[CIR] Remove duplicated annotation definition

Author: Sharp0802

clang/lib/CIR/Dialect/Transforms/LoweringPrepare.cpp

@@ -1610,6 +1610,10 @@ void LoweringPreparePass::runOnOperation() {
   buildCXXGlobalInitFunc();
   buildGlobalCtorDtorList();
   buildGlobalAnnotationValues();
+  
+  if (theModule && theModule->hasAttr("cir.global_annotations")) {
+    theModule->removeAttr("cir.global_annotations");
+  }
 }
 
 std::unique_ptr<Pass> mlir::createLoweringPreparePass() {

clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp

@@ -2190,6 +2190,11 @@ mlir::LogicalResult CIRToLLVMFuncOpLowering::matchAndRewrite(
     cir::FuncOp op, OpAdaptor adaptor,
     mlir::ConversionPatternRewriter &rewriter) const {
 
+  mlir::ModuleOp module = op->getParentOfType<mlir::ModuleOp>();
+  if (module->hasAttr("cir.global_annotations")) {
+    op->removeAttr("annotations");
+  }
+
   auto fnType = op.getFunctionType();
   auto isDsoLocal = op.getDsoLocal();
   mlir::TypeConverter::SignatureConversion signatureConversion(