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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-01-14 19:07:26 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-01-14 19:07:26 +0000 |
| commit | bfe2ee453a23201639178454b8816e70c396a1bd (patch) | |
| tree | 0b32e9d02950ac3dd36aa0e303d84f5f9ea170fd /clang/lib/CodeGen/CodeGenFunction.cpp | |
| parent | 957795973b98a52b770f9114602fc9e170c63233 (diff) | |
| download | bcm5719-llvm-bfe2ee453a23201639178454b8816e70c396a1bd.tar.gz bcm5719-llvm-bfe2ee453a23201639178454b8816e70c396a1bd.zip | |
[X86][SSSE3] Bailout of lowerVectorShuffleAsPermuteAndUnpack for shuffle-with-zero (PR40306)
If we have PSHUFB and we're shuffling with a zero vector, then we are better off not doing VECTOR_SHUFFLE(UNPCK()) as we lose track of those zero elements.
llvm-svn: 351103
Diffstat (limited to 'clang/lib/CodeGen/CodeGenFunction.cpp')
0 files changed, 0 insertions, 0 deletions
