[clang] [llvm] [AMDGPU] Infer amdgpu-no-flat-scratch-init attribute in AMDGPUAttributor (PR #94647)

[Shilei Tian via cfe-commits]

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@@ -439,6 +439,26 @@ struct AAAMDAttributesFunction : public AAAMDAttributes {
       indicatePessimisticFixpoint();
       return;
     }
+
+    SmallPtrSet<const Constant *, 8> VisitedConsts;
+
+    for (Instruction &I : instructions(F)) {
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shiltian wrote:

I don't think it is generally a good idea to put this logic into `initialize` unless it can directly changes the status of the AA.

https://github.com/llvm/llvm-project/pull/94647