[llvm-branch-commits] [llvm] [pgo] add means to specify "unknown" MD_prof (PR #145578)

[Mircea Trofin via llvm-branch-commits]

================
@@ -0,0 +1,30 @@
+; Test branch weight unknown validation
+
+; RUN: split-file %s %t
+; RUN: opt -passes=verify %t/correct.ll --disable-output
+; RUN: not opt -passes=verify %t/incorrect.ll --disable-output
----------------
mtrofin wrote:

yes, and I'll move these to llvm/test/Verifier/branch-weights.ll from the last patch

https://github.com/llvm/llvm-project/pull/145578