[llvm] [AMDGPU] Invalidate uniformity info after intrinsic combine (PR #222357)

[Yaxun Liu via llvm-commits]

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@@ -0,0 +1,67 @@
+; REQUIRES: asserts
+; RUN: opt -mtriple=amdgpu10.10-amd-amdhsa \
+; RUN:   -passes='amdgpu-uniform-intrinsic-combine,reassociate' \
+; RUN:   -verify-analysis-invalidation -disable-output < %s
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yxsamliu wrote:

Added FileCheck coverage. One run checks that the combine removes the unused ballot and rewrites the other ballot. The separate run still checks analysis invalidation with reassociate.

https://github.com/llvm/llvm-project/pull/222357