fix(Writer): don't compile virtual/downcast if there are no uses

leaningtech · Oct 17, 2024 · c01ea7e · c01ea7e
1 parent b15f598
commit c01ea7e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/llvm/lib/CheerpWriter/CheerpWriter.cpp b/llvm/lib/CheerpWriter/CheerpWriter.cpp
@@ -895,11 +895,15 @@ CheerpWriter::COMPILE_INSTRUCTION_FEEDBACK CheerpWriter::handleBuiltinCall(const
 	}
 	else if(intrinsicId==Intrinsic::cheerp_virtualcast)
 	{
+		if(callV.use_empty())
+			return COMPILE_EMPTY;
 		compileVirtualcast( callV );
 		return COMPILE_OK;
 	}
 	else if(intrinsicId==Intrinsic::cheerp_downcast)
 	{
+		if(callV.use_empty())
+			return COMPILE_EMPTY;
 		compileDowncast( callV );
 		return COMPILE_OK;
 	}