1// RUN: %clang_cc1 -fsyntax-only -triple x86_64-unknown-unknown %s -verify 2 3typedef struct { unsigned long bits[(((1) + (64) - 1) / (64))]; } cpumask_t; 4cpumask_t x; 5void foo() { 6 (void)x; 7} 8void bar() { 9 char* a; 10 double b; 11 b = (double)a; // expected-error {{pointer cannot be cast to type}} 12 a = (char*)b; // expected-error {{cannot be cast to a pointer type}} 13} 14 15long bar1(long *next) { 16 return (long)(*next)++; 17} 18 19typedef _Bool Bool; 20typedef int Int; 21typedef long Long; 22typedef float Float; 23typedef double Double; 24typedef _Complex int CInt; 25typedef _Complex long CLong; 26typedef _Complex float CFloat; 27typedef _Complex double CDouble; 28typedef void *VoidPtr; 29typedef char *CharPtr; 30 31void testBool(Bool v) { 32 (void) (Bool) v; 33 (void) (Int) v; 34 (void) (Long) v; 35 (void) (Float) v; 36 (void) (Double) v; 37 (void) (CInt) v; 38 (void) (CLong) v; 39 (void) (CFloat) v; 40 (void) (CDouble) v; 41 (void) (VoidPtr) v; 42 (void) (CharPtr) v; 43} 44 45void testInt(Int v) { 46 (void) (Bool) v; 47 (void) (Int) v; 48 (void) (Long) v; 49 (void) (Float) v; 50 (void) (Double) v; 51 (void) (CInt) v; 52 (void) (CLong) v; 53 (void) (CFloat) v; 54 (void) (CDouble) v; 55 (void) (VoidPtr) v; // expected-warning{{cast to 'VoidPtr' (aka 'void *') from smaller integer type 'Int' (aka 'int')}} 56 (void) (CharPtr) v; // expected-warning{{cast to 'CharPtr' (aka 'char *') from smaller integer type 'Int' (aka 'int')}} 57 58 // Test that casts to void* can be controlled separately 59 // from other -Wint-to-pointer-cast warnings. 60#pragma clang diagnostic push 61#pragma clang diagnostic ignored "-Wint-to-void-pointer-cast" 62 (void) (VoidPtr) v; // no-warning 63 (void) (CharPtr) v; // expected-warning{{cast to 'CharPtr' (aka 'char *') from smaller integer type 'Int' (aka 'int')}} 64#pragma clang diagnostic pop 65} 66 67void testLong(Long v) { 68 (void) (Bool) v; 69 (void) (Int) v; 70 (void) (Long) v; 71 (void) (Float) v; 72 (void) (Double) v; 73 (void) (CInt) v; 74 (void) (CLong) v; 75 (void) (CFloat) v; 76 (void) (CDouble) v; 77 (void) (VoidPtr) v; 78 (void) (CharPtr) v; 79} 80 81void testFloat(Float v) { 82 (void) (Bool) v; 83 (void) (Int) v; 84 (void) (Long) v; 85 (void) (Float) v; 86 (void) (Double) v; 87 (void) (CInt) v; 88 (void) (CLong) v; 89 (void) (CFloat) v; 90 (void) (CDouble) v; 91} 92 93void testDouble(Double v) { 94 (void) (Bool) v; 95 (void) (Int) v; 96 (void) (Long) v; 97 (void) (Float) v; 98 (void) (Double) v; 99 (void) (CInt) v; 100 (void) (CLong) v; 101 (void) (CFloat) v; 102 (void) (CDouble) v; 103} 104 105void testCI(CInt v) { 106 (void) (Bool) v; 107 (void) (Int) v; 108 (void) (Long) v; 109 (void) (Float) v; 110 (void) (Double) v; 111 (void) (CInt) v; 112 (void) (CLong) v; 113 (void) (CFloat) v; 114 (void) (CDouble) v; 115} 116 117void testCLong(CLong v) { 118 (void) (Bool) v; 119 (void) (Int) v; 120 (void) (Long) v; 121 (void) (Float) v; 122 (void) (Double) v; 123 (void) (CInt) v; 124 (void) (CLong) v; 125 (void) (CFloat) v; 126 (void) (CDouble) v; 127} 128 129void testCFloat(CFloat v) { 130 (void) (Bool) v; 131 (void) (Int) v; 132 (void) (Long) v; 133 (void) (Float) v; 134 (void) (Double) v; 135 (void) (CInt) v; 136 (void) (CLong) v; 137 (void) (CFloat) v; 138 (void) (CDouble) v; 139} 140 141void testCDouble(CDouble v) { 142 (void) (Bool) v; 143 (void) (Int) v; 144 (void) (Long) v; 145 (void) (Float) v; 146 (void) (Double) v; 147 (void) (CInt) v; 148 (void) (CLong) v; 149 (void) (CFloat) v; 150 (void) (CDouble) v; 151} 152 153void testVoidPtr(VoidPtr v) { 154 (void) (Bool) v; 155 (void) (Int) v; 156 (void) (Long) v; 157 (void) (VoidPtr) v; 158 (void) (CharPtr) v; 159} 160 161void testCharPtr(CharPtr v) { 162 (void) (Bool) v; 163 (void) (Int) v; 164 (void) (Long) v; 165 (void) (VoidPtr) v; 166 (void) (CharPtr) v; 167} 168 169typedef enum { x_a, x_b } X; 170void *intToPointerCast2(X x) { 171 return (void*)x; 172} 173 174void *intToPointerCast3() { 175 return (void*)(1 + 3); 176} 177