[all-commits] [llvm/llvm-project] e7f9d8: [AArch64] Lower alias mask to a whilewr (#100769)

[Sam Tebbs via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e7f9d8e5c3e49e729c69aaa9be3322f7902370b8
      https://github.com/llvm/llvm-project/commit/e7f9d8e5c3e49e729c69aaa9be3322f7902370b8
  Author: Sam Tebbs <samuel.tebbs at arm.com>
  Date:   2024-08-02 (Fri, 02 Aug 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    A llvm/test/CodeGen/AArch64/whilewr.ll

  Log Message:
  -----------
  [AArch64] Lower alias mask to a whilewr (#100769)

https://github.com/llvm/llvm-project/pull/100579 emits IR that creates a
mask disabling lanes that could alias within a loop iteration, based on
a pair of pointers. This PR lowers that IR to the WHILEWR instruction
for AArch64.



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