diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index 6aa9c36ef6a..db5ac7fa570 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -1754,6 +1754,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { break; } + // X86 scalar intrinsics simplified with SimplifyDemandedVectorElts. case Intrinsic::x86_avx512_mask_add_ss_round: case Intrinsic::x86_avx512_mask_div_ss_round: case Intrinsic::x86_avx512_mask_mul_ss_round: @@ -1765,26 +1766,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { case Intrinsic::x86_avx512_mask_mul_sd_round: case Intrinsic::x86_avx512_mask_sub_sd_round: case Intrinsic::x86_avx512_mask_max_sd_round: - case Intrinsic::x86_avx512_mask_min_sd_round: { - // These intrinsics only demand the lowest element of the second and third - // input vector. - bool MadeChange = false; - Value *Arg1 = II->getArgOperand(1); - Value *Arg2 = II->getArgOperand(2); - unsigned VWidth = Arg1->getType()->getVectorNumElements(); - if (Value *V = SimplifyDemandedVectorEltsLow(Arg1, VWidth, 1)) { - II->setArgOperand(1, V); - MadeChange = true; - } - if (Value *V = SimplifyDemandedVectorEltsLow(Arg2, VWidth, 1)) { - II->setArgOperand(2, V); - MadeChange = true; - } - if (MadeChange) - return II; - break; - } - + case Intrinsic::x86_avx512_mask_min_sd_round: case Intrinsic::x86_fma_vfmadd_ss: case Intrinsic::x86_fma_vfmsub_ss: case Intrinsic::x86_fma_vfnmadd_ss: |
