[llvm] [AArch64][GlobalISel] Add handling for cls intrinsic (PR #200440)

[David Green via llvm-commits]

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@@ -1,48 +1,68 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
 ; RUN: llc < %s -mtriple=arm64-eabi -aarch64-neon-syntax=apple | FileCheck %s
+; RUN: llc < %s -mtriple=arm64-eabi -aarch64-neon-syntax=apple -global-isel -global-isel-abort=2 2>&1 | FileCheck %s
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davemgreen wrote:

If nothing is falling back, you can remove `-global-isel-abort=2 2>&1` now. It helps protect against starting to fall back again.

https://github.com/llvm/llvm-project/pull/200440