tbaa-struct.cpp revision 436e825809519a7ff6d99c3177b7f64ab96a057c
1// RUN: %clang_cc1 -emit-llvm -o - -O1 %s | FileCheck %s 2// 3// Check that we generate !tbaa.struct metadata for struct copies. 4struct A { 5 short s; 6 int i; 7 char c; 8 int j; 9}; 10 11void 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