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Skip identical instruction while calculating DBG_VALUE range.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105340 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2010-06-02 19:05:13 +00:00
parent 91a74da036
commit 354eb7ea96
1 changed files with 4 additions and 1 deletions
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5
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@@ -2180,12 +2180,15 @@ void DwarfDebug::collectVariableInfo(const MachineFunction *MF) {
if (Processed.count(DV) != 0) if (Processed.count(DV) != 0)
continue; continue;
const MachineInstr *PrevMI = MInsn;
for (SmallVector<const MachineInstr *, 8>::iterator MI = I+1, for (SmallVector<const MachineInstr *, 8>::iterator MI = I+1,
ME = DbgValues.end(); MI != ME; ++MI) { ME = DbgValues.end(); MI != ME; ++MI) {
const MDNode *Var = const MDNode *Var =
(*MI)->getOperand((*MI)->getNumOperands()-1).getMetadata(); (*MI)->getOperand((*MI)->getNumOperands()-1).getMetadata();
if (Var == DV && isDbgValueInDefinedReg(*MI)) if (Var == DV && isDbgValueInDefinedReg(*MI) &&
!PrevMI->isIdenticalTo(*MI))
MultipleValues.push_back(*MI); MultipleValues.push_back(*MI);
PrevMI = *MI;
} }
DbgScope *Scope = findDbgScope(MInsn); DbgScope *Scope = findDbgScope(MInsn);