[llvm] [AArch64] Lower alias mask to a whilewr (PR #100769)

[David Green via llvm-commits]

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@@ -0,0 +1,127 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
+; RUN: llc %s -mtriple=aarch64-linux-gnu -O3 -mattr=+sve2 -o - | FileCheck %s
+; RUN: llc %s -mtriple=aarch64-linux-gnu -O3 -mattr=+sve -o - | FileCheck %s --check-prefix=CHECK-NOSVE2
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davemgreen wrote:

Can you remove -O3?

https://github.com/llvm/llvm-project/pull/100769