<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hello,<div><br></div><div>[Using LLVM r155315, according to `svn log | head`]<br><div><br></div><div>I am experimenting with programatically building and jitting functions in a module, and I seem to be coming across a crash in some generated code. Using the llvm-c interface I build up the module which dumps like this:</div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><b>; ModuleID = 'MyModule'</b></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><b>target datalayout = "i686-apple-darwin11"</b></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><b>target triple = "i686-apple-darwin11"</b></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; min-height: 13px; "><b></b><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><b>define i32 @functionName(i32 %m, i32 %x, i32 %b) {</b></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><b>entry:</b></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><b> %mx = mul i32 %m, %x</b></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><b> %y = add i32 %mx, %b</b></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><b> ret i32 %y</b></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><b>}</b></div></div><div><br></div><div>Which looks OK to me. Note I'm not 100% sure (actually, I suspect is wrong) about the 'target datalayout' but with or without that line makes no difference to my results.</div><div><br></div><div>When I attempt to run the JIT (interpreter works fine) I get a EXC_BAD_ACCESS with the following backtrace:</div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; ">* thread #1: tid = 0x2007, 0x0000000102e00042, stop reason = EXC_BAD_ACCESS (code=1, address=0x60c93a2c)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> frame #0: 0x0000000102e00042</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> frame #1: 0x00000001015c01fb LLVMPlayGround`llvm::JIT::runFunction(llvm::Function*, std::vector<llvm::GenericValue, std::allocator<llvm::GenericValue> > const&) + 4747 at JIT.cpp:547</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> frame #2: 0x00000001015a0db2 LLVMPlayGround`LLVMRunFunction + 322 at ExecutionEngineBindings.cpp:195</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> frame #3: 0x0000000101096125 LLVMPlayGround`main + 741 at main.c:91</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> frame #4: 0x0000000101095e34 LLVMPlayGround`start + 52</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(100, 131, 255); "><b><br></b></div></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3">Which looks to be in some non-c code. At least XCode cannot find any corresponding source:</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><span style="color: #2500d8">0x102e00042</span>: movl $<span style="color: #2500d8">10</span>, (%rsp) <-- DIE</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><span style="color: #2500d8">0x102e00049</span>: movl $<span style="color: #2500d8">5</span>, <span style="color: #2500d8">4</span>(%rsp)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><span style="color: #2500d8">0x102e00051</span>: movl $<span style="color: #2500d8">1</span>, <span style="color: #2500d8">8</span>(%rsp)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><span style="color: #2500d8">0x102e00059</span>: movl %eax, <span style="color: #2500d8">24</span>(%rsp)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><span style="color: #2500d8">0x102e0005d</span>: movl %ecx, <span style="color: #2500d8">20</span>(%rsp)</div>It looks like marshalling the 3 arguments to my function.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3"><br></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3">Looking at rsp it looks like the top 32bits have been truncated, compared to other pointers floating around the system:</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> rbp = 0x00007fff60c94070</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> rsp = 0x0000000060c93a2c </div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> r8 = 0x00007fff60c93800</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> r9 = 0x00007fff60c93808</div></font></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(0, 135, 0); "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3">If I use the debugger to poke 0x00007fff into the top half of rsp, stepping through works, and after one jump I get to my function; I see the mul and add instruction. Continuing to step, I need one more fixup of rsp (perhaps corresponding to two jitted functions: mine, and the auto-built nullary stub?) before returning to my main function.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3"><br></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3">Is there anything obvious I've missed? Sorry for the long mail but I figure if I put all my data, then where I went wrong would be more obvious to someone who knows what they're doing :)</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3"><br></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3">Thanks, and please let me know if there's anything extra I can add.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3">-DavidM</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3"><br></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3">PS: below is my complete source.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><font class="Apple-style-span" face="Helvetica" size="3"><br></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; min-height: 13px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(119, 72, 43); ">#include <span style="color: #cf231d"><stdio.h></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(119, 72, 43); ">#define __STDC_LIMIT_MACROS</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(119, 72, 43); ">#define __STDC_CONSTANT_MACROS</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; min-height: 13px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(207, 35, 29); "><span style="color: #77482b">#include </span>"llvm-c/Core.h"</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(207, 35, 29); "><span style="color: #77482b">#include </span>"llvm-c/ExecutionEngine.h"</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; min-height: 13px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "><span style="color: #b80fa2">int</span> main(<span style="color: #b80fa2">int</span> argc, <span style="color: #b80fa2">const</span> <span style="color: #b80fa2">char</span> * argv[])</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; ">{</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; min-height: 13px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(111, 50, 169); "><span style="color: #000000"> </span>LLVMContextRef<span style="color: #000000"> llvm;</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> llvm = </span>LLVMContextCreate<span style="color: #000000">();</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(111, 50, 169); "><span style="color: #000000"> </span>LLVMModuleRef<span style="color: #000000"> module;</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> module = </span>LLVMModuleCreateWithNameInContext<span style="color: #000000">(</span><span style="color: #cf231d">"MyModule"</span><span style="color: #000000">, llvm);</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(0, 135, 0); "><span style="color: #000000"> </span>//LLVMSetDataLayout(module, "i686-apple-darwin11"); <-- is needed? What is correct?</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(207, 35, 29); "><span style="color: #000000"> </span><span style="color: #3c0f81">LLVMSetTarget</span><span style="color: #000000">(module, </span>"i686-apple-darwin11"<span style="color: #000000">);</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; min-height: 13px; "><br></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span><span style="color: #6f32a9">LLVMTypeRef</span><span style="color: #000000"> int32 = </span>LLVMInt32TypeInContext<span style="color: #000000">(llvm);</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #6f32a9">LLVMTypeRef</span> funcType;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #6f32a9">LLVMTypeRef</span> threeInts[] = {int32, int32, int32};</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> funcType = <span style="color: #3c0f81">LLVMFunctionType</span>(int32, threeInts, <span style="color: #2500d8">3</span>, <span style="color: #2500d8">0</span>);</div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(111, 50, 169); "><span style="color: #000000"> </span>LLVMValueRef<span style="color: #000000"> func;</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> func = <span style="color: #3c0f81">LLVMAddFunction</span>(module, <span style="color: #cf231d">"functionName"</span>, funcType);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; min-height: 13px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #6f32a9">LLVMValueRef</span> mParam = <span style="color: #3c0f81">LLVMGetParam</span>(func, <span style="color: #2500d8">0</span>);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMSetValueName<span style="color: #000000">(mParam, </span><span style="color: #cf231d">"m"</span><span style="color: #000000">);</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #6f32a9">LLVMValueRef</span> xParam = <span style="color: #3c0f81">LLVMGetParam</span>(func, <span style="color: #2500d8">1</span>);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMSetValueName<span style="color: #000000">(xParam, </span><span style="color: #cf231d">"x"</span><span style="color: #000000">);</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #6f32a9">LLVMValueRef</span> bParam = <span style="color: #3c0f81">LLVMGetParam</span>(func, <span style="color: #2500d8">2</span>);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMSetValueName<span style="color: #000000">(bParam, </span><span style="color: #cf231d">"b"</span><span style="color: #000000">);</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(111, 50, 169); "><span style="color: #000000"> </span>LLVMBasicBlockRef<span style="color: #000000"> entryBB;</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> entryBB = <span style="color: #3c0f81">LLVMAppendBasicBlockInContext</span>(llvm, func, <span style="color: #cf231d">"entry"</span>);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; min-height: 13px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(111, 50, 169); "><span style="color: #000000"> </span>LLVMBuilderRef<span style="color: #000000"> builder;</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> builder = </span>LLVMCreateBuilderInContext<span style="color: #000000">(llvm);</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMPositionBuilderAtEnd<span style="color: #000000">(builder, entryBB);</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(111, 50, 169); "><span style="color: #000000"> </span>LLVMValueRef<span style="color: #000000"> mx;</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> mx = <span style="color: #3c0f81">LLVMBuildMul</span>(builder, mParam, xParam, <span style="color: #cf231d">"mx"</span>);</div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(111, 50, 169); "><span style="color: #000000"> </span>LLVMValueRef<span style="color: #000000"> y;</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> y = <span style="color: #3c0f81">LLVMBuildAdd</span>(builder, mx, bParam, <span style="color: #cf231d">"y"</span>);</div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #6f32a9">LLVMValueRef</span> retInst;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> retInst = <span style="color: #3c0f81">LLVMBuildRet</span>(builder, y);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> (<span style="color: #b80fa2">void</span>) retInst;</div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMDisposeBuilder<span style="color: #000000">(builder);</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; min-height: 13px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMLinkInJIT<span style="color: #000000">();</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMLinkInInterpreter<span style="color: #000000">();</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMInitializeNativeTarget<span style="color: #000000">();</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMDumpModule<span style="color: #000000">(module);</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(0, 135, 0); "><span style="color: #000000"> </span>/* Now run it! */</div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(111, 50, 169); "><span style="color: #000000"> </span>LLVMExecutionEngineRef<span style="color: #000000"> jit = </span><span style="color: #b80fa2">NULL</span><span style="color: #000000">;</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #b80fa2">char</span> *err;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(0, 135, 0); ">// LLVMBool result = LLVMCreateExecutionEngineForModule(&jit, module, &err);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #6f32a9">LLVMBool</span> result = <span style="color: #3c0f81">LLVMCreateJITCompilerForModule</span>(&jit, module, <span style="color: #2500d8">0</span>, &err);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #b80fa2">if</span> (result) {</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #3c0f81">printf</span>(<span style="color: #cf231d">"Fail: %s\n"</span>, err);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #b80fa2">return</span> -<span style="color: #2500d8">1</span>;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> }</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(207, 35, 29); "><span style="color: #000000"> </span><span style="color: #3c0f81">printf</span><span style="color: #000000">(</span>"JIT is %p\n"<span style="color: #000000">, jit);</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span><span style="color: #6f32a9">LLVMGenericValueRef</span><span style="color: #000000"> argM = </span>LLVMCreateGenericValueOfInt<span style="color: #000000">(int32, </span><span style="color: #2500d8">10</span><span style="color: #000000">, </span><span style="color: #2500d8">0</span><span style="color: #000000">);</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span><span style="color: #6f32a9">LLVMGenericValueRef</span><span style="color: #000000"> argX = </span>LLVMCreateGenericValueOfInt<span style="color: #000000">(int32, </span><span style="color: #2500d8">5</span><span style="color: #000000">, </span><span style="color: #2500d8">0</span><span style="color: #000000">);</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #6f32a9">LLVMGenericValueRef</span> argB = <span style="color: #3c0f81">LLVMCreateGenericValueOfInt</span>(int32, <span style="color: #2500d8">1</span>, <span style="color: #2500d8">0</span>); </div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #6f32a9">LLVMGenericValueRef</span> args[] = {argM, argX, argB};</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #6f32a9">LLVMGenericValueRef</span> result2 = <span style="color: #3c0f81">LLVMRunFunction</span>(jit, func, <span style="color: #2500d8">3</span>, args);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #b80fa2">unsigned</span> <span style="color: #b80fa2">long</span> <span style="color: #b80fa2">long</span> answer = <span style="color: #3c0f81">LLVMGenericValueToInt</span>(result2, <span style="color: #2500d8">0</span>);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(207, 35, 29); "><span style="color: #000000"> </span><span style="color: #3c0f81">printf</span><span style="color: #000000">(</span>"And the answer is %d\n"<span style="color: #000000">, (</span><span style="color: #b80fa2">int</span><span style="color: #000000">)answer);</span></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMDisposeModule<span style="color: #000000">(module);</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; color: rgb(60, 15, 129); "><span style="color: #000000"> </span>LLVMContextDispose<span style="color: #000000">(llvm);</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; "> <span style="color: #b80fa2">return</span> <span style="color: #2500d8">0</span>;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; ">}</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Menlo; min-height: 13px; "><br></div></div></div></body></html>