[PATCH] D77319: [DAGCombine] Remove the getNegatibleCost to avoid the out of sync with getNegatedExpression

[Qing Shan Zhang via Phabricator via llvm-commits]

steven.zhang updated this revision to Diff 256923.
steven.zhang marked an inline comment as done.
steven.zhang added a comment.

Rebase the patch and add the assertion string, necessary comments and the crash test of D76638 <https://reviews.llvm.org/D76638>.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77319/new/

https://reviews.llvm.org/D77319

Files:
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86ISelLowering.h
  llvm/test/CodeGen/PowerPC/qpx-recipest.ll
  llvm/test/CodeGen/X86/neg_fp.ll

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