[llvm-branch-commits] [clang] [llvm] [llvm] Introduce callee_type metadata (PR #87573)

[Prabhu Rajasekaran via llvm-branch-commits]

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@@ -3423,6 +3424,17 @@ static void combineMetadata(Instruction *K, const Instruction *J,
                    MDNode::getMergedCallsiteMetadata(KCallSite, JCallSite));
   }
 
+  // Merge callee_type metadata.
+  // Handle separately to support cases where only one instruction has the
+  // metadata.
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Prabhuk wrote:

Interesting question. My assumption here is that the callee operand of the merged call instructions are the same. Assuming that is correct, presence of at least one callee_type metadata guarantees what the type of the intended callee must be. 

https://github.com/llvm/llvm-project/pull/87573