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| author | David Green <david.green@arm.com> | 2024-08-21 18:10:16 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-08-21 18:10:16 +0100 |
| commit | c61d565721d0cf03e2658ec65a3526dd89142e52 (patch) | |
| tree | aa435c7e8dc85ab92d25717c619a748ec80c2e20 /llvm/lib/CodeGen/TargetLoweringBase.cpp | |
| parent | 1c9d8a62cb208afe1bc87669c7dd5d9590e615b2 (diff) | |
| download | llvm-c61d565721d0cf03e2658ec65a3526dd89142e52.zip llvm-c61d565721d0cf03e2658ec65a3526dd89142e52.tar.gz llvm-c61d565721d0cf03e2658ec65a3526dd89142e52.tar.bz2 | |
[AArch64] Set scalar fneg to free for fnmul (#104814)
A fneg(fmul(..)) or fmul(fneg(..)) can be folded into a fnmul under
AArch64. https://clang.godbolt.org/z/znPj34Mae
This discounts the cost of the fneg in such patterns to be free.
Diffstat (limited to 'llvm/lib/CodeGen/TargetLoweringBase.cpp')
0 files changed, 0 insertions, 0 deletions