| Dan Gohman | b22c7dc | 2012-09-28 21:58:29 +0000 | [diff] [blame] | 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 | |
| 11 | void copy(struct A *a, struct A *b) { |
| 12 | *a = *b; |
| 13 | } |
| 14 | |
| NAKAMURA Takumi | 436e825 | 2012-09-29 02:00:04 +0000 | [diff] [blame] | 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:!.*]] |
| Dan Gohman | b22c7dc | 2012-09-28 21:58:29 +0000 | [diff] [blame] | 17 | // CHECK: [[TS]] = metadata !{i64 0, i64 2, metadata !{{.*}}, i64 4, i64 4, metadata !{{.*}}, i64 8, i64 1, metadata !{{.*}}, i64 12, i64 4, metadata !{{.*}}} |