diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/BasicBlockUtils.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/BasicBlockUtils.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp index 2887bdc46b5..fd7b7da76fb 100644 --- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -477,6 +477,12 @@ Value *llvm::FindAvailableLoadedValue(Value *Ptr, BasicBlock *ScanBB, Instruction *Inst = --ScanFrom; if (isa<DbgInfoIntrinsic>(Inst)) continue; + // Likewise, we skip bitcasts that feed into a llvm.dbg.declare; these are + // not present when debugging is off. + if (isa<BitCastInst>(Inst) && Inst->hasOneUse() && + isa<DbgDeclareInst>(Inst->use_begin())) + continue; + // Restore ScanFrom to expected value in case next test succeeds ScanFrom++; |
