[llvm] [CodeGen][ARM64EC] Add support for hybrid_patchable attribute. (PR #92965)

[Eli Friedman via llvm-commits]

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@@ -57,15 +59,21 @@ class AArch64Arm64ECCallLowering : public ModulePass {
   Function *buildEntryThunk(Function *F);
   void lowerCall(CallBase *CB);
   Function *buildGuestExitThunk(Function *F);
-  bool processFunction(Function &F, SetVector<Function *> &DirectCalledFns);
+  Function *buildPatchableThunk(GlobalAlias *UnmangledAlias,
+                                GlobalAlias *MangledAlias);
+  bool processFunction(Function &F, SetVector<GlobalValue *> &DirectCalledFns,
+                       std::map<GlobalAlias *, GlobalAlias *> &FnsMap);
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efriedma-quic wrote:

Can you use DenseMap here?

https://github.com/llvm/llvm-project/pull/92965