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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-23 18:37:30 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-23 18:37:30 +0000 |
| commit | 01079311e153dae59a38aa0cdf5332eb3e410abf (patch) | |
| tree | d90c6cbe615355810dd236938133578c536ab1da /lib/CodeGen/AsmPrinter | |
| parent | db3480c432bff2be4ab26630343545ba66f00dac (diff) | |
| download | external_llvm-01079311e153dae59a38aa0cdf5332eb3e410abf.zip external_llvm-01079311e153dae59a38aa0cdf5332eb3e410abf.tar.gz external_llvm-01079311e153dae59a38aa0cdf5332eb3e410abf.tar.bz2 | |
Don't coalesce identical DBG_VALUE instructions prematurely.
Each of these instructions may have a RegsClobberInsn entry that can't be
ignored. Consecutive ranges are coalesced later when DwarfDebug::emitDebugLoc
merges entries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128155 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/AsmPrinter')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 7c50b1e..58d51ea 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -2419,14 +2419,12 @@ 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 && !PrevMI->isIdenticalTo(*MI)) + if (Var == DV) MultipleValues.push_back(*MI); - PrevMI = *MI; } DbgScope *Scope = NULL; |