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Cleanup. Process the dbg_values separately 

llvm-svn: 105554
This commit is contained in:
Jim Grosbach 2010-06-07 21:28:55 +00:00
parent 22e1adbb11
commit 6201b991a2
1 changed files with 16 additions and 18 deletions
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34
llvm/lib/CodeGen/IfConversion.cpp
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@ -514,15 +514,14 @@ bool IfConverter::ValidDiamond(BBInfo &TrueBBI, BBInfo &FalseBBI,
MachineBasicBlock::iterator TI = TrueBBI.BB->begin();
MachineBasicBlock::iterator FI = FalseBBI.BB->begin();
while (1) {
if (TI == TrueBBI.BB->end() || FI == FalseBBI.BB->end())
break;
// Skip dbg_value instructions
if (TI->isDebugValue())
++TI;
if (FI->isDebugValue())
++FI;
MachineBasicBlock::iterator TIE = TrueBBI.BB->end();
MachineBasicBlock::iterator FIE = FalseBBI.BB->end();
// Skip dbg_value instructions
while (TI != TIE && TI->isDebugValue())
++TI;
while (FI != FIE && FI->isDebugValue())
++FI;
while (TI != TIE && FI != FIE) {
if (!TI->isIdenticalTo(FI))
break;
++Dups1;
@ -532,15 +531,14 @@ bool IfConverter::ValidDiamond(BBInfo &TrueBBI, BBInfo &FalseBBI,
TI = firstNonBranchInst(TrueBBI.BB, TII);
FI = firstNonBranchInst(FalseBBI.BB, TII);
while (1) {
if (TI == TrueBBI.BB->begin() || FI == FalseBBI.BB->begin())
break;
// Skip dbg_value instructions
if (TI->isDebugValue())
--TI;
if (FI->isDebugValue())
--FI;
MachineBasicBlock::iterator TIB = TrueBBI.BB->begin();
MachineBasicBlock::iterator FIB = FalseBBI.BB->begin();
// Skip dbg_value instructions
while (TI != TIB && TI->isDebugValue())
--TI;
while (FI != FIB && FI->isDebugValue())
--FI;
while (TI != TIB && FI != FIB) {
if (!TI->isIdenticalTo(FI))
break;
++Dups2;