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// RUN: %clangxx -DADD_I32 -fsanitize=unsigned-integer-overflow %s -o %t && %t 2>&1 | FileCheck %s --check-prefix=CHECK-ADD_I32
// RUN: %clangxx -DADD_I64 -fsanitize=unsigned-integer-overflow %s -o %t && %t 2>&1 | FileCheck %s --check-prefix=CHECK-ADD_I64
// RUN: %clangxx -DADD_I128 -fsanitize=unsigned-integer-overflow %s -o %t && %t 2>&1 | FileCheck %s --check-prefix=CHECK-ADD_I128
#include <stdint.h>
#include <stdio.h>
int main() {
// These promote to 'int'.
(void)(uint8_t(0xff) + uint8_t(0xff));
(void)(uint16_t(0xf0fff) + uint16_t(0x0fff));
#ifdef ADD_I32
uint32_t k = 0x87654321;
k += 0xedcba987;
// CHECK-ADD_I32: uadd-overflow.cpp:[[@LINE-1]]:5: runtime error: unsigned integer overflow: 2271560481 + 3989547399 cannot be represented in type 'unsigned int'
#endif
#ifdef ADD_I64
(void)(uint64_t(10000000000000000000ull) + uint64_t(9000000000000000000ull));
// CHECK-ADD_I64: 10000000000000000000 + 9000000000000000000 cannot be represented in type 'unsigned long'
#endif
#ifdef ADD_I128
# ifdef __SIZEOF_INT128__
(void)((__uint128_t(1) << 127) + (__uint128_t(1) << 127));
# else
puts("__int128 not supported");
# endif
// CHECK-ADD_I128: {{0x80000000000000000000000000000000 \+ 0x80000000000000000000000000000000 cannot be represented in type 'unsigned __int128'|__int128 not supported}}
#endif
}
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