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// RUN: %clangxx -DADD_I32 -fsanitize=signed-integer-overflow %s -o %t && %t 2>&1 | FileCheck %s --check-prefix=CHECK-ADD_I32
// RUN: %clangxx -DADD_I64 -fsanitize=signed-integer-overflow %s -o %t && %t 2>&1 | FileCheck %s --check-prefix=CHECK-ADD_I64
// RUN: %clangxx -DADD_I128 -fsanitize=signed-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)(int8_t(0x7f) + int8_t(0x7f));
(void)(int16_t(0x3fff) + int16_t(0x4000));
#ifdef ADD_I32
int32_t k = 0x12345678;
k += 0x789abcde;
// CHECK-ADD_I32: add-overflow.cpp:[[@LINE-1]]:5: runtime error: signed integer overflow: 305419896 + 2023406814 cannot be represented in type 'int'
#endif
#ifdef ADD_I64
(void)(int64_t(8000000000000000000ll) + int64_t(2000000000000000000ll));
// CHECK-ADD_I64: 8000000000000000000 + 2000000000000000000 cannot be represented in type '{{long( long)?}}'
#endif
#ifdef ADD_I128
# ifdef __SIZEOF_INT128__
(void)((__int128_t(1) << 126) + (__int128_t(1) << 126));
# else
puts("__int128 not supported");
# endif
// CHECK-ADD_I128: {{0x40000000000000000000000000000000 \+ 0x40000000000000000000000000000000 cannot be represented in type '__int128'|__int128 not supported}}
#endif
}
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