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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-06-27 11:16:03 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-06-27 11:16:03 +0000 |
| commit | 90e121fbe6b892a0fd4b6d1f971677691547d2d8 (patch) | |
| tree | cd05adfb62f5f74eaf28edc3e85ded0b4aafe570 /llvm/lib/CodeGen/MachineFunction.cpp | |
| parent | 687d47c2b0cebf17773def27291fcb8524f4313b (diff) | |
| download | llvm-90e121fbe6b892a0fd4b6d1f971677691547d2d8.zip llvm-90e121fbe6b892a0fd4b6d1f971677691547d2d8.tar.gz llvm-90e121fbe6b892a0fd4b6d1f971677691547d2d8.tar.bz2 | |
[X86][AVX] SimplifyDemandedVectorElts - combine PERMPD(x) -> EXTRACTF128(X)
If we only use the bottom lane, see if we can simplify this to extract_subvector - which is always at least as quick as PERMPD/PERMQ.
llvm-svn: 364518
Diffstat (limited to 'llvm/lib/CodeGen/MachineFunction.cpp')
0 files changed, 0 insertions, 0 deletions