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| author | Craig Topper <craig.topper@gmail.com> | 2016-12-31 00:45:06 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2016-12-31 00:45:06 +0000 |
| commit | d00db69227f89a9d3368f8487344d2e102df7931 (patch) | |
| tree | 26c626796400691d325764f67bee22922d3c882f /llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | |
| parent | 4a12eab82829e762a9a424126bf21429f5ba1b12 (diff) | |
| download | bcm5719-llvm-d00db69227f89a9d3368f8487344d2e102df7931.tar.gz bcm5719-llvm-d00db69227f89a9d3368f8487344d2e102df7931.zip | |
[InstCombine][AVX-512] Teach InstCombine that llvm.x86.avx512.vcomi.sd and llvm.x86.avx512.vcomi.ss don't use the upper elements of their input.
This was already done for the SSE/SSE2 version of the intrinsics.
llvm-svn: 290776
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index 25f692c6fb9..92369bd70b1 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -1775,6 +1775,8 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { case Intrinsic::x86_sse2_ucomile_sd: case Intrinsic::x86_sse2_ucomilt_sd: case Intrinsic::x86_sse2_ucomineq_sd: + case Intrinsic::x86_avx512_vcomi_ss: + case Intrinsic::x86_avx512_vcomi_sd: case Intrinsic::x86_avx512_mask_cmp_ss: case Intrinsic::x86_avx512_mask_cmp_sd: { // These intrinsics only demand the 0th element of their input vectors. If |
