[all-commits] [llvm/llvm-project] bcc5b4: Reapply "[AArch64] Merge LDRSWpre-LD[U]RSW pair in...

[Zhuojia Shen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bcc5b48b0f24bfa73ce1bb14e6031f1dd63f0043
      https://github.com/llvm/llvm-project/commit/bcc5b48b0f24bfa73ce1bb14e6031f1dd63f0043
  Author: Zhuojia Shen <chaosdefinition at hotmail.com>
  Date:   2023-09-22 (Fri, 22 Sep 2023)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
    M llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
    M llvm/test/CodeGen/AArch64/ldrpre-ldr-merge.mir

  Log Message:
  -----------
  Reapply "[AArch64] Merge LDRSWpre-LD[U]RSW pair into LDPSWpre"

This reverts commit 0def4e6b0f638b97a73bd4674365961d8fabda28, applies a
quick fix that disallows merging two pre-indexed loads, and adds MIR
regression tests.

Differential Revision: https://reviews.llvm.org/D152407