[llvm] [InstCombine] Transform high latency, dependent FSQRT/FDIV into FMUL (PR #87474)
Sushant Gokhale via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 22 07:16:54 PDT 2024
sushgokh wrote:
> For example, what cases? I think it's quite important to try to preserve !fpmath (and a lesser extent the flags). For AMDGPU losing these can trivially result in a net loss
@bb_constraint_case1 for fast-math flags
@fpmath_metadata_on_div for fpmath metadata
https://github.com/llvm/llvm-project/pull/87474
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