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No need to look through bitcasts for DbgInfoIntrinsic

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94114 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Victor Hernandez
2010-01-21 23:09:12 +00:00
parent e31dc355b2
commit edd7966809
1 changed files with 0 additions and 5 deletions
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5
lib/Transforms/Utils/BasicBlockUtils.cpp
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@@ -615,11 +615,6 @@ Value *llvm::FindAvailableLoadedValue(Value *Ptr, BasicBlock *ScanBB,
Instruction *Inst = --ScanFrom; Instruction *Inst = --ScanFrom;
if (isa<DbgInfoIntrinsic>(Inst)) if (isa<DbgInfoIntrinsic>(Inst))
continue; continue;
// We skip pointer-to-pointer bitcasts, which are NOPs.
// It is necessary for correctness to skip those that feed into a
// llvm.dbg.declare, as these are not present when debugging is off.
if (isa<BitCastInst>(Inst) && isa<PointerType>(Inst->getType()))
continue;
// Restore ScanFrom to expected value in case next test succeeds // Restore ScanFrom to expected value in case next test succeeds
ScanFrom++; ScanFrom++;