[all-commits] [llvm/llvm-project] 3d41ef: AArch64: don't form indexed paired ops if base reg...

[Tim Northover via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3d41ef68e7eecef5fbb4ed43be91b44b583c7158
      https://github.com/llvm/llvm-project/commit/3d41ef68e7eecef5fbb4ed43be91b44b583c7158
  Author: Tim Northover <t.p.northover at gmail.com>
  Date:   2021-08-20 (Fri, 20 Aug 2021)

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

  Log Message:
  -----------
  AArch64: don't form indexed paired ops if base reg overlaps operands.

The registers involved might not be identical, but can still overlap (e.g.
"str w0, [x0, #4]!").