[PATCH] D90901: [X86] Don't fold (fneg (fma (fneg X), Y, (fneg Z))) to (fma X, Y, Z)
Jim Lin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed May 19 19:39:43 PDT 2021
Jim updated this revision to Diff 346618.
Jim added a comment.
Rebase and update testcases.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D90901/new/
https://reviews.llvm.org/D90901
Files:
llvm/lib/Target/X86/X86ISelLowering.cpp
llvm/test/CodeGen/X86/avx2-fma-fneg-combine.ll
llvm/test/CodeGen/X86/fma-fneg-combine.ll
llvm/test/CodeGen/X86/fma-signed-zero.ll
llvm/test/CodeGen/X86/fma_patterns.ll
llvm/test/CodeGen/X86/fma_patterns_wide.ll
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