50 lines · c
1// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s2// END.3 4static long long llfoo;5static int intfoo;6static short shortfoo;7static char charfoo;8 9// CHECK: private unnamed_addr constant [13 x i8] {{.*}}annotation_a{{.*}} section "llvm.metadata"10// CHECK-NOT: {{.*}}annotation_a{{.*}}11 12static int foo(int a) {13 return a + 1;14}15 16int main(int argc, char **argv) {17 char barray[16];18 char *b = (char *) __builtin_annotation((int)barray, "annotation_a");19// CHECK: ptrtoint ptr {{.*}} to i3220// CHECK-NEXT: call i32 @llvm.annotation.i3221// CHECK: inttoptr {{.*}} to ptr22 23 int call = __builtin_annotation(foo(argc), "annotation_a");24// CHECK: call {{.*}} @foo25// CHECK: call i32 @llvm.annotation.i3226 27 long long lla = __builtin_annotation(llfoo, "annotation_a");28// CHECK: call i64 @llvm.annotation.i6429 30 int inta = __builtin_annotation(intfoo, "annotation_a");31// CHECK: load i32, ptr @intfoo32// CHECK-NEXT: call i32 @llvm.annotation.i3233// CHECK-NEXT: store34 35 short shorta = __builtin_annotation(shortfoo, "annotation_a");36// CHECK: call i16 @llvm.annotation.i1637 38 char chara = __builtin_annotation(charfoo, "annotation_a");39// CHECK: call i8 @llvm.annotation.i840 41 char **arg = (char**) __builtin_annotation((int) argv, "annotation_a");42// CHECK: ptrtoint ptr {{.*}} to43// CHECK: call i32 @llvm.annotation.i3244// CHECK: inttoptr {{.*}} to ptr45 return 0;46 47 int after_return = __builtin_annotation(argc, "annotation_a");48// CHECK-NOT: call i32 @llvm.annotation.i3249}50