[all-commits] [llvm/llvm-project] 6a353c: [AArch64] Add GPR rr instructions to isAssociative...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6a353c7756f2def4bbc48b4c76c8f173f05a6fa0
      https://github.com/llvm/llvm-project/commit/6a353c7756f2def4bbc48b4c76c8f173f05a6fa0
  Author: David Green <david.green at arm.com>
  Date:   2022-11-27 (Sun, 27 Nov 2022)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/arm64-atomic.ll
    M llvm/test/CodeGen/AArch64/GlobalISel/arm64-pcsections.ll
    M llvm/test/CodeGen/AArch64/aarch64-dynamic-stack-layout.ll
    M llvm/test/CodeGen/AArch64/arm64-rev.ll
    M llvm/test/CodeGen/AArch64/cmp-chains.ll
    M llvm/test/CodeGen/AArch64/reduce-and.ll
    M llvm/test/CodeGen/AArch64/reduce-or.ll
    M llvm/test/CodeGen/AArch64/reduce-xor.ll
    M llvm/test/CodeGen/AArch64/swift-return.ll
    M llvm/test/CodeGen/AArch64/vecreduce-and-legalization.ll

  Log Message:
  -----------
  [AArch64] Add GPR rr instructions to isAssociativeAndCommutative

This adds some more scalar instructions that are both associative and
commutative to isAssociativeAndCommutative, allowing the machine
combiner to reassociate them to reduce critical path length.

Differential Revision: https://reviews.llvm.org/D134260