[llvm] [NewGVN][1/3] Load coercion between load and store (PR #68659)

[via llvm-commits]

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@@ -653,6 +658,16 @@ class NewGVN {
   // Deletion info.
   SmallPtrSet<Instruction *, 8> InstructionsToErase;
 
+  // Map candidate load to their depending instructions.
+  mutable std::map<Value *, DenseSet<std::pair<Instruction *, BasicBlock *>>>
+      LoadCoercion;
+
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ManuelJBrito wrote:

I don't quite understand the logic of keeping a set o dependent instructions. AFAICT the size of this set will always be at most 1.

https://github.com/llvm/llvm-project/pull/68659