-Lo <=u Hi-Lo</span>
+<a name="l00190"></a>00190 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a>* NegLo = <a class="code" href="classllvm_1_1ConstantExpr.html#afa29f0cd072ab9b3a2630681ffe5760f">ConstantExpr::getNeg</a>(Leaf.Low);
+<a name="l00191"></a>00191 <a class="code" href="classllvm_1_1Instruction.html">Instruction</a>* Add = BinaryOperator::CreateAdd(Val, NegLo,
+<a name="l00192"></a>00192 Val-><a class="code" href="classllvm_1_1Value.html#ad452febc1ac0b394876e640ec03ffa38">getName</a>()+<span class="stringliteral">".off"</span>,
+<a name="l00193"></a>00193 NewLeaf);
+<a name="l00194"></a>00194 <a class="code" href="classllvm_1_1Constant.html" title="LLVM Constant Representation.">Constant</a> *UpperBound = <a class="code" href="classllvm_1_1ConstantExpr.html#ae6f1c15034bc5515033874630a8ecce6">ConstantExpr::getAdd</a>(NegLo, Leaf.High);
+<a name="l00195"></a>00195 Comp = <span class="keyword">new</span> <a class="code" href="classllvm_1_1ICmpInst.html" title="Represent an integer comparison operator.">ICmpInst</a>(*NewLeaf, <a class="code" href="classllvm_1_1CmpInst.html#a283f9a5d4d843d20c40bb4d3e364bb05ad92f160316221fd4090520bb2b3cefc5" title="unsigned less or equal">ICmpInst::ICMP_ULE</a>, Add, UpperBound,
+<a name="l00196"></a>00196 <span class="stringliteral">"SwitchLeaf"</span>);
+<a name="l00197"></a>00197 }
+<a name="l00198"></a>00198 }
+<a name="l00199"></a>00199
+<a name="l00200"></a>00200 <span class="comment">// Make the conditional branch...</span>
+<a name="l00201"></a>00201 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* Succ = Leaf.BB;
+<a name="l00202"></a>00202 <a class="code" href="classllvm_1_1BranchInst.html#ae9cbc599309fd2da33ec1c61df01ce1f">BranchInst::Create</a>(Succ, Default, Comp, NewLeaf);
+<a name="l00203"></a>00203
+<a name="l00204"></a>00204 <span class="comment">// If there were any PHI nodes in this successor, rewrite one entry</span>
+<a name="l00205"></a>00205 <span class="comment">// from OrigBlock to come from NewLeaf.</span>
+<a name="l00206"></a>00206 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">BasicBlock::iterator</a> <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = Succ-><a class="code" href="classllvm_1_1BasicBlock.html#a0ed5f3ab3c2e4196ee0cffffa080c062">begin</a>(); isa<PHINode>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>); ++<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>) {
+<a name="l00207"></a>00207 <a class="code" href="classllvm_1_1PHINode.html">PHINode</a>* PN = cast<PHINode>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>);
+<a name="l00208"></a>00208 <span class="comment">// Remove all but one incoming entries from the cluster</span>
+<a name="l00209"></a>00209 uint64_t Range = cast<ConstantInt>(Leaf.High)->getSExtValue() -
+<a name="l00210"></a>00210 cast<ConstantInt>(Leaf.Low)->getSExtValue();
+<a name="l00211"></a>00211 <span class="keywordflow">for</span> (uint64_t j = 0; j < Range; ++j) {
+<a name="l00212"></a>00212 PN-><a class="code" href="classllvm_1_1PHINode.html#a6f01dbe965b38186b1a78378689d4105">removeIncomingValue</a>(OrigBlock);
+<a name="l00213"></a>00213 }
+<a name="l00214"></a>00214
+<a name="l00215"></a>00215 <span class="keywordtype">int</span> BlockIdx = PN-><a class="code" href="classllvm_1_1PHINode.html#a5c2b7d7f19aac93b27b845858a7eb73e">getBasicBlockIndex</a>(OrigBlock);
+<a name="l00216"></a>00216 assert(BlockIdx != -1 && <span class="stringliteral">"Switch didn't go to this successor??"</span>);
+<a name="l00217"></a>00217 PN-><a class="code" href="classllvm_1_1PHINode.html#a5ba57877c55dfdbe6e3bbfdacd9ef8c1">setIncomingBlock</a>((<span class="keywordtype">unsigned</span>)BlockIdx, NewLeaf);
+<a name="l00218"></a>00218 }
+<a name="l00219"></a>00219
+<a name="l00220"></a>00220 <span class="keywordflow">return</span> NewLeaf;
+<a name="l00221"></a>00221 }
+<a name="l00222"></a>00222
+<a name="l00223"></a>00223 <span class="comment">// Clusterify - Transform simple list of Cases into list of CaseRange's</span>
+<a name="l00224"></a>00224 <span class="keywordtype">unsigned</span> LowerSwitch::Clusterify(CaseVector& Cases, <a class="code" href="classllvm_1_1SwitchInst.html">SwitchInst</a> *SI) {
+<a name="l00225"></a>00225
+<a name="l00226"></a>00226 <a class="code" href="classllvm_1_1IntegersSubsetMapping.html">IntegersSubsetToBB</a> TheClusterifier;
+<a name="l00227"></a>00227
+<a name="l00228"></a>00228 <span class="comment">// Start with "simple" cases</span>
+<a name="l00229"></a>00229 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1SwitchInst_1_1CaseIt.html">SwitchInst::CaseIt</a> i = SI-><a class="code" href="classllvm_1_1SwitchInst.html#ae69c15ce940c41719cb96209e113a26e">case_begin</a>(), e = SI-><a class="code" href="classllvm_1_1SwitchInst.html#a219f2a3514d904d05dc8003a4ee5d291">case_end</a>();
+<a name="l00230"></a>00230 i != e; ++i) {
+<a name="l00231"></a>00231 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *SuccBB = i.getCaseSuccessor();
+<a name="l00232"></a>00232 <a class="code" href="classllvm_1_1IntegersSubset.html">IntegersSubset</a> CaseRanges = i.getCaseValueEx();
+<a name="l00233"></a>00233 TheClusterifier.<a class="code" href="classllvm_1_1IntegersSubsetMapping.html#a4eca595acba5e4c98ba0f4670cd11274" title="Adds a constant value.">add</a>(CaseRanges, SuccBB);
+<a name="l00234"></a>00234 }
+<a name="l00235"></a>00235
+<a name="l00236"></a>00236 TheClusterifier.<a class="code" href="classllvm_1_1IntegersSubsetMapping.html#a27ecc7eeefe50cc4770da2d2e1633a02">optimize</a>();
+<a name="l00237"></a>00237
+<a name="l00238"></a>00238 <span class="keywordtype">size_t</span> numCmps = 0;
+<a name="l00239"></a>00239 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1IntegersSubsetMapping.html#a469b0c80e7884db3c371407d9c6b2cfb">IntegersSubsetToBB::RangeIterator</a> i = TheClusterifier.<a class="code" href="classllvm_1_1IntegersSubsetMapping.html#aa0f43c8faa0e78b648389043fefb8fd4">begin</a>(),
+<a name="l00240"></a>00240 e = TheClusterifier.<a class="code" href="classllvm_1_1IntegersSubsetMapping.html#a0b6813e4fb8c65adb7656c15bf79aefe">end</a>(); i != e; ++i, ++numCmps) {
+<a name="l00241"></a>00241 <a class="code" href="classllvm_1_1IntegersSubsetMapping.html#a24e241fd98dc7dc7ef7a430db6044463">IntegersSubsetToBB::Cluster</a> &<a class="code" href="namespacellvm_1_1CallingConv.html#a4f861731fc6dbfdccc05af5968d98974afd841a49aec1539bc88abc8ff9e170fb">C</a> = *i;
+<a name="l00242"></a>00242
+<a name="l00243"></a>00243 <span class="comment">// FIXME: Currently work with ConstantInt based numbers.</span>
+<a name="l00244"></a>00244 <span class="comment">// Changing it to APInt based is a pretty heavy for this commit.</span>
+<a name="l00245"></a>00245 Cases.push_back(CaseRange(C.first.getLow().toConstantInt(),
+<a name="l00246"></a>00246 C.first.getHigh().toConstantInt(), C.second));
+<a name="l00247"></a>00247 <span class="keywordflow">if</span> (C.first.isSingleNumber())
+<a name="l00248"></a>00248 <span class="comment">// A range counts double, since it requires two compares.</span>
+<a name="l00249"></a>00249 ++numCmps;
+<a name="l00250"></a>00250 }
+<a name="l00251"></a>00251
+<a name="l00252"></a>00252 <span class="keywordflow">return</span> numCmps;
+<a name="l00253"></a>00253 }
+<a name="l00254"></a>00254
+<a name="l00255"></a>00255 <span class="comment">// processSwitchInst - Replace the specified switch instruction with a sequence</span>
+<a name="l00256"></a>00256 <span class="comment">// of chained if-then insts in a balanced binary search.</span>
+<a name="l00257"></a>00257 <span class="comment">//</span>
+<a name="l00258"></a>00258 <span class="keywordtype">void</span> LowerSwitch::processSwitchInst(<a class="code" href="classllvm_1_1SwitchInst.html">SwitchInst</a> *SI) {
+<a name="l00259"></a>00259 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *CurBlock = SI-><a class="code" href="classllvm_1_1Instruction.html#a9cd49851904f15060edb782ef4dd1b2d">getParent</a>();
+<a name="l00260"></a>00260 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a> *OrigBlock = CurBlock;
+<a name="l00261"></a>00261 <a class="code" href="classllvm_1_1Function.html">Function</a> *F = CurBlock-><a class="code" href="classllvm_1_1BasicBlock.html#aca229503e4f5c83a187a6a921c625fa8">getParent</a>();
+<a name="l00262"></a>00262 <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a> *Val = SI-><a class="code" href="classllvm_1_1SwitchInst.html#add5ee99852e9927d0777e74572c91708">getCondition</a>(); <span class="comment">// The value we are switching on...</span>
+<a name="l00263"></a>00263 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* Default = SI-><a class="code" href="classllvm_1_1SwitchInst.html#a3feb6090a53e81f06d82da0a97be6e19">getDefaultDest</a>();
+<a name="l00264"></a>00264
+<a name="l00265"></a>00265 <span class="comment">// If there is only the default destination, don't bother with the code below.</span>
+<a name="l00266"></a>00266 <span class="keywordflow">if</span> (!SI-><a class="code" href="classllvm_1_1SwitchInst.html#a4901d4ad48420014059e9393f75442ae">getNumCases</a>()) {
+<a name="l00267"></a>00267 <a class="code" href="classllvm_1_1BranchInst.html#ae9cbc599309fd2da33ec1c61df01ce1f">BranchInst::Create</a>(SI-><a class="code" href="classllvm_1_1SwitchInst.html#a3feb6090a53e81f06d82da0a97be6e19">getDefaultDest</a>(), CurBlock);
+<a name="l00268"></a>00268 CurBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a531d11ba36ed48d86057d507cc8d5567">getInstList</a>().erase(SI);
+<a name="l00269"></a>00269 <span class="keywordflow">return</span>;
+<a name="l00270"></a>00270 }
+<a name="l00271"></a>00271
+<a name="l00272"></a>00272 <span class="comment">// Create a new, empty default block so that the new hierarchy of</span>
+<a name="l00273"></a>00273 <span class="comment">// if-then statements go to this and the PHI nodes are happy.</span>
+<a name="l00274"></a>00274 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* NewDefault = <a class="code" href="classllvm_1_1BasicBlock.html#ae1d53a21892854816885c7288f8b46f1">BasicBlock::Create</a>(SI-><a class="code" href="classllvm_1_1Value.html#af85a4828b6b5a8de7fc0a55cc0e5b52f" title="All values hold a context through their type.">getContext</a>(), <span class="stringliteral">"NewDefault"</span>);
+<a name="l00275"></a>00275 F-><a class="code" href="classllvm_1_1Function.html#a4d34a40b2667246539b80589adf2028e">getBasicBlockList</a>().insert(Default, NewDefault);
+<a name="l00276"></a>00276
+<a name="l00277"></a>00277 <a class="code" href="classllvm_1_1BranchInst.html#ae9cbc599309fd2da33ec1c61df01ce1f">BranchInst::Create</a>(Default, NewDefault);
+<a name="l00278"></a>00278
+<a name="l00279"></a>00279 <span class="comment">// If there is an entry in any PHI nodes for the default edge, make sure</span>
+<a name="l00280"></a>00280 <span class="comment">// to update them as well.</span>
+<a name="l00281"></a>00281 <span class="keywordflow">for</span> (<a class="code" href="classllvm_1_1ilist__iterator.html">BasicBlock::iterator</a> <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = Default-><a class="code" href="classllvm_1_1BasicBlock.html#a0ed5f3ab3c2e4196ee0cffffa080c062">begin</a>(); isa<PHINode>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>); ++<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>) {
+<a name="l00282"></a>00282 <a class="code" href="classllvm_1_1PHINode.html">PHINode</a> *PN = cast<PHINode>(<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>);
+<a name="l00283"></a>00283 <span class="keywordtype">int</span> BlockIdx = PN-><a class="code" href="classllvm_1_1PHINode.html#a5c2b7d7f19aac93b27b845858a7eb73e">getBasicBlockIndex</a>(OrigBlock);
+<a name="l00284"></a>00284 assert(BlockIdx != -1 && <span class="stringliteral">"Switch didn't go to this successor??"</span>);
+<a name="l00285"></a>00285 PN-><a class="code" href="classllvm_1_1PHINode.html#a5ba57877c55dfdbe6e3bbfdacd9ef8c1">setIncomingBlock</a>((<span class="keywordtype">unsigned</span>)BlockIdx, NewDefault);
+<a name="l00286"></a>00286 }
+<a name="l00287"></a>00287
+<a name="l00288"></a>00288 <span class="comment">// Prepare cases vector.</span>
+<a name="l00289"></a>00289 CaseVector Cases;
+<a name="l00290"></a>00290 <span class="keywordtype">unsigned</span> numCmps = Clusterify(Cases, SI);
+<a name="l00291"></a>00291
+<a name="l00292"></a>00292 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"Clusterify finished. Total clusters: "</span> << Cases.size()
+<a name="l00293"></a>00293 << <span class="stringliteral">". Total compares: "</span> << numCmps << <span class="stringliteral">"\n"</span>);
+<a name="l00294"></a>00294 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#a7c46c742c31be54870e2038048e6b391" title="dbgs - Return a circular-buffered debug stream.">dbgs</a>() << <span class="stringliteral">"Cases: "</span> << Cases << <span class="stringliteral">"\n"</span>);
+<a name="l00295"></a>00295 (void)numCmps;
+<a name="l00296"></a>00296
+<a name="l00297"></a>00297 <a class="code" href="classllvm_1_1BasicBlock.html" title="LLVM Basic Block Representation.">BasicBlock</a>* SwitchBlock = switchConvert(Cases.begin(), Cases.end(), Val,
+<a name="l00298"></a>00298 OrigBlock, NewDefault);
+<a name="l00299"></a>00299
+<a name="l00300"></a>00300 <span class="comment">// Branch to our shiny new if-then stuff...</span>
+<a name="l00301"></a>00301 <a class="code" href="classllvm_1_1BranchInst.html#ae9cbc599309fd2da33ec1c61df01ce1f">BranchInst::Create</a>(SwitchBlock, OrigBlock);
+<a name="l00302"></a>00302
+<a name="l00303"></a>00303 <span class="comment">// We are now done with the switch instruction, delete it.</span>
+<a name="l00304"></a>00304 CurBlock-><a class="code" href="classllvm_1_1BasicBlock.html#a531d11ba36ed48d86057d507cc8d5567">getInstList</a>().erase(SI);
+<a name="l00305"></a>00305 }
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:30 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
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+<title>LLVM: MBlazeAsmParser.cpp Source File</title>
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+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_74e9364f374e99e3aeab4fae4e196292.html">lib</a> </li>
+ <li class="navelem"><a class="el" href="dir_8a55ec9894173378e0d08f27f306eeee.html">Target</a> </li>
+ <li class="navelem"><a class="el" href="dir_f975b82d147a340f2ab6ec1753ee61b7.html">MBlaze</a> </li>
+ <li class="navelem"><a class="el" href="dir_06443a0bda898e490943f0baf8bc0a78.html">AsmParser</a> </li>
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+<div class="title">MBlazeAsmParser.cpp</div> </div>
+</div>
+<div class="contents">
+<a href="MBlazeAsmParser_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===-- MBlazeAsmParser.cpp - Parse MBlaze asm to MCInst instructions -----===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009
+<a name="l00010"></a>00010 <span class="preprocessor">#include "<a class="code" href="MBlazeBaseInfo_8h.html">MCTargetDesc/MBlazeBaseInfo.h</a>"</span>
+<a name="l00011"></a>00011 <span class="preprocessor">#include "<a class="code" href="MCAsmLexer_8h.html">llvm/MC/MCParser/MCAsmLexer.h</a>"</span>
+<a name="l00012"></a>00012 <span class="preprocessor">#include "<a class="code" href="MCAsmParser_8h.html">llvm/MC/MCParser/MCAsmParser.h</a>"</span>
+<a name="l00013"></a>00013 <span class="preprocessor">#include "<a class="code" href="MCParsedAsmOperand_8h.html">llvm/MC/MCParser/MCParsedAsmOperand.h</a>"</span>
+<a name="l00014"></a>00014 <span class="preprocessor">#include "<a class="code" href="MCStreamer_8h.html">llvm/MC/MCStreamer.h</a>"</span>
+<a name="l00015"></a>00015 <span class="preprocessor">#include "<a class="code" href="MCExpr_8h.html">llvm/MC/MCExpr.h</a>"</span>
+<a name="l00016"></a>00016 <span class="preprocessor">#include "<a class="code" href="MCInst_8h.html">llvm/MC/MCInst.h</a>"</span>
+<a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="MCTargetAsmParser_8h.html">llvm/MC/MCTargetAsmParser.h</a>"</span>
+<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="SourceMgr_8h.html">llvm/Support/SourceMgr.h</a>"</span>
+<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="TargetRegistry_8h.html">llvm/Support/TargetRegistry.h</a>"</span>
+<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="raw__ostream_8h.html">llvm/Support/raw_ostream.h</a>"</span>
+<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="SmallVector_8h.html">llvm/ADT/SmallVector.h</a>"</span>
+<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="Twine_8h.html">llvm/ADT/Twine.h</a>"</span>
+<a name="l00023"></a>00023 <span class="keyword">using namespace </span>llvm;
+<a name="l00024"></a>00024
+<a name="l00025"></a>00025 <span class="keyword">namespace </span>{
+<a name="l00026"></a>00026 <span class="keyword">struct </span>MBlazeOperand;
+<a name="l00027"></a>00027
+<a name="l00028"></a>00028 <span class="keyword">class </span>MBlazeAsmParser : <span class="keyword">public</span> <a class="code" href="classllvm_1_1MCTargetAsmParser.html" title="MCTargetAsmParser - Generic interface to target specific assembly parsers.">MCTargetAsmParser</a> {
+<a name="l00029"></a>00029 <a class="code" href="classllvm_1_1MCAsmParser.html">MCAsmParser</a> &Parser;
+<a name="l00030"></a>00030
+<a name="l00031"></a>00031 <a class="code" href="classllvm_1_1MCAsmParser.html">MCAsmParser</a> &getParser()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> Parser; }
+<a name="l00032"></a>00032 <a class="code" href="classllvm_1_1MCAsmLexer.html">MCAsmLexer</a> &getLexer()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> Parser.getLexer(); }
+<a name="l00033"></a>00033
+<a name="l00034"></a>00034 <span class="keywordtype">void</span> Warning(<a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> L, <span class="keyword">const</span> <a class="code" href="classllvm_1_1Twine.html">Twine</a> &Msg) { Parser.Warning(L, Msg); }
+<a name="l00035"></a>00035 <span class="keywordtype">bool</span> <a class="code" href="namespacellvm_1_1lltok.html#af353621f14cb4b4b3af5ffaff84076b1a3766a4dce43f4efc7208a749cc7ac605">Error</a>(<a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> L, <span class="keyword">const</span> <a class="code" href="classllvm_1_1Twine.html">Twine</a> &Msg) { <span class="keywordflow">return</span> Parser.Error(L, Msg); }
+<a name="l00036"></a>00036
+<a name="l00037"></a>00037 MBlazeOperand *ParseMemory(<a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<MCParsedAsmOperand*></a> &Operands);
+<a name="l00038"></a>00038 MBlazeOperand *ParseRegister(<span class="keywordtype">unsigned</span> &RegNo);
+<a name="l00039"></a>00039 MBlazeOperand *ParseImmediate();
+<a name="l00040"></a>00040 MBlazeOperand *ParseFsl();
+<a name="l00041"></a>00041 MBlazeOperand* ParseOperand(<a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<MCParsedAsmOperand*></a> &Operands);
+<a name="l00042"></a>00042
+<a name="l00043"></a>00043 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> ParseRegister(<span class="keywordtype">unsigned</span> &RegNo, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> &StartLoc, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> &EndLoc);
+<a name="l00044"></a>00044
+<a name="l00045"></a>00045 <span class="keywordtype">bool</span> ParseDirectiveWord(<span class="keywordtype">unsigned</span> Size, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> L);
+<a name="l00046"></a>00046
+<a name="l00047"></a>00047 <span class="keywordtype">bool</span> MatchAndEmitInstruction(<a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> IDLoc, <span class="keywordtype">unsigned</span> &Opcode,
+<a name="l00048"></a>00048 <a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<MCParsedAsmOperand*></a> &Operands,
+<a name="l00049"></a>00049 <a class="code" href="classllvm_1_1MCStreamer.html">MCStreamer</a> &Out, <span class="keywordtype">unsigned</span> &ErrorInfo,
+<a name="l00050"></a>00050 <span class="keywordtype">bool</span> MatchingInlineAsm);
+<a name="l00051"></a>00051 <span class="comment"></span>
+<a name="l00052"></a>00052 <span class="comment"> /// @name Auto-generated Match Functions</span>
+<a name="l00053"></a>00053 <span class="comment"> /// {</span>
+<a name="l00054"></a>00054 <span class="comment"></span>
+<a name="l00055"></a><a class="code" href="MBlazeAsmParser_8cpp.html#a5d893b5c4dfecbb36ed7e313c1d96278">00055</a> <span class="preprocessor">#define GET_ASSEMBLER_HEADER</span>
+<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor">#include "MBlazeGenAsmMatcher.inc"</span>
+<a name="l00057"></a>00057 <span class="comment"></span>
+<a name="l00058"></a>00058 <span class="comment"> /// }</span>
+<a name="l00059"></a>00059 <span class="comment"></span>
+<a name="l00060"></a>00060 <span class="keyword">public</span>:
+<a name="l00061"></a>00061 MBlazeAsmParser(<a class="code" href="classllvm_1_1MCSubtargetInfo.html">MCSubtargetInfo</a> &_STI, <a class="code" href="classllvm_1_1MCAsmParser.html">MCAsmParser</a> &_Parser)
+<a name="l00062"></a>00062 : <a class="code" href="classllvm_1_1MCTargetAsmParser.html" title="MCTargetAsmParser - Generic interface to target specific assembly parsers.">MCTargetAsmParser</a>(), Parser(_Parser) {}
+<a name="l00063"></a>00063
+<a name="l00064"></a>00064 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> ParseInstruction(<a class="code" href="structllvm_1_1ParseInstructionInfo.html">ParseInstructionInfo</a> &Info, <a class="code" href="classllvm_1_1StringRef.html">StringRef</a> <a class="code" href="namespacellvm_1_1GraphProgram.html#a0ad4685976f8c4d4a697a53fbe05d10b">Name</a>,
+<a name="l00065"></a>00065 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> NameLoc,
+<a name="l00066"></a>00066 <a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<MCParsedAsmOperand*></a> &Operands);
+<a name="l00067"></a>00067
+<a name="l00068"></a>00068 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> ParseDirective(<a class="code" href="classllvm_1_1AsmToken.html" title="AsmToken - Target independent representation for an assembler token.">AsmToken</a> DirectiveID);
+<a name="l00069"></a>00069 };
+<a name="l00070"></a>00070 <span class="comment"></span>
+<a name="l00071"></a>00071 <span class="comment">/// MBlazeOperand - Instances of this class represent a parsed MBlaze machine</span>
+<a name="l00072"></a>00072 <span class="comment">/// instruction.</span>
+<a name="l00073"></a>00073 <span class="comment"></span><span class="keyword">struct </span>MBlazeOperand : <span class="keyword">public</span> <a class="code" href="classllvm_1_1MCParsedAsmOperand.html">MCParsedAsmOperand</a> {
+<a name="l00074"></a>00074 <span class="keyword">enum</span> KindTy {
+<a name="l00075"></a>00075 Token,
+<a name="l00076"></a>00076 Immediate,
+<a name="l00077"></a>00077 <a class="code" href="Mem2Reg_8cpp.html#a6fde3eb6ca09ddf2fd76432176d817bb">Register</a>,
+<a name="l00078"></a>00078 <a class="code" href="classllvm_1_1sys_1_1Memory.html" title="An abstraction for memory operations.">Memory</a>,
+<a name="l00079"></a>00079 Fsl
+<a name="l00080"></a>00080 } <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a>;
+<a name="l00081"></a>00081
+<a name="l00082"></a>00082 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> StartLoc, EndLoc;
+<a name="l00083"></a>00083
+<a name="l00084"></a>00084 <span class="keyword">union </span>{
+<a name="l00085"></a>00085 <span class="keyword">struct </span>{
+<a name="l00086"></a>00086 <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="namespacellvm_1_1object_1_1macho.html#a56678f646a4a478d777eb8821f710db0a557a58f6e018464dcf0635728ef14dd1">Data</a>;
+<a name="l00087"></a>00087 <span class="keywordtype">unsigned</span> Length;
+<a name="l00088"></a>00088 } Tok;
+<a name="l00089"></a>00089
+<a name="l00090"></a>00090 <span class="keyword">struct </span>{
+<a name="l00091"></a>00091 <span class="keywordtype">unsigned</span> RegNum;
+<a name="l00092"></a>00092 } <a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>;
+<a name="l00093"></a>00093
+<a name="l00094"></a>00094 <span class="keyword">struct </span>{
+<a name="l00095"></a>00095 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *Val;
+<a name="l00096"></a>00096 } Imm;
+<a name="l00097"></a>00097
+<a name="l00098"></a>00098 <span class="keyword">struct </span>{
+<a name="l00099"></a>00099 <span class="keywordtype">unsigned</span> Base;
+<a name="l00100"></a>00100 <span class="keywordtype">unsigned</span> OffReg;
+<a name="l00101"></a>00101 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *Off;
+<a name="l00102"></a>00102 } Mem;
+<a name="l00103"></a>00103
+<a name="l00104"></a>00104 <span class="keyword">struct </span>{
+<a name="l00105"></a>00105 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *Val;
+<a name="l00106"></a>00106 } FslImm;
+<a name="l00107"></a>00107 };
+<a name="l00108"></a>00108
+<a name="l00109"></a>00109 MBlazeOperand(KindTy K) : <a class="code" href="classllvm_1_1MCParsedAsmOperand.html">MCParsedAsmOperand</a>(), <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a>(K) {}
+<a name="l00110"></a>00110 <span class="keyword">public</span>:
+<a name="l00111"></a>00111 MBlazeOperand(<span class="keyword">const</span> MBlazeOperand &o) : <a class="code" href="classllvm_1_1MCParsedAsmOperand.html">MCParsedAsmOperand</a>() {
+<a name="l00112"></a>00112 <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> = o.Kind;
+<a name="l00113"></a>00113 StartLoc = o.StartLoc;
+<a name="l00114"></a>00114 EndLoc = o.EndLoc;
+<a name="l00115"></a>00115 <span class="keywordflow">switch</span> (<a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a>) {
+<a name="l00116"></a>00116 <span class="keywordflow">case</span> <a class="code" href="Mem2Reg_8cpp.html#a6fde3eb6ca09ddf2fd76432176d817bb">Register</a>:
+<a name="l00117"></a>00117 <a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a> = o.Reg;
+<a name="l00118"></a>00118 <span class="keywordflow">break</span>;
+<a name="l00119"></a>00119 <span class="keywordflow">case</span> Immediate:
+<a name="l00120"></a>00120 Imm = o.Imm;
+<a name="l00121"></a>00121 <span class="keywordflow">break</span>;
+<a name="l00122"></a>00122 <span class="keywordflow">case</span> Token:
+<a name="l00123"></a>00123 Tok = o.Tok;
+<a name="l00124"></a>00124 <span class="keywordflow">break</span>;
+<a name="l00125"></a>00125 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1sys_1_1Memory.html" title="An abstraction for memory operations.">Memory</a>:
+<a name="l00126"></a>00126 Mem = o.Mem;
+<a name="l00127"></a>00127 <span class="keywordflow">break</span>;
+<a name="l00128"></a>00128 <span class="keywordflow">case</span> Fsl:
+<a name="l00129"></a>00129 FslImm = o.FslImm;
+<a name="l00130"></a>00130 <span class="keywordflow">break</span>;
+<a name="l00131"></a>00131 }
+<a name="l00132"></a>00132 }
+<a name="l00133"></a>00133 <span class="comment"></span>
+<a name="l00134"></a>00134 <span class="comment"> /// getStartLoc - Get the location of the first token of this operand.</span>
+<a name="l00135"></a>00135 <span class="comment"></span> <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> getStartLoc()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> StartLoc; }
+<a name="l00136"></a>00136 <span class="comment"></span>
+<a name="l00137"></a>00137 <span class="comment"> /// getEndLoc - Get the location of the last token of this operand.</span>
+<a name="l00138"></a>00138 <span class="comment"></span> <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> getEndLoc()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> EndLoc; }
+<a name="l00139"></a>00139
+<a name="l00140"></a>00140 <span class="keywordtype">unsigned</span> <a class="code" href="MipsDisassembler_8cpp.html#a30bccd0ebacd9892c243f7bd520e4aa0">getReg</a>()<span class="keyword"> const </span>{
+<a name="l00141"></a>00141 assert(<a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == <a class="code" href="Mem2Reg_8cpp.html#a6fde3eb6ca09ddf2fd76432176d817bb">Register</a> && <span class="stringliteral">"Invalid access!"</span>);
+<a name="l00142"></a>00142 <span class="keywordflow">return</span> <a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a>.RegNum;
+<a name="l00143"></a>00143 }
+<a name="l00144"></a>00144
+<a name="l00145"></a>00145 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *getImm()<span class="keyword"> const </span>{
+<a name="l00146"></a>00146 assert(<a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == Immediate && <span class="stringliteral">"Invalid access!"</span>);
+<a name="l00147"></a>00147 <span class="keywordflow">return</span> Imm.Val;
+<a name="l00148"></a>00148 }
+<a name="l00149"></a>00149
+<a name="l00150"></a>00150 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *getFslImm()<span class="keyword"> const </span>{
+<a name="l00151"></a>00151 assert(<a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == Fsl && <span class="stringliteral">"Invalid access!"</span>);
+<a name="l00152"></a>00152 <span class="keywordflow">return</span> FslImm.Val;
+<a name="l00153"></a>00153 }
+<a name="l00154"></a>00154
+<a name="l00155"></a>00155 <span class="keywordtype">unsigned</span> getMemBase()<span class="keyword"> const </span>{
+<a name="l00156"></a>00156 assert(<a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == <a class="code" href="classllvm_1_1sys_1_1Memory.html" title="An abstraction for memory operations.">Memory</a> && <span class="stringliteral">"Invalid access!"</span>);
+<a name="l00157"></a>00157 <span class="keywordflow">return</span> Mem.Base;
+<a name="l00158"></a>00158 }
+<a name="l00159"></a>00159
+<a name="l00160"></a>00160 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a>* getMemOff()<span class="keyword"> const </span>{
+<a name="l00161"></a>00161 assert(<a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == <a class="code" href="classllvm_1_1sys_1_1Memory.html" title="An abstraction for memory operations.">Memory</a> && <span class="stringliteral">"Invalid access!"</span>);
+<a name="l00162"></a>00162 <span class="keywordflow">return</span> Mem.Off;
+<a name="l00163"></a>00163 }
+<a name="l00164"></a>00164
+<a name="l00165"></a>00165 <span class="keywordtype">unsigned</span> getMemOffReg()<span class="keyword"> const </span>{
+<a name="l00166"></a>00166 assert(<a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == <a class="code" href="classllvm_1_1sys_1_1Memory.html" title="An abstraction for memory operations.">Memory</a> && <span class="stringliteral">"Invalid access!"</span>);
+<a name="l00167"></a>00167 <span class="keywordflow">return</span> Mem.OffReg;
+<a name="l00168"></a>00168 }
+<a name="l00169"></a>00169
+<a name="l00170"></a>00170 <span class="keywordtype">bool</span> isToken()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == Token; }
+<a name="l00171"></a>00171 <span class="keywordtype">bool</span> isImm()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == Immediate; }
+<a name="l00172"></a>00172 <span class="keywordtype">bool</span> <a class="code" href="namespacellvm.html#a4d4191a557764471c0f130506c25e5ef">isMem</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == <a class="code" href="classllvm_1_1sys_1_1Memory.html" title="An abstraction for memory operations.">Memory</a>; }
+<a name="l00173"></a>00173 <span class="keywordtype">bool</span> isFsl()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == Fsl; }
+<a name="l00174"></a>00174 <span class="keywordtype">bool</span> isReg()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == <a class="code" href="Mem2Reg_8cpp.html#a6fde3eb6ca09ddf2fd76432176d817bb">Register</a>; }
+<a name="l00175"></a>00175
+<a name="l00176"></a>00176 <span class="keywordtype">void</span> addExpr(<a class="code" href="classllvm_1_1MCInst.html">MCInst</a> &Inst, <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *Expr)<span class="keyword"> const </span>{
+<a name="l00177"></a>00177 <span class="comment">// Add as immediates when possible. Null MCExpr = 0.</span>
+<a name="l00178"></a>00178 <span class="keywordflow">if</span> (Expr == 0)
+<a name="l00179"></a>00179 Inst.<a class="code" href="classllvm_1_1MCInst.html#af5530910b07aa0c82adbc555dfc04fce">addOperand</a>(<a class="code" href="classllvm_1_1MCOperand.html#ad26f3c85c2f3b28caa4e9a7522e0d7bd">MCOperand::CreateImm</a>(0));
+<a name="l00180"></a>00180 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keyword">const</span> <a class="code" href="classllvm_1_1MCConstantExpr.html">MCConstantExpr</a> *CE = dyn_cast<MCConstantExpr>(Expr))
+<a name="l00181"></a>00181 Inst.<a class="code" href="classllvm_1_1MCInst.html#af5530910b07aa0c82adbc555dfc04fce">addOperand</a>(<a class="code" href="classllvm_1_1MCOperand.html#ad26f3c85c2f3b28caa4e9a7522e0d7bd">MCOperand::CreateImm</a>(CE->getValue()));
+<a name="l00182"></a>00182 <span class="keywordflow">else</span>
+<a name="l00183"></a>00183 Inst.<a class="code" href="classllvm_1_1MCInst.html#af5530910b07aa0c82adbc555dfc04fce">addOperand</a>(<a class="code" href="classllvm_1_1MCOperand.html#a0060e2c8ddfdd637aa85d0eee85902ae">MCOperand::CreateExpr</a>(Expr));
+<a name="l00184"></a>00184 }
+<a name="l00185"></a>00185
+<a name="l00186"></a>00186 <span class="keywordtype">void</span> addRegOperands(<a class="code" href="classllvm_1_1MCInst.html">MCInst</a> &Inst, <span class="keywordtype">unsigned</span> N)<span class="keyword"> const </span>{
+<a name="l00187"></a>00187 assert(N == 1 && <span class="stringliteral">"Invalid number of operands!"</span>);
+<a name="l00188"></a>00188 Inst.<a class="code" href="classllvm_1_1MCInst.html#af5530910b07aa0c82adbc555dfc04fce">addOperand</a>(<a class="code" href="classllvm_1_1MCOperand.html#a53a76cafb36975cd8069ffa73beb86aa">MCOperand::CreateReg</a>(<a class="code" href="MipsDisassembler_8cpp.html#a30bccd0ebacd9892c243f7bd520e4aa0">getReg</a>()));
+<a name="l00189"></a>00189 }
+<a name="l00190"></a>00190
+<a name="l00191"></a>00191 <span class="keywordtype">void</span> addImmOperands(<a class="code" href="classllvm_1_1MCInst.html">MCInst</a> &Inst, <span class="keywordtype">unsigned</span> N)<span class="keyword"> const </span>{
+<a name="l00192"></a>00192 assert(N == 1 && <span class="stringliteral">"Invalid number of operands!"</span>);
+<a name="l00193"></a>00193 addExpr(Inst, getImm());
+<a name="l00194"></a>00194 }
+<a name="l00195"></a>00195
+<a name="l00196"></a>00196 <span class="keywordtype">void</span> addFslOperands(<a class="code" href="classllvm_1_1MCInst.html">MCInst</a> &Inst, <span class="keywordtype">unsigned</span> N)<span class="keyword"> const </span>{
+<a name="l00197"></a>00197 assert(N == 1 && <span class="stringliteral">"Invalid number of operands!"</span>);
+<a name="l00198"></a>00198 addExpr(Inst, getFslImm());
+<a name="l00199"></a>00199 }
+<a name="l00200"></a>00200
+<a name="l00201"></a>00201 <span class="keywordtype">void</span> addMemOperands(<a class="code" href="classllvm_1_1MCInst.html">MCInst</a> &Inst, <span class="keywordtype">unsigned</span> N)<span class="keyword"> const </span>{
+<a name="l00202"></a>00202 assert(N == 2 && <span class="stringliteral">"Invalid number of operands!"</span>);
+<a name="l00203"></a>00203
+<a name="l00204"></a>00204 Inst.<a class="code" href="classllvm_1_1MCInst.html#af5530910b07aa0c82adbc555dfc04fce">addOperand</a>(<a class="code" href="classllvm_1_1MCOperand.html#a53a76cafb36975cd8069ffa73beb86aa">MCOperand::CreateReg</a>(getMemBase()));
+<a name="l00205"></a>00205
+<a name="l00206"></a>00206 <span class="keywordtype">unsigned</span> RegOff = getMemOffReg();
+<a name="l00207"></a>00207 <span class="keywordflow">if</span> (RegOff)
+<a name="l00208"></a>00208 Inst.<a class="code" href="classllvm_1_1MCInst.html#af5530910b07aa0c82adbc555dfc04fce">addOperand</a>(<a class="code" href="classllvm_1_1MCOperand.html#a53a76cafb36975cd8069ffa73beb86aa">MCOperand::CreateReg</a>(RegOff));
+<a name="l00209"></a>00209 <span class="keywordflow">else</span>
+<a name="l00210"></a>00210 addExpr(Inst, getMemOff());
+<a name="l00211"></a>00211 }
+<a name="l00212"></a>00212
+<a name="l00213"></a>00213 <a class="code" href="classllvm_1_1StringRef.html">StringRef</a> <a class="code" href="namespacellvm.html#a20237283e8b9e354abec8dc5ab16bd16">getToken</a>()<span class="keyword"> const </span>{
+<a name="l00214"></a>00214 assert(<a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a> == Token && <span class="stringliteral">"Invalid access!"</span>);
+<a name="l00215"></a>00215 <span class="keywordflow">return</span> <a class="code" href="classllvm_1_1StringRef.html">StringRef</a>(Tok.Data, Tok.Length);
+<a name="l00216"></a>00216 }
+<a name="l00217"></a>00217
+<a name="l00218"></a>00218 <span class="keyword">virtual</span> <span class="keywordtype">void</span> print(<a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &OS) <span class="keyword">const</span>;
+<a name="l00219"></a>00219
+<a name="l00220"></a>00220 <span class="keyword">static</span> MBlazeOperand *CreateToken(<a class="code" href="classllvm_1_1StringRef.html">StringRef</a> Str, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> S) {
+<a name="l00221"></a>00221 MBlazeOperand *Op = <span class="keyword">new</span> MBlazeOperand(Token);
+<a name="l00222"></a>00222 Op->Tok.Data = Str.<a class="code" href="classllvm_1_1StringRef.html#a7d9b88d042ae1da8afd5509875c90a04">data</a>();
+<a name="l00223"></a>00223 Op->Tok.Length = Str.<a class="code" href="classllvm_1_1StringRef.html#af68d5ebdb576d7481ea2766151b875d4" title="size - Get the string size.">size</a>();
+<a name="l00224"></a>00224 Op->StartLoc = S;
+<a name="l00225"></a>00225 Op->EndLoc = S;
+<a name="l00226"></a>00226 <span class="keywordflow">return</span> Op;
+<a name="l00227"></a>00227 }
+<a name="l00228"></a>00228
+<a name="l00229"></a>00229 <span class="keyword">static</span> MBlazeOperand *CreateReg(<span class="keywordtype">unsigned</span> RegNum, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> S, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> E) {
+<a name="l00230"></a>00230 MBlazeOperand *Op = <span class="keyword">new</span> MBlazeOperand(<a class="code" href="Mem2Reg_8cpp.html#a6fde3eb6ca09ddf2fd76432176d817bb">Register</a>);
+<a name="l00231"></a>00231 Op->Reg.RegNum = RegNum;
+<a name="l00232"></a>00232 Op->StartLoc = S;
+<a name="l00233"></a>00233 Op->EndLoc = E;
+<a name="l00234"></a>00234 <span class="keywordflow">return</span> Op;
+<a name="l00235"></a>00235 }
+<a name="l00236"></a>00236
+<a name="l00237"></a>00237 <span class="keyword">static</span> MBlazeOperand *CreateImm(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *Val, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> S, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> E) {
+<a name="l00238"></a>00238 MBlazeOperand *Op = <span class="keyword">new</span> MBlazeOperand(Immediate);
+<a name="l00239"></a>00239 Op->Imm.Val = Val;
+<a name="l00240"></a>00240 Op->StartLoc = S;
+<a name="l00241"></a>00241 Op->EndLoc = E;
+<a name="l00242"></a>00242 <span class="keywordflow">return</span> Op;
+<a name="l00243"></a>00243 }
+<a name="l00244"></a>00244
+<a name="l00245"></a>00245 <span class="keyword">static</span> MBlazeOperand *CreateFslImm(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *Val, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> S, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> E) {
+<a name="l00246"></a>00246 MBlazeOperand *Op = <span class="keyword">new</span> MBlazeOperand(Fsl);
+<a name="l00247"></a>00247 Op->Imm.Val = Val;
+<a name="l00248"></a>00248 Op->StartLoc = S;
+<a name="l00249"></a>00249 Op->EndLoc = E;
+<a name="l00250"></a>00250 <span class="keywordflow">return</span> Op;
+<a name="l00251"></a>00251 }
+<a name="l00252"></a>00252
+<a name="l00253"></a>00253 <span class="keyword">static</span> MBlazeOperand *CreateMem(<span class="keywordtype">unsigned</span> Base, <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *Off, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> S,
+<a name="l00254"></a>00254 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> E) {
+<a name="l00255"></a>00255 MBlazeOperand *Op = <span class="keyword">new</span> MBlazeOperand(<a class="code" href="classllvm_1_1sys_1_1Memory.html" title="An abstraction for memory operations.">Memory</a>);
+<a name="l00256"></a>00256 Op->Mem.Base = Base;
+<a name="l00257"></a>00257 Op->Mem.Off = Off;
+<a name="l00258"></a>00258 Op->Mem.OffReg = 0;
+<a name="l00259"></a>00259 Op->StartLoc = S;
+<a name="l00260"></a>00260 Op->EndLoc = E;
+<a name="l00261"></a>00261 <span class="keywordflow">return</span> Op;
+<a name="l00262"></a>00262 }
+<a name="l00263"></a>00263
+<a name="l00264"></a>00264 <span class="keyword">static</span> MBlazeOperand *CreateMem(<span class="keywordtype">unsigned</span> Base, <span class="keywordtype">unsigned</span> Off, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> S,
+<a name="l00265"></a>00265 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> E) {
+<a name="l00266"></a>00266 MBlazeOperand *Op = <span class="keyword">new</span> MBlazeOperand(<a class="code" href="classllvm_1_1sys_1_1Memory.html" title="An abstraction for memory operations.">Memory</a>);
+<a name="l00267"></a>00267 Op->Mem.Base = Base;
+<a name="l00268"></a>00268 Op->Mem.OffReg = Off;
+<a name="l00269"></a>00269 Op->Mem.Off = 0;
+<a name="l00270"></a>00270 Op->StartLoc = S;
+<a name="l00271"></a>00271 Op->EndLoc = E;
+<a name="l00272"></a>00272 <span class="keywordflow">return</span> Op;
+<a name="l00273"></a>00273 }
+<a name="l00274"></a>00274 };
+<a name="l00275"></a>00275
+<a name="l00276"></a>00276 } <span class="comment">// end anonymous namespace.</span>
+<a name="l00277"></a>00277
+<a name="l00278"></a>00278 <span class="keywordtype">void</span> MBlazeOperand::print(<a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &OS)<span class="keyword"> const </span>{
+<a name="l00279"></a>00279 <span class="keywordflow">switch</span> (<a class="code" href="namespacellvm_1_1EngineKind.html#a9df47239a42cd9621ac26d9ecbd57441">Kind</a>) {
+<a name="l00280"></a>00280 <span class="keywordflow">case</span> Immediate:
+<a name="l00281"></a>00281 getImm()->print(OS);
+<a name="l00282"></a>00282 <span class="keywordflow">break</span>;
+<a name="l00283"></a>00283 <span class="keywordflow">case</span> <a class="code" href="Mem2Reg_8cpp.html#a6fde3eb6ca09ddf2fd76432176d817bb">Register</a>:
+<a name="l00284"></a>00284 OS << <span class="stringliteral">"<register R"</span>;
+<a name="l00285"></a>00285 OS << <a class="code" href="namespacellvm.html#ab4fc31dd5f625f7f15770507c9b36aa1">getMBlazeRegisterNumbering</a>(<a class="code" href="MipsDisassembler_8cpp.html#a30bccd0ebacd9892c243f7bd520e4aa0">getReg</a>()) << <span class="stringliteral">">"</span>;
+<a name="l00286"></a>00286 <span class="keywordflow">break</span>;
+<a name="l00287"></a>00287 <span class="keywordflow">case</span> Token:
+<a name="l00288"></a>00288 OS << <span class="stringliteral">"'"</span> << <a class="code" href="namespacellvm.html#a20237283e8b9e354abec8dc5ab16bd16">getToken</a>() << <span class="stringliteral">"'"</span>;
+<a name="l00289"></a>00289 <span class="keywordflow">break</span>;
+<a name="l00290"></a>00290 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1sys_1_1Memory.html" title="An abstraction for memory operations.">Memory</a>: {
+<a name="l00291"></a>00291 OS << <span class="stringliteral">"<memory R"</span>;
+<a name="l00292"></a>00292 OS << <a class="code" href="namespacellvm.html#ab4fc31dd5f625f7f15770507c9b36aa1">getMBlazeRegisterNumbering</a>(getMemBase());
+<a name="l00293"></a>00293 OS << <span class="stringliteral">", "</span>;
+<a name="l00294"></a>00294
+<a name="l00295"></a>00295 <span class="keywordtype">unsigned</span> RegOff = getMemOffReg();
+<a name="l00296"></a>00296 <span class="keywordflow">if</span> (RegOff)
+<a name="l00297"></a>00297 OS << <span class="stringliteral">"R"</span> << <a class="code" href="namespacellvm.html#ab4fc31dd5f625f7f15770507c9b36aa1">getMBlazeRegisterNumbering</a>(RegOff);
+<a name="l00298"></a>00298 <span class="keywordflow">else</span>
+<a name="l00299"></a>00299 OS << getMemOff();
+<a name="l00300"></a>00300 OS << <span class="stringliteral">">"</span>;
+<a name="l00301"></a>00301 }
+<a name="l00302"></a>00302 <span class="keywordflow">break</span>;
+<a name="l00303"></a>00303 <span class="keywordflow">case</span> Fsl:
+<a name="l00304"></a>00304 getFslImm()->print(OS);
+<a name="l00305"></a>00305 <span class="keywordflow">break</span>;
+<a name="l00306"></a>00306 }
+<a name="l00307"></a>00307 }
+<a name="l00308"></a>00308 <span class="comment"></span>
+<a name="l00309"></a>00309 <span class="comment">/// @name Auto-generated Match Functions</span>
+<a name="l00310"></a>00310 <span class="comment">/// {</span>
+<a name="l00311"></a>00311 <span class="comment"></span>
+<a name="l00312"></a>00312 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <a class="code" href="MBlazeAsmParser_8cpp.html#ab163bd42e90805aad69407416086a7d6">MatchRegisterName</a>(<a class="code" href="classllvm_1_1StringRef.html">StringRef</a> <a class="code" href="namespacellvm_1_1GraphProgram.html#a0ad4685976f8c4d4a697a53fbe05d10b">Name</a>);
+<a name="l00313"></a>00313 <span class="comment"></span>
+<a name="l00314"></a>00314 <span class="comment">/// }</span>
+<a name="l00315"></a>00315 <span class="comment"></span><span class="comment">//</span>
+<a name="l00316"></a>00316 <span class="keywordtype">bool</span> MBlazeAsmParser::
+<a name="l00317"></a>00317 MatchAndEmitInstruction(<a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> IDLoc, <span class="keywordtype">unsigned</span> &Opcode,
+<a name="l00318"></a>00318 <a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<MCParsedAsmOperand*></a> &Operands,
+<a name="l00319"></a>00319 <a class="code" href="classllvm_1_1MCStreamer.html">MCStreamer</a> &Out, <span class="keywordtype">unsigned</span> &ErrorInfo,
+<a name="l00320"></a>00320 <span class="keywordtype">bool</span> MatchingInlineAsm) {
+<a name="l00321"></a>00321 <a class="code" href="classllvm_1_1MCInst.html">MCInst</a> Inst;
+<a name="l00322"></a>00322 <span class="keywordflow">switch</span> (MatchInstructionImpl(Operands, Inst, ErrorInfo,
+<a name="l00323"></a>00323 MatchingInlineAsm)) {
+<a name="l00324"></a>00324 <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;
+<a name="l00325"></a>00325 <span class="keywordflow">case</span> Match_Success:
+<a name="l00326"></a>00326 Out.<a class="code" href="classllvm_1_1MCStreamer.html#a39c81efad95bc4fe5bd5b343de2b3287">EmitInstruction</a>(Inst);
+<a name="l00327"></a>00327 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00328"></a>00328 <span class="keywordflow">case</span> Match_MissingFeature:
+<a name="l00329"></a>00329 <span class="keywordflow">return</span> <a class="code" href="namespacellvm_1_1lltok.html#af353621f14cb4b4b3af5ffaff84076b1a3766a4dce43f4efc7208a749cc7ac605">Error</a>(IDLoc, <span class="stringliteral">"instruction use requires an option to be enabled"</span>);
+<a name="l00330"></a>00330 <span class="keywordflow">case</span> Match_MnemonicFail:
+<a name="l00331"></a>00331 <span class="keywordflow">return</span> <a class="code" href="namespacellvm_1_1lltok.html#af353621f14cb4b4b3af5ffaff84076b1a3766a4dce43f4efc7208a749cc7ac605">Error</a>(IDLoc, <span class="stringliteral">"unrecognized instruction mnemonic"</span>);
+<a name="l00332"></a>00332 <span class="keywordflow">case</span> Match_InvalidOperand: {
+<a name="l00333"></a>00333 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> ErrorLoc = IDLoc;
+<a name="l00334"></a>00334 <span class="keywordflow">if</span> (ErrorInfo != ~0U) {
+<a name="l00335"></a>00335 <span class="keywordflow">if</span> (ErrorInfo >= Operands.<a class="code" href="classllvm_1_1SmallVectorTemplateCommon.html#a22a311dfe4c28a897de8a9365a4f0a84">size</a>())
+<a name="l00336"></a>00336 <span class="keywordflow">return</span> <a class="code" href="namespacellvm_1_1lltok.html#af353621f14cb4b4b3af5ffaff84076b1a3766a4dce43f4efc7208a749cc7ac605">Error</a>(IDLoc, <span class="stringliteral">"too few operands for instruction"</span>);
+<a name="l00337"></a>00337
+<a name="l00338"></a>00338 ErrorLoc = ((MBlazeOperand*)Operands[ErrorInfo])->getStartLoc();
+<a name="l00339"></a>00339 <span class="keywordflow">if</span> (ErrorLoc == <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a>()) ErrorLoc = IDLoc;
+<a name="l00340"></a>00340 }
+<a name="l00341"></a>00341
+<a name="l00342"></a>00342 <span class="keywordflow">return</span> <a class="code" href="namespacellvm_1_1lltok.html#af353621f14cb4b4b3af5ffaff84076b1a3766a4dce43f4efc7208a749cc7ac605">Error</a>(ErrorLoc, <span class="stringliteral">"invalid operand for instruction"</span>);
+<a name="l00343"></a>00343 }
+<a name="l00344"></a>00344 }
+<a name="l00345"></a>00345
+<a name="l00346"></a>00346 <a class="code" href="ErrorHandling_8h.html#ace243f5c25697a1107cce46626b3dc94">llvm_unreachable</a>(<span class="stringliteral">"Implement any new match types added!"</span>);
+<a name="l00347"></a>00347 }
+<a name="l00348"></a>00348
+<a name="l00349"></a>00349 MBlazeOperand *MBlazeAsmParser::
+<a name="l00350"></a>00350 ParseMemory(<a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<MCParsedAsmOperand*></a> &Operands) {
+<a name="l00351"></a>00351 <span class="keywordflow">if</span> (Operands.<a class="code" href="classllvm_1_1SmallVectorTemplateCommon.html#a22a311dfe4c28a897de8a9365a4f0a84">size</a>() != 4)
+<a name="l00352"></a>00352 <span class="keywordflow">return</span> 0;
+<a name="l00353"></a>00353
+<a name="l00354"></a>00354 MBlazeOperand &Base = *(MBlazeOperand*)Operands[2];
+<a name="l00355"></a>00355 MBlazeOperand &Offset = *(MBlazeOperand*)Operands[3];
+<a name="l00356"></a>00356
+<a name="l00357"></a>00357 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> S = Base.getStartLoc();
+<a name="l00358"></a>00358 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> O = Offset.getStartLoc();
+<a name="l00359"></a>00359 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> E = Offset.getEndLoc();
+<a name="l00360"></a>00360
+<a name="l00361"></a>00361 <span class="keywordflow">if</span> (!Base.isReg()) {
+<a name="l00362"></a>00362 <a class="code" href="namespacellvm_1_1lltok.html#af353621f14cb4b4b3af5ffaff84076b1a3766a4dce43f4efc7208a749cc7ac605">Error</a>(S, <span class="stringliteral">"base address must be a register"</span>);
+<a name="l00363"></a>00363 <span class="keywordflow">return</span> 0;
+<a name="l00364"></a>00364 }
+<a name="l00365"></a>00365
+<a name="l00366"></a>00366 <span class="keywordflow">if</span> (!Offset.isReg() && !Offset.isImm()) {
+<a name="l00367"></a>00367 <a class="code" href="namespacellvm_1_1lltok.html#af353621f14cb4b4b3af5ffaff84076b1a3766a4dce43f4efc7208a749cc7ac605">Error</a>(O, <span class="stringliteral">"offset must be a register or immediate"</span>);
+<a name="l00368"></a>00368 <span class="keywordflow">return</span> 0;
+<a name="l00369"></a>00369 }
+<a name="l00370"></a>00370
+<a name="l00371"></a>00371 MBlazeOperand *Op;
+<a name="l00372"></a>00372 <span class="keywordflow">if</span> (Offset.isReg())
+<a name="l00373"></a>00373 Op = MBlazeOperand::CreateMem(Base.getReg(), Offset.getReg(), S, E);
+<a name="l00374"></a>00374 <span class="keywordflow">else</span>
+<a name="l00375"></a>00375 Op = MBlazeOperand::CreateMem(Base.getReg(), Offset.getImm(), S, E);
+<a name="l00376"></a>00376
+<a name="l00377"></a>00377 <span class="keyword">delete</span> Operands.<a class="code" href="classllvm_1_1SmallVectorImpl.html#a0c8ffe664a36e30d49c84d0aded2fe08">pop_back_val</a>();
+<a name="l00378"></a>00378 <span class="keyword">delete</span> Operands.<a class="code" href="classllvm_1_1SmallVectorImpl.html#a0c8ffe664a36e30d49c84d0aded2fe08">pop_back_val</a>();
+<a name="l00379"></a>00379 Operands.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(Op);
+<a name="l00380"></a>00380
+<a name="l00381"></a>00381 <span class="keywordflow">return</span> Op;
+<a name="l00382"></a>00382 }
+<a name="l00383"></a>00383
+<a name="l00384"></a>00384 <span class="keywordtype">bool</span> MBlazeAsmParser::ParseRegister(<span class="keywordtype">unsigned</span> &RegNo,
+<a name="l00385"></a>00385 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> &StartLoc, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> &EndLoc) {
+<a name="l00386"></a>00386 <span class="keywordflow">return</span> (ParseRegister(RegNo) == 0);
+<a name="l00387"></a>00387 }
+<a name="l00388"></a>00388
+<a name="l00389"></a>00389 MBlazeOperand *MBlazeAsmParser::ParseRegister(<span class="keywordtype">unsigned</span> &RegNo) {
+<a name="l00390"></a>00390 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> S = Parser.getTok().getLoc();
+<a name="l00391"></a>00391 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> E = <a class="code" href="classllvm_1_1SMLoc.html#a16ebb09610e55f63cfc55f28e3a56ad5">SMLoc::getFromPointer</a>(Parser.getTok().getLoc().getPointer() - 1);
+<a name="l00392"></a>00392
+<a name="l00393"></a>00393 <span class="keywordflow">switch</span> (getLexer().getKind()) {
+<a name="l00394"></a>00394 <span class="keywordflow">default</span>: <span class="keywordflow">return</span> 0;
+<a name="l00395"></a>00395 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039a806fe218bb80f0671afdad4cec36569b">AsmToken::Identifier</a>:
+<a name="l00396"></a>00396 RegNo = <a class="code" href="MBlazeAsmParser_8cpp.html#ab163bd42e90805aad69407416086a7d6">MatchRegisterName</a>(getLexer().getTok().getIdentifier());
+<a name="l00397"></a>00397 <span class="keywordflow">if</span> (RegNo == 0)
+<a name="l00398"></a>00398 <span class="keywordflow">return</span> 0;
+<a name="l00399"></a>00399
+<a name="l00400"></a>00400 getLexer().Lex();
+<a name="l00401"></a>00401 <span class="keywordflow">return</span> MBlazeOperand::CreateReg(RegNo, S, E);
+<a name="l00402"></a>00402 }
+<a name="l00403"></a>00403 }
+<a name="l00404"></a>00404
+<a name="l00405"></a><a class="code" href="MBlazeAsmParser_8cpp.html#a3b26c42242ee6a552472d9fea7bd844b">00405</a> <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <a class="code" href="MBlazeAsmParser_8cpp.html#a3b26c42242ee6a552472d9fea7bd844b">MatchFslRegister</a>(<a class="code" href="classllvm_1_1StringRef.html">StringRef</a> <a class="code" href="namespacellvm_1_1tgtok.html#abbc5259d649363016626e2529fabe0c5a394bf05139245f8e3ee22865dc9c1caf">String</a>) {
+<a name="l00406"></a>00406 <span class="keywordflow">if</span> (!String.<a class="code" href="classllvm_1_1StringRef.html#a1a7bc4930b0396a67c30081f7cb30542" title="Check if this string starts with the given Prefix.">startswith</a>(<span class="stringliteral">"rfsl"</span>))
+<a name="l00407"></a>00407 <span class="keywordflow">return</span> -1;
+<a name="l00408"></a>00408
+<a name="l00409"></a>00409 <span class="keywordtype">unsigned</span> regNum;
+<a name="l00410"></a>00410 <span class="keywordflow">if</span> (String.<a class="code" href="classllvm_1_1StringRef.html#a3d0712956e53687d1894ba17b84aeffa">substr</a>(4).<a class="code" href="classllvm_1_1StringRef.html#adabdc95b17da88a726555e8718151ac8">getAsInteger</a>(10,regNum))
+<a name="l00411"></a>00411 <span class="keywordflow">return</span> -1;
+<a name="l00412"></a>00412
+<a name="l00413"></a>00413 <span class="keywordflow">return</span> regNum;
+<a name="l00414"></a>00414 }
+<a name="l00415"></a>00415
+<a name="l00416"></a>00416 MBlazeOperand *MBlazeAsmParser::ParseFsl() {
+<a name="l00417"></a>00417 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> S = Parser.getTok().getLoc();
+<a name="l00418"></a>00418 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> E = <a class="code" href="classllvm_1_1SMLoc.html#a16ebb09610e55f63cfc55f28e3a56ad5">SMLoc::getFromPointer</a>(Parser.getTok().getLoc().getPointer() - 1);
+<a name="l00419"></a>00419
+<a name="l00420"></a>00420 <span class="keywordflow">switch</span> (getLexer().getKind()) {
+<a name="l00421"></a>00421 <span class="keywordflow">default</span>: <span class="keywordflow">return</span> 0;
+<a name="l00422"></a>00422 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039a806fe218bb80f0671afdad4cec36569b">AsmToken::Identifier</a>:
+<a name="l00423"></a>00423 <span class="keywordtype">unsigned</span> reg = <a class="code" href="MBlazeAsmParser_8cpp.html#a3b26c42242ee6a552472d9fea7bd844b">MatchFslRegister</a>(getLexer().getTok().getIdentifier());
+<a name="l00424"></a>00424 <span class="keywordflow">if</span> (reg >= 16)
+<a name="l00425"></a>00425 <span class="keywordflow">return</span> 0;
+<a name="l00426"></a>00426
+<a name="l00427"></a>00427 getLexer().Lex();
+<a name="l00428"></a>00428 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *EVal = <a class="code" href="classllvm_1_1MCConstantExpr.html#af86fe36eb5cf1cc8470095145e2bbfd2">MCConstantExpr::Create</a>(reg,getContext());
+<a name="l00429"></a>00429 <span class="keywordflow">return</span> MBlazeOperand::CreateFslImm(EVal,S,E);
+<a name="l00430"></a>00430 }
+<a name="l00431"></a>00431 }
+<a name="l00432"></a>00432
+<a name="l00433"></a>00433 MBlazeOperand *MBlazeAsmParser::ParseImmediate() {
+<a name="l00434"></a>00434 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> S = Parser.getTok().getLoc();
+<a name="l00435"></a>00435 <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> E = <a class="code" href="classllvm_1_1SMLoc.html#a16ebb09610e55f63cfc55f28e3a56ad5">SMLoc::getFromPointer</a>(Parser.getTok().getLoc().getPointer() - 1);
+<a name="l00436"></a>00436
+<a name="l00437"></a>00437 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *EVal;
+<a name="l00438"></a>00438 <span class="keywordflow">switch</span> (getLexer().getKind()) {
+<a name="l00439"></a>00439 <span class="keywordflow">default</span>: <span class="keywordflow">return</span> 0;
+<a name="l00440"></a>00440 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039a85fc8bab3d6f4fa71b0d876dd9a96e1a">AsmToken::LParen</a>:
+<a name="l00441"></a>00441 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039ac97d79769cee46bf3915460c278d5de6">AsmToken::Plus</a>:
+<a name="l00442"></a>00442 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039a1189cff13fec34dee4d501f4d7a7e3a2">AsmToken::Minus</a>:
+<a name="l00443"></a>00443 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039a2369278b71442a32bd6a7f6a6f411033">AsmToken::Integer</a>:
+<a name="l00444"></a>00444 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039a806fe218bb80f0671afdad4cec36569b">AsmToken::Identifier</a>:
+<a name="l00445"></a>00445 <span class="keywordflow">if</span> (getParser().ParseExpression(EVal))
+<a name="l00446"></a>00446 <span class="keywordflow">return</span> 0;
+<a name="l00447"></a>00447
+<a name="l00448"></a>00448 <span class="keywordflow">return</span> MBlazeOperand::CreateImm(EVal, S, E);
+<a name="l00449"></a>00449 }
+<a name="l00450"></a>00450 }
+<a name="l00451"></a>00451
+<a name="l00452"></a>00452 MBlazeOperand *MBlazeAsmParser::
+<a name="l00453"></a>00453 ParseOperand(<a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<MCParsedAsmOperand*></a> &Operands) {
+<a name="l00454"></a>00454 MBlazeOperand *Op;
+<a name="l00455"></a>00455
+<a name="l00456"></a>00456 <span class="comment">// Attempt to parse the next token as a register name</span>
+<a name="l00457"></a>00457 <span class="keywordtype">unsigned</span> RegNo;
+<a name="l00458"></a>00458 Op = ParseRegister(RegNo);
+<a name="l00459"></a>00459
+<a name="l00460"></a>00460 <span class="comment">// Attempt to parse the next token as an FSL immediate</span>
+<a name="l00461"></a>00461 <span class="keywordflow">if</span> (!Op)
+<a name="l00462"></a>00462 Op = ParseFsl();
+<a name="l00463"></a>00463
+<a name="l00464"></a>00464 <span class="comment">// Attempt to parse the next token as an immediate</span>
+<a name="l00465"></a>00465 <span class="keywordflow">if</span> (!Op)
+<a name="l00466"></a>00466 Op = ParseImmediate();
+<a name="l00467"></a>00467
+<a name="l00468"></a>00468 <span class="comment">// If the token could not be parsed then fail</span>
+<a name="l00469"></a>00469 <span class="keywordflow">if</span> (!Op) {
+<a name="l00470"></a>00470 <a class="code" href="namespacellvm_1_1lltok.html#af353621f14cb4b4b3af5ffaff84076b1a3766a4dce43f4efc7208a749cc7ac605">Error</a>(Parser.getTok().getLoc(), <span class="stringliteral">"unknown operand"</span>);
+<a name="l00471"></a>00471 <span class="keywordflow">return</span> 0;
+<a name="l00472"></a>00472 }
+<a name="l00473"></a>00473
+<a name="l00474"></a>00474 <span class="comment">// Push the parsed operand into the list of operands</span>
+<a name="l00475"></a>00475 Operands.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(Op);
+<a name="l00476"></a>00476 <span class="keywordflow">return</span> Op;
+<a name="l00477"></a>00477 }
+<a name="l00478"></a>00478 <span class="comment"></span>
+<a name="l00479"></a>00479 <span class="comment">/// Parse an mblaze instruction mnemonic followed by its operands.</span>
+<a name="l00480"></a>00480 <span class="comment"></span><span class="keywordtype">bool</span> MBlazeAsmParser::
+<a name="l00481"></a>00481 ParseInstruction(<a class="code" href="structllvm_1_1ParseInstructionInfo.html">ParseInstructionInfo</a> &Info, <a class="code" href="classllvm_1_1StringRef.html">StringRef</a> <a class="code" href="namespacellvm_1_1GraphProgram.html#a0ad4685976f8c4d4a697a53fbe05d10b">Name</a>, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> NameLoc,
+<a name="l00482"></a>00482 <a class="code" href="classllvm_1_1SmallVectorImpl.html">SmallVectorImpl<MCParsedAsmOperand*></a> &Operands) {
+<a name="l00483"></a>00483 <span class="comment">// The first operands is the token for the instruction name</span>
+<a name="l00484"></a>00484 <span class="keywordtype">size_t</span> dotLoc = Name.<a class="code" href="classllvm_1_1StringRef.html#a421e16456fe6d7b71fb4af736194165c">find</a>(<span class="charliteral">'.'</span>);
+<a name="l00485"></a>00485 Operands.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(MBlazeOperand::CreateToken(Name.<a class="code" href="classllvm_1_1StringRef.html#a3d0712956e53687d1894ba17b84aeffa">substr</a>(0,dotLoc),NameLoc));
+<a name="l00486"></a>00486 <span class="keywordflow">if</span> (dotLoc < Name.<a class="code" href="classllvm_1_1StringRef.html#af68d5ebdb576d7481ea2766151b875d4" title="size - Get the string size.">size</a>())
+<a name="l00487"></a>00487 Operands.<a class="code" href="classllvm_1_1SmallVectorTemplateBase.html#ae1a10b90f22c0478960fb5798ff73916">push_back</a>(MBlazeOperand::CreateToken(Name.<a class="code" href="classllvm_1_1StringRef.html#a3d0712956e53687d1894ba17b84aeffa">substr</a>(dotLoc),NameLoc));
+<a name="l00488"></a>00488
+<a name="l00489"></a>00489 <span class="comment">// If there are no more operands then finish</span>
+<a name="l00490"></a>00490 <span class="keywordflow">if</span> (getLexer().is(<a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039ae10c5f59f330bfd15608e1dda213a98f">AsmToken::EndOfStatement</a>))
+<a name="l00491"></a>00491 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00492"></a>00492
+<a name="l00493"></a>00493 <span class="comment">// Parse the first operand</span>
+<a name="l00494"></a>00494 <span class="keywordflow">if</span> (!ParseOperand(Operands))
+<a name="l00495"></a>00495 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00496"></a>00496
+<a name="l00497"></a>00497 <span class="keywordflow">while</span> (getLexer().isNot(<a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039ae10c5f59f330bfd15608e1dda213a98f">AsmToken::EndOfStatement</a>) &&
+<a name="l00498"></a>00498 getLexer().is(<a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039ac4b2675d2cb80935b789d9f140092e25">AsmToken::Comma</a>)) {
+<a name="l00499"></a>00499 <span class="comment">// Consume the comma token</span>
+<a name="l00500"></a>00500 getLexer().Lex();
+<a name="l00501"></a>00501
+<a name="l00502"></a>00502 <span class="comment">// Parse the next operand</span>
+<a name="l00503"></a>00503 <span class="keywordflow">if</span> (!ParseOperand(Operands))
+<a name="l00504"></a>00504 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00505"></a>00505 }
+<a name="l00506"></a>00506
+<a name="l00507"></a>00507 <span class="comment">// If the instruction requires a memory operand then we need to</span>
+<a name="l00508"></a>00508 <span class="comment">// replace the last two operands (base+offset) with a single</span>
+<a name="l00509"></a>00509 <span class="comment">// memory operand.</span>
+<a name="l00510"></a>00510 <span class="keywordflow">if</span> (Name.<a class="code" href="classllvm_1_1StringRef.html#a1a7bc4930b0396a67c30081f7cb30542" title="Check if this string starts with the given Prefix.">startswith</a>(<span class="stringliteral">"lw"</span>) || Name.<a class="code" href="classllvm_1_1StringRef.html#a1a7bc4930b0396a67c30081f7cb30542" title="Check if this string starts with the given Prefix.">startswith</a>(<span class="stringliteral">"sw"</span>) ||
+<a name="l00511"></a>00511 Name.<a class="code" href="classllvm_1_1StringRef.html#a1a7bc4930b0396a67c30081f7cb30542" title="Check if this string starts with the given Prefix.">startswith</a>(<span class="stringliteral">"lh"</span>) || Name.<a class="code" href="classllvm_1_1StringRef.html#a1a7bc4930b0396a67c30081f7cb30542" title="Check if this string starts with the given Prefix.">startswith</a>(<span class="stringliteral">"sh"</span>) ||
+<a name="l00512"></a>00512 Name.<a class="code" href="classllvm_1_1StringRef.html#a1a7bc4930b0396a67c30081f7cb30542" title="Check if this string starts with the given Prefix.">startswith</a>(<span class="stringliteral">"lb"</span>) || Name.<a class="code" href="classllvm_1_1StringRef.html#a1a7bc4930b0396a67c30081f7cb30542" title="Check if this string starts with the given Prefix.">startswith</a>(<span class="stringliteral">"sb"</span>))
+<a name="l00513"></a>00513 <span class="keywordflow">return</span> (ParseMemory(Operands) == NULL);
+<a name="l00514"></a>00514
+<a name="l00515"></a>00515 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00516"></a>00516 }
+<a name="l00517"></a>00517 <span class="comment"></span>
+<a name="l00518"></a>00518 <span class="comment">/// ParseDirective parses the MBlaze specific directives</span>
+<a name="l00519"></a>00519 <span class="comment"></span><span class="keywordtype">bool</span> MBlazeAsmParser::ParseDirective(<a class="code" href="classllvm_1_1AsmToken.html" title="AsmToken - Target independent representation for an assembler token.">AsmToken</a> DirectiveID) {
+<a name="l00520"></a>00520 <a class="code" href="classllvm_1_1StringRef.html">StringRef</a> IDVal = DirectiveID.<a class="code" href="classllvm_1_1AsmToken.html#a25860c6ffc7116937ab327771c3dd08f">getIdentifier</a>();
+<a name="l00521"></a>00521 <span class="keywordflow">if</span> (IDVal == <span class="stringliteral">".word"</span>)
+<a name="l00522"></a>00522 <span class="keywordflow">return</span> ParseDirectiveWord(2, DirectiveID.<a class="code" href="classllvm_1_1AsmToken.html#add7f9405ba7ad0891528a4cf5f47f45e">getLoc</a>());
+<a name="l00523"></a>00523 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00524"></a>00524 }
+<a name="l00525"></a>00525 <span class="comment"></span>
+<a name="l00526"></a>00526 <span class="comment">/// ParseDirectiveWord</span>
+<a name="l00527"></a>00527 <span class="comment">/// ::= .word [ expression (, expression)* ]</span>
+<a name="l00528"></a>00528 <span class="comment"></span><span class="keywordtype">bool</span> MBlazeAsmParser::ParseDirectiveWord(<span class="keywordtype">unsigned</span> Size, <a class="code" href="classllvm_1_1SMLoc.html" title="SMLoc - Represents a location in source code.">SMLoc</a> L) {
+<a name="l00529"></a>00529 <span class="keywordflow">if</span> (getLexer().isNot(<a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039ae10c5f59f330bfd15608e1dda213a98f">AsmToken::EndOfStatement</a>)) {
+<a name="l00530"></a>00530 <span class="keywordflow">for</span> (;;) {
+<a name="l00531"></a>00531 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCExpr.html">MCExpr</a> *<a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a>;
+<a name="l00532"></a>00532 <span class="keywordflow">if</span> (getParser().ParseExpression(Value))
+<a name="l00533"></a>00533 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00534"></a>00534
+<a name="l00535"></a>00535 getParser().getStreamer().EmitValue(Value, Size, 0 <span class="comment">/*addrspace*/</span>);
+<a name="l00536"></a>00536
+<a name="l00537"></a>00537 <span class="keywordflow">if</span> (getLexer().is(<a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039ae10c5f59f330bfd15608e1dda213a98f">AsmToken::EndOfStatement</a>))
+<a name="l00538"></a>00538 <span class="keywordflow">break</span>;
+<a name="l00539"></a>00539
+<a name="l00540"></a>00540 <span class="comment">// FIXME: Improve diagnostic.</span>
+<a name="l00541"></a>00541 <span class="keywordflow">if</span> (getLexer().isNot(<a class="code" href="classllvm_1_1AsmToken.html#ab4316e41520ea53f789582c25bbec039ac4b2675d2cb80935b789d9f140092e25">AsmToken::Comma</a>))
+<a name="l00542"></a>00542 <span class="keywordflow">return</span> <a class="code" href="namespacellvm_1_1lltok.html#af353621f14cb4b4b3af5ffaff84076b1a3766a4dce43f4efc7208a749cc7ac605">Error</a>(L, <span class="stringliteral">"unexpected token in directive"</span>);
+<a name="l00543"></a>00543 Parser.Lex();
+<a name="l00544"></a>00544 }
+<a name="l00545"></a>00545 }
+<a name="l00546"></a>00546
+<a name="l00547"></a>00547 Parser.Lex();
+<a name="l00548"></a>00548 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00549"></a>00549 }
+<a name="l00550"></a>00550
+<a name="l00551"></a>00551 <span class="keyword">extern</span> <span class="stringliteral">"C"</span> <span class="keywordtype">void</span> <a class="code" href="MBlazeAsmLexer_8cpp.html#ac90c192ed4ad313d539ae98f6b00f216">LLVMInitializeMBlazeAsmLexer</a>();
+<a name="l00552"></a>00552 <span class="comment"></span>
+<a name="l00553"></a>00553 <span class="comment">/// Force static initialization.</span>
+<a name="l00554"></a><a class="code" href="MBlazeAsmParser_8cpp.html#a0b14256e8adb351ea253ba5a73ad682a">00554</a> <span class="comment"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> <span class="keywordtype">void</span> <a class="code" href="MBlazeAsmParser_8cpp.html#a0b14256e8adb351ea253ba5a73ad682a" title="Force static initialization.">LLVMInitializeMBlazeAsmParser</a>() {
+<a name="l00555"></a>00555 <a class="code" href="structllvm_1_1RegisterMCAsmParser.html">RegisterMCAsmParser<MBlazeAsmParser></a> <a class="code" href="namespacellvm.html#a6569d00d31a5d74e563e2f39f82271ab">X</a>(<a class="code" href="namespacellvm.html#a2140a3da86d5fb3b3c7a14cb3e5ad080">TheMBlazeTarget</a>);
+<a name="l00556"></a>00556 <a class="code" href="MBlazeAsmLexer_8cpp.html#ac90c192ed4ad313d539ae98f6b00f216">LLVMInitializeMBlazeAsmLexer</a>();
+<a name="l00557"></a>00557 }
+<a name="l00558"></a>00558
+<a name="l00559"></a><a class="code" href="MBlazeAsmParser_8cpp.html#a97de2baad077d3029a9cb8f211cf67c1">00559</a> <span class="preprocessor">#define GET_REGISTER_MATCHER</span>
+<a name="l00560"></a><a class="code" href="MBlazeAsmParser_8cpp.html#a0a1f42da52344bd4e34e744266abff0d">00560</a> <span class="preprocessor"></span><span class="preprocessor">#define GET_MATCHER_IMPLEMENTATION</span>
+<a name="l00561"></a>00561 <span class="preprocessor"></span><span class="preprocessor">#include "MBlazeGenAsmMatcher.inc"</span>
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:43 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
Added: www-releases/trunk/3.2/docs/doxygen/html/MBlazeAsmPrinter_8cpp.html
URL: http://llvm.org/viewvc/llvm-project/www-releases/trunk/3.2/docs/doxygen/html/MBlazeAsmPrinter_8cpp.html?rev=170845&view=auto
==============================================================================
--- www-releases/trunk/3.2/docs/doxygen/html/MBlazeAsmPrinter_8cpp.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/MBlazeAsmPrinter_8cpp.html Fri Dec 21 00:57:24 2012
@@ -0,0 +1,171 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<html><head>
+<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
+<meta name="keywords" content="LLVM,Low Level Virtual Machine,C++,doxygen,API,documentation"/>
+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: MBlazeAsmPrinter.cpp File Reference</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
+<p class="title">LLVM API Documentation</p>
+<!-- Generated by Doxygen 1.7.5.1 -->
+ <div id="navrow1" class="tabs">
+ <ul class="tablist">
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+ </ul>
+ </div>
+ <div id="navrow2" class="tabs2">
+ <ul class="tablist">
+ <li><a href="files.html"><span>File List</span></a></li>
+ <li><a href="globals.html"><span>File Members</span></a></li>
+ </ul>
+ </div>
+ <div id="nav-path" class="navpath">
+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_74e9364f374e99e3aeab4fae4e196292.html">lib</a> </li>
+ <li class="navelem"><a class="el" href="dir_8a55ec9894173378e0d08f27f306eeee.html">Target</a> </li>
+ <li class="navelem"><a class="el" href="dir_f975b82d147a340f2ab6ec1753ee61b7.html">MBlaze</a> </li>
+ </ul>
+ </div>
+</div>
+<div class="header">
+ <div class="summary">
+<a href="#define-members">Defines</a> |
+<a href="#func-members">Functions</a> </div>
+ <div class="headertitle">
+<div class="title">MBlazeAsmPrinter.cpp File Reference</div> </div>
+</div>
+<div class="contents">
+<div class="textblock"><code>#include "<a class="el" href="MBlaze_8h_source.html">MBlaze.h</a>"</code><br/>
+<code>#include "<a class="el" href="MBlazeSubtarget_8h_source.html">MBlazeSubtarget.h</a>"</code><br/>
+<code>#include "<a class="el" href="MBlazeInstrInfo_8h_source.html">MBlazeInstrInfo.h</a>"</code><br/>
+<code>#include "<a class="el" href="MBlazeTargetMachine_8h_source.html">MBlazeTargetMachine.h</a>"</code><br/>
+<code>#include "<a class="el" href="MBlazeMachineFunction_8h_source.html">MBlazeMachineFunction.h</a>"</code><br/>
+<code>#include "<a class="el" href="MBlazeMCInstLower_8h_source.html">MBlazeMCInstLower.h</a>"</code><br/>
+<code>#include "<a class="el" href="MBlazeInstPrinter_8h_source.html">InstPrinter/MBlazeInstPrinter.h</a>"</code><br/>
+<code>#include "<a class="el" href="Constants_8h_source.html">llvm/Constants.h</a>"</code><br/>
+<code>#include "<a class="el" href="DerivedTypes_8h_source.html">llvm/DerivedTypes.h</a>"</code><br/>
+<code>#include "<a class="el" href="Module_8h_source.html">llvm/Module.h</a>"</code><br/>
+<code>#include "<a class="el" href="AsmPrinter_8h_source.html">llvm/CodeGen/AsmPrinter.h</a>"</code><br/>
+<code>#include "<a class="el" href="MachineFunctionPass_8h_source.html">llvm/CodeGen/MachineFunctionPass.h</a>"</code><br/>
+<code>#include "<a class="el" href="MachineConstantPool_8h_source.html">llvm/CodeGen/MachineConstantPool.h</a>"</code><br/>
+<code>#include "<a class="el" href="MachineFrameInfo_8h_source.html">llvm/CodeGen/MachineFrameInfo.h</a>"</code><br/>
+<code>#include "<a class="el" href="MachineInstr_8h_source.html">llvm/CodeGen/MachineInstr.h</a>"</code><br/>
+<code>#include "<a class="el" href="MCInst_8h_source.html">llvm/MC/MCInst.h</a>"</code><br/>
+<code>#include "<a class="el" href="MCStreamer_8h_source.html">llvm/MC/MCStreamer.h</a>"</code><br/>
+<code>#include "<a class="el" href="MCAsmInfo_8h_source.html">llvm/MC/MCAsmInfo.h</a>"</code><br/>
+<code>#include "<a class="el" href="MCSymbol_8h_source.html">llvm/MC/MCSymbol.h</a>"</code><br/>
+<code>#include "<a class="el" href="Mangler_8h_source.html">llvm/Target/Mangler.h</a>"</code><br/>
+<code>#include "<a class="el" href="DataLayout_8h_source.html">llvm/DataLayout.h</a>"</code><br/>
+<code>#include "<a class="el" href="TargetLoweringObjectFile_8h_source.html">llvm/Target/TargetLoweringObjectFile.h</a>"</code><br/>
+<code>#include "<a class="el" href="Target_2TargetMachine_8h_source.html">llvm/Target/TargetMachine.h</a>"</code><br/>
+<code>#include "<a class="el" href="TargetOptions_8h_source.html">llvm/Target/TargetOptions.h</a>"</code><br/>
+<code>#include "<a class="el" href="ErrorHandling_8h_source.html">llvm/Support/ErrorHandling.h</a>"</code><br/>
+<code>#include "<a class="el" href="TargetRegistry_8h_source.html">llvm/Support/TargetRegistry.h</a>"</code><br/>
+<code>#include "<a class="el" href="raw__ostream_8h_source.html">llvm/Support/raw_ostream.h</a>"</code><br/>
+<code>#include <cctype></code><br/>
+</div><div class="textblock"><div class="dynheader">
+Include dependency graph for MBlazeAsmPrinter.cpp:</div>
+<div class="dyncontent">
+<div class="center"><img src="MBlazeAsmPrinter_8cpp__incl.png" border="0" usemap="#MBlazeAsmPrinter_8cpp" alt=""/></div>
+<!-- MAP 0 -->
+</div>
+</div>
+<p><a href="MBlazeAsmPrinter_8cpp_source.html">Go to the source code of this file.</a></p>
+<table class="memberdecls">
+<tr><td colspan="2"><h2><a name="define-members"></a>
+Defines</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="MBlazeAsmPrinter_8cpp.html#ad78e062f62e0d6e453941fb4ca843e4d">DEBUG_TYPE</a> "mblaze-asm-printer"</td></tr>
+<tr><td colspan="2"><h2><a name="func-members"></a>
+Functions</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="MBlazeAsmPrinter_8cpp.html#a132542cb52525c4d4189e70dfc0307fc">printHex32</a> (<a class="el" href="classunsigned.html">unsigned</a> int <a class="el" href="classllvm_1_1Value.html">Value</a>, <a class="el" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O)</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="MBlazeAsmPrinter_8cpp.html#a189a904ca3ab711f3872928de4e95ae1">LLVMInitializeMBlazeAsmPrinter</a> ()</td></tr>
+</table>
+<hr/><h2>Define Documentation</h2>
+<a class="anchor" id="ad78e062f62e0d6e453941fb4ca843e4d"></a><!-- doxytag: member="MBlazeAsmPrinter.cpp::DEBUG_TYPE" ref="ad78e062f62e0d6e453941fb4ca843e4d" args="" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">#define DEBUG_TYPE "mblaze-asm-printer"</td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="MBlazeAsmPrinter_8cpp_source.html#l00015">15</a> of file <a class="el" href="MBlazeAsmPrinter_8cpp_source.html">MBlazeAsmPrinter.cpp</a>.</p>
+
+</div>
+</div>
+<hr/><h2>Function Documentation</h2>
+<a class="anchor" id="a189a904ca3ab711f3872928de4e95ae1"></a><!-- doxytag: member="MBlazeAsmPrinter.cpp::LLVMInitializeMBlazeAsmPrinter" ref="a189a904ca3ab711f3872928de4e95ae1" args="()" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">void LLVMInitializeMBlazeAsmPrinter </td>
+ <td>(</td>
+ <td class="paramname"></td><td>)</td>
+ <td></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="MBlazeAsmPrinter_8cpp_source.html#l00324">324</a> of file <a class="el" href="MBlazeAsmPrinter_8cpp_source.html">MBlazeAsmPrinter.cpp</a>.</p>
+
+<p>References <a class="el" href="MBlazeTargetInfo_8cpp_source.html#l00015">llvm::TheMBlazeTarget</a>, and <a class="el" href="namespacellvm.html#a6569d00d31a5d74e563e2f39f82271ab">llvm::X</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a132542cb52525c4d4189e70dfc0307fc"></a><!-- doxytag: member="MBlazeAsmPrinter.cpp::printHex32" ref="a132542cb52525c4d4189e70dfc0307fc" args="(unsigned int Value, raw_ostream &O)" -->
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">static void printHex32 </td>
+ <td>(</td>
+ <td class="paramtype"><a class="el" href="classunsigned.html">unsigned</a> int </td>
+ <td class="paramname"><em>Value</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype"><a class="el" href="classllvm_1_1raw__ostream.html">raw_ostream</a> & </td>
+ <td class="paramname"><em>O</em> </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td>)</td>
+ <td></td><td><code> [static]</code></td>
+ </tr>
+ </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="MBlazeAsmPrinter_8cpp_source.html#l00117">117</a> of file <a class="el" href="MBlazeAsmPrinter_8cpp_source.html">MBlazeAsmPrinter.cpp</a>.</p>
+
+<p>References <a class="el" href="raw__ostream_8cpp_source.html#l00158">llvm::raw_ostream::write_hex()</a>.</p>
+
+</div>
+</div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:39:31 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
Added: www-releases/trunk/3.2/docs/doxygen/html/MBlazeAsmPrinter_8cpp_source.html
URL: http://llvm.org/viewvc/llvm-project/www-releases/trunk/3.2/docs/doxygen/html/MBlazeAsmPrinter_8cpp_source.html?rev=170845&view=auto
==============================================================================
--- www-releases/trunk/3.2/docs/doxygen/html/MBlazeAsmPrinter_8cpp_source.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/MBlazeAsmPrinter_8cpp_source.html Fri Dec 21 00:57:24 2012
@@ -0,0 +1,382 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<html><head>
+<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
+<meta name="keywords" content="LLVM,Low Level Virtual Machine,C++,doxygen,API,documentation"/>
+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: MBlazeAsmPrinter.cpp Source File</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
+<p class="title">LLVM API Documentation</p>
+<!-- Generated by Doxygen 1.7.5.1 -->
+ <div id="navrow1" class="tabs">
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+ <li><a href="index.html"><span>Main Page</span></a></li>
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+ <li><a href="files.html"><span>File List</span></a></li>
+ <li><a href="globals.html"><span>File Members</span></a></li>
+ </ul>
+ </div>
+ <div id="nav-path" class="navpath">
+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_74e9364f374e99e3aeab4fae4e196292.html">lib</a> </li>
+ <li class="navelem"><a class="el" href="dir_8a55ec9894173378e0d08f27f306eeee.html">Target</a> </li>
+ <li class="navelem"><a class="el" href="dir_f975b82d147a340f2ab6ec1753ee61b7.html">MBlaze</a> </li>
+ </ul>
+ </div>
+</div>
+<div class="header">
+ <div class="headertitle">
+<div class="title">MBlazeAsmPrinter.cpp</div> </div>
+</div>
+<div class="contents">
+<a href="MBlazeAsmPrinter_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===-- MBlazeAsmPrinter.cpp - MBlaze LLVM assembly writer ----------------===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// This file contains a printer that converts from our internal representation</span>
+<a name="l00011"></a>00011 <span class="comment">// of machine-dependent LLVM code to GAS-format MBlaze assembly language.</span>
+<a name="l00012"></a>00012 <span class="comment">//</span>
+<a name="l00013"></a>00013 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00014"></a>00014
+<a name="l00015"></a><a class="code" href="MBlazeAsmPrinter_8cpp.html#ad78e062f62e0d6e453941fb4ca843e4d">00015</a> <span class="preprocessor">#define DEBUG_TYPE "mblaze-asm-printer"</span>
+<a name="l00016"></a>00016 <span class="preprocessor"></span>
+<a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="MBlaze_8h.html">MBlaze.h</a>"</span>
+<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="MBlazeSubtarget_8h.html">MBlazeSubtarget.h</a>"</span>
+<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="MBlazeInstrInfo_8h.html">MBlazeInstrInfo.h</a>"</span>
+<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="MBlazeTargetMachine_8h.html">MBlazeTargetMachine.h</a>"</span>
+<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="MBlazeMachineFunction_8h.html">MBlazeMachineFunction.h</a>"</span>
+<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="MBlazeMCInstLower_8h.html">MBlazeMCInstLower.h</a>"</span>
+<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="MBlazeInstPrinter_8h.html">InstPrinter/MBlazeInstPrinter.h</a>"</span>
+<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="Constants_8h.html">llvm/Constants.h</a>"</span>
+<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="DerivedTypes_8h.html">llvm/DerivedTypes.h</a>"</span>
+<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="Module_8h.html">llvm/Module.h</a>"</span>
+<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="AsmPrinter_8h.html">llvm/CodeGen/AsmPrinter.h</a>"</span>
+<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="MachineFunctionPass_8h.html">llvm/CodeGen/MachineFunctionPass.h</a>"</span>
+<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="MachineConstantPool_8h.html">llvm/CodeGen/MachineConstantPool.h</a>"</span>
+<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="MachineFrameInfo_8h.html">llvm/CodeGen/MachineFrameInfo.h</a>"</span>
+<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="MachineInstr_8h.html">llvm/CodeGen/MachineInstr.h</a>"</span>
+<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="MCInst_8h.html">llvm/MC/MCInst.h</a>"</span>
+<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="MCStreamer_8h.html">llvm/MC/MCStreamer.h</a>"</span>
+<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="MCAsmInfo_8h.html">llvm/MC/MCAsmInfo.h</a>"</span>
+<a name="l00035"></a>00035 <span class="preprocessor">#include "<a class="code" href="MCSymbol_8h.html">llvm/MC/MCSymbol.h</a>"</span>
+<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="Mangler_8h.html">llvm/Target/Mangler.h</a>"</span>
+<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="DataLayout_8h.html">llvm/DataLayout.h</a>"</span>
+<a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="TargetLoweringObjectFile_8h.html">llvm/Target/TargetLoweringObjectFile.h</a>"</span>
+<a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="Target_2TargetMachine_8h.html">llvm/Target/TargetMachine.h</a>"</span>
+<a name="l00040"></a>00040 <span class="preprocessor">#include "<a class="code" href="TargetOptions_8h.html">llvm/Target/TargetOptions.h</a>"</span>
+<a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="ErrorHandling_8h.html">llvm/Support/ErrorHandling.h</a>"</span>
+<a name="l00042"></a>00042 <span class="preprocessor">#include "<a class="code" href="TargetRegistry_8h.html">llvm/Support/TargetRegistry.h</a>"</span>
+<a name="l00043"></a>00043 <span class="preprocessor">#include "<a class="code" href="raw__ostream_8h.html">llvm/Support/raw_ostream.h</a>"</span>
+<a name="l00044"></a>00044 <span class="preprocessor">#include <cctype></span>
+<a name="l00045"></a>00045
+<a name="l00046"></a>00046 <span class="keyword">using namespace </span>llvm;
+<a name="l00047"></a>00047
+<a name="l00048"></a>00048 <span class="keyword">namespace </span>{
+<a name="l00049"></a>00049 <span class="keyword">class </span>MBlazeAsmPrinter : <span class="keyword">public</span> <a class="code" href="classllvm_1_1AsmPrinter.html">AsmPrinter</a> {
+<a name="l00050"></a>00050 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MBlazeSubtarget.html">MBlazeSubtarget</a> *Subtarget;
+<a name="l00051"></a>00051 <span class="keyword">public</span>:
+<a name="l00052"></a>00052 <span class="keyword">explicit</span> MBlazeAsmPrinter(<a class="code" href="classllvm_1_1TargetMachine.html">TargetMachine</a> &TM, <a class="code" href="classllvm_1_1MCStreamer.html">MCStreamer</a> &Streamer)
+<a name="l00053"></a>00053 : <a class="code" href="classllvm_1_1AsmPrinter.html">AsmPrinter</a>(TM, Streamer) {
+<a name="l00054"></a>00054 Subtarget = &TM.<a class="code" href="classllvm_1_1TargetMachine.html#a5af2fed99951774b6a14d30ec6e73792">getSubtarget</a><<a class="code" href="classllvm_1_1MBlazeSubtarget.html">MBlazeSubtarget</a>>();
+<a name="l00055"></a>00055 }
+<a name="l00056"></a>00056
+<a name="l00057"></a>00057 <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *getPassName()<span class="keyword"> const </span>{
+<a name="l00058"></a>00058 <span class="keywordflow">return</span> <span class="stringliteral">"MBlaze Assembly Printer"</span>;
+<a name="l00059"></a>00059 }
+<a name="l00060"></a>00060
+<a name="l00061"></a>00061 <span class="keywordtype">void</span> printSavedRegsBitmask();
+<a name="l00062"></a>00062 <span class="keywordtype">void</span> emitFrameDirective();
+<a name="l00063"></a>00063 <span class="keyword">virtual</span> <span class="keywordtype">void</span> EmitFunctionBodyStart();
+<a name="l00064"></a>00064 <span class="keyword">virtual</span> <span class="keywordtype">void</span> EmitFunctionBodyEnd();
+<a name="l00065"></a>00065 <span class="keyword">virtual</span> <span class="keywordtype">void</span> EmitFunctionEntryLabel();
+<a name="l00066"></a>00066
+<a name="l00067"></a>00067 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isBlockOnlyReachableByFallthrough(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a> *MBB)
+<a name="l00068"></a>00068 <span class="keyword">const</span>;
+<a name="l00069"></a>00069
+<a name="l00070"></a>00070 <span class="keywordtype">bool</span> PrintAsmOperand(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *<a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>, <span class="keywordtype">unsigned</span> OpNo,
+<a name="l00071"></a>00071 <span class="keywordtype">unsigned</span> AsmVariant, <span class="keyword">const</span> <span class="keywordtype">char</span> *ExtraCode,
+<a name="l00072"></a>00072 <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O);
+<a name="l00073"></a>00073 <span class="keywordtype">void</span> printOperand(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *MI, <span class="keywordtype">int</span> opNum, <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O);
+<a name="l00074"></a>00074 <span class="keywordtype">void</span> printUnsignedImm(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *MI, <span class="keywordtype">int</span> opNum, <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O);
+<a name="l00075"></a>00075 <span class="keywordtype">void</span> printFSLImm(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *MI, <span class="keywordtype">int</span> opNum, <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O);
+<a name="l00076"></a>00076 <span class="keywordtype">void</span> printMemOperand(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *MI, <span class="keywordtype">int</span> opNum, <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O,
+<a name="l00077"></a>00077 <span class="keyword">const</span> <span class="keywordtype">char</span> *Modifier = 0);
+<a name="l00078"></a>00078
+<a name="l00079"></a>00079 <span class="keywordtype">void</span> EmitInstruction(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *MI);
+<a name="l00080"></a>00080 };
+<a name="l00081"></a>00081 } <span class="comment">// end of anonymous namespace</span>
+<a name="l00082"></a>00082
+<a name="l00083"></a>00083 <span class="comment">// #include "MBlazeGenAsmWriter.inc"</span>
+<a name="l00084"></a>00084
+<a name="l00085"></a>00085 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00086"></a>00086 <span class="comment">//</span>
+<a name="l00087"></a>00087 <span class="comment">// MBlaze Asm Directives</span>
+<a name="l00088"></a>00088 <span class="comment">//</span>
+<a name="l00089"></a>00089 <span class="comment">// -- Frame directive "frame Stackpointer, Stacksize, RARegister"</span>
+<a name="l00090"></a>00090 <span class="comment">// Describe the stack frame.</span>
+<a name="l00091"></a>00091 <span class="comment">//</span>
+<a name="l00092"></a>00092 <span class="comment">// -- Mask directives "mask bitmask, offset"</span>
+<a name="l00093"></a>00093 <span class="comment">// Tells the assembler which registers are saved and where.</span>
+<a name="l00094"></a>00094 <span class="comment">// bitmask - contain a little endian bitset indicating which registers are</span>
+<a name="l00095"></a>00095 <span class="comment">// saved on function prologue (e.g. with a 0x80000000 mask, the</span>
+<a name="l00096"></a>00096 <span class="comment">// assembler knows the register 31 (RA) is saved at prologue.</span>
+<a name="l00097"></a>00097 <span class="comment">// offset - the position before stack pointer subtraction indicating where</span>
+<a name="l00098"></a>00098 <span class="comment">// the first saved register on prologue is located. (e.g. with a</span>
+<a name="l00099"></a>00099 <span class="comment">//</span>
+<a name="l00100"></a>00100 <span class="comment">// Consider the following function prologue:</span>
+<a name="l00101"></a>00101 <span class="comment">//</span>
+<a name="l00102"></a>00102 <span class="comment">// .frame R19,48,R15</span>
+<a name="l00103"></a>00103 <span class="comment">// .mask 0xc0000000,-8</span>
+<a name="l00104"></a>00104 <span class="comment">// addiu R1, R1, -48</span>
+<a name="l00105"></a>00105 <span class="comment">// sw R15, 40(R1)</span>
+<a name="l00106"></a>00106 <span class="comment">// sw R19, 36(R1)</span>
+<a name="l00107"></a>00107 <span class="comment">//</span>
+<a name="l00108"></a>00108 <span class="comment">// With a 0xc0000000 mask, the assembler knows the register 15 (R15) and</span>
+<a name="l00109"></a>00109 <span class="comment">// 19 (R19) are saved at prologue. As the save order on prologue is from</span>
+<a name="l00110"></a>00110 <span class="comment">// left to right, R15 is saved first. A -8 offset means that after the</span>
+<a name="l00111"></a>00111 <span class="comment">// stack pointer subtration, the first register in the mask (R15) will be</span>
+<a name="l00112"></a>00112 <span class="comment">// saved at address 48-8=40.</span>
+<a name="l00113"></a>00113 <span class="comment">//</span>
+<a name="l00114"></a>00114 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00115"></a>00115
+<a name="l00116"></a>00116 <span class="comment">// Print a 32 bit hex number with all numbers.</span>
+<a name="l00117"></a><a class="code" href="MBlazeAsmPrinter_8cpp.html#a132542cb52525c4d4189e70dfc0307fc">00117</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="MBlazeAsmPrinter_8cpp.html#a132542cb52525c4d4189e70dfc0307fc">printHex32</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classllvm_1_1Value.html" title="LLVM Value Representation.">Value</a>, <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O) {
+<a name="l00118"></a>00118 O << <span class="stringliteral">"0x"</span>;
+<a name="l00119"></a>00119 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 7; i >= 0; i--)
+<a name="l00120"></a>00120 O.<a class="code" href="classllvm_1_1raw__ostream.html#a37b5dd8a8b82f2818e0f4ea9699d8ae5" title="write_hex - Output N in hexadecimal, without any prefix or padding.">write_hex</a>((Value & (0xF << (i*4))) >> (i*4));
+<a name="l00121"></a>00121 }
+<a name="l00122"></a>00122
+<a name="l00123"></a>00123 <span class="comment">// Create a bitmask with all callee saved registers for CPU or Floating Point</span>
+<a name="l00124"></a>00124 <span class="comment">// registers. For CPU registers consider RA, GP and FP for saving if necessary.</span>
+<a name="l00125"></a>00125 <span class="keywordtype">void</span> MBlazeAsmPrinter::printSavedRegsBitmask() {
+<a name="l00126"></a>00126 <span class="keyword">const</span> <a class="code" href="classllvm_1_1TargetFrameLowering.html">TargetFrameLowering</a> *TFI = TM.getFrameLowering();
+<a name="l00127"></a>00127 <span class="keyword">const</span> <a class="code" href="classllvm_1_1TargetRegisterInfo.html">TargetRegisterInfo</a> &RI = *TM.getRegisterInfo();
+<a name="l00128"></a>00128
+<a name="l00129"></a>00129 <span class="comment">// CPU Saved Registers Bitmasks</span>
+<a name="l00130"></a>00130 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> CPUBitmask = 0;
+<a name="l00131"></a>00131
+<a name="l00132"></a>00132 <span class="comment">// Set the CPU Bitmasks</span>
+<a name="l00133"></a>00133 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineFrameInfo.html" title="Abstract Stack Frame Information.">MachineFrameInfo</a> *MFI = MF->getFrameInfo();
+<a name="l00134"></a>00134 <span class="keyword">const</span> std::vector<CalleeSavedInfo> &CSI = MFI-><a class="code" href="classllvm_1_1MachineFrameInfo.html#a5296aac05a8ccceb0d89d449611722d3">getCalleeSavedInfo</a>();
+<a name="l00135"></a>00135 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0, e = CSI.size(); i != e; ++i) {
+<a name="l00136"></a>00136 <span class="keywordtype">unsigned</span> <a class="code" href="X86DisassemblerDecoder_8h.html#a546839a5c4bcf9f9450967155f48de41">Reg</a> = CSI[i].getReg();
+<a name="l00137"></a>00137 <span class="keywordtype">unsigned</span> RegNum = <a class="code" href="namespacellvm.html#ab4fc31dd5f625f7f15770507c9b36aa1">getMBlazeRegisterNumbering</a>(Reg);
+<a name="l00138"></a>00138 <span class="keywordflow">if</span> (MBlaze::GPRRegClass.contains(Reg))
+<a name="l00139"></a>00139 CPUBitmask |= (1 << RegNum);
+<a name="l00140"></a>00140 }
+<a name="l00141"></a>00141
+<a name="l00142"></a>00142 <span class="comment">// Return Address and Frame registers must also be set in CPUBitmask.</span>
+<a name="l00143"></a>00143 <span class="keywordflow">if</span> (TFI-><a class="code" href="classllvm_1_1TargetFrameLowering.html#a59182730437bdb0a45a274261a7ea84b">hasFP</a>(*MF))
+<a name="l00144"></a>00144 CPUBitmask |= (1 << <a class="code" href="namespacellvm.html#ab4fc31dd5f625f7f15770507c9b36aa1">getMBlazeRegisterNumbering</a>(RI.<a class="code" href="classllvm_1_1TargetRegisterInfo.html#a2a4c228322f39803f16b2f49d18b0efe" title="Debug information queries.">getFrameRegister</a>(*MF)));
+<a name="l00145"></a>00145
+<a name="l00146"></a>00146 <span class="keywordflow">if</span> (MFI-><a class="code" href="classllvm_1_1MachineFrameInfo.html#a54aab1c41d2657472b4ea7c9935570c7">adjustsStack</a>())
+<a name="l00147"></a>00147 CPUBitmask |= (1 << <a class="code" href="namespacellvm.html#ab4fc31dd5f625f7f15770507c9b36aa1">getMBlazeRegisterNumbering</a>(RI.<a class="code" href="classllvm_1_1MCRegisterInfo.html#ac58ba5238412b89eed1c5703a7e81f11">getRARegister</a>()));
+<a name="l00148"></a>00148
+<a name="l00149"></a>00149 <span class="comment">// Print CPUBitmask</span>
+<a name="l00150"></a>00150 OutStreamer.EmitRawText(<span class="stringliteral">"\t.mask\t0x"</span> + <a class="code" href="classllvm_1_1Twine.html#acaa1b3e2d07a6c9d2d7030c7dc7ec6a7">Twine::utohexstr</a>(CPUBitmask));
+<a name="l00151"></a>00151 }
+<a name="l00152"></a>00152 <span class="comment"></span>
+<a name="l00153"></a>00153 <span class="comment">/// Frame Directive</span>
+<a name="l00154"></a>00154 <span class="comment"></span><span class="keywordtype">void</span> MBlazeAsmPrinter::emitFrameDirective() {
+<a name="l00155"></a>00155 <span class="keywordflow">if</span> (!OutStreamer.hasRawTextSupport())
+<a name="l00156"></a>00156 <span class="keywordflow">return</span>;
+<a name="l00157"></a>00157
+<a name="l00158"></a>00158 <span class="keyword">const</span> <a class="code" href="classllvm_1_1TargetRegisterInfo.html">TargetRegisterInfo</a> &RI = *TM.getRegisterInfo();
+<a name="l00159"></a>00159 <span class="keywordtype">unsigned</span> stkReg = RI.<a class="code" href="classllvm_1_1TargetRegisterInfo.html#a2a4c228322f39803f16b2f49d18b0efe" title="Debug information queries.">getFrameRegister</a>(*MF);
+<a name="l00160"></a>00160 <span class="keywordtype">unsigned</span> retReg = RI.<a class="code" href="classllvm_1_1MCRegisterInfo.html#ac58ba5238412b89eed1c5703a7e81f11">getRARegister</a>();
+<a name="l00161"></a>00161 <span class="keywordtype">unsigned</span> stkSze = MF->getFrameInfo()->getStackSize();
+<a name="l00162"></a>00162
+<a name="l00163"></a>00163 OutStreamer.EmitRawText(<span class="stringliteral">"\t.frame\t"</span> +
+<a name="l00164"></a>00164 <a class="code" href="classllvm_1_1Twine.html">Twine</a>(<a class="code" href="classllvm_1_1MBlazeInstPrinter.html#ae2c9b40f3c6c6188638d7b2e4fc63e22">MBlazeInstPrinter::getRegisterName</a>(stkReg)) +
+<a name="l00165"></a>00165 <span class="stringliteral">","</span> + <a class="code" href="classllvm_1_1Twine.html">Twine</a>(stkSze) + <span class="stringliteral">","</span> +
+<a name="l00166"></a>00166 <a class="code" href="classllvm_1_1Twine.html">Twine</a>(<a class="code" href="classllvm_1_1MBlazeInstPrinter.html#ae2c9b40f3c6c6188638d7b2e4fc63e22">MBlazeInstPrinter::getRegisterName</a>(retReg)));
+<a name="l00167"></a>00167 }
+<a name="l00168"></a>00168
+<a name="l00169"></a>00169 <span class="keywordtype">void</span> MBlazeAsmPrinter::EmitFunctionEntryLabel() {
+<a name="l00170"></a>00170 <span class="keywordflow">if</span> (OutStreamer.hasRawTextSupport())
+<a name="l00171"></a>00171 OutStreamer.EmitRawText(<span class="stringliteral">"\t.ent\t"</span> + <a class="code" href="classllvm_1_1Twine.html">Twine</a>(CurrentFnSym->getName()));
+<a name="l00172"></a>00172 <a class="code" href="classllvm_1_1AsmPrinter.html#a6df983aaf3ac8ab3b045c0dbcd05be00">AsmPrinter::EmitFunctionEntryLabel</a>();
+<a name="l00173"></a>00173 }
+<a name="l00174"></a>00174
+<a name="l00175"></a>00175 <span class="keywordtype">void</span> MBlazeAsmPrinter::EmitFunctionBodyStart() {
+<a name="l00176"></a>00176 <span class="keywordflow">if</span> (!OutStreamer.hasRawTextSupport())
+<a name="l00177"></a>00177 <span class="keywordflow">return</span>;
+<a name="l00178"></a>00178
+<a name="l00179"></a>00179 emitFrameDirective();
+<a name="l00180"></a>00180 printSavedRegsBitmask();
+<a name="l00181"></a>00181 }
+<a name="l00182"></a>00182
+<a name="l00183"></a>00183 <span class="keywordtype">void</span> MBlazeAsmPrinter::EmitFunctionBodyEnd() {
+<a name="l00184"></a>00184 <span class="keywordflow">if</span> (OutStreamer.hasRawTextSupport())
+<a name="l00185"></a>00185 OutStreamer.EmitRawText(<span class="stringliteral">"\t.end\t"</span> + <a class="code" href="classllvm_1_1Twine.html">Twine</a>(CurrentFnSym->getName()));
+<a name="l00186"></a>00186 }
+<a name="l00187"></a>00187
+<a name="l00188"></a>00188 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00189"></a>00189 <span class="keywordtype">void</span> MBlazeAsmPrinter::EmitInstruction(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *<a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>) {
+<a name="l00190"></a>00190 <a class="code" href="classllvm_1_1MBlazeMCInstLower.html">MBlazeMCInstLower</a> MCInstLowering(OutContext, *<span class="keyword">this</span>);
+<a name="l00191"></a>00191
+<a name="l00192"></a>00192 <a class="code" href="classllvm_1_1MCInst.html">MCInst</a> TmpInst;
+<a name="l00193"></a>00193 MCInstLowering.Lower(MI, TmpInst);
+<a name="l00194"></a>00194 OutStreamer.EmitInstruction(TmpInst);
+<a name="l00195"></a>00195 }
+<a name="l00196"></a>00196
+<a name="l00197"></a>00197 <span class="comment">// Print out an operand for an inline asm expression.</span>
+<a name="l00198"></a>00198 <span class="keywordtype">bool</span> MBlazeAsmPrinter::
+<a name="l00199"></a>00199 PrintAsmOperand(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *MI, <span class="keywordtype">unsigned</span> OpNo,
+<a name="l00200"></a>00200 <span class="keywordtype">unsigned</span> AsmVariant,<span class="keyword">const</span> <span class="keywordtype">char</span> *ExtraCode, <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O) {
+<a name="l00201"></a>00201 <span class="comment">// Does this asm operand have a single letter operand modifier?</span>
+<a name="l00202"></a>00202 <span class="keywordflow">if</span> (ExtraCode && ExtraCode[0])
+<a name="l00203"></a>00203 <span class="keywordflow">if</span> (ExtraCode[1] != 0) <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// Unknown modifier.</span>
+<a name="l00204"></a>00204
+<a name="l00205"></a>00205 <span class="keywordflow">switch</span> (ExtraCode[0]) {
+<a name="l00206"></a>00206 <span class="keywordflow">default</span>:
+<a name="l00207"></a>00207 <span class="comment">// See if this is a generic print operand</span>
+<a name="l00208"></a>00208 <span class="keywordflow">return</span> <a class="code" href="classllvm_1_1AsmPrinter.html#a7447ee883681c6e7d788d685c65ac47f">AsmPrinter::PrintAsmOperand</a>(MI, OpNo, AsmVariant, ExtraCode, O);
+<a name="l00209"></a>00209 }
+<a name="l00210"></a>00210
+<a name="l00211"></a>00211 printOperand(MI, OpNo, O);
+<a name="l00212"></a>00212 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00213"></a>00213 }
+<a name="l00214"></a>00214
+<a name="l00215"></a>00215 <span class="keywordtype">void</span> MBlazeAsmPrinter::printOperand(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *MI, <span class="keywordtype">int</span> opNum,
+<a name="l00216"></a>00216 <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O) {
+<a name="l00217"></a>00217 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineOperand.html">MachineOperand</a> &MO = MI-><a class="code" href="classllvm_1_1MachineInstr.html#a302e45878c6dc1714334c7ce96d56846">getOperand</a>(opNum);
+<a name="l00218"></a>00218
+<a name="l00219"></a>00219 <span class="keywordflow">switch</span> (MO.<a class="code" href="classllvm_1_1MachineOperand.html#a1b63a086907e5b144612bb4266b713d6">getType</a>()) {
+<a name="l00220"></a>00220 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1MachineOperand.html#a4da580aaf3300fdcf306f17e4a864f6da99b874c6560305fd292d20f6a06da166" title="Register operand.">MachineOperand::MO_Register</a>:
+<a name="l00221"></a>00221 O << <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#ae2c9b40f3c6c6188638d7b2e4fc63e22">MBlazeInstPrinter::getRegisterName</a>(MO.<a class="code" href="classllvm_1_1MachineOperand.html#ab75f703d251cc0ce0206fe00a999db86" title="getReg - Returns the register number.">getReg</a>());
+<a name="l00222"></a>00222 <span class="keywordflow">break</span>;
+<a name="l00223"></a>00223
+<a name="l00224"></a>00224 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1MachineOperand.html#a4da580aaf3300fdcf306f17e4a864f6da066f84460d9f7b61d54b187555756ef6" title="Immediate operand.">MachineOperand::MO_Immediate</a>:
+<a name="l00225"></a>00225 O << (int32_t)MO.<a class="code" href="classllvm_1_1MachineOperand.html#a7059d68a29d5ecfb37623ab45cdb4e8d">getImm</a>();
+<a name="l00226"></a>00226 <span class="keywordflow">break</span>;
+<a name="l00227"></a>00227
+<a name="l00228"></a>00228 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1MachineOperand.html#a4da580aaf3300fdcf306f17e4a864f6dac4edc21072344f5aafa2a8f307c78b81" title="Floating-point immediate operand.">MachineOperand::MO_FPImmediate</a>: {
+<a name="l00229"></a>00229 <span class="keyword">const</span> <a class="code" href="classllvm_1_1ConstantFP.html">ConstantFP</a> *fp = MO.<a class="code" href="classllvm_1_1MachineOperand.html#a9d65ddc39d79d046b9153140d4b6fcf5">getFPImm</a>();
+<a name="l00230"></a>00230 <a class="code" href="MBlazeAsmPrinter_8cpp.html#a132542cb52525c4d4189e70dfc0307fc">printHex32</a>(fp-><a class="code" href="classllvm_1_1ConstantFP.html#a0f839f7633a4709c1d89e128f49b3d43">getValueAPF</a>().<a class="code" href="classllvm_1_1APFloat.html#ae98bca797c2e2ea2fb639935b01da1ae">bitcastToAPInt</a>().<a class="code" href="classllvm_1_1APInt.html#a7dc983ebf0eb2d255fa90a67063c72e2" title="Get zero extended value.">getZExtValue</a>(), O);
+<a name="l00231"></a>00231 O << <span class="stringliteral">";\t# immediate = "</span> << *fp;
+<a name="l00232"></a>00232 <span class="keywordflow">break</span>;
+<a name="l00233"></a>00233 }
+<a name="l00234"></a>00234
+<a name="l00235"></a>00235 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1MachineOperand.html#a4da580aaf3300fdcf306f17e4a864f6da95566cb4525dab82db8cbbed3d634c23" title="MachineBasicBlock reference.">MachineOperand::MO_MachineBasicBlock</a>:
+<a name="l00236"></a>00236 O << *MO.<a class="code" href="classllvm_1_1MachineOperand.html#a3350f7760c4eec67ea7d8f3063c3d748">getMBB</a>()-><a class="code" href="classllvm_1_1MachineBasicBlock.html#a24d0da534c4fb156547a04749b9f6468">getSymbol</a>();
+<a name="l00237"></a>00237 <span class="keywordflow">return</span>;
+<a name="l00238"></a>00238
+<a name="l00239"></a>00239 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1MachineOperand.html#a4da580aaf3300fdcf306f17e4a864f6da3f1f6bfc5aa57cf388201bf6b8fee7d3" title="Address of a global value.">MachineOperand::MO_GlobalAddress</a>:
+<a name="l00240"></a>00240 O << *Mang->getSymbol(MO.<a class="code" href="classllvm_1_1MachineOperand.html#a0c3a2a5a49795f8750ebd02dc0e6e11e">getGlobal</a>());
+<a name="l00241"></a>00241 <span class="keywordflow">break</span>;
+<a name="l00242"></a>00242
+<a name="l00243"></a>00243 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1MachineOperand.html#a4da580aaf3300fdcf306f17e4a864f6da9d22ed12eec3e14283ed6a3617d12119" title="Name of external global symbol.">MachineOperand::MO_ExternalSymbol</a>:
+<a name="l00244"></a>00244 O << *GetExternalSymbolSymbol(MO.<a class="code" href="classllvm_1_1MachineOperand.html#ad9456ef14a72da4e4def5d8747c41a09">getSymbolName</a>());
+<a name="l00245"></a>00245 <span class="keywordflow">break</span>;
+<a name="l00246"></a>00246
+<a name="l00247"></a>00247 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1MachineOperand.html#a4da580aaf3300fdcf306f17e4a864f6daa1741ad7465d81fb3020b84c390ee49d" title="Address of indexed Jump Table for switch.">MachineOperand::MO_JumpTableIndex</a>:
+<a name="l00248"></a>00248 O << MAI->getPrivateGlobalPrefix() << <span class="stringliteral">"JTI"</span> << getFunctionNumber()
+<a name="l00249"></a>00249 << <span class="charliteral">'_'</span> << MO.<a class="code" href="classllvm_1_1MachineOperand.html#ac9485ae7d6fedd71ad4460f72c799c98">getIndex</a>();
+<a name="l00250"></a>00250 <span class="keywordflow">break</span>;
+<a name="l00251"></a>00251
+<a name="l00252"></a>00252 <span class="keywordflow">case</span> <a class="code" href="classllvm_1_1MachineOperand.html#a4da580aaf3300fdcf306f17e4a864f6da0d4fd3b1a2d5d46d77b66d5a35783580" title="Address of indexed Constant in Constant Pool.">MachineOperand::MO_ConstantPoolIndex</a>:
+<a name="l00253"></a>00253 O << MAI->getPrivateGlobalPrefix() << <span class="stringliteral">"CPI"</span>
+<a name="l00254"></a>00254 << getFunctionNumber() << <span class="stringliteral">"_"</span> << MO.<a class="code" href="classllvm_1_1MachineOperand.html#ac9485ae7d6fedd71ad4460f72c799c98">getIndex</a>();
+<a name="l00255"></a>00255 <span class="keywordflow">if</span> (MO.<a class="code" href="classllvm_1_1MachineOperand.html#ae73de4f077ea9862af9611652396202b">getOffset</a>())
+<a name="l00256"></a>00256 O << <span class="stringliteral">"+"</span> << MO.<a class="code" href="classllvm_1_1MachineOperand.html#ae73de4f077ea9862af9611652396202b">getOffset</a>();
+<a name="l00257"></a>00257 <span class="keywordflow">break</span>;
+<a name="l00258"></a>00258
+<a name="l00259"></a>00259 <span class="keywordflow">default</span>:
+<a name="l00260"></a>00260 <a class="code" href="ErrorHandling_8h.html#ace243f5c25697a1107cce46626b3dc94">llvm_unreachable</a>(<span class="stringliteral">"<unknown operand type>"</span>);
+<a name="l00261"></a>00261 }
+<a name="l00262"></a>00262 }
+<a name="l00263"></a>00263
+<a name="l00264"></a>00264 <span class="keywordtype">void</span> MBlazeAsmPrinter::printUnsignedImm(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *MI, <span class="keywordtype">int</span> opNum,
+<a name="l00265"></a>00265 <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O) {
+<a name="l00266"></a>00266 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineOperand.html">MachineOperand</a> &MO = MI-><a class="code" href="classllvm_1_1MachineInstr.html#a302e45878c6dc1714334c7ce96d56846">getOperand</a>(opNum);
+<a name="l00267"></a>00267 <span class="keywordflow">if</span> (MO.<a class="code" href="classllvm_1_1MachineOperand.html#a2ac18ceda9f2857fea2e5cc4e8bf4ff5" title="isImm - Tests if this is a MO_Immediate operand.">isImm</a>())
+<a name="l00268"></a>00268 O << (uint32_t)MO.<a class="code" href="classllvm_1_1MachineOperand.html#a7059d68a29d5ecfb37623ab45cdb4e8d">getImm</a>();
+<a name="l00269"></a>00269 <span class="keywordflow">else</span>
+<a name="l00270"></a>00270 printOperand(MI, opNum, O);
+<a name="l00271"></a>00271 }
+<a name="l00272"></a>00272
+<a name="l00273"></a>00273 <span class="keywordtype">void</span> MBlazeAsmPrinter::printFSLImm(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *MI, <span class="keywordtype">int</span> opNum,
+<a name="l00274"></a>00274 <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O) {
+<a name="l00275"></a>00275 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineOperand.html">MachineOperand</a> &MO = MI-><a class="code" href="classllvm_1_1MachineInstr.html#a302e45878c6dc1714334c7ce96d56846">getOperand</a>(opNum);
+<a name="l00276"></a>00276 <span class="keywordflow">if</span> (MO.<a class="code" href="classllvm_1_1MachineOperand.html#a2ac18ceda9f2857fea2e5cc4e8bf4ff5" title="isImm - Tests if this is a MO_Immediate operand.">isImm</a>())
+<a name="l00277"></a>00277 O << <span class="stringliteral">"rfsl"</span> << (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)MO.<a class="code" href="classllvm_1_1MachineOperand.html#a7059d68a29d5ecfb37623ab45cdb4e8d">getImm</a>();
+<a name="l00278"></a>00278 <span class="keywordflow">else</span>
+<a name="l00279"></a>00279 printOperand(MI, opNum, O);
+<a name="l00280"></a>00280 }
+<a name="l00281"></a>00281
+<a name="l00282"></a>00282 <span class="keywordtype">void</span> MBlazeAsmPrinter::
+<a name="l00283"></a>00283 printMemOperand(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineInstr.html">MachineInstr</a> *MI, <span class="keywordtype">int</span> opNum, <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O,
+<a name="l00284"></a>00284 <span class="keyword">const</span> <span class="keywordtype">char</span> *Modifier) {
+<a name="l00285"></a>00285 printOperand(MI, opNum, O);
+<a name="l00286"></a>00286 O << <span class="stringliteral">", "</span>;
+<a name="l00287"></a>00287 printOperand(MI, opNum+1, O);
+<a name="l00288"></a>00288 }
+<a name="l00289"></a>00289 <span class="comment"></span>
+<a name="l00290"></a>00290 <span class="comment">/// isBlockOnlyReachableByFallthough - Return true if the basic block has</span>
+<a name="l00291"></a>00291 <span class="comment">/// exactly one predecessor and the control transfer mechanism between</span>
+<a name="l00292"></a>00292 <span class="comment">/// the predecessor and this block is a fall-through.</span>
+<a name="l00293"></a>00293 <span class="comment"></span><span class="keywordtype">bool</span> MBlazeAsmPrinter::
+<a name="l00294"></a>00294 isBlockOnlyReachableByFallthrough(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a> *MBB)<span class="keyword"> const </span>{
+<a name="l00295"></a>00295 <span class="comment">// If this is a landing pad, it isn't a fall through. If it has no preds,</span>
+<a name="l00296"></a>00296 <span class="comment">// then nothing falls through to it.</span>
+<a name="l00297"></a>00297 <span class="keywordflow">if</span> (MBB-><a class="code" href="classllvm_1_1MachineBasicBlock.html#a3f522ae33859d693fb5781efe690e9e6">isLandingPad</a>() || MBB-><a class="code" href="classllvm_1_1MachineBasicBlock.html#ae1612b06274368fe13b574cbd9c4f768">pred_empty</a>())
+<a name="l00298"></a>00298 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00299"></a>00299
+<a name="l00300"></a>00300 <span class="comment">// If there isn't exactly one predecessor, it can't be a fall through.</span>
+<a name="l00301"></a>00301 <a class="code" href="classllvm_1_1MachineBasicBlock.html#a502516f71f7824d46325d30ea41f34ba">MachineBasicBlock::const_pred_iterator</a> PI = MBB-><a class="code" href="classllvm_1_1MachineBasicBlock.html#ab644fcf07a4c2708333cf66276282357">pred_begin</a>(), PI2 = PI;
+<a name="l00302"></a>00302 ++PI2;
+<a name="l00303"></a>00303 <span class="keywordflow">if</span> (PI2 != MBB-><a class="code" href="classllvm_1_1MachineBasicBlock.html#a0359a738e0412c5a7ea55d61175e0661">pred_end</a>())
+<a name="l00304"></a>00304 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00305"></a>00305
+<a name="l00306"></a>00306 <span class="comment">// The predecessor has to be immediately before this block.</span>
+<a name="l00307"></a>00307 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MachineBasicBlock.html">MachineBasicBlock</a> *Pred = *PI;
+<a name="l00308"></a>00308
+<a name="l00309"></a>00309 <span class="keywordflow">if</span> (!Pred-><a class="code" href="classllvm_1_1MachineBasicBlock.html#a0fc7a349a4ab737607def6cb461791fd">isLayoutSuccessor</a>(MBB))
+<a name="l00310"></a>00310 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00311"></a>00311
+<a name="l00312"></a>00312 <span class="comment">// If the block is completely empty, then it definitely does fall through.</span>
+<a name="l00313"></a>00313 <span class="keywordflow">if</span> (Pred-><a class="code" href="classllvm_1_1MachineBasicBlock.html#aa37d95a1d7bc824da0c596d8334c4ceb">empty</a>())
+<a name="l00314"></a>00314 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00315"></a>00315
+<a name="l00316"></a>00316 <span class="comment">// Check if the last terminator is an unconditional branch.</span>
+<a name="l00317"></a>00317 <a class="code" href="classllvm_1_1MachineBasicBlock.html#a654b11787ac7c4344084d98bea7cf626">MachineBasicBlock::const_iterator</a> <a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a> = Pred-><a class="code" href="classllvm_1_1MachineBasicBlock.html#acbc921830578e2741be6549db716c0ce">end</a>();
+<a name="l00318"></a>00318 <span class="keywordflow">while</span> (I != Pred-><a class="code" href="classllvm_1_1MachineBasicBlock.html#ab2d91e7bec944efcbc39d8e30644f111">begin</a>() && !(--<a class="code" href="namespacellvm_1_1ARM__PROC.html#aac31dd660a6f18140efdd62b351cb11ba41e4a98ca287d35fab0923aa355d63a5">I</a>)->isTerminator())
+<a name="l00319"></a>00319 ; <span class="comment">// Noop</span>
+<a name="l00320"></a>00320 <span class="keywordflow">return</span> I == Pred-><a class="code" href="classllvm_1_1MachineBasicBlock.html#acbc921830578e2741be6549db716c0ce">end</a>() || !I->isBarrier();
+<a name="l00321"></a>00321 }
+<a name="l00322"></a>00322
+<a name="l00323"></a>00323 <span class="comment">// Force static initialization.</span>
+<a name="l00324"></a><a class="code" href="MBlazeAsmPrinter_8cpp.html#a189a904ca3ab711f3872928de4e95ae1">00324</a> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> <span class="keywordtype">void</span> <a class="code" href="MBlazeAsmPrinter_8cpp.html#a189a904ca3ab711f3872928de4e95ae1">LLVMInitializeMBlazeAsmPrinter</a>() {
+<a name="l00325"></a>00325 <a class="code" href="structllvm_1_1RegisterAsmPrinter.html">RegisterAsmPrinter<MBlazeAsmPrinter></a> <a class="code" href="namespacellvm.html#a6569d00d31a5d74e563e2f39f82271ab">X</a>(<a class="code" href="namespacellvm.html#a2140a3da86d5fb3b3c7a14cb3e5ad080">TheMBlazeTarget</a>);
+<a name="l00326"></a>00326 }
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:43 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
Added: www-releases/trunk/3.2/docs/doxygen/html/MBlazeBaseInfo_8h__dep__incl.dot
URL: http://llvm.org/viewvc/llvm-project/www-releases/trunk/3.2/docs/doxygen/html/MBlazeBaseInfo_8h__dep__incl.dot?rev=170845&view=auto
==============================================================================
--- www-releases/trunk/3.2/docs/doxygen/html/MBlazeBaseInfo_8h__dep__incl.dot (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/MBlazeBaseInfo_8h__dep__incl.dot Fri Dec 21 00:57:24 2012
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--- www-releases/trunk/3.2/docs/doxygen/html/MBlazeISelDAGToDAG_8cpp_source.html (added)
+++ www-releases/trunk/3.2/docs/doxygen/html/MBlazeISelDAGToDAG_8cpp_source.html Fri Dec 21 00:57:24 2012
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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+<title>LLVM: MBlazeISelDAGToDAG.cpp Source File</title>
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+<p class="title">LLVM API Documentation</p>
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+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_74e9364f374e99e3aeab4fae4e196292.html">lib</a> </li>
+ <li class="navelem"><a class="el" href="dir_8a55ec9894173378e0d08f27f306eeee.html">Target</a> </li>
+ <li class="navelem"><a class="el" href="dir_f975b82d147a340f2ab6ec1753ee61b7.html">MBlaze</a> </li>
+ </ul>
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+</div>
+<div class="header">
+ <div class="headertitle">
+<div class="title">MBlazeISelDAGToDAG.cpp</div> </div>
+</div>
+<div class="contents">
+<a href="MBlazeISelDAGToDAG_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===-- MBlazeISelDAGToDAG.cpp - A dag to dag inst selector for MBlaze ----===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// This file defines an instruction selector for the MBlaze target.</span>
+<a name="l00011"></a>00011 <span class="comment">//</span>
+<a name="l00012"></a>00012 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00013"></a>00013
+<a name="l00014"></a><a class="code" href="MBlazeISelDAGToDAG_8cpp.html#ad78e062f62e0d6e453941fb4ca843e4d">00014</a> <span class="preprocessor">#define DEBUG_TYPE "mblaze-isel"</span>
+<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="MBlaze_8h.html">MBlaze.h</a>"</span>
+<a name="l00016"></a>00016 <span class="preprocessor">#include "<a class="code" href="MBlazeMachineFunction_8h.html">MBlazeMachineFunction.h</a>"</span>
+<a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="MBlazeRegisterInfo_8h.html">MBlazeRegisterInfo.h</a>"</span>
+<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="MBlazeSubtarget_8h.html">MBlazeSubtarget.h</a>"</span>
+<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="MBlazeTargetMachine_8h.html">MBlazeTargetMachine.h</a>"</span>
+<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="GlobalValue_8h.html">llvm/GlobalValue.h</a>"</span>
+<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="Instructions_8h.html">llvm/Instructions.h</a>"</span>
+<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="Intrinsics_8h.html">llvm/Intrinsics.h</a>"</span>
+<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="CFG_8h.html">llvm/Support/CFG.h</a>"</span>
+<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="Type_8h.html">llvm/Type.h</a>"</span>
+<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="MachineConstantPool_8h.html">llvm/CodeGen/MachineConstantPool.h</a>"</span>
+<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="MachineFunction_8h.html">llvm/CodeGen/MachineFunction.h</a>"</span>
+<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="MachineFrameInfo_8h.html">llvm/CodeGen/MachineFrameInfo.h</a>"</span>
+<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="MachineInstrBuilder_8h.html">llvm/CodeGen/MachineInstrBuilder.h</a>"</span>
+<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="MachineRegisterInfo_8h.html">llvm/CodeGen/MachineRegisterInfo.h</a>"</span>
+<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="SelectionDAGISel_8h.html">llvm/CodeGen/SelectionDAGISel.h</a>"</span>
+<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="Target_2TargetMachine_8h.html">llvm/Target/TargetMachine.h</a>"</span>
+<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="Debug_8h.html">llvm/Support/Debug.h</a>"</span>
+<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="ErrorHandling_8h.html">llvm/Support/ErrorHandling.h</a>"</span>
+<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="raw__ostream_8h.html">llvm/Support/raw_ostream.h</a>"</span>
+<a name="l00035"></a>00035 <span class="keyword">using namespace </span>llvm;
+<a name="l00036"></a>00036
+<a name="l00037"></a>00037 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00038"></a>00038 <span class="comment">// Instruction Selector Implementation</span>
+<a name="l00039"></a>00039 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00040"></a>00040
+<a name="l00041"></a>00041 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00042"></a>00042 <span class="comment">// MBlazeDAGToDAGISel - MBlaze specific code to select MBlaze machine</span>
+<a name="l00043"></a>00043 <span class="comment">// instructions for SelectionDAG operations.</span>
+<a name="l00044"></a>00044 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00045"></a>00045 <span class="keyword">namespace </span>{
+<a name="l00046"></a>00046
+<a name="l00047"></a>00047 <span class="keyword">class </span>MBlazeDAGToDAGISel : <span class="keyword">public</span> <a class="code" href="classllvm_1_1SelectionDAGISel.html">SelectionDAGISel</a> {
+<a name="l00048"></a>00048 <span class="comment"></span>
+<a name="l00049"></a>00049 <span class="comment"> /// TM - Keep a reference to MBlazeTargetMachine.</span>
+<a name="l00050"></a>00050 <span class="comment"></span> <a class="code" href="classllvm_1_1MBlazeTargetMachine.html">MBlazeTargetMachine</a> &TM;
+<a name="l00051"></a>00051 <span class="comment"></span>
+<a name="l00052"></a>00052 <span class="comment"> /// Subtarget - Keep a pointer to the MBlazeSubtarget around so that we can</span>
+<a name="l00053"></a>00053 <span class="comment"> /// make the right decision when generating code for different targets.</span>
+<a name="l00054"></a>00054 <span class="comment"></span> <span class="keyword">const</span> <a class="code" href="classllvm_1_1MBlazeSubtarget.html">MBlazeSubtarget</a> &Subtarget;
+<a name="l00055"></a>00055
+<a name="l00056"></a>00056 <span class="keyword">public</span>:
+<a name="l00057"></a>00057 <span class="keyword">explicit</span> MBlazeDAGToDAGISel(<a class="code" href="classllvm_1_1MBlazeTargetMachine.html">MBlazeTargetMachine</a> &tm) :
+<a name="l00058"></a>00058 <a class="code" href="classllvm_1_1SelectionDAGISel.html">SelectionDAGISel</a>(tm),
+<a name="l00059"></a>00059 TM(tm), Subtarget(tm.<a class="code" href="classllvm_1_1TargetMachine.html#a5af2fed99951774b6a14d30ec6e73792">getSubtarget</a><<a class="code" href="classllvm_1_1MBlazeSubtarget.html">MBlazeSubtarget</a>>()) {}
+<a name="l00060"></a>00060
+<a name="l00061"></a>00061 <span class="comment">// Pass Name</span>
+<a name="l00062"></a>00062 <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *getPassName()<span class="keyword"> const </span>{
+<a name="l00063"></a>00063 <span class="keywordflow">return</span> <span class="stringliteral">"MBlaze DAG->DAG Pattern Instruction Selection"</span>;
+<a name="l00064"></a>00064 }
+<a name="l00065"></a>00065 <span class="keyword">private</span>:
+<a name="l00066"></a>00066 <span class="comment">// Include the pieces autogenerated from the target description.</span>
+<a name="l00067"></a>00067 <span class="preprocessor"> #include "MBlazeGenDAGISel.inc"</span>
+<a name="l00068"></a>00068 <span class="comment"></span>
+<a name="l00069"></a>00069 <span class="comment"> /// getTargetMachine - Return a reference to the TargetMachine, casted</span>
+<a name="l00070"></a>00070 <span class="comment"> /// to the target-specific type.</span>
+<a name="l00071"></a>00071 <span class="comment"></span> <span class="keyword">const</span> <a class="code" href="classllvm_1_1MBlazeTargetMachine.html">MBlazeTargetMachine</a> &getTargetMachine() {
+<a name="l00072"></a>00072 <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code" href="classllvm_1_1MBlazeTargetMachine.html">MBlazeTargetMachine</a> &<span class="keyword">></span>(TM);
+<a name="l00073"></a>00073 }
+<a name="l00074"></a>00074 <span class="comment"></span>
+<a name="l00075"></a>00075 <span class="comment"> /// getInstrInfo - Return a reference to the TargetInstrInfo, casted</span>
+<a name="l00076"></a>00076 <span class="comment"> /// to the target-specific type.</span>
+<a name="l00077"></a>00077 <span class="comment"></span> <span class="keyword">const</span> <a class="code" href="classllvm_1_1MBlazeInstrInfo.html">MBlazeInstrInfo</a> *getInstrInfo() {
+<a name="l00078"></a>00078 <span class="keywordflow">return</span> getTargetMachine().getInstrInfo();
+<a name="l00079"></a>00079 }
+<a name="l00080"></a>00080
+<a name="l00081"></a>00081 <a class="code" href="classllvm_1_1SDNode.html">SDNode</a> *getGlobalBaseReg();
+<a name="l00082"></a>00082 <a class="code" href="classllvm_1_1SDNode.html">SDNode</a> *<a class="code" href="namespacellvm.html#af3ab12efdd6b4902d711e72b7a81f13b">Select</a>(<a class="code" href="classllvm_1_1SDNode.html">SDNode</a> *<a class="code" href="regcomp_8c.html#a0240ac851181b84ac374872dc5434ee4">N</a>);
+<a name="l00083"></a>00083
+<a name="l00084"></a>00084 <span class="comment">// Address Selection</span>
+<a name="l00085"></a>00085 <span class="keywordtype">bool</span> SelectAddrRegReg(<a class="code" href="classllvm_1_1SDValue.html">SDValue</a> N, <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> &Base, <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> &Index);
+<a name="l00086"></a>00086 <span class="keywordtype">bool</span> SelectAddrRegImm(<a class="code" href="classllvm_1_1SDValue.html">SDValue</a> N, <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> &Disp, <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> &Base);
+<a name="l00087"></a>00087
+<a name="l00088"></a>00088 <span class="comment">// getI32Imm - Return a target constant with the specified value, of type i32.</span>
+<a name="l00089"></a>00089 <span class="keyword">inline</span> <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> getI32Imm(<span class="keywordtype">unsigned</span> Imm) {
+<a name="l00090"></a>00090 <span class="keywordflow">return</span> CurDAG->getTargetConstant(Imm, <a class="code" href="classllvm_1_1MVT.html#afd69b4f2dff97a2d7c0192cc769ef50ca04cca8bc12888d0a7238f55a6c550ad0">MVT::i32</a>);
+<a name="l00091"></a>00091 }
+<a name="l00092"></a>00092 };
+<a name="l00093"></a>00093
+<a name="l00094"></a>00094 }
+<a name="l00095"></a>00095 <span class="comment"></span>
+<a name="l00096"></a>00096 <span class="comment">/// isIntS32Immediate - This method tests to see if the node is either a 32-bit</span>
+<a name="l00097"></a>00097 <span class="comment">/// or 64-bit immediate, and if the value can be accurately represented as a</span>
+<a name="l00098"></a>00098 <span class="comment">/// sign extension from a 32-bit value. If so, this returns true and the</span>
+<a name="l00099"></a>00099 <span class="comment">/// immediate.</span>
+<a name="l00100"></a><a class="code" href="MBlazeISelDAGToDAG_8cpp.html#aaa81f937058dca65e08dd1c03fc6d6e5">00100</a> <span class="comment"></span><span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="MBlazeISelDAGToDAG_8cpp.html#aaa81f937058dca65e08dd1c03fc6d6e5">isIntS32Immediate</a>(<a class="code" href="classllvm_1_1SDNode.html">SDNode</a> *N, int32_t &Imm) {
+<a name="l00101"></a>00101 <span class="keywordtype">unsigned</span> Opc = N-><a class="code" href="classllvm_1_1SDNode.html#af0d328f3f61168f4ea7d6e4044af4f97">getOpcode</a>();
+<a name="l00102"></a>00102 <span class="keywordflow">if</span> (Opc != <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110aac2f0a84dd2aa5ee4c3f1385e9565f5e">ISD::Constant</a>)
+<a name="l00103"></a>00103 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00104"></a>00104
+<a name="l00105"></a>00105 Imm = (int32_t)cast<ConstantSDNode>(N)->getZExtValue();
+<a name="l00106"></a>00106 <span class="keywordflow">if</span> (N-><a class="code" href="classllvm_1_1SDNode.html#aed0958deb6d25f9fdccd7518e26b50f8">getValueType</a>(0) == <a class="code" href="classllvm_1_1MVT.html#afd69b4f2dff97a2d7c0192cc769ef50ca04cca8bc12888d0a7238f55a6c550ad0">MVT::i32</a>)
+<a name="l00107"></a>00107 <span class="keywordflow">return</span> Imm == (int32_t)cast<ConstantSDNode>(N)->getZExtValue();
+<a name="l00108"></a>00108 <span class="keywordflow">else</span>
+<a name="l00109"></a>00109 <span class="keywordflow">return</span> Imm == (<a class="code" href="classint64__t.html">int64_t</a>)cast<ConstantSDNode>(N)->getZExtValue();
+<a name="l00110"></a>00110 }
+<a name="l00111"></a>00111
+<a name="l00112"></a><a class="code" href="MBlazeISelDAGToDAG_8cpp.html#a0539b93a58669c483d314cadb647e893">00112</a> <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="MBlazeISelDAGToDAG_8cpp.html#aaa81f937058dca65e08dd1c03fc6d6e5">isIntS32Immediate</a>(<a class="code" href="classllvm_1_1SDValue.html">SDValue</a> Op, int32_t &Imm) {
+<a name="l00113"></a>00113 <span class="keywordflow">return</span> <a class="code" href="MBlazeISelDAGToDAG_8cpp.html#aaa81f937058dca65e08dd1c03fc6d6e5">isIntS32Immediate</a>(Op.<a class="code" href="classllvm_1_1SDValue.html#a3fad042e27ba626acf5366c845b352d3" title="get the SDNode which holds the desired result">getNode</a>(), Imm);
+<a name="l00114"></a>00114 }
+<a name="l00115"></a>00115
+<a name="l00116"></a>00116 <span class="comment"></span>
+<a name="l00117"></a>00117 <span class="comment">/// SelectAddressRegReg - Given the specified addressed, check to see if it</span>
+<a name="l00118"></a>00118 <span class="comment">/// can be represented as an indexed [r+r] operation. Returns false if it</span>
+<a name="l00119"></a>00119 <span class="comment">/// can be more efficiently represented with [r+imm].</span>
+<a name="l00120"></a>00120 <span class="comment"></span><span class="keywordtype">bool</span> MBlazeDAGToDAGISel::
+<a name="l00121"></a>00121 SelectAddrRegReg(<a class="code" href="classllvm_1_1SDValue.html">SDValue</a> N, <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> &Base, <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> &Index) {
+<a name="l00122"></a>00122 <span class="keywordflow">if</span> (N.<a class="code" href="classllvm_1_1SDValue.html#a0caf6a31d8034336a9ba7791a5f583f1">getOpcode</a>() == <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a4b437632fd9b97dd36010d85eb363efe">ISD::FrameIndex</a>) <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00123"></a>00123 <span class="keywordflow">if</span> (N.<a class="code" href="classllvm_1_1SDValue.html#a0caf6a31d8034336a9ba7791a5f583f1">getOpcode</a>() == <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a59b314018a929255951f01f8daaae72f">ISD::TargetExternalSymbol</a> ||
+<a name="l00124"></a>00124 N.<a class="code" href="classllvm_1_1SDValue.html#a0caf6a31d8034336a9ba7791a5f583f1">getOpcode</a>() == <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a87b8176af163ee944af127081d24f4a2">ISD::TargetGlobalAddress</a>)
+<a name="l00125"></a>00125 <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// direct calls.</span>
+<a name="l00126"></a>00126
+<a name="l00127"></a>00127 int32_t imm = 0;
+<a name="l00128"></a>00128 <span class="keywordflow">if</span> (N.<a class="code" href="classllvm_1_1SDValue.html#a0caf6a31d8034336a9ba7791a5f583f1">getOpcode</a>() == <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a269996b43a1f3e1d1f84a70fd4387535" title="Simple integer binary arithmetic operators.">ISD::ADD</a> || N.<a class="code" href="classllvm_1_1SDValue.html#a0caf6a31d8034336a9ba7791a5f583f1">getOpcode</a>() == <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a7415ab9f2172c59a2ee7c7a02afa56a4">ISD::OR</a>) {
+<a name="l00129"></a>00129 <span class="keywordflow">if</span> (<a class="code" href="MBlazeISelDAGToDAG_8cpp.html#aaa81f937058dca65e08dd1c03fc6d6e5">isIntS32Immediate</a>(N.<a class="code" href="classllvm_1_1SDValue.html#a5891be2cd50b5b7f01eb7c1cb0e7a682">getOperand</a>(1), imm))
+<a name="l00130"></a>00130 <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// r+i</span>
+<a name="l00131"></a>00131
+<a name="l00132"></a>00132 <span class="keywordflow">if</span> (N.<a class="code" href="classllvm_1_1SDValue.html#a5891be2cd50b5b7f01eb7c1cb0e7a682">getOperand</a>(0).<a class="code" href="classllvm_1_1SDValue.html#a0caf6a31d8034336a9ba7791a5f583f1">getOpcode</a>() == <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a603c0651ff8c3a929c5e1d8b9a8f14cb">ISD::TargetJumpTable</a> ||
+<a name="l00133"></a>00133 N.<a class="code" href="classllvm_1_1SDValue.html#a5891be2cd50b5b7f01eb7c1cb0e7a682">getOperand</a>(1).<a class="code" href="classllvm_1_1SDValue.html#a0caf6a31d8034336a9ba7791a5f583f1">getOpcode</a>() == <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a603c0651ff8c3a929c5e1d8b9a8f14cb">ISD::TargetJumpTable</a>)
+<a name="l00134"></a>00134 <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// jump tables.</span>
+<a name="l00135"></a>00135
+<a name="l00136"></a>00136 Base = N.<a class="code" href="classllvm_1_1SDValue.html#a5891be2cd50b5b7f01eb7c1cb0e7a682">getOperand</a>(0);
+<a name="l00137"></a>00137 Index = N.<a class="code" href="classllvm_1_1SDValue.html#a5891be2cd50b5b7f01eb7c1cb0e7a682">getOperand</a>(1);
+<a name="l00138"></a>00138 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00139"></a>00139 }
+<a name="l00140"></a>00140
+<a name="l00141"></a>00141 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00142"></a>00142 }
+<a name="l00143"></a>00143 <span class="comment"></span>
+<a name="l00144"></a>00144 <span class="comment">/// Returns true if the address N can be represented by a base register plus</span>
+<a name="l00145"></a>00145 <span class="comment">/// a signed 32-bit displacement [r+imm], and if it is not better</span>
+<a name="l00146"></a>00146 <span class="comment">/// represented as reg+reg.</span>
+<a name="l00147"></a>00147 <span class="comment"></span><span class="keywordtype">bool</span> MBlazeDAGToDAGISel::
+<a name="l00148"></a>00148 SelectAddrRegImm(<a class="code" href="classllvm_1_1SDValue.html">SDValue</a> N, <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> &Base, <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> &Disp) {
+<a name="l00149"></a>00149 <span class="comment">// If this can be more profitably realized as r+r, fail.</span>
+<a name="l00150"></a>00150 <span class="keywordflow">if</span> (SelectAddrRegReg(N, Base, Disp))
+<a name="l00151"></a>00151 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+<a name="l00152"></a>00152
+<a name="l00153"></a>00153 <span class="keywordflow">if</span> (N.<a class="code" href="classllvm_1_1SDValue.html#a0caf6a31d8034336a9ba7791a5f583f1">getOpcode</a>() == <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a269996b43a1f3e1d1f84a70fd4387535" title="Simple integer binary arithmetic operators.">ISD::ADD</a> || N.<a class="code" href="classllvm_1_1SDValue.html#a0caf6a31d8034336a9ba7791a5f583f1">getOpcode</a>() == <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a7415ab9f2172c59a2ee7c7a02afa56a4">ISD::OR</a>) {
+<a name="l00154"></a>00154 int32_t imm = 0;
+<a name="l00155"></a>00155 <span class="keywordflow">if</span> (<a class="code" href="MBlazeISelDAGToDAG_8cpp.html#aaa81f937058dca65e08dd1c03fc6d6e5">isIntS32Immediate</a>(N.<a class="code" href="classllvm_1_1SDValue.html#a5891be2cd50b5b7f01eb7c1cb0e7a682">getOperand</a>(1), imm)) {
+<a name="l00156"></a>00156 Disp = CurDAG->getTargetConstant(imm, <a class="code" href="classllvm_1_1MVT.html#afd69b4f2dff97a2d7c0192cc769ef50ca04cca8bc12888d0a7238f55a6c550ad0">MVT::i32</a>);
+<a name="l00157"></a>00157 <span class="keywordflow">if</span> (<a class="code" href="classllvm_1_1FrameIndexSDNode.html">FrameIndexSDNode</a> *FI = dyn_cast<FrameIndexSDNode>(N.<a class="code" href="classllvm_1_1SDValue.html#a5891be2cd50b5b7f01eb7c1cb0e7a682">getOperand</a>(0))) {
+<a name="l00158"></a>00158 Base = CurDAG->getTargetFrameIndex(FI->getIndex(), N.<a class="code" href="classllvm_1_1SDValue.html#a7d2ad4aa4277eb4e1138ff9791c8fbb7">getValueType</a>());
+<a name="l00159"></a>00159 } <span class="keywordflow">else</span> {
+<a name="l00160"></a>00160 Base = N.<a class="code" href="classllvm_1_1SDValue.html#a5891be2cd50b5b7f01eb7c1cb0e7a682">getOperand</a>(0);
+<a name="l00161"></a>00161 }
+<a name="l00162"></a>00162 <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// [r+i]</span>
+<a name="l00163"></a>00163 }
+<a name="l00164"></a>00164 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classllvm_1_1ConstantSDNode.html">ConstantSDNode</a> *CN = dyn_cast<ConstantSDNode>(N)) {
+<a name="l00165"></a>00165 <span class="comment">// Loading from a constant address.</span>
+<a name="l00166"></a>00166 uint32_t Imm = CN->getZExtValue();
+<a name="l00167"></a>00167 Disp = CurDAG->getTargetConstant(Imm, CN->getValueType(0));
+<a name="l00168"></a>00168 Base = CurDAG->getRegister(MBlaze::R0, CN->getValueType(0));
+<a name="l00169"></a>00169 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+<a name="l00170"></a>00170 }
+<a name="l00171"></a>00171
+<a name="l00172"></a>00172 Disp = CurDAG->getTargetConstant(0, TM.getTargetLowering()->getPointerTy());
+<a name="l00173"></a>00173 <span class="keywordflow">if</span> (<a class="code" href="classllvm_1_1FrameIndexSDNode.html">FrameIndexSDNode</a> *FI = dyn_cast<FrameIndexSDNode>(N))
+<a name="l00174"></a>00174 Base = CurDAG->getTargetFrameIndex(FI->getIndex(), N.<a class="code" href="classllvm_1_1SDValue.html#a7d2ad4aa4277eb4e1138ff9791c8fbb7">getValueType</a>());
+<a name="l00175"></a>00175 <span class="keywordflow">else</span>
+<a name="l00176"></a>00176 Base = N;
+<a name="l00177"></a>00177 <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// [r+0]</span>
+<a name="l00178"></a>00178 }
+<a name="l00179"></a>00179 <span class="comment"></span>
+<a name="l00180"></a>00180 <span class="comment">/// getGlobalBaseReg - Output the instructions required to put the</span>
+<a name="l00181"></a>00181 <span class="comment">/// GOT address into a register.</span>
+<a name="l00182"></a>00182 <span class="comment"></span><a class="code" href="classllvm_1_1SDNode.html">SDNode</a> *MBlazeDAGToDAGISel::getGlobalBaseReg() {
+<a name="l00183"></a>00183 <span class="keywordtype">unsigned</span> <a class="code" href="namespacellvm_1_1PPCISD.html#a69ad64696d1df3be05f01dfb67f5bc66a9e4500d93af7f70fdff992d9d748559d">GlobalBaseReg</a> = getInstrInfo()->getGlobalBaseReg(MF);
+<a name="l00184"></a>00184 <span class="keywordflow">return</span> CurDAG->getRegister(GlobalBaseReg, TLI.getPointerTy()).getNode();
+<a name="l00185"></a>00185 }
+<a name="l00186"></a>00186 <span class="comment"></span>
+<a name="l00187"></a>00187 <span class="comment">/// Select instructions not customized! Used for</span>
+<a name="l00188"></a>00188 <span class="comment">/// expanded, promoted and normal instructions</span>
+<a name="l00189"></a>00189 <span class="comment"></span><a class="code" href="classllvm_1_1SDNode.html">SDNode</a>* <a class="code" href="namespacellvm.html#af3ab12efdd6b4902d711e72b7a81f13b">MBlazeDAGToDAGISel::Select</a>(<a class="code" href="classllvm_1_1SDNode.html">SDNode</a> *Node) {
+<a name="l00190"></a>00190 <span class="keywordtype">unsigned</span> Opcode = Node-><a class="code" href="classllvm_1_1SDNode.html#af0d328f3f61168f4ea7d6e4044af4f97">getOpcode</a>();
+<a name="l00191"></a>00191 <a class="code" href="classllvm_1_1DebugLoc.html">DebugLoc</a> dl = Node-><a class="code" href="classllvm_1_1SDNode.html#a630d6793e4444e4996dfa80f1fce18c8" title="getDebugLoc - Return the source location info.">getDebugLoc</a>();
+<a name="l00192"></a>00192
+<a name="l00193"></a>00193 <span class="comment">// If we have a custom node, we already have selected!</span>
+<a name="l00194"></a>00194 <span class="keywordflow">if</span> (Node-><a class="code" href="classllvm_1_1SDNode.html#a7ef138746b04be6d07091b9ba49d74da">isMachineOpcode</a>())
+<a name="l00195"></a>00195 <span class="keywordflow">return</span> NULL;
+<a name="l00196"></a>00196 <span class="comment"></span>
+<a name="l00197"></a>00197 <span class="comment"> ///</span>
+<a name="l00198"></a>00198 <span class="comment"></span> <span class="comment">// Instruction Selection not handled by the auto-generated</span>
+<a name="l00199"></a>00199 <span class="comment">// tablegen selection should be handled here.</span><span class="comment"></span>
+<a name="l00200"></a>00200 <span class="comment"> ///</span>
+<a name="l00201"></a>00201 <span class="comment"></span> <span class="keywordflow">switch</span> (Opcode) {
+<a name="l00202"></a>00202 <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;
+<a name="l00203"></a>00203
+<a name="l00204"></a>00204 <span class="comment">// Get target GOT address.</span>
+<a name="l00205"></a>00205 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110aaef4ead62e1835b863820f6c818c36ac" title="The address of the GOT.">ISD::GLOBAL_OFFSET_TABLE</a>:
+<a name="l00206"></a>00206 <span class="keywordflow">return</span> getGlobalBaseReg();
+<a name="l00207"></a>00207
+<a name="l00208"></a>00208 <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1ISD.html#a22ea9cec080dd5f4f47ba234c2f59110a4b437632fd9b97dd36010d85eb363efe">ISD::FrameIndex</a>: {
+<a name="l00209"></a>00209 <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> imm = CurDAG->getTargetConstant(0, <a class="code" href="classllvm_1_1MVT.html#afd69b4f2dff97a2d7c0192cc769ef50ca04cca8bc12888d0a7238f55a6c550ad0">MVT::i32</a>);
+<a name="l00210"></a>00210 <span class="keywordtype">int</span> FI = <a class="code" href="namespacellvm.html#a8d8db3a5b2508f7086ef2d43036007b3">dyn_cast</a><<a class="code" href="classllvm_1_1FrameIndexSDNode.html">FrameIndexSDNode</a>>(Node)->getIndex();
+<a name="l00211"></a>00211 <a class="code" href="structllvm_1_1EVT.html">EVT</a> VT = Node-><a class="code" href="classllvm_1_1SDNode.html#aed0958deb6d25f9fdccd7518e26b50f8">getValueType</a>(0);
+<a name="l00212"></a>00212 <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> TFI = CurDAG->getTargetFrameIndex(FI, VT);
+<a name="l00213"></a>00213 <span class="keywordtype">unsigned</span> Opc = MBlaze::ADDIK;
+<a name="l00214"></a>00214 <span class="keywordflow">if</span> (Node-><a class="code" href="classllvm_1_1SDNode.html#a52753947fce3a01b1c18dd4713c587e8">hasOneUse</a>())
+<a name="l00215"></a>00215 <span class="keywordflow">return</span> CurDAG->SelectNodeTo(Node, Opc, VT, TFI, imm);
+<a name="l00216"></a>00216 <span class="keywordflow">return</span> CurDAG->getMachineNode(Opc, dl, VT, TFI, imm);
+<a name="l00217"></a>00217 }
+<a name="l00218"></a>00218
+<a name="l00219"></a>00219 <span class="comment"></span>
+<a name="l00220"></a>00220 <span class="comment"> /// Handle direct and indirect calls when using PIC. On PIC, when</span>
+<a name="l00221"></a>00221 <span class="comment"> /// GOT is smaller than about 64k (small code) the GA target is</span>
+<a name="l00222"></a>00222 <span class="comment"> /// loaded with only one instruction. Otherwise GA's target must</span>
+<a name="l00223"></a>00223 <span class="comment"> /// be loaded with 3 instructions.</span>
+<a name="l00224"></a>00224 <span class="comment"></span> <span class="keywordflow">case</span> <a class="code" href="namespacellvm_1_1MBlazeISD.html#a4cbef502356ec86269d324dc7be5cbf7a61890dfa83aaea179b9063d02ed1ede0">MBlazeISD::JmpLink</a>: {
+<a name="l00225"></a>00225 <span class="keywordflow">if</span> (TM.getRelocationModel() == <a class="code" href="namespacellvm_1_1Reloc.html#af59f6dc86e80aaf56f1afd155eebf568adc2075e13a68142b26e05ac08bbfc320">Reloc::PIC_</a>) {
+<a name="l00226"></a>00226 <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> Chain = Node-><a class="code" href="classllvm_1_1SDNode.html#a836c27481205f56e708fe0c15538d5ff">getOperand</a>(0);
+<a name="l00227"></a>00227 <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> Callee = Node-><a class="code" href="classllvm_1_1SDNode.html#a836c27481205f56e708fe0c15538d5ff">getOperand</a>(1);
+<a name="l00228"></a>00228 <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> R20Reg = CurDAG->getRegister(MBlaze::R20, <a class="code" href="classllvm_1_1MVT.html#afd69b4f2dff97a2d7c0192cc769ef50ca04cca8bc12888d0a7238f55a6c550ad0">MVT::i32</a>);
+<a name="l00229"></a>00229 <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> InFlag(0, 0);
+<a name="l00230"></a>00230
+<a name="l00231"></a>00231 <span class="keywordflow">if</span> ((isa<GlobalAddressSDNode>(Callee)) ||
+<a name="l00232"></a>00232 (isa<ExternalSymbolSDNode>(Callee)))
+<a name="l00233"></a>00233 {<span class="comment"></span>
+<a name="l00234"></a>00234 <span class="comment"> /// Direct call for global addresses and external symbols</span>
+<a name="l00235"></a>00235 <span class="comment"></span> <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> GPReg = CurDAG->getRegister(MBlaze::R15, <a class="code" href="classllvm_1_1MVT.html#afd69b4f2dff97a2d7c0192cc769ef50ca04cca8bc12888d0a7238f55a6c550ad0">MVT::i32</a>);
+<a name="l00236"></a>00236
+<a name="l00237"></a>00237 <span class="comment">// Use load to get GOT target</span>
+<a name="l00238"></a>00238 <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> Ops[] = { Callee, GPReg, Chain };
+<a name="l00239"></a>00239 <a class="code" href="classllvm_1_1SDValue.html">SDValue</a> <a class="code" href="namespacellvm_1_1SPII.html#add994c36633ba2d8f6a1366b775e88a6a5069619ca8fdce305534f3fe85091a0f">Load</a> = <a class="code" href="classllvm_1_1SDValue.html">SDValue</a>(CurDAG->getMachineNode(MBlaze::LW, dl,
+<a name="l00240"></a>00240 <a class="code" href="classllvm_1_1MVT.html#afd69b4f2dff97a2d7c0192cc769ef50ca04cca8bc12888d0a7238f55a6c550ad0">MVT::i32</a>, <a class="code" href="classllvm_1_1MVT.html#afd69b4f2dff97a2d7c0192cc769ef50ca62a222acce6360abd2726719fabc2797">MVT::Other</a>, Ops, 3), 0);
+<a name="l00241"></a>00241 Chain = Load.<a class="code" href="classllvm_1_1SDValue.html#a040481b9bda32faa6b1435532405d88f">getValue</a>(1);
+<a name="l00242"></a>00242
+<a name="l00243"></a>00243 <span class="comment">// Call target must be on T9</span>
+<a name="l00244"></a>00244 Chain = CurDAG->getCopyToReg(Chain, dl, R20Reg, Load, InFlag);
+<a name="l00245"></a>00245 } <span class="keywordflow">else</span><span class="comment"></span>
+<a name="l00246"></a>00246 <span class="comment"> /// Indirect call</span>
+<a name="l00247"></a>00247 <span class="comment"></span> Chain = CurDAG->getCopyToReg(Chain, dl, R20Reg, Callee, InFlag);
+<a name="l00248"></a>00248
+<a name="l00249"></a>00249 <span class="comment">// Emit Jump and Link Register</span>
+<a name="l00250"></a>00250 <a class="code" href="classllvm_1_1SDNode.html">SDNode</a> *ResNode = CurDAG->getMachineNode(MBlaze::BRLID, dl, <a class="code" href="classllvm_1_1MVT.html#afd69b4f2dff97a2d7c0192cc769ef50ca62a222acce6360abd2726719fabc2797">MVT::Other</a>,
+<a name="l00251"></a>00251 <a class="code" href="classllvm_1_1MVT.html#afd69b4f2dff97a2d7c0192cc769ef50ca59a1908cf136662bcfdc11ed49515ca9">MVT::Glue</a>, R20Reg, Chain);
+<a name="l00252"></a>00252 Chain = <a class="code" href="classllvm_1_1SDValue.html">SDValue</a>(ResNode, 0);
+<a name="l00253"></a>00253 InFlag = <a class="code" href="classllvm_1_1SDValue.html">SDValue</a>(ResNode, 1);
+<a name="l00254"></a>00254 ReplaceUses(<a class="code" href="classllvm_1_1SDValue.html">SDValue</a>(Node, 0), Chain);
+<a name="l00255"></a>00255 ReplaceUses(<a class="code" href="classllvm_1_1SDValue.html">SDValue</a>(Node, 1), InFlag);
+<a name="l00256"></a>00256 <span class="keywordflow">return</span> ResNode;
+<a name="l00257"></a>00257 }
+<a name="l00258"></a>00258 }
+<a name="l00259"></a>00259 }
+<a name="l00260"></a>00260
+<a name="l00261"></a>00261 <span class="comment">// Select the default instruction</span>
+<a name="l00262"></a>00262 <a class="code" href="classllvm_1_1SDNode.html">SDNode</a> *ResNode = SelectCode(Node);
+<a name="l00263"></a>00263
+<a name="l00264"></a>00264 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#ab8e34eca3b0817ef7a127913fbf6d9e4">errs</a>() << <span class="stringliteral">"=> "</span>);
+<a name="l00265"></a>00265 <span class="keywordflow">if</span> (ResNode == NULL || ResNode == Node)
+<a name="l00266"></a>00266 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(Node-><a class="code" href="classllvm_1_1SDNode.html#a535ca517df1b4ae62e75475141e65787" title="dump - Dump this node, for debugging.">dump</a>(CurDAG));
+<a name="l00267"></a>00267 <span class="keywordflow">else</span>
+<a name="l00268"></a>00268 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(ResNode-><a class="code" href="classllvm_1_1SDNode.html#a535ca517df1b4ae62e75475141e65787" title="dump - Dump this node, for debugging.">dump</a>(CurDAG));
+<a name="l00269"></a>00269 <a class="code" href="Debug_8h.html#aef41e8aaf4c60819b30faf396cdf4978">DEBUG</a>(<a class="code" href="namespacellvm.html#ab8e34eca3b0817ef7a127913fbf6d9e4">errs</a>() << <span class="stringliteral">"\n"</span>);
+<a name="l00270"></a>00270 <span class="keywordflow">return</span> ResNode;
+<a name="l00271"></a>00271 }
+<a name="l00272"></a>00272 <span class="comment"></span>
+<a name="l00273"></a>00273 <span class="comment">/// createMBlazeISelDag - This pass converts a legalized DAG into a</span>
+<a name="l00274"></a>00274 <span class="comment">/// MBlaze-specific DAG, ready for instruction scheduling.</span>
+<a name="l00275"></a><a class="code" href="namespacellvm.html#a55f23752ba7ddda6f81adab78a7affba">00275</a> <span class="comment"></span><a class="code" href="classllvm_1_1FunctionPass.html">FunctionPass</a> *<a class="code" href="namespacellvm.html#a55f23752ba7ddda6f81adab78a7affba">llvm::createMBlazeISelDag</a>(<a class="code" href="classllvm_1_1MBlazeTargetMachine.html">MBlazeTargetMachine</a> &TM) {
+<a name="l00276"></a>00276 <span class="keywordflow">return</span> <span class="keyword">new</span> MBlazeDAGToDAGISel(TM);
+<a name="l00277"></a>00277 }
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:44 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
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+
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--- www-releases/trunk/3.2/docs/doxygen/html/MBlazeISelLowering_8h.html (added)
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+<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
+<meta name="keywords" content="LLVM,Low Level Virtual Machine,C++,doxygen,API,documentation"/>
+<meta name="description" content="C++ source code API documentation for LLVM."/>
+<title>LLVM: MBlazeISelLowering.h File Reference</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css"/>
+</head><body>
+<p class="title">LLVM API Documentation</p>
+<!-- Generated by Doxygen 1.7.5.1 -->
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+ <ul class="tablist">
+ <li><a href="index.html"><span>Main Page</span></a></li>
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+ <li><a href="annotated.html"><span>Classes</span></a></li>
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+ </ul>
+ </div>
+ <div id="navrow2" class="tabs2">
+ <ul class="tablist">
+ <li><a href="files.html"><span>File List</span></a></li>
+ <li><a href="globals.html"><span>File Members</span></a></li>
+ </ul>
+ </div>
+ <div id="nav-path" class="navpath">
+ <ul>
+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
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+ <li class="navelem"><a class="el" href="dir_8a55ec9894173378e0d08f27f306eeee.html">Target</a> </li>
+ <li class="navelem"><a class="el" href="dir_f975b82d147a340f2ab6ec1753ee61b7.html">MBlaze</a> </li>
+ </ul>
+ </div>
+</div>
+<div class="header">
+ <div class="summary">
+<a href="#nested-classes">Classes</a> |
+<a href="#namespaces">Namespaces</a> |
+<a href="#enum-members">Enumerations</a> |
+<a href="#func-members">Functions</a> </div>
+ <div class="headertitle">
+<div class="title">MBlazeISelLowering.h File Reference</div> </div>
+</div>
+<div class="contents">
+<div class="textblock"><code>#include "<a class="el" href="MBlaze_8h_source.html">MBlaze.h</a>"</code><br/>
+<code>#include "<a class="el" href="MBlazeSubtarget_8h_source.html">MBlazeSubtarget.h</a>"</code><br/>
+<code>#include "<a class="el" href="ErrorHandling_8h_source.html">llvm/Support/ErrorHandling.h</a>"</code><br/>
+<code>#include "<a class="el" href="SelectionDAG_8h_source.html">llvm/CodeGen/SelectionDAG.h</a>"</code><br/>
+<code>#include "<a class="el" href="TargetLowering_8h_source.html">llvm/Target/TargetLowering.h</a>"</code><br/>
+</div><div class="textblock"><div class="dynheader">
+Include dependency graph for MBlazeISelLowering.h:</div>
+<div class="dyncontent">
+<div class="center"><img src="MBlazeISelLowering_8h__incl.png" border="0" usemap="#MBlazeISelLowering_8h" alt=""/></div>
+<!-- MAP 0 -->
+</div>
+</div><div class="textblock"><div class="dynheader">
+This graph shows which files directly or indirectly include this file:</div>
+<div class="dyncontent">
+<div class="center"><img src="MBlazeISelLowering_8h__dep__incl.png" border="0" usemap="#MBlazeISelLowering_8hdep" alt=""/></div>
+<!-- MAP 1 -->
+</div>
+</div>
+<p><a href="MBlazeISelLowering_8h_source.html">Go to the source code of this file.</a></p>
+<table class="memberdecls">
+<tr><td colspan="2"><h2><a name="nested-classes"></a>
+Classes</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classllvm_1_1MBlazeTargetLowering.html">llvm::MBlazeTargetLowering</a></td></tr>
+<tr><td colspan="2"><h2><a name="namespaces"></a>
+Namespaces</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">namespace </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacellvm.html">llvm</a></td></tr>
+<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>List of target independent CodeGen pass IDs. </p>
+<br/></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">namespace </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacellvm_1_1MBlazeCC.html">llvm::MBlazeCC</a></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">namespace </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacellvm_1_1MBlazeISD.html">llvm::MBlazeISD</a></td></tr>
+<tr><td colspan="2"><h2><a name="enum-members"></a>
+Enumerations</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacellvm_1_1MBlazeCC.html#aba42d64ed60fd2a2e8045b6d7f26958d">llvm::MBlazeCC::CC</a> { <br/>
+ <a class="el" href="namespacellvm_1_1MBlazeCC.html#aba42d64ed60fd2a2e8045b6d7f26958dacba70d93f64d47efb4536408c5b930c1">llvm::MBlazeCC::FIRST</a> = 0,
+<a class="el" href="namespacellvm_1_1MBlazeCC.html#aba42d64ed60fd2a2e8045b6d7f26958da803e9659cf1f547193b57bfe2f1725d1">llvm::MBlazeCC::EQ</a>,
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+ <a class="el" href="namespacellvm_1_1MBlazeCC.html#aba42d64ed60fd2a2e8045b6d7f26958da98032688b24e60863d2dbc991a6abe54">llvm::MBlazeCC::LT</a>,
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+<br/>
+ }</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacellvm_1_1MBlazeISD.html#a4cbef502356ec86269d324dc7be5cbf7">llvm::MBlazeISD::NodeType</a> { <br/>
+ <a class="el" href="namespacellvm_1_1MBlazeISD.html#a4cbef502356ec86269d324dc7be5cbf7aea05194c2affd967451bcbffaeee92f3">llvm::MBlazeISD::FIRST_NUMBER</a> = ISD::BUILTIN_OP_END,
+<a class="el" href="namespacellvm_1_1MBlazeISD.html#a4cbef502356ec86269d324dc7be5cbf7a61890dfa83aaea179b9063d02ed1ede0">llvm::MBlazeISD::JmpLink</a>,
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+<br/>
+ <a class="el" href="namespacellvm_1_1MBlazeISD.html#a4cbef502356ec86269d324dc7be5cbf7aa5369eef41800fa571102494951b09f7">llvm::MBlazeISD::Wrap</a>,
+<a class="el" href="namespacellvm_1_1MBlazeISD.html#a4cbef502356ec86269d324dc7be5cbf7ac6446e23268defa36446d12ea6e205c0">llvm::MBlazeISD::ICmp</a>,
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+ }</td></tr>
+<tr><td colspan="2"><h2><a name="func-members"></a>
+Functions</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static CC </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacellvm_1_1MBlazeCC.html#ad26dc00ca404fb8b4edb35eb66c6394c">llvm::MBlazeCC::getOppositeCondition</a> (CC cc)</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="classchar.html">char</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacellvm_1_1MBlazeCC.html#a398fe326fadee0197a7e2d0393c17d8e">llvm::MBlazeCC::MBlazeCCToString</a> (CC cc)</td></tr>
+</table>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:39:31 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
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+ <li class="navelem"><a class="el" href="dir_b41d254693bea6e92988e5bb1ad97e02.html">llvm-3.2.src</a> </li>
+ <li class="navelem"><a class="el" href="dir_74e9364f374e99e3aeab4fae4e196292.html">lib</a> </li>
+ <li class="navelem"><a class="el" href="dir_8a55ec9894173378e0d08f27f306eeee.html">Target</a> </li>
+ <li class="navelem"><a class="el" href="dir_f975b82d147a340f2ab6ec1753ee61b7.html">MBlaze</a> </li>
+ <li class="navelem"><a class="el" href="dir_2a15a6cf796d75cac59d407339e38772.html">InstPrinter</a> </li>
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+<div class="header">
+ <div class="headertitle">
+<div class="title">MBlazeInstPrinter.cpp</div> </div>
+</div>
+<div class="contents">
+<a href="MBlazeInstPrinter_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//===-- MBlazeInstPrinter.cpp - Convert MBlaze MCInst to assembly syntax --===//</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// The LLVM Compiler Infrastructure</span>
+<a name="l00004"></a>00004 <span class="comment">//</span>
+<a name="l00005"></a>00005 <span class="comment">// This file is distributed under the University of Illinois Open Source</span>
+<a name="l00006"></a>00006 <span class="comment">// License. See LICENSE.TXT for details.</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// This class prints an MBlaze MCInst to a .s file.</span>
+<a name="l00011"></a>00011 <span class="comment">//</span>
+<a name="l00012"></a>00012 <span class="comment">//===----------------------------------------------------------------------===//</span>
+<a name="l00013"></a>00013
+<a name="l00014"></a><a class="code" href="MBlazeInstPrinter_8cpp.html#ad78e062f62e0d6e453941fb4ca843e4d">00014</a> <span class="preprocessor">#define DEBUG_TYPE "asm-printer"</span>
+<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="MBlaze_8h.html">MBlaze.h</a>"</span>
+<a name="l00016"></a>00016 <span class="preprocessor">#include "<a class="code" href="MBlazeInstPrinter_8h.html">MBlazeInstPrinter.h</a>"</span>
+<a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="MCInst_8h.html">llvm/MC/MCInst.h</a>"</span>
+<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="MCAsmInfo_8h.html">llvm/MC/MCAsmInfo.h</a>"</span>
+<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="MCExpr_8h.html">llvm/MC/MCExpr.h</a>"</span>
+<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="ErrorHandling_8h.html">llvm/Support/ErrorHandling.h</a>"</span>
+<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="FormattedStream_8h.html">llvm/Support/FormattedStream.h</a>"</span>
+<a name="l00022"></a>00022 <span class="keyword">using namespace </span>llvm;
+<a name="l00023"></a>00023
+<a name="l00024"></a>00024
+<a name="l00025"></a>00025 <span class="comment">// Include the auto-generated portion of the assembly writer.</span>
+<a name="l00026"></a>00026 <span class="preprocessor">#include "MBlazeGenAsmWriter.inc"</span>
+<a name="l00027"></a>00027
+<a name="l00028"></a><a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a46e8ee829b75f4f4cdf623ef5363df0b">00028</a> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a46e8ee829b75f4f4cdf623ef5363df0b">MBlazeInstPrinter::printInst</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MCInst.html">MCInst</a> *<a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>, <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O,
+<a name="l00029"></a>00029 <a class="code" href="classllvm_1_1StringRef.html">StringRef</a> Annot) {
+<a name="l00030"></a>00030 <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a2d92117fce8d2c52d21882c2f6e646b2">printInstruction</a>(MI, O);
+<a name="l00031"></a>00031 <a class="code" href="classllvm_1_1MCInstPrinter.html#aab90c946a08959c165433b2c125895ea" title="Utility function for printing annotations.">printAnnotation</a>(O, Annot);
+<a name="l00032"></a>00032 }
+<a name="l00033"></a>00033
+<a name="l00034"></a><a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a489ad0300f1d722507dc9bf2cdbf82c2">00034</a> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a489ad0300f1d722507dc9bf2cdbf82c2">MBlazeInstPrinter::printOperand</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MCInst.html">MCInst</a> *<a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>, <span class="keywordtype">unsigned</span> OpNo,
+<a name="l00035"></a>00035 <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O, <span class="keyword">const</span> <span class="keywordtype">char</span> *Modifier) {
+<a name="l00036"></a>00036 assert((Modifier == 0 || Modifier[0] == 0) && <span class="stringliteral">"No modifiers supported"</span>);
+<a name="l00037"></a>00037 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCOperand.html">MCOperand</a> &Op = MI-><a class="code" href="classllvm_1_1MCInst.html#a82523248f1c8145141a026cf3e57cf48">getOperand</a>(OpNo);
+<a name="l00038"></a>00038 <span class="keywordflow">if</span> (Op.<a class="code" href="classllvm_1_1MCOperand.html#a8951582e9d598a757b9e07e3e178c578">isReg</a>()) {
+<a name="l00039"></a>00039 O << <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#ae2c9b40f3c6c6188638d7b2e4fc63e22">getRegisterName</a>(Op.<a class="code" href="classllvm_1_1MCOperand.html#a291c2118315720369e2c74913435c835" title="getReg - Returns the register number.">getReg</a>());
+<a name="l00040"></a>00040 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Op.<a class="code" href="classllvm_1_1MCOperand.html#a55eeb71ac0e60e12cb37f99e984bda81">isImm</a>()) {
+<a name="l00041"></a>00041 O << (int32_t)Op.<a class="code" href="classllvm_1_1MCOperand.html#a650484333896fc7e8485cfa30f6d7ad5">getImm</a>();
+<a name="l00042"></a>00042 } <span class="keywordflow">else</span> {
+<a name="l00043"></a>00043 assert(Op.<a class="code" href="classllvm_1_1MCOperand.html#aae789dd5c5d7cd72d506a2ee66a7053f">isExpr</a>() && <span class="stringliteral">"unknown operand kind in printOperand"</span>);
+<a name="l00044"></a>00044 O << *Op.<a class="code" href="classllvm_1_1MCOperand.html#a89ba9ada9753995d37920bd8a8c02662">getExpr</a>();
+<a name="l00045"></a>00045 }
+<a name="l00046"></a>00046 }
+<a name="l00047"></a>00047
+<a name="l00048"></a><a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a828e89f032f03026c84d615b85f8fbcc">00048</a> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a828e89f032f03026c84d615b85f8fbcc">MBlazeInstPrinter::printFSLImm</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MCInst.html">MCInst</a> *<a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>, <span class="keywordtype">int</span> OpNo,
+<a name="l00049"></a>00049 <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O) {
+<a name="l00050"></a>00050 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCOperand.html">MCOperand</a> &MO = MI-><a class="code" href="classllvm_1_1MCInst.html#a82523248f1c8145141a026cf3e57cf48">getOperand</a>(OpNo);
+<a name="l00051"></a>00051 <span class="keywordflow">if</span> (MO.<a class="code" href="classllvm_1_1MCOperand.html#a55eeb71ac0e60e12cb37f99e984bda81">isImm</a>())
+<a name="l00052"></a>00052 O << <span class="stringliteral">"rfsl"</span> << MO.<a class="code" href="classllvm_1_1MCOperand.html#a650484333896fc7e8485cfa30f6d7ad5">getImm</a>();
+<a name="l00053"></a>00053 <span class="keywordflow">else</span>
+<a name="l00054"></a>00054 <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a489ad0300f1d722507dc9bf2cdbf82c2">printOperand</a>(MI, OpNo, O, NULL);
+<a name="l00055"></a>00055 }
+<a name="l00056"></a>00056
+<a name="l00057"></a><a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a341208d30dbdbd63c67121c19245e717">00057</a> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a341208d30dbdbd63c67121c19245e717">MBlazeInstPrinter::printUnsignedImm</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MCInst.html">MCInst</a> *<a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>, <span class="keywordtype">int</span> OpNo,
+<a name="l00058"></a>00058 <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O) {
+<a name="l00059"></a>00059 <span class="keyword">const</span> <a class="code" href="classllvm_1_1MCOperand.html">MCOperand</a> &MO = MI-><a class="code" href="classllvm_1_1MCInst.html#a82523248f1c8145141a026cf3e57cf48">getOperand</a>(OpNo);
+<a name="l00060"></a>00060 <span class="keywordflow">if</span> (MO.<a class="code" href="classllvm_1_1MCOperand.html#a55eeb71ac0e60e12cb37f99e984bda81">isImm</a>())
+<a name="l00061"></a>00061 O << (uint32_t)MO.<a class="code" href="classllvm_1_1MCOperand.html#a650484333896fc7e8485cfa30f6d7ad5">getImm</a>();
+<a name="l00062"></a>00062 <span class="keywordflow">else</span>
+<a name="l00063"></a>00063 <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a489ad0300f1d722507dc9bf2cdbf82c2">printOperand</a>(MI, OpNo, O, NULL);
+<a name="l00064"></a>00064 }
+<a name="l00065"></a>00065
+<a name="l00066"></a><a class="code" href="classllvm_1_1MBlazeInstPrinter.html#ac086c4a7c98609e5b8ab1c22d3c3bb0f">00066</a> <span class="keywordtype">void</span> <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#ac086c4a7c98609e5b8ab1c22d3c3bb0f">MBlazeInstPrinter::printMemOperand</a>(<span class="keyword">const</span> <a class="code" href="classllvm_1_1MCInst.html">MCInst</a> *<a class="code" href="namespacellvm_1_1ARMCC.html#ac8391dd6b8083baa870dee5142ff22b6af6284b830f5e4fe2a8ddb9ff1a25ee46">MI</a>, <span class="keywordtype">int</span> OpNo,
+<a name="l00067"></a>00067 <a class="code" href="classllvm_1_1raw__ostream.html">raw_ostream</a> &O, <span class="keyword">const</span> <span class="keywordtype">char</span> *Modifier) {
+<a name="l00068"></a>00068 <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a489ad0300f1d722507dc9bf2cdbf82c2">printOperand</a>(MI, OpNo, O, NULL);
+<a name="l00069"></a>00069 O << <span class="stringliteral">", "</span>;
+<a name="l00070"></a>00070 <a class="code" href="classllvm_1_1MBlazeInstPrinter.html#a489ad0300f1d722507dc9bf2cdbf82c2">printOperand</a>(MI, OpNo+1, O, NULL);
+<a name="l00071"></a>00071 }
+</pre></div></div>
+</div>
+<hr>
+<p class="footer">
+Generated on Fri Dec 21 2012 00:35:44 for <a href="http://llvm.org/">LLVM</a> by
+<a href="http://www.doxygen.org"><img src="doxygen.png" alt="Doxygen"
+align="middle" border="0"/>1.7.5.1</a><br>
+Copyright © 2003-2012 University of Illinois at Urbana-Champaign.
+All Rights Reserved.</p>
+
+<hr>
+<!--#include virtual="/attrib.incl" -->
+
+</body>
+</html>
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