| // RUN: %clang_cc1 -emit-llvm -o - -O1 %s | FileCheck %s | 
 | // | 
 | // Check that we generate !tbaa.struct metadata for struct copies. | 
 | struct A { | 
 |   short s; | 
 |   int i; | 
 |   char c; | 
 |   int j; | 
 | }; | 
 |  | 
 | void copy(struct A *a, struct A *b) { | 
 |   *a = *b; | 
 | } | 
 |  | 
 | // CHECK: target datalayout = "{{.*}}p:[[P:64|32]] | 
 | // CHECK: call void @llvm.memcpy.p0i8.p0i8.i[[P]](i8* %{{.*}}, i8* %{{.*}}, i[[P]] 16, i32 4, i1 false), !tbaa.struct [[TS:!.*]] | 
 | // CHECK: [[TS]] = metadata !{i64 0, i64 2, metadata !{{.*}}, i64 4, i64 4, metadata !{{.*}}, i64 8, i64 1, metadata !{{.*}}, i64 12, i64 4, metadata !{{.*}}} |