1 | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s |
2 | |
3 | // Test checks that 'mode' attribute is handled correctly with enums, i. e. code |
4 | // 1. "typedef enum { A } __attribute__((mode(HI))) T;" is accepted, |
5 | // 2. "enum X __attribute__((mode(QI))) var;" forms a complete integer type. |
6 | |
7 | int main() { |
8 | // CHECK: [[X1:%.+]] = alloca i8 |
9 | enum { A1, B1 } __attribute__((mode(QI))) x1 = A1; |
10 | |
11 | // CHECK: [[X2:%.+]] = alloca i16 |
12 | enum { A2, B2 } x2 __attribute__((mode(HI))) = B2; |
13 | |
14 | // CHECK: [[X3:%.+]] = alloca i32 |
15 | typedef enum { A3, B3 } __attribute__((mode(SI))) T3; |
16 | T3 x3 = A3; |
17 | |
18 | // CHECK: [[X4:%.+]] = alloca i64 |
19 | typedef enum { A4, B4 } T4 __attribute__((mode(DI))); |
20 | T4 x4 = B4; |
21 | |
22 | // CHECK: [[X5:%.+]] = alloca i8 |
23 | typedef enum __attribute__((mode(QI))) { A5, B5 } T5; |
24 | T5 x5 = A5; |
25 | |
26 | // CHECK: [[X6:%.+]] = alloca i8 |
27 | typedef enum X __attribute__((mode(QI))) T6; |
28 | T6 x6; |
29 | |
30 | // CHECK: [[X7:%.+]] = alloca i128 |
31 | enum { A7, B7 } __attribute__((mode(TI))) x7 = A7; |
32 | |
33 | // CHECK: [[X8:%.+]] = alloca i8 |
34 | enum __attribute__((mode(QI))) { A8, B8 } x8 = B8; |
35 | |
36 | // CHECK: store i8 0, i8* [[X1]] |
37 | // CHECK: store i16 1, i16* [[X2]] |
38 | // CHECK: store i32 0, i32* [[X3]] |
39 | // CHECK: store i64 1, i64* [[X4]] |
40 | // CHECK: store i8 0, i8* [[X5]] |
41 | // CHECK: store i128 0, i128* [[X7]] |
42 | // CHECK: store i8 1, i8* [[X8]] |
43 | |
44 | return x1 + x2 + x3 + x4 + x5 + x6 + x7 + x8; |
45 | } |
46 | |