| // RUN: %clang_cc1 -triple x86_64-linux -O1 -disable-llvm-passes %s \ |
| // RUN: -emit-llvm -o - | FileCheck %s |
| // |
| // Check that we generate correct TBAA information for accesses to array |
| // elements. |
| |
| struct A { int i; }; |
| struct B { A a[1]; }; |
| |
| int foo(B *b) { |
| // CHECK-LABEL: _Z3fooP1B |
| // CHECK: load i32, {{.*}}, !tbaa [[TAG_A_i:!.*]] |
| return b->a->i; |
| } |
| |
| // CHECK-DAG: [[TAG_A_i]] = !{[[TYPE_A:!.*]], [[TYPE_int:!.*]], i64 0} |
| // CHECK-DAG: [[TYPE_A]] = !{!"_ZTS1A", !{{.*}}, i64 0} |
| // CHECK-DAG: [[TYPE_int]] = !{!"int", !{{.*}}, i64 0} |
