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authorJakob Stoklund Olesen <stoklund@2pi.dk>2011-03-23 18:37:30 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2011-03-23 18:37:30 +0000
commita87d80cdcae9f8e4107556a1a8d4c9d15851aa16 (patch)
tree62fd82b2bd79e033f75f79834f0b6e1f8e0c405b
parent465f93645f596081310db5e1a7f658ab81f2473c (diff)
downloadbcm5719-llvm-a87d80cdcae9f8e4107556a1a8d4c9d15851aa16.tar.gz
bcm5719-llvm-a87d80cdcae9f8e4107556a1a8d4c9d15851aa16.zip
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. llvm-svn: 128155
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 7c50b1e4607..58d51ea2ac8 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/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;
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