clang/test/Driver/wasm32-unknown-unknown.cpp

   1 // RUN: %clang -target wasm32-unknown-unknown -### %s -emit-llvm-only -c 2>&1 \
   2 // RUN:   | FileCheck %s -check-prefix=ECHO
   3 // RUN: %clang -target wasm32-unknown-unknown %s -emit-llvm -S -o - \
   4 // RUN:   | FileCheck %s
   5 // RUN: %clang -target wasm32-unknown-unknown %s -emit-llvm -S -pthread -o - \
   6 // RUN:   | FileCheck %s -check-prefix=THREADS
   7
   8 // ECHO: {{.*}} "-cc1" {{.*}}wasm32-unknown-unknown.c
   9
  10 typedef __builtin_va_list va_list;
  11 typedef __SIZE_TYPE__ size_t;
  12 typedef __PTRDIFF_TYPE__ ptrdiff_t;
  13
  14 extern "C" {
  15
  16 // CHECK: @align_c = hidden global i32 1
  17 int align_c = __alignof(char);
  18
  19 // CHECK: @align_s = hidden global i32 2
  20 int align_s = __alignof(short);
  21
  22 // CHECK: @align_i = hidden global i32 4
  23 int align_i = __alignof(int);
  24
  25 // CHECK: @align_l = hidden global i32 4
  26 int align_l = __alignof(long);
  27
  28 // CHECK: @align_ll = hidden global i32 8
  29 int align_ll = __alignof(long long);
  30
  31 // CHECK: @align_p = hidden global i32 4
  32 int align_p = __alignof(void *);
  33
  34 // CHECK: @align_f = hidden global i32 4
  35 int align_f = __alignof(float);
  36
  37 // CHECK: @align_d = hidden global i32 8
  38 int align_d = __alignof(double);
  39
  40 // CHECK: @align_ld = hidden global i32 16
  41 int align_ld = __alignof(long double);
  42
  43 // CHECK: @align_vl = hidden global i32 4
  44 int align_vl = __alignof(va_list);
  45
  46 // CHECK: _GNU_SOURCEdefined
  47 #ifdef _GNU_SOURCE
  48 void _GNU_SOURCEdefined() {}
  49 #endif
  50
  51 // THREADS: _REENTRANTdefined
  52 // CHECK: _REENTRANTundefined
  53 #ifdef _REENTRANT
  54 void _REENTRANTdefined() {}
  55 #else
  56 void _REENTRANTundefined() {}
  57 #endif
  58
  59 // Check types
  60
  61 // CHECK: signext i8 @check_char()
  62 char check_char() { return 0; }
  63
  64 // CHECK: signext i16 @check_short()
  65 short check_short() { return 0; }
  66
  67 // CHECK: i32 @check_int()
  68 int check_int() { return 0; }
  69
  70 // CHECK: i32 @check_long()
  71 long check_long() { return 0; }
  72
  73 // CHECK: i64 @check_longlong()
  74 long long check_longlong() { return 0; }
  75
  76 // CHECK: zeroext i8 @check_uchar()
  77 unsigned char check_uchar() { return 0; }
  78
  79 // CHECK: zeroext i16 @check_ushort()
  80 unsigned short check_ushort() { return 0; }
  81
  82 // CHECK: i32 @check_uint()
  83 unsigned int check_uint() { return 0; }
  84
  85 // CHECK: i32 @check_ulong()
  86 unsigned long check_ulong() { return 0; }
  87
  88 // CHECK: i64 @check_ulonglong()
  89 unsigned long long check_ulonglong() { return 0; }
  90
  91 // CHECK: i32 @check_size_t()
  92 size_t check_size_t() { return 0; }
  93
  94 // CHECK: float @check_float()
  95 float check_float() { return 0; }
  96
  97 // CHECK: double @check_double()
  98 double check_double() { return 0; }
  99
 100 // CHECK: fp128 @check_longdouble()
 101 long double check_longdouble() { return 0; }
 102 }
 103
 104 template <int>
 105 void Switch();
 106 template <>
 107 void Switch<4>();
 108 template <>
 109 void Switch<8>();
 110 template <>
 111 void Switch<16>();
 112
 113 void check_pointer_size() {
 114   // CHECK: SwitchILi4
 115   Switch<sizeof(void *)>();
 116
 117   // CHECK: SwitchILi8
 118   Switch<sizeof(long long)>();
 119
 120   // CHECK: SwitchILi4
 121   Switch<sizeof(va_list)>();
 122 }