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Ignore line number of debug value in undefined register.

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llvm-svn: 105292
This commit is contained in:
Devang Patel 2010-06-01 21:43:09 +00:00
parent b37767db31
commit 345874624f
1 changed files with 1 additions and 0 deletions
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lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -2631,6 +2631,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
assert (MI->getNumOperands() > 1 && "Invalid machine instruction!"); assert (MI->getNumOperands() > 1 && "Invalid machine instruction!");
DIVariable DV(MI->getOperand(MI->getNumOperands() - 1).getMetadata()); DIVariable DV(MI->getOperand(MI->getNumOperands() - 1).getMetadata());
if (!DV.Verify()) continue; if (!DV.Verify()) continue;
if (isDbgValueInUndefinedReg(MI)) continue;
// If DBG_VALUE is for a local variable then it needs a label. // If DBG_VALUE is for a local variable then it needs a label.
if (DV.getTag() != dwarf::DW_TAG_arg_variable) if (DV.getTag() != dwarf::DW_TAG_arg_variable)
InsnNeedsLabel.insert(MI); InsnNeedsLabel.insert(MI);