diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index d65a65e365c..ea97dc2dccd 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -13709,10 +13709,6 @@ static SDValue lowerV8I64VectorShuffle(const SDLoc &DL, ArrayRef<int> Mask, assert(V2.getSimpleValueType() == MVT::v8i64 && "Bad operand type!"); assert(Mask.size() == 8 && "Unexpected mask size for v8 shuffle!"); - if (SDValue Shuf128 = - lowerV4X128VectorShuffle(DL, MVT::v8i64, Mask, V1, V2, DAG)) - return Shuf128; - if (V2.isUndef()) { // When the shuffle is mirrored between the 128-bit lanes of the unit, we // can use lower latency instructions that will operate on all four @@ -13734,6 +13730,10 @@ static SDValue lowerV8I64VectorShuffle(const SDLoc &DL, ArrayRef<int> Mask, getV4X86ShuffleImm8ForMask(Repeated256Mask, DL, DAG)); } + if (SDValue Shuf128 = + lowerV4X128VectorShuffle(DL, MVT::v8i64, Mask, V1, V2, DAG)) + return Shuf128; + // Try to use shift instructions. if (SDValue Shift = lowerVectorShuffleAsShift(DL, MVT::v8i64, V1, V2, Mask, Zeroable, Subtarget, DAG)) |
