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Print variable scope name in DEBUG_VALUE comment. Useful in some cases. e.g.

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##DEBUG_VALUE: runOnMachineFunction:this <- RDI+0
	##DEBUG_VALUE: runOnMachineFunction:fn <- RSI+0
	##DEBUG_VALUE: DeadDefs <- undef ## SimpleRegisterCoalescing.cpp:2706
	##DEBUG_VALUE: getRegInfo:this <- [%rsp+$56]+$0
	##DEBUG_VALUE: getTarget:this <- [%rsp+$56]+$0



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102655 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2010-04-29 18:52:10 +00:00
parent bd6cb4ba1f
commit 67a444ca36
2 changed files with 4 additions and 0 deletions
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lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+2
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@@ -502,6 +502,8 @@ static bool EmitDebugValueComment(const MachineInstr *MI, AsmPrinter &AP) {
// cast away const; DIetc do not take const operands for some reason.
DIVariable V(const_cast<MDNode*>(MI->getOperand(2).getMetadata()));
if (V.getContext().isSubprogram())
OS << DISubprogram(V.getContext().getNode()).getDisplayName() << ":";
OS << V.getName() << " <- ";
// Register or immediate value. Register 0 means undef.