| // RUN: %clang_cc1 -triple x86_64-apple-darwin -O1 -disable-llvm-passes %s -emit-llvm -o - | FileCheck %s |
| // Test TBAA metadata generated by front-end (vector types are always treated as mayalias). |
| |
| typedef float __m128 __attribute__ ((__vector_size__ (16))); |
| |
| struct A { |
| __m128 a, b; |
| }; |
| |
| void foo(A *a, __m128 v) { |
| // CHECK-LABEL: define{{.*}} void @_Z3fooP1ADv4_f |
| a->a = v; |
| // CHECK: store <4 x float> %v, ptr %{{.*}}, align 16, !tbaa [[TAG_char:!.*]] |
| // CHECK: store <4 x float> %{{.*}}, ptr %{{.*}}, align 16, !tbaa [[TAG_char]] |
| } |
| |
| // CHECK: [[TYPE_char:!.*]] = !{!"omnipotent char", [[TAG_cxx_tbaa:!.*]], |
| // CHECK: [[TAG_cxx_tbaa]] = !{!"Simple C++ TBAA"} |
| // CHECK: [[TAG_char]] = !{[[TYPE_char]], [[TYPE_char]], i64 0} |
| |
