diff options
Diffstat (limited to 'llvm/lib/CodeGen/TypePromotion.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TypePromotion.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/TypePromotion.cpp b/llvm/lib/CodeGen/TypePromotion.cpp index e6c0b3242d67..426292345a14 100644 --- a/llvm/lib/CodeGen/TypePromotion.cpp +++ b/llvm/lib/CodeGen/TypePromotion.cpp @@ -235,8 +235,6 @@ bool TypePromotionImpl::isSource(Value *V) { return true; else if (isa<LoadInst>(V)) return true; - else if (isa<BitCastInst>(V)) - return true; else if (auto *Call = dyn_cast<CallInst>(V)) return Call->hasRetAttr(Attribute::AttrKind::ZExt); else if (auto *Trunc = dyn_cast<TruncInst>(V)) @@ -724,8 +722,9 @@ bool TypePromotionImpl::isSupportedValue(Value *V) { case Instruction::Ret: case Instruction::Load: case Instruction::Trunc: - case Instruction::BitCast: return isSupportedType(I); + case Instruction::BitCast: + return I->getOperand(0)->getType() == I->getType(); case Instruction::ZExt: return isSupportedType(I->getOperand(0)); case Instruction::ICmp: @@ -960,8 +959,8 @@ bool TypePromotionImpl::run(Function &F, const TargetMachine *TM, if (isa<ZExtInst>(&I) && isa<PHINode>(I.getOperand(0)) && isa<IntegerType>(I.getType()) && BBIsInLoop(&BB)) { - LLVM_DEBUG(dbgs() << "IR Promotion: Searching from: " << I.getOperand(0) - << "\n"); + LLVM_DEBUG(dbgs() << "IR Promotion: Searching from: " + << *I.getOperand(0) << "\n"); EVT ZExtVT = TLI->getValueType(DL, I.getType()); Instruction *Phi = static_cast<Instruction *>(I.getOperand(0)); auto PromoteWidth = ZExtVT.getFixedSizeInBits(); |