[all-commits] [llvm/llvm-project] befa92: [MachineLICM][AArch64] Hoist COPY instructions wit...

[Rin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: befa925acac8fd6a9266e76acdec8d8c664abdc8
      https://github.com/llvm/llvm-project/commit/befa925acac8fd6a9266e76acdec8d8c664abdc8
  Author: Rin <irina.dobrescu at arm.com>
  Date:   2023-11-20 (Mon, 20 Nov 2023)

  Changed paths:
    M llvm/lib/CodeGen/MachineLICM.cpp
    M llvm/test/CodeGen/AArch64/tbl-loops.ll
    M llvm/test/CodeGen/AArch64/zext-to-tbl.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fp64-atomics-gfx90a.ll
    M llvm/test/CodeGen/AMDGPU/flat_atomics_i32_system.ll
    M llvm/test/CodeGen/AMDGPU/flat_atomics_i64_system.ll
    M llvm/test/CodeGen/AMDGPU/fp64-atomics-gfx90a.ll
    M llvm/test/CodeGen/AMDGPU/global-load-saddr-to-vaddr.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_i32_system.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_i64_system.ll
    M llvm/test/CodeGen/AMDGPU/local-atomics-fp.ll
    M llvm/test/CodeGen/AMDGPU/memcpy-crash-issue63986.ll
    M llvm/test/CodeGen/AMDGPU/optimize-negated-cond.ll
    M llvm/test/CodeGen/AMDGPU/promote-constOffset-to-imm.ll
    M llvm/test/CodeGen/AMDGPU/remat-fp64-constants.ll
    M llvm/test/CodeGen/AMDGPU/sdiv64.ll
    M llvm/test/CodeGen/AMDGPU/sdwa-peephole.ll
    M llvm/test/CodeGen/AMDGPU/srem64.ll
    M llvm/test/CodeGen/AMDGPU/udiv64.ll
    M llvm/test/CodeGen/AMDGPU/urem64.ll
    M llvm/test/CodeGen/X86/2007-01-13-StackPtrIndex.ll
    M llvm/test/CodeGen/X86/2009-02-26-MachineLICMBug.ll
    M llvm/test/CodeGen/X86/avx512-i1test.ll
    M llvm/test/CodeGen/X86/pr38795.ll
    M llvm/test/CodeGen/X86/pr53842.ll
    M llvm/test/CodeGen/X86/pr63108.ll
    M llvm/test/CodeGen/X86/vector-shift-by-select-loop.ll

  Log Message:
  -----------
  [MachineLICM][AArch64] Hoist COPY instructions with other uses in the loop (#71403)

When there is a COPY instruction in the loop with other uses, we want to
hoist the COPY, which in turn leads to the users being hoisted as well.

Co-authored-by David Green : David.Green at arm.com