| commit | b61e023778f7b8e32142ac965983c0ac79467d2f | |
| author | Simon Pilgrim <lvm-dev@redking.me.uk> | |
| Wed, 3 Jul 2019 14:34:16 +0000 (3 14:34 +0000) | ||
| committer | Simon Pilgrim <lvm-dev@redking.me.uk> | |
| Wed, 3 Jul 2019 14:34:16 +0000 (3 14:34 +0000) | ||
| tree | 69df142316bc4548c505d7b1d73936c02da95cee | treesnapshot (tar.gz zip) |
| parent | bae03fc6328c7ecbfc01f201d231a66b51a6de20 | commitdiff |
[X86][AVX] Combine vpermi(bitcast(x)) -> bitcast(vpermi(x))
iff the number of elements doesn't change.
This gets around an issue with combineX86ShuffleChain not being able to hint which domain is preferred for shuffles that can be done with either.
Fixes regression introduced in rL365041
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@365044 91177308-0d34-0410-b5e6-96231b3b80d8
iff the number of elements doesn't change.
This gets around an issue with combineX86ShuffleChain not being able to hint which domain is preferred for shuffles that can be done with either.
Fixes regression introduced in rL365041
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@365044 91177308-0d34-0410-b5e6-96231b3b80d8
| lib/Target/X86/X86ISelLowering.cpp | diffblobblamehistory | |
| test/CodeGen/X86/avx512-shuffles/partial_permute.ll | diffblobblamehistory |