diff options
Diffstat (limited to 'lib/Transforms/Scalar/LoopUnswitch.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopUnswitch.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp index c97c9b5518..80d4311ebc 100644 --- a/lib/Transforms/Scalar/LoopUnswitch.cpp +++ b/lib/Transforms/Scalar/LoopUnswitch.cpp @@ -924,7 +924,8 @@ void LoopUnswitch::RewriteLoopBodyWithConditionConstant(Loop *L, Value *LIC, if (IsEqual) Replacement = Val; else - Replacement = ConstantInt::get(!cast<ConstantInt>(Val)->getBoolValue()); + Replacement = ConstantInt::get(Type::Int1Ty, + !cast<ConstantInt>(Val)->getZExtValue()); for (unsigned i = 0, e = Users.size(); i != e; ++i) if (Instruction *U = cast<Instruction>(Users[i])) { @@ -1026,7 +1027,7 @@ void LoopUnswitch::SimplifyCode(std::vector<Instruction*> &Worklist) { switch (I->getOpcode()) { case Instruction::Select: if (ConstantInt *CB = dyn_cast<ConstantInt>(I->getOperand(0))) { - ReplaceUsesOfWith(I, I->getOperand(!CB->getBoolValue()+1), Worklist); + ReplaceUsesOfWith(I, I->getOperand(!CB->getZExtValue()+1), Worklist); continue; } break; @@ -1036,7 +1037,7 @@ void LoopUnswitch::SimplifyCode(std::vector<Instruction*> &Worklist) { cast<BinaryOperator>(I)->swapOperands(); if (ConstantInt *CB = dyn_cast<ConstantInt>(I->getOperand(1))) if (CB->getType() == Type::Int1Ty) { - if (CB->getBoolValue()) // X & 1 -> X + if (CB->getZExtValue()) // X & 1 -> X ReplaceUsesOfWith(I, I->getOperand(0), Worklist); else // X & 0 -> 0 ReplaceUsesOfWith(I, I->getOperand(1), Worklist); @@ -1049,7 +1050,7 @@ void LoopUnswitch::SimplifyCode(std::vector<Instruction*> &Worklist) { cast<BinaryOperator>(I)->swapOperands(); if (ConstantInt *CB = dyn_cast<ConstantInt>(I->getOperand(1))) if (CB->getType() == Type::Int1Ty) { - if (CB->getBoolValue()) // X | 1 -> 1 + if (CB->getZExtValue()) // X | 1 -> 1 ReplaceUsesOfWith(I, I->getOperand(1), Worklist); else // X | 0 -> X ReplaceUsesOfWith(I, I->getOperand(0), Worklist); @@ -1094,8 +1095,8 @@ void LoopUnswitch::SimplifyCode(std::vector<Instruction*> &Worklist) { break; // FIXME: Enable. DOUT << "Folded branch: " << *BI; - BasicBlock *DeadSucc = BI->getSuccessor(CB->getBoolValue()); - BasicBlock *LiveSucc = BI->getSuccessor(!CB->getBoolValue()); + BasicBlock *DeadSucc = BI->getSuccessor(CB->getZExtValue()); + BasicBlock *LiveSucc = BI->getSuccessor(!CB->getZExtValue()); DeadSucc->removePredecessor(BI->getParent(), true); Worklist.push_back(new BranchInst(LiveSucc, BI)); BI->eraseFromParent(); |