[PATCH] D128123: [SDAG] try to replace subtract-from-constant with xor

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jul 8 05:17:01 PDT 2022


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG8b756713140f: [SDAG] try to replace subtract-from-constant with xor (authored by spatel).

Changed prior to commit:
  https://reviews.llvm.org/D128123?vs=441412&id=443216#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D128123/new/

https://reviews.llvm.org/D128123

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/Target/X86/X86InstrCompiler.td
  llvm/test/CodeGen/AArch64/sub1.ll
  llvm/test/CodeGen/AMDGPU/ds-sub-offset.ll
  llvm/test/CodeGen/AMDGPU/setcc-multiple-use.ll
  llvm/test/CodeGen/ARM/intrinsics-overflow.ll
  llvm/test/CodeGen/ARM/usub_sat.ll
  llvm/test/CodeGen/ARM/usub_sat_plus.ll
  llvm/test/CodeGen/PowerPC/bool-math.ll
  llvm/test/CodeGen/PowerPC/select_const.ll
  llvm/test/CodeGen/RISCV/atomic-rmw.ll
  llvm/test/CodeGen/RISCV/atomic-signext.ll
  llvm/test/CodeGen/SPARC/64bit.ll

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