[all-commits] [llvm/llvm-project] 5a069e: [AArch64] Don't try to sink and(load) (#122274)

David Green via All-commits all-commits at lists.llvm.org
Fri Jan 10 03:55:09 PST 2025


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5a069eac5fbb7752e7602b783ee0102e8269c47a
      https://github.com/llvm/llvm-project/commit/5a069eac5fbb7752e7602b783ee0102e8269c47a
  Author: David Green <david.green at arm.com>
  Date:   2025-01-10 (Fri, 10 Jan 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    M llvm/test/CodeGen/AArch64/aarch64-dup-ext-crash.ll

  Log Message:
  -----------
  [AArch64] Don't try to sink and(load) (#122274)

If we sink the and in and(load), CGP can hoist is back again to the
load, getting into an infinite loop. This prevents sinking the and in
this case.

Fixes #122074



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