modified implementation

Author: shrikardongre

clang/lib/CIR/CodeGen/CIRGenBuiltinX86.cpp

@@ -107,8 +107,9 @@ mlir::Value CIRGenFunction::emitX86BuiltinExpr(unsigned BuiltinID,
         cir::PointerType::get(cir::VoidType::get(&getMLIRContext()));
     auto CastToVoid = builder.create<cir::CastOp>(
         loc, voidPtrType, cir::CastKind::bitcast, Ops[0]);
-    return builder.create<cir::PrefetchOp>(loc, CastToVoid, Locality, isWrite)
-        ->getResult(0);
+    auto res =
+        builder.create<cir::PrefetchOp>(loc, CastToVoid, Locality, isWrite);
+    return res->getResult(0);
   }
   case X86::BI_mm_clflush: {
     mlir::Type voidTy = cir::VoidType::get(&getMLIRContext());

clang/test/CIR/CodeGen/X86/builtins-x86.c

@@ -10,8 +10,8 @@ void test_mm_prefetch(char const* p) {
   // CIR-LABEL: test_mm_prefetch
   // LLVM-LABEL: test_mm_prefetch
   _mm_prefetch(p, 0);
-  // CIR: {{%.*}} = 
-  // LLVM: call void @llvm.prefetch.p0(ptr {{.*}}, i32 0, i32 0, i32 1)
+  // CIR: {{%.*}} = cir.prefetch(%3 : !cir.ptr<!void>) locality(0) read 
+  // LLVM: call void @llvm.prefetch.p0(ptr {{%.*}}, i32 0, i32 0, i32 1)
 }
 
 void test_mm_clflush(const void* tmp_vCp) {