diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index e428afd68c6..da9c13e0274 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -8687,6 +8687,8 @@ static SDValue lowerVectorShuffleAsPermuteAndUnpack(const SDLoc &DL, MVT VT, SelectionDAG &DAG) { assert(!VT.isFloatingPoint() && "This routine only supports integer vectors."); + assert(VT.is128BitVector() && + "This routine only works on 128-bit vectors."); assert(!isSingleInputShuffleMask(Mask) && "This routine should only be used when blending two inputs."); assert(Mask.size() >= 2 && "Single element masks are invalid."); @@ -8701,8 +8703,8 @@ static SDValue lowerVectorShuffleAsPermuteAndUnpack(const SDLoc &DL, MVT VT, bool UnpackLo = NumLoInputs >= NumHiInputs; auto TryUnpack = [&](MVT UnpackVT, int Scale) { - SmallVector<int, 32> V1Mask(Mask.size(), -1); - SmallVector<int, 32> V2Mask(Mask.size(), -1); + SmallVector<int, 16> V1Mask(Mask.size(), -1); + SmallVector<int, 16> V2Mask(Mask.size(), -1); for (int i = 0; i < Size; ++i) { if (Mask[i] < 0) |
