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

[Nikita Popov via llvm-branch-commits]

================
@@ -3377,6 +3377,11 @@ static void combineMetadata(Instruction *K, const 
Instruction *J,
           K->setMetadata(Kind,
             MDNode::getMostGenericAlignmentOrDereferenceable(JMD, KMD));
         break;
+      case LLVMContext::MD_callee_type:
+        if (!AAOnly)
+          K->setMetadata(Kind, MDNode::getMergedCalleeTypeMetadata(
+                                   K->getContext(), KMD, JMD));
----------------
nikic wrote:

This code appears to be untested. Check out existing metadata tests in 
SimplifyCFG.

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