// RUN: %clang_cc1 -triple x86_64-linux -O1 -disable-llvm-passes %s \ // RUN: -emit-llvm -o - | FileCheck %s -check-prefixes=CHECK,OLD-PATH // RUN: %clang_cc1 -triple x86_64-linux -O1 -disable-llvm-passes %s \ // RUN: -emit-llvm -new-struct-path-tbaa -o - | FileCheck %s -check-prefixes=CHECK,NEW-PATH // // Check that we generate correct TBAA information for lvalues constructed // with use of casts. struct V { unsigned n; }; struct S { char bytes[4]; }; void foo(S *p) { // CHECK-LABEL: _Z3fooP1S // CHECK: store i32 5, {{.*}}, !tbaa [[TAG_V_n:!.*]] ((V*)p->bytes)->n = 5; } // OLD-PATH-DAG: [[TAG_V_n]] = !{[[TYPE_V:!.*]], [[TYPE_int:!.*]], i64 0} // OLD-PATH-DAG: [[TYPE_V]] = !{!"_ZTS1V", !{{.*}}, i64 0} // OLD-PATH-DAG: [[TYPE_int]] = !{!"int", !{{.*}}, i64 0} // NEW-PATH-DAG: [[TAG_V_n]] = !{[[TYPE_V:!.*]], [[TYPE_int:!.*]], i64 0, i64 4} // NEW-PATH-DAG: [[TYPE_V]] = !{[[TYPE_char:!.*]], i64 4, !"_ZTS1V", [[TYPE_int]], i64 0, i64 4} // NEW-PATH-DAG: [[TYPE_int]] = !{[[TYPE_char]], i64 4, !"int"} |