[llvm-commits] [llvm] r164747 - in /llvm/trunk/lib/Target/Mips: CMakeLists.txt Makefile MipsAsmPrinter.cpp MipsAsmPrinter.h MipsMCInstLower.h

[Akira Hatanaka]

Author: ahatanak
Date: Wed Sep 26 20:59:07 2012
New Revision: 164747

URL: http://llvm.org/viewvc/llvm-project?rev=164747&view=rev
Log:
MIPS DSP: add code necessary for pseudo instruction lowering.

Modified:
    llvm/trunk/lib/Target/Mips/CMakeLists.txt
    llvm/trunk/lib/Target/Mips/Makefile
    llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp
    llvm/trunk/lib/Target/Mips/MipsAsmPrinter.h
    llvm/trunk/lib/Target/Mips/MipsMCInstLower.h

Modified: llvm/trunk/lib/Target/Mips/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/CMakeLists.txt?rev=164747&r1=164746&r2=164747&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/CMakeLists.txt (original)
+++ llvm/trunk/lib/Target/Mips/CMakeLists.txt Wed Sep 26 20:59:07 2012
@@ -11,6 +11,7 @@
 tablegen(LLVM MipsGenSubtargetInfo.inc -gen-subtarget)
 tablegen(LLVM MipsGenEDInfo.inc -gen-enhanced-disassembly-info)
 tablegen(LLVM MipsGenAsmMatcher.inc -gen-asm-matcher)
+tablegen(LLVM MipsGenMCPseudoLowering.inc -gen-pseudo-lowering)
 add_public_tablegen_target(MipsCommonTableGen)
 
 add_llvm_target(MipsCodeGen

Modified: llvm/trunk/lib/Target/Mips/Makefile
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Makefile?rev=164747&r1=164746&r2=164747&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/Makefile (original)
+++ llvm/trunk/lib/Target/Mips/Makefile Wed Sep 26 20:59:07 2012
@@ -17,7 +17,7 @@
                 MipsGenDAGISel.inc MipsGenCallingConv.inc \
                 MipsGenSubtargetInfo.inc MipsGenMCCodeEmitter.inc \
                 MipsGenEDInfo.inc MipsGenDisassemblerTables.inc \
-                MipsGenAsmMatcher.inc
+                MipsGenMCPseudoLowering.inc MipsGenAsmMatcher.inc
 
 DIRS = InstPrinter Disassembler AsmParser TargetInfo MCTargetDesc
 

Modified: llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp?rev=164747&r1=164746&r2=164747&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp Wed Sep 26 20:59:07 2012
@@ -50,6 +50,13 @@
   return true;
 }
 
+bool MipsAsmPrinter::lowerOperand(const MachineOperand &MO, MCOperand &MCOp) {
+  MCOp = MCInstLowering.LowerOperand(MO);
+  return MCOp.isValid();
+}
+
+#include "MipsGenMCPseudoLowering.inc"
+
 void MipsAsmPrinter::EmitInstruction(const MachineInstr *MI) {
   if (MI->isDebugValue()) {
     SmallString<128> Str;
@@ -59,6 +66,10 @@
     return;
   }
 
+  // Do any auto-generated pseudo lowerings.
+  if (emitPseudoExpansionLowering(OutStreamer, MI))
+    return;
+
   MachineBasicBlock::const_instr_iterator I = MI;
   MachineBasicBlock::const_instr_iterator E = MI->getParent()->instr_end();
 

Modified: llvm/trunk/lib/Target/Mips/MipsAsmPrinter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsAsmPrinter.h?rev=164747&r1=164746&r2=164747&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsAsmPrinter.h (original)
+++ llvm/trunk/lib/Target/Mips/MipsAsmPrinter.h Wed Sep 26 20:59:07 2012
@@ -32,6 +32,14 @@
 
   void EmitInstrWithMacroNoAT(const MachineInstr *MI);
 
+private:
+  // tblgen'erated function.
+  bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
+                                   const MachineInstr *MI);
+
+  // lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
+  bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
+
 public:
 
   const MipsSubtarget *Subtarget;

Modified: llvm/trunk/lib/Target/Mips/MipsMCInstLower.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsMCInstLower.h?rev=164747&r1=164746&r2=164747&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsMCInstLower.h (original)
+++ llvm/trunk/lib/Target/Mips/MipsMCInstLower.h Wed Sep 26 20:59:07 2012
@@ -33,11 +33,11 @@
   MipsMCInstLower(MipsAsmPrinter &asmprinter);
   void Initialize(Mangler *mang, MCContext *C);
   void Lower(const MachineInstr *MI, MCInst &OutMI) const;
+  MCOperand LowerOperand(const MachineOperand& MO, unsigned offset = 0) const;
 
 private:
   MCOperand LowerSymbolOperand(const MachineOperand &MO,
                                MachineOperandType MOTy, unsigned Offset) const;
-  MCOperand LowerOperand(const MachineOperand& MO, unsigned offset = 0) const;
 };
 }