1// RUN: %clang -target wasm64-unknown-unknown -### %s -emit-llvm-only -c 2>&1 \
2// RUN:   | FileCheck %s -check-prefix=ECHO
3// RUN: %clang -target wasm64-unknown-unknown %s -emit-llvm -S -o - \
4// RUN:   | FileCheck %s
5// RUN: %clang -target wasm64-unknown-unknown %s -emit-llvm -S -pthread -o - \
6// RUN:   | FileCheck %s -check-prefix=THREADS
7
8// ECHO: {{.*}} "-cc1" {{.*}}wasm64-unknown-unknown.c
9
10typedef __builtin_va_list va_list;
11typedef __SIZE_TYPE__ size_t;
12typedef __PTRDIFF_TYPE__ ptrdiff_t;
13
14extern "C" {
15
16// CHECK: @align_c = hidden global i32 1
17int align_c = __alignof(char);
18
19// CHECK: @align_s = hidden global i32 2
20int align_s = __alignof(short);
21
22// CHECK: @align_i = hidden global i32 4
23int align_i = __alignof(int);
24
25// CHECK: @align_l = hidden global i32 8
26int align_l = __alignof(long);
27
28// CHECK: @align_ll = hidden global i32 8
29int align_ll = __alignof(long long);
30
31// CHECK: @align_p = hidden global i32 8
32int align_p = __alignof(void*);
33
34// CHECK: @align_f = hidden global i32 4
35int align_f = __alignof(float);
36
37// CHECK: @align_d = hidden global i32 8
38int align_d = __alignof(double);
39
40// CHECK: @align_ld = hidden global i32 16
41int align_ld = __alignof(long double);
42
43// CHECK: @align_vl = hidden global i32 8
44int align_vl = __alignof(va_list);
45
46// CHECK: _GNU_SOURCEdefined
47#ifdef _GNU_SOURCE
48void _GNU_SOURCEdefined() {}
49#endif
50
51// THREADS: _REENTRANTdefined
52// CHECK: _REENTRANTundefined
53#ifdef _REENTRANT
54void _REENTRANTdefined() {}
55#else
56void _REENTRANTundefined() {}
57#endif
58
59// Check types
60
61// CHECK: signext i8 @check_char()
62char check_char() { return 0; }
63
64// CHECK: signext i16 @check_short()
65short check_short() { return 0; }
66
67// CHECK: i32 @check_int()
68int check_int() { return 0; }
69
70// CHECK: i64 @check_long()
71long check_long() { return 0; }
72
73// CHECK: i64 @check_longlong()
74long long check_longlong() { return 0; }
75
76// CHECK: zeroext i8 @check_uchar()
77unsigned char check_uchar() { return 0; }
78
79// CHECK: zeroext i16 @check_ushort()
80unsigned short check_ushort() { return 0; }
81
82// CHECK: i32 @check_uint()
83unsigned int check_uint() { return 0; }
84
85// CHECK: i64 @check_ulong()
86unsigned long check_ulong() { return 0; }
87
88// CHECK: i64 @check_ulonglong()
89unsigned long long check_ulonglong() { return 0; }
90
91// CHECK: i64 @check_size_t()
92size_t check_size_t() { return 0; }
93
94// CHECK: float @check_float()
95float check_float() { return 0; }
96
97// CHECK: double @check_double()
98double check_double() { return 0; }
99
100// CHECK: fp128 @check_longdouble()
101long double check_longdouble() { return 0; }
102
103}
104
105template<int> void Switch();
106template<> void Switch<4>();
107template<> void Switch<8>();
108template<> void Switch<16>();
109
110void check_pointer_size() {
111  // CHECK: SwitchILi8
112  Switch<sizeof(void*)>();
113
114  // CHECK: SwitchILi8
115  Switch<sizeof(long long)>();
116
117  // CHECK: SwitchILi8
118  Switch<sizeof(va_list)>();
119}
120