diff options
| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-10-06 17:18:41 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-10-06 17:18:41 +0000 |
| commit | a30e8d23e2ae617d3172387129b4286b9c672f05 (patch) | |
| tree | 7b5de68ccabed9d0cd53b0531acdb87bb40212fe /llvm/lib | |
| parent | b9f72a5a60147c0352c9bffae039d9330ad18ccb (diff) | |
| download | bcm5719-llvm-a30e8d23e2ae617d3172387129b4286b9c672f05.tar.gz bcm5719-llvm-a30e8d23e2ae617d3172387129b4286b9c672f05.zip | |
[X86][AVX] Ensure resolveTargetShuffleInputs shuffle masks are the correct width
Don't handle ZERO_EXTEND style shuffles until we support bitcasts. Found by inspection.
llvm-svn: 343924
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index e113dbc6760..6ea5ee15d02 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -6393,7 +6393,8 @@ static bool getFauxShuffleMask(SDValue N, SmallVectorImpl<int> &Mask, return false; SmallVector<int, 64> SubMask; SmallVector<SDValue, 2> SubInputs; - if (!resolveTargetShuffleInputs(Sub, SubInputs, SubMask, DAG)) + if (!resolveTargetShuffleInputs(Sub, SubInputs, SubMask, DAG) || + SubMask.size() != NumSubElts) return false; Ops.push_back(Src); for (SDValue &SubInput : SubInputs) { |
