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// Force x86-64 because some of our heuristics are actually based
// on integer sizes.
// RUN: %clang_cc1 -triple x86_64-apple-darwin -fsyntax-only -pedantic -verify -Wsign-compare %s
int test0(long a, unsigned long b) {
enum EnumA {A};
enum EnumB {B};
enum EnumC {C = 0x10000};
return
// (a,b)
(a == (unsigned long) b) + // expected-warning {{comparison of integers of different signs}}
(a == (unsigned int) b) +
(a == (unsigned short) b) +
(a == (unsigned char) b) +
((long) a == b) + // expected-warning {{comparison of integers of different signs}}
((int) a == b) + // expected-warning {{comparison of integers of different signs}}
((short) a == b) + // expected-warning {{comparison of integers of different signs}}
((signed char) a == b) + // expected-warning {{comparison of integers of different signs}}
((long) a == (unsigned long) b) + // expected-warning {{comparison of integers of different signs}}
((int) a == (unsigned int) b) + // expected-warning {{comparison of integers of different signs}}
((short) a == (unsigned short) b) +
((signed char) a == (unsigned char) b) +
(a < (unsigned long) b) + // expected-warning {{comparison of integers of different signs}}
(a < (unsigned int) b) +
(a < (unsigned short) b) +
(a < (unsigned char) b) +
((long) a < b) + // expected-warning {{comparison of integers of different signs}}
((int) a < b) + // expected-warning {{comparison of integers of different signs}}
((short) a < b) + // expected-warning {{comparison of integers of different signs}}
((signed char) a < b) + // expected-warning {{comparison of integers of different signs}}
((long) a < (unsigned long) b) + // expected-warning {{comparison of integers of different signs}}
((int) a < (unsigned int) b) + // expected-warning {{comparison of integers of different signs}}
((short) a < (unsigned short) b) +
((signed char) a < (unsigned char) b) +
// (A,b)
(A == (unsigned long) b) +
(A == (unsigned int) b) +
(A == (unsigned short) b) +
(A == (unsigned char) b) +
((long) A == b) +
((int) A == b) +
((short) A == b) +
((signed char) A == b) +
((long) A == (unsigned long) b) +
((int) A == (unsigned int) b) +
((short) A == (unsigned short) b) +
((signed char) A == (unsigned char) b) +
(A < (unsigned long) b) +
(A < (unsigned int) b) +
(A < (unsigned short) b) +
(A < (unsigned char) b) +
((long) A < b) +
((int) A < b) +
((short) A < b) +
((signed char) A < b) +
((long) A < (unsigned long) b) +
((int) A < (unsigned int) b) +
((short) A < (unsigned short) b) +
((signed char) A < (unsigned char) b) +
// (a,B)
(a == (unsigned long) B) +
(a == (unsigned int) B) +
(a == (unsigned short) B) +
(a == (unsigned char) B) +
((long) a == B) +
((int) a == B) +
((short) a == B) +
((signed char) a == B) +
((long) a == (unsigned long) B) +
((int) a == (unsigned int) B) +
((short) a == (unsigned short) B) +
((signed char) a == (unsigned char) B) +
(a < (unsigned long) B) + // expected-warning {{comparison of integers of different signs}}
(a < (unsigned int) B) +
(a < (unsigned short) B) +
(a < (unsigned char) B) +
((long) a < B) +
((int) a < B) +
((short) a < B) +
((signed char) a < B) +
((long) a < (unsigned long) B) + // expected-warning {{comparison of integers of different signs}}
((int) a < (unsigned int) B) + // expected-warning {{comparison of integers of different signs}}
((short) a < (unsigned short) B) +
((signed char) a < (unsigned char) B) +
// (C,b)
(C == (unsigned long) b) +
(C == (unsigned int) b) +
(C == (unsigned short) b) +
(C == (unsigned char) b) +
((long) C == b) +
((int) C == b) +
((short) C == b) +
((signed char) C == b) +
((long) C == (unsigned long) b) +
((int) C == (unsigned int) b) +
((short) C == (unsigned short) b) +
((signed char) C == (unsigned char) b) +
(C < (unsigned long) b) +
(C < (unsigned int) b) +
(C < (unsigned short) b) +
(C < (unsigned char) b) +
((long) C < b) +
((int) C < b) +
((short) C < b) +
((signed char) C < b) +
((long) C < (unsigned long) b) +
((int) C < (unsigned int) b) +
((short) C < (unsigned short) b) +
((signed char) C < (unsigned char) b) +
// (a,C)
(a == (unsigned long) C) +
(a == (unsigned int) C) +
(a == (unsigned short) C) +
(a == (unsigned char) C) +
((long) a == C) +
((int) a == C) +
((short) a == C) +
((signed char) a == C) +
((long) a == (unsigned long) C) +
((int) a == (unsigned int) C) +
((short) a == (unsigned short) C) +
((signed char) a == (unsigned char) C) +
(a < (unsigned long) C) + // expected-warning {{comparison of integers of different signs}}
(a < (unsigned int) C) +
(a < (unsigned short) C) +
(a < (unsigned char) C) +
((long) a < C) +
((int) a < C) +
((short) a < C) +
((signed char) a < C) +
((long) a < (unsigned long) C) + // expected-warning {{comparison of integers of different signs}}
((int) a < (unsigned int) C) + // expected-warning {{comparison of integers of different signs}}
((short) a < (unsigned short) C) +
((signed char) a < (unsigned char) C) +
// (0x80000,b)
(0x80000 == (unsigned long) b) +
(0x80000 == (unsigned int) b) +
(0x80000 == (unsigned short) b) +
(0x80000 == (unsigned char) b) +
((long) 0x80000 == b) +
((int) 0x80000 == b) +
((short) 0x80000 == b) +
((signed char) 0x80000 == b) +
((long) 0x80000 == (unsigned long) b) +
((int) 0x80000 == (unsigned int) b) +
((short) 0x80000 == (unsigned short) b) +
((signed char) 0x80000 == (unsigned char) b) +
(0x80000 < (unsigned long) b) +
(0x80000 < (unsigned int) b) +
(0x80000 < (unsigned short) b) +
(0x80000 < (unsigned char) b) +
((long) 0x80000 < b) +
((int) 0x80000 < b) +
((short) 0x80000 < b) +
((signed char) 0x80000 < b) +
((long) 0x80000 < (unsigned long) b) +
((int) 0x80000 < (unsigned int) b) +
((short) 0x80000 < (unsigned short) b) +
((signed char) 0x80000 < (unsigned char) b) +
// (a,0x80000)
(a == (unsigned long) 0x80000) +
(a == (unsigned int) 0x80000) +
(a == (unsigned short) 0x80000) +
(a == (unsigned char) 0x80000) +
((long) a == 0x80000) +
((int) a == 0x80000) +
((short) a == 0x80000) +
((signed char) a == 0x80000) +
((long) a == (unsigned long) 0x80000) +
((int) a == (unsigned int) 0x80000) +
((short) a == (unsigned short) 0x80000) +
((signed char) a == (unsigned char) 0x80000) +
(a < (unsigned long) 0x80000) + // expected-warning {{comparison of integers of different signs}}
(a < (unsigned int) 0x80000) +
(a < (unsigned short) 0x80000) +
(a < (unsigned char) 0x80000) +
((long) a < 0x80000) +
((int) a < 0x80000) +
((short) a < 0x80000) +
((signed char) a < 0x80000) +
((long) a < (unsigned long) 0x80000) + // expected-warning {{comparison of integers of different signs}}
((int) a < (unsigned int) 0x80000) + // expected-warning {{comparison of integers of different signs}}
((short) a < (unsigned short) 0x80000) +
((signed char) a < (unsigned char) 0x80000) +
10
;
}
int test1(int i) {
enum en { zero };
return i > zero;
}
enum E { e };
void test2(int i, void *vp) {
if (test1 == vp) { } // expected-warning{{equality comparison between function pointer and void pointer}}
if (test1 == e) { } // expected-error{{comparison between pointer and integer}}
if (vp < 0) { }
if (test1 < e) { } // expected-error{{comparison between pointer and integer}}
}
// PR7536
static const unsigned int kMax = 0;
int pr7536() {
return (kMax > 0);
}
// -Wsign-compare should not warn when ?: operands have different signedness.
// This will be caught by -Wsign-conversion
void test3() {
unsigned long a;
signed long b;
(void) (true ? a : b);
(void) (true ? (unsigned int)a : (signed int)b);
(void) (true ? b : a);
(void) (true ? (unsigned char)b : (signed char)a);
}
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