diff options
Diffstat (limited to 'llvm/lib/Target/X86')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index edfebbf4b83..f17bd583f1a 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -13610,6 +13610,10 @@ static SDValue lowerV32I8VectorShuffle(const SDLoc &DL, ArrayRef<int> Mask, DL, MVT::v32i8, Mask, V1, V2, Zeroable, Subtarget, DAG)) return PSHUFB; + // AVX512VBMIVL can lower to VPERMB. + if (Subtarget.hasVBMI() && Subtarget.hasVLX()) + return lowerVectorShuffleWithPERMV(DL, MVT::v32i8, Mask, V1, V2, DAG); + // Try to simplify this by merging 128-bit lanes to enable a lane-based // shuffle. if (SDValue Result = lowerVectorShuffleByMerging128BitLanes( |
