[llvm] [UniformityAnalysis] Track uniform values for conservative divergence queries at IR level (PR #180509)

[Matt Arsenault via llvm-commits]

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@@ -51,6 +51,7 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SparseBitVector.h"
 #include "llvm/ADT/StringExtras.h"
+#include "llvm/IR/Argument.h"
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arsenm wrote:

This cannot depend on an IR header 

https://github.com/llvm/llvm-project/pull/180509