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A DBG_VALUE that truncates a range does not start another dbg value range.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132433 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-06-01 23:00:17 +00:00
parent c432907eca
commit 4ada1d7910
1 changed files with 5 additions and 0 deletions
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5
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1411,6 +1411,11 @@ DwarfDebug::collectVariableInfo(const MachineFunction *MF,
const MachineInstr *Begin = *HI;
assert(Begin->isDebugValue() && "Invalid History entry");
// Check if DBG_VALUE is truncating a range.
if (Begin->getNumOperands() > 1 && Begin->getOperand(0).isReg()
&& !Begin->getOperand(0).getReg())
continue;
// Compute the range for a register location.
const MCSymbol *FLabel = getLabelBeforeInsn(Begin);
const MCSymbol *SLabel = 0;