[PATCH] D62223: [DAGCombiner][X86][AArch64][AMDGPU] (x + C) - y -> (x - y) + C fold

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 201694.
lebedev.ri added a comment.

Rebased, NFC.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62223/new/

https://reviews.llvm.org/D62223

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/AArch64/shift-amount-mod.ll
  test/CodeGen/AArch64/sink-addsub-of-const.ll
  test/CodeGen/AMDGPU/llvm.amdgcn.s.barrier.ll
  test/CodeGen/X86/combine-add.ll
  test/CodeGen/X86/ragreedy-hoist-spill.ll
  test/CodeGen/X86/shift-amount-mod.ll
  test/CodeGen/X86/sink-addsub-of-const.ll
  test/CodeGen/X86/zext-sext.ll

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