[all-commits] [llvm/llvm-project] 5f7f48: [AArch64] Add GPR rr instructions to isAssociative...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5f7f484ee54ebbf702ee4c5fe9852502dc237121
      https://github.com/llvm/llvm-project/commit/5f7f484ee54ebbf702ee4c5fe9852502dc237121
  Author: David Green <david.green at arm.com>
  Date:   2022-11-16 (Wed, 16 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