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| // RUN: %clang_cc1 -fsyntax-only -triple x86_64-unknown-unknown %s -verify
typedef struct { unsigned long bits[(((1) + (64) - 1) / (64))]; } cpumask_t;
cpumask_t x;
void foo() {
(void)x;
}
void bar() {
char* a;
double b;
b = (double)a; // expected-error {{pointer cannot be cast to type}}
a = (char*)b; // expected-error {{cannot be cast to a pointer type}}
}
long bar1(long *next) {
return (long)(*next)++;
}
typedef _Bool Bool;
typedef int Int;
typedef long Long;
typedef float Float;
typedef double Double;
typedef _Complex int CInt;
typedef _Complex long CLong;
typedef _Complex float CFloat;
typedef _Complex double CDouble;
typedef void *VoidPtr;
typedef char *CharPtr;
void testBool(Bool v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (Float) v;
(void) (Double) v;
(void) (CInt) v;
(void) (CLong) v;
(void) (CFloat) v;
(void) (CDouble) v;
(void) (VoidPtr) v;
(void) (CharPtr) v;
}
void testInt(Int v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (Float) v;
(void) (Double) v;
(void) (CInt) v;
(void) (CLong) v;
(void) (CFloat) v;
(void) (CDouble) v;
(void) (VoidPtr) v; // expected-warning{{cast to 'VoidPtr' (aka 'void *') from smaller integer type 'Int' (aka 'int')}}
(void) (CharPtr) v; // expected-warning{{cast to 'CharPtr' (aka 'char *') from smaller integer type 'Int' (aka 'int')}}
// Test that casts to void* can be controlled separately
// from other -Wint-to-pointer-cast warnings.
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wint-to-void-pointer-cast"
(void) (VoidPtr) v; // no-warning
(void) (CharPtr) v; // expected-warning{{cast to 'CharPtr' (aka 'char *') from smaller integer type 'Int' (aka 'int')}}
#pragma clang diagnostic pop
}
void testLong(Long v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (Float) v;
(void) (Double) v;
(void) (CInt) v;
(void) (CLong) v;
(void) (CFloat) v;
(void) (CDouble) v;
(void) (VoidPtr) v;
(void) (CharPtr) v;
}
void testFloat(Float v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (Float) v;
(void) (Double) v;
(void) (CInt) v;
(void) (CLong) v;
(void) (CFloat) v;
(void) (CDouble) v;
}
void testDouble(Double v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (Float) v;
(void) (Double) v;
(void) (CInt) v;
(void) (CLong) v;
(void) (CFloat) v;
(void) (CDouble) v;
}
void testCI(CInt v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (Float) v;
(void) (Double) v;
(void) (CInt) v;
(void) (CLong) v;
(void) (CFloat) v;
(void) (CDouble) v;
}
void testCLong(CLong v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (Float) v;
(void) (Double) v;
(void) (CInt) v;
(void) (CLong) v;
(void) (CFloat) v;
(void) (CDouble) v;
}
void testCFloat(CFloat v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (Float) v;
(void) (Double) v;
(void) (CInt) v;
(void) (CLong) v;
(void) (CFloat) v;
(void) (CDouble) v;
}
void testCDouble(CDouble v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (Float) v;
(void) (Double) v;
(void) (CInt) v;
(void) (CLong) v;
(void) (CFloat) v;
(void) (CDouble) v;
}
void testVoidPtr(VoidPtr v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (VoidPtr) v;
(void) (CharPtr) v;
}
void testCharPtr(CharPtr v) {
(void) (Bool) v;
(void) (Int) v;
(void) (Long) v;
(void) (VoidPtr) v;
(void) (CharPtr) v;
}
typedef enum { x_a, x_b } X;
void *intToPointerCast2(X x) {
return (void*)x;
}
void *intToPointerCast3() {
return (void*)(1 + 3);
}
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