1 | // RUN: %clang_cc1 -triple lanai-unknown-unknown %s -emit-llvm -o - \ |
2 | // RUN: | FileCheck %s |
3 | |
4 | // Basic argument/attribute tests for Lanai. |
5 | |
6 | // CHECK: define void @f0(i32 inreg %i, i32 inreg %j, i64 inreg %k) |
7 | void f0(int i, long j, long long k) {} |
8 | |
9 | typedef struct { |
10 | int aa; |
11 | int bb; |
12 | } s1; |
13 | // CHECK: define void @f1(i32 inreg %i.coerce0, i32 inreg %i.coerce1) |
14 | void f1(s1 i) {} |
15 | |
16 | typedef struct { |
17 | int cc; |
18 | } s2; |
19 | // CHECK: define void @f2(%struct.s2* noalias sret %agg.result) |
20 | s2 f2() { |
21 | s2 foo; |
22 | return foo; |
23 | } |
24 | |
25 | typedef struct { |
26 | int cc; |
27 | int dd; |
28 | } s3; |
29 | // CHECK: define void @f3(%struct.s3* noalias sret %agg.result) |
30 | s3 f3() { |
31 | s3 foo; |
32 | return foo; |
33 | } |
34 | |
35 | // CHECK: define void @f4(i64 inreg %i) |
36 | void f4(long long i) {} |
37 | |
38 | // CHECK: define void @f5(i8 inreg %a, i16 inreg %b) |
39 | void f5(char a, short b) {} |
40 | |
41 | // CHECK: define void @f6(i8 inreg %a, i16 inreg %b) |
42 | void f6(unsigned char a, unsigned short b) {} |
43 | |
44 | enum my_enum { |
45 | ENUM1, |
46 | ENUM2, |
47 | ENUM3, |
48 | }; |
49 | // Enums should be treated as the underlying i32. |
50 | // CHECK: define void @f7(i32 inreg %a) |
51 | void f7(enum my_enum a) {} |
52 | |
53 | enum my_big_enum { |
54 | ENUM4 = 0xFFFFFFFFFFFFFFFF, |
55 | }; |
56 | // Big enums should be treated as the underlying i64. |
57 | // CHECK: define void @f8(i64 inreg %a) |
58 | void f8(enum my_big_enum a) {} |
59 | |
60 | union simple_union { |
61 | int a; |
62 | char b; |
63 | }; |
64 | // Unions should be passed inreg. |
65 | // CHECK: define void @f9(i32 inreg %s.coerce) |
66 | void f9(union simple_union s) {} |
67 | |
68 | typedef struct { |
69 | int b4 : 4; |
70 | int b3 : 3; |
71 | int b8 : 8; |
72 | } bitfield1; |
73 | // Bitfields should be passed inreg. |
74 | // CHECK: define void @f10(i32 inreg %bf1.coerce) |
75 | void f10(bitfield1 bf1) {} |
76 | |