1 // RUN: %clang_cc1 -no-opaque-pointers -S -emit-llvm -o - -triple=x86_64-linux-gnu %s | FileCheck %s -check-prefix=CHECK-YES
2 // RUN: %clang_cc1 -no-opaque-pointers -S -emit-llvm -o - -fno-delete-null-pointer-checks -triple=x86_64-linux-gnu %s | FileCheck %s -check-prefix=CHECK-NO
3 
4 struct Struct {
5   int many;
6   int member;
7   int fields;
8   void ReturnsVoid();
9 };
10 
11 void TestReturnsVoid(Struct &s) {
12   s.ReturnsVoid();
13 
14   // CHECK-YES: call void @_ZN6Struct11ReturnsVoidEv(%struct.Struct* noundef nonnull align 4 dereferenceable(12) %0)
15   /// FIXME Use dereferenceable after dereferenceable respects NullPointerIsValid.
16   // CHECK-NO: call void @_ZN6Struct11ReturnsVoidEv(%struct.Struct* noundef align 4 dereferenceable_or_null(12) %0)
17 }
18 
19 // CHECK-YES: declare void @_ZN6Struct11ReturnsVoidEv(%struct.Struct* noundef nonnull align 4 dereferenceable(12))
20 // CHECK-NO: declare void @_ZN6Struct11ReturnsVoidEv(%struct.Struct* noundef align 4 dereferenceable_or_null(12))
21