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| author | Devang Patel <dpatel@apple.com> | 2010-06-02 19:05:13 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-06-02 19:05:13 +0000 |
| commit | c2254f6b981c845846063764eaaed0d5f9fc8efd (patch) | |
| tree | f8f62f866438cd2b9e3a8102ef4864e9cfd70afe /llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | |
| parent | 2d35a9e810cb21451c10c506f2c6ddb2ad6cf0fc (diff) | |
| download | bcm5719-llvm-c2254f6b981c845846063764eaaed0d5f9fc8efd.tar.gz bcm5719-llvm-c2254f6b981c845846063764eaaed0d5f9fc8efd.zip | |
Skip identical instruction while calculating DBG_VALUE range.
llvm-svn: 105340
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 4a88545266b..eca94cb0a1e 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -2180,12 +2180,15 @@ void DwarfDebug::collectVariableInfo(const MachineFunction *MF) { if (Processed.count(DV) != 0) continue; + const MachineInstr *PrevMI = MInsn; for (SmallVector<const MachineInstr *, 8>::iterator MI = I+1, ME = DbgValues.end(); MI != ME; ++MI) { const MDNode *Var = (*MI)->getOperand((*MI)->getNumOperands()-1).getMetadata(); - if (Var == DV && isDbgValueInDefinedReg(*MI)) + if (Var == DV && isDbgValueInDefinedReg(*MI) && + !PrevMI->isIdenticalTo(*MI)) MultipleValues.push_back(*MI); + PrevMI = *MI; } DbgScope *Scope = findDbgScope(MInsn); |
