[all-commits] [llvm/llvm-project] cff219: Revert "[GISel][AArch64][AMDGPU][RISCV] Canonicali...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cff2199e0f0e54177997ecf9571ba874231cefe4
      https://github.com/llvm/llvm-project/commit/cff2199e0f0e54177997ecf9571ba874231cefe4
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2024-11-06 (Wed, 06 Nov 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
    M llvm/include/llvm/Target/GlobalISel/Combine.td
    M llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
    M llvm/lib/Target/RISCV/RISCVGISel.td
    M llvm/test/CodeGen/AArch64/GlobalISel/combine-integer.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/combine-narrow-binop.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/prelegalizercombiner-extending-loads-cornercases.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/prelegalizercombiner-trivial-arith.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/ashr.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/cvt_f32_ubyte.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fdiv.f32.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fshl.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fshr.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/lshr.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/shl.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/ssubsat.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/sub.v2i16.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/urem.i32.ll
    M llvm/test/CodeGen/AMDGPU/ctlz.ll
    M llvm/test/CodeGen/AMDGPU/div_i128.ll
    M llvm/test/CodeGen/AMDGPU/div_v2i128.ll
    M llvm/test/CodeGen/AMDGPU/fptoi.i128.ll
    M llvm/test/CodeGen/AMDGPU/itofp.i128.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.s.barrier.ll
    M llvm/test/CodeGen/AMDGPU/llvm.is.fpclass.f16.ll
    M llvm/test/CodeGen/AMDGPU/shrink-add-sub-constant.ll
    M llvm/test/CodeGen/RISCV/GlobalISel/alu-roundtrip.ll
    M llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/alu-rv32.mir
    M llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/alu-rv64.mir
    M llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/jump-table-brjt-medium-rv64.mir
    M llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/jump-table-brjt-pic-rv32.mir
    M llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/jump-table-brjt-pic-rv64.mir
    M llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/jump-table-brjt-rv32.mir
    M llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/jump-table-brjt-small-rv64.mir
    M llvm/test/CodeGen/RISCV/GlobalISel/rv32zbb-zbkb.ll

  Log Message:
  -----------
  Revert "[GISel][AArch64][AMDGPU][RISCV] Canonicalize (sub X, C) -> (add X, -C) (#114309)"

This reverts commit 999dfb2067eb75609b735944af876279025ac171.

I received a report that his may have increased fallbacks on AArch64.



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