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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2020-11-25 18:05:41 +0000 |
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| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2020-11-25 18:06:02 +0000 |
| commit | 9c86c5e8add23a29fb19f7c0ac366a2063a5073a (patch) | |
| tree | 04dc037c7ae60ce2d9937b3c742c2225be4c2704 /llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | |
| parent | cf1c774d6ace59c5adc9ab71b31e762c1be695b1 (diff) | |
| download | llvm-9c86c5e8add23a29fb19f7c0ac366a2063a5073a.zip llvm-9c86c5e8add23a29fb19f7c0ac366a2063a5073a.tar.gz llvm-9c86c5e8add23a29fb19f7c0ac366a2063a5073a.tar.bz2 | |
[DAG] Legalize abs(x) -> umin(x,sub(0,x)) iff umin/sub are legal
If umin() is legal, this is likely to result in smaller codegen expansion for abs(x) than the xor(add,ashr) method.
Followup to D92095
Alive2: https://alive2.llvm.org/ce/z/8nuX6s https://alive2.llvm.org/ce/z/q2hB9w
Diffstat (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')
0 files changed, 0 insertions, 0 deletions