diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index 02cf90613c6..dc8fd4766d4 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -3576,10 +3576,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { } case Intrinsic::amdgcn_exp: case Intrinsic::amdgcn_exp_compr: { - ConstantInt *En = dyn_cast<ConstantInt>(II->getArgOperand(1)); - if (!En) // Illegal. - break; - + ConstantInt *En = cast<ConstantInt>(II->getArgOperand(1)); unsigned EnBits = En->getZExtValue(); if (EnBits == 0xf) break; // All inputs enabled. @@ -3669,10 +3666,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { } case Intrinsic::amdgcn_icmp: case Intrinsic::amdgcn_fcmp: { - const ConstantInt *CC = dyn_cast<ConstantInt>(II->getArgOperand(2)); - if (!CC) - break; - + const ConstantInt *CC = cast<ConstantInt>(II->getArgOperand(2)); // Guard against invalid arguments. int64_t CCVal = CC->getZExtValue(); bool IsInteger = II->getIntrinsicID() == Intrinsic::amdgcn_icmp; @@ -3822,11 +3816,10 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { case Intrinsic::amdgcn_update_dpp: { Value *Old = II->getArgOperand(0); - auto BC = dyn_cast<ConstantInt>(II->getArgOperand(5)); - auto RM = dyn_cast<ConstantInt>(II->getArgOperand(3)); - auto BM = dyn_cast<ConstantInt>(II->getArgOperand(4)); - if (!BC || !RM || !BM || - BC->isZeroValue() || + auto BC = cast<ConstantInt>(II->getArgOperand(5)); + auto RM = cast<ConstantInt>(II->getArgOperand(3)); + auto BM = cast<ConstantInt>(II->getArgOperand(4)); + if (BC->isZeroValue() || RM->getZExtValue() != 0xF || BM->getZExtValue() != 0xF || isa<UndefValue>(Old)) |
