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

[Nikita Popov via llvm-branch-commits]

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@@ -4161,6 +4161,11 @@ Instruction *InstCombinerImpl::visitCallBase(CallBase &Call) {
             Call, Builder.CreateBitOrPointerCast(ReturnedArg, CallTy));
     }
 
+  // Drop unnecessary callee_type metadata from calls that were converted
+  // into direct calls.
+  if (Call.getMetadata(LLVMContext::MD_callee_type) && !Call.isIndirectCall())
+    Call.setMetadata(LLVMContext::MD_callee_type, nullptr);
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nikic wrote:

Should indicate IR change.

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