diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index b8396eee844..f6ed6900a6a 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -876,6 +876,11 @@ static bool simplifyX86MaskedStore(IntrinsicInst &II, InstCombiner &IC) { return true; } + // The SSE2 version is too weird (eg, unaligned but non-temporal) to do + // anything else at this level. + if (II.getIntrinsicID() == Intrinsic::x86_sse2_maskmov_dqu) + return false; + auto *ConstMask = dyn_cast<ConstantDataVector>(Mask); if (!ConstMask) return false; @@ -1674,6 +1679,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { return I; break; + case Intrinsic::x86_sse2_maskmov_dqu: case Intrinsic::x86_avx_maskstore_ps: case Intrinsic::x86_avx_maskstore_pd: case Intrinsic::x86_avx_maskstore_ps_256: |
