[llvm] [DebugInfo][LICM] Fix missing debug location updates (PR #91729)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -0,0 +1,78 @@
+; RUN: opt -passes=licm -verify-memoryssa -S < %s | FileCheck %s
+
+; Test that LICM's hoistRegin() 
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OCHyams wrote:

Is this comment unfinished?

https://github.com/llvm/llvm-project/pull/91729