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| author | Yingwei Zheng <dtcxzyw2333@gmail.com> | 2024-03-19 17:16:48 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-03-19 17:16:48 +0800 |
| commit | a747e86caacf0ba3d5272474da8c10eb0b67dbc2 (patch) | |
| tree | ee823b589ac316655038366062ec44e8a325d63a /flang/lib/Frontend/CompilerInvocation.cpp | |
| parent | 6aaf9c83099b80e73ef2208ae9f7f300c7808659 (diff) | |
| download | llvm-a747e86caacf0ba3d5272474da8c10eb0b67dbc2.zip llvm-a747e86caacf0ba3d5272474da8c10eb0b67dbc2.tar.gz llvm-a747e86caacf0ba3d5272474da8c10eb0b67dbc2.tar.bz2 | |
[InstCombine] Fold `fpto{s|u}i non-norm` to zero (#85569)
This patch enables more optimization after canonicalizing `fmul X, 0.0`
into a copysign.
I decide to implement this fold in InstCombine because
`computeKnownFPClass` may be expensive.
Alive2: https://alive2.llvm.org/ce/z/ASM8tQ
Diffstat (limited to 'flang/lib/Frontend/CompilerInvocation.cpp')
0 files changed, 0 insertions, 0 deletions