[PATCH] D62963: [DAGCombine] GetNegatedExpression - constant float vector support (PR42105)

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon created this revision.
RKSimon added reviewers: arsenm, spatel, craig.topper.
Herald added subscribers: nhaehnle, wdng, jvesely.
Herald added a project: LLVM.

Add support for negation of constant build vectors - I haven't enabled handling of undefs in build vector - but can anyone think of a reason that I shouldn't?


Repository:
  rL LLVM

https://reviews.llvm.org/D62963

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/AMDGPU/fneg-fabs.f16.ll
  test/CodeGen/X86/fma_patterns.ll
  test/CodeGen/X86/fma_patterns_wide.ll
  test/CodeGen/X86/fp-fold.ll

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