[llvm] [AMDGPU][Uniformity][TTI] Make Uniformity Analysis Operand-Aware with Custom Target Hook (PR #137639)

[Pankaj Dwivedi via llvm-commits]

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@@ -420,6 +428,10 @@ template <typename ContextT> class GenericUniformityAnalysisImpl {
   // Internal worklist for divergence propagation.
   std::vector<const InstructionT *> Worklist;
 
+  // Map containing tracked instruction that can be proven uniform based on its
+  // operand Uniformity.
+  DenseMap<const InstructionT *, InstructionUniformity> UniformInstruction;
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PankajDwivedi-25 wrote:

true, `Denseset` should be fine?

https://github.com/llvm/llvm-project/pull/137639