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Do not emit line number entries for unknown debug values.

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This fixes recent regression in store.exp from gdb testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104524 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2010-05-24 18:26:49 +00:00
parent c7cf10c97e
commit 295cdf8b82
1 changed files with 3 additions and 0 deletions
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3
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@@ -2195,6 +2195,9 @@ void DwarfDebug::beginScope(const MachineInstr *MI) {
if (!DV.Verify()) return; if (!DV.Verify()) return;
if (DV.getTag() != dwarf::DW_TAG_arg_variable) if (DV.getTag() != dwarf::DW_TAG_arg_variable)
LocalVar = true; LocalVar = true;
// Ignore Undef values.
if (MI->getOperand(0).isReg() && !MI->getOperand(0).getReg())
LocalVar = false;
} }
MCSymbol *Label = NULL; MCSymbol *Label = NULL;