[llvm-branch-commits] [llvm] [AArch64] Fold zero-high vector inserts in MI peephole optimisation (PR #182835)

[David Green via llvm-branch-commits]

================
@@ -0,0 +1,13 @@
+; RUN: llc -mtriple=aarch64-none-linux-gnu -start-before=aarch64-isel %s -o /dev/null
----------------
davemgreen wrote:

-filetype=null
If -start-before=aarch64-isel isn't needed you could run the whole pipeline too. And sometimes it's worth adding runtime checks too, just as it makes the test a little more useful in the long run.

https://github.com/llvm/llvm-project/pull/182835