1 // RUN: %clang_cc1 -emit-llvm -o - -O1 %s | FileCheck %s
2 //
3 // Check that we generate !tbaa.struct metadata for struct copies.
4 struct A {
5 short s;
6 int i;
7 char c;
8 int j;
9 };
10
copy(struct A * a,struct A * b)11 void copy(struct A *a, struct A *b) {
12 *a = *b;
13 }
14
15 // CHECK: target datalayout = "{{.*}}p:[[P:64|32]]
16 // CHECK: call void @llvm.memcpy.p0i8.p0i8.i[[P]](i8* %{{.*}}, i8* %{{.*}}, i[[P]] 16, i32 4, i1 false), !tbaa.struct [[TS:!.*]]
17 // CHECK: [[TS]] = metadata !{i64 0, i64 2, metadata !{{.*}}, i64 4, i64 4, metadata !{{.*}}, i64 8, i64 1, metadata !{{.*}}, i64 12, i64 4, metadata !{{.*}}}
18