diff options
Diffstat (limited to 'clang/test/CodeGen/attr-callback.c')
| -rw-r--r-- | clang/test/CodeGen/attr-callback.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/clang/test/CodeGen/attr-callback.c b/clang/test/CodeGen/attr-callback.c new file mode 100644 index 00000000000..5d96b835285 --- /dev/null +++ b/clang/test/CodeGen/attr-callback.c @@ -0,0 +1,28 @@ +// RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s + +void cb0(void); + +// CHECK-DAG: !callback ![[cid0:[0-9]+]] void @no_args +__attribute__((callback(1))) void no_args(void (*callback)(void)); + +// CHECK-DAG: @args_1({{[^#]*#[0-9]+}} !callback ![[cid1:[0-9]+]] +__attribute__((callback(1, 2, 3))) void args_1(void (*callback)(int, double), int a, double b) { no_args(cb0); } + +// CHECK-DAG: !callback ![[cid2:[0-9]+]] void @args_2a +__attribute__((callback(2, 3, 3))) void args_2a(int a, void (*callback)(double, double), double b); +// CHECK-DAG: !callback ![[cid2]] void @args_2b +__attribute__((callback(callback, b, b))) void args_2b(int a, void (*callback)(double, double), double b); + +// CHECK-DAG: void @args_3a({{[^#]*#[0-9]+}} !callback ![[cid3:[0-9]+]] +__attribute__((callback(2, -1, -1))) void args_3a(int a, void (*callback)(double, double), double b) { args_2a(a, callback, b); } +// CHECK-DAG: void @args_3b({{[^#]*#[0-9]+}} !callback ![[cid3]] +__attribute__((callback(callback, __, __))) void args_3b(int a, void (*callback)(double, double), double b) { args_2b(a, callback, b); } + +// CHECK-DAG: ![[cid0]] = !{![[cid0b:[0-9]+]]} +// CHECK-DAG: ![[cid0b]] = !{i64 0, i1 false} +// CHECK-DAG: ![[cid1]] = !{![[cid1b:[0-9]+]]} +// CHECK-DAG: ![[cid1b]] = !{i64 0, i64 1, i64 2, i1 false} +// CHECK-DAG: ![[cid2]] = !{![[cid2b:[0-9]+]]} +// CHECK-DAG: ![[cid2b]] = !{i64 1, i64 2, i64 2, i1 false} +// CHECK-DAG: ![[cid3]] = !{![[cid3b:[0-9]+]]} +// CHECK-DAG: ![[cid3b]] = !{i64 1, i64 -1, i64 -1, i1 false} |
