// RUN: %clang -x c -fsanitize=implicit-bitfield-conversion -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clang -x c -fsanitize=implicit-bitfield-conversion -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clang -x c -fsanitize=implicit-bitfield-conversion -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clang -x c -fsanitize=implicit-bitfield-conversion -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clang -x c -fsanitize=implicit-conversion -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clangxx -x c++ -fsanitize=implicit-bitfield-conversion -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clangxx -x c++ -fsanitize=implicit-bitfield-conversion -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clangxx -x c++ -fsanitize=implicit-bitfield-conversion -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clangxx -x c++ -fsanitize=implicit-bitfield-conversion -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clangxx -x c++ -fsanitize=implicit-conversion -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
#include <stdbool.h>
#include <stdint.h>
#define UINT4_MIN 0
#define UINT4_MAX (1 << 4) - 1
#define UINT5_MIN 0
#define UINT5_MAX (1 << 5) - 1
#define INT7_MIN -(1 << 6)
#define INT7_MAX (1 << 6) - 1
typedef struct _X {
uint8_t a : 4;
uint32_t b : 5;
int8_t c : 7;
int32_t d : 16;
uint8_t e : 8;
uint16_t f : 16;
uint32_t g : 32;
int8_t h : 8;
int16_t i : 16;
int32_t j : 32;
uint32_t k : 1;
int32_t l : 1;
bool m : 1;
} X;
void test_a() {
X x;
uint32_t min = UINT4_MIN;
uint32_t max = UINT4_MAX;
uint8_t v8 = max + 1;
uint16_t v16 = (UINT8_MAX + 1) + (max + 1);
uint32_t v32 = (UINT8_MAX + 1) + (max + 1);
// Assignment
x.a = v8;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint8_t' (aka 'unsigned char') of value 16 (8-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (4-bit bitfield, unsigned)
x.a = v16;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint16_t' (aka 'unsigned short') of value 272 (16-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (4-bit bitfield, unsigned)
x.a = v32;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 272 (32-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (4-bit bitfield, unsigned)
// PrePostIncDec
x.a = min;
x.a--;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value -1 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 15 (4-bit bitfield, unsigned)
x.a = min;
--x.a;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value -1 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 15 (4-bit bitfield, unsigned)
x.a = max;
x.a++;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value 16 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (4-bit bitfield, unsigned)
x.a = max;
++x.a;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value 16 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (4-bit bitfield, unsigned)
x.a = min + 1;
x.a++;
x.a = min + 1;
++x.a;
x.a = min + 1;
x.a--;
x.a = min + 1;
--x.a;
x.a = max - 1;
x.a++;
x.a = max - 1;
++x.a;
x.a = max - 1;
x.a--;
x.a = max - 1;
--x.a;
// Compound assignment
x.a = 0;
x.a += max;
x.a = 0;
x.a += (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 16 (32-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (4-bit bitfield, unsigned)
x.a = max;
x.a -= max;
x.a = max;
x.a -= (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 15 (4-bit bitfield, unsigned)
x.a = 1;
x.a *= max;
x.a = 1;
x.a *= (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 16 (32-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (4-bit bitfield, unsigned)
}
void test_b() {
X x;
uint32_t min = UINT5_MIN;
uint32_t max = UINT5_MAX;
uint8_t v8 = max + 1;
uint16_t v16 = max + 1;
uint32_t v32 = max + 1;
// Assignment
x.b = v8;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint8_t' (aka 'unsigned char') of value 32 (8-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (5-bit bitfield, unsigned)
x.b = v16;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint16_t' (aka 'unsigned short') of value 32 (16-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (5-bit bitfield, unsigned)
x.b = v32;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 32 (32-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (5-bit bitfield, unsigned)
// PrePostIncDec
x.b = min;
x.b--;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 31 (5-bit bitfield, unsigned)
x.b = min;
--x.b;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 31 (5-bit bitfield, unsigned)
x.b = max;
x.b++;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 32 (32-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (5-bit bitfield, unsigned)
x.b = max;
++x.b;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 32 (32-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (5-bit bitfield, unsigned)
x.b = min + 1;
x.b++;
x.b = min + 1;
++x.b;
x.b = min + 1;
x.b--;
x.b = min + 1;
--x.b;
x.b = max - 1;
x.b++;
x.b = max - 1;
++x.b;
x.b = max - 1;
x.b--;
x.b = max - 1;
--x.b;
// Compound assignment
x.b = 0;
x.b += max;
x.b = 0;
x.b += (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 32 (32-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (5-bit bitfield, unsigned)
x.b = max;
x.b -= max;
x.b = max;
x.b -= (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 31 (5-bit bitfield, unsigned)
x.b = 1;
x.b *= max;
x.b = 1;
x.b *= (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 32 (32-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (5-bit bitfield, unsigned)
}
void test_c() {
X x;
int32_t min = INT7_MIN;
int32_t max = INT7_MAX;
uint8_t v8 = max + 1;
uint16_t v16 = (UINT8_MAX + 1) + (max + 1);
uint32_t v32 = (UINT8_MAX + 1) + (max + 1);
// Assignment
x.c = v8;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint8_t' (aka 'unsigned char') of value 64 (8-bit, unsigned) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -64 (7-bit bitfield, signed)
x.c = v16;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint16_t' (aka 'unsigned short') of value 320 (16-bit, unsigned) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -64 (7-bit bitfield, signed)
x.c = v32;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 320 (32-bit, unsigned) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -64 (7-bit bitfield, signed)
// PrePostIncDec
x.c = min;
x.c--;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value -65 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to 63 (7-bit bitfield, signed)
x.c = min;
--x.c;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value -65 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to 63 (7-bit bitfield, signed)
x.c = max;
x.c++;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value 64 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -64 (7-bit bitfield, signed)
x.c = max;
++x.c;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value 64 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -64 (7-bit bitfield, signed)
x.c = min + 1;
x.c++;
x.c = min + 1;
++x.c;
x.c = min + 1;
x.c--;
x.c = min + 1;
--x.c;
x.c = max - 1;
x.c++;
x.c = max - 1;
++x.c;
x.c = max - 1;
x.c--;
x.c = max - 1;
--x.c;
// Compound assignment
x.c = 0;
x.c += max;
x.c = 0;
x.c += (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int' of value 64 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -64 (7-bit bitfield, signed)
x.c = 0;
x.c -= (-min);
x.c = 0;
x.c -= (-min + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int' of value -65 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to 63 (7-bit bitfield, signed)
x.c = 1;
x.c *= max;
x.c = 1;
x.c *= (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int' of value 64 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -64 (7-bit bitfield, signed)
}
void test_d() {
X x;
int32_t min = INT16_MIN;
int32_t max = INT16_MAX;
uint32_t v32 = max + 1;
// Assignment
x.d = v32;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 32768 (32-bit, unsigned) to type 'int32_t' (aka 'int') changed the value to -32768 (16-bit bitfield, signed)
// PrePostIncDec
x.d = min;
x.d--;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value -32769 (32-bit, signed) to type 'int32_t' (aka 'int') changed the value to 32767 (16-bit bitfield, signed)
x.d = min;
--x.d;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value -32769 (32-bit, signed) to type 'int32_t' (aka 'int') changed the value to 32767 (16-bit bitfield, signed)
x.d = max;
x.d++;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value 32768 (32-bit, signed) to type 'int32_t' (aka 'int') changed the value to -32768 (16-bit bitfield, signed)
x.d = max;
++x.d;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value 32768 (32-bit, signed) to type 'int32_t' (aka 'int') changed the value to -32768 (16-bit bitfield, signed)
x.d = min + 1;
x.d++;
x.d = min + 1;
++x.d;
x.d = min + 1;
x.d--;
x.d = min + 1;
--x.d;
x.d = max - 1;
x.d++;
x.d = max - 1;
++x.d;
x.d = max - 1;
x.d--;
x.d = max - 1;
--x.d;
// Compound assignment
x.d = 0;
x.d += max;
x.d = 0;
x.d += (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int' of value 32768 (32-bit, signed) to type 'int32_t' (aka 'int') changed the value to -32768 (16-bit bitfield, signed)
x.d = 0;
x.d -= (-min);
x.d = 0;
x.d -= (-min + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int' of value -32769 (32-bit, signed) to type 'int32_t' (aka 'int') changed the value to 32767 (16-bit bitfield, signed)
x.d = 1;
x.d *= max;
x.d = 1;
x.d *= (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int' of value 32768 (32-bit, signed) to type 'int32_t' (aka 'int') changed the value to -32768 (16-bit bitfield, signed)
}
void test_e() {
X x;
uint32_t min = 0;
uint32_t max = UINT8_MAX;
uint16_t v16 = max + 1;
uint32_t v32 = max + 1;
// Assignment
x.e = v16;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint16_t' (aka 'unsigned short') of value 256 (16-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (8-bit bitfield, unsigned)
x.e = v32;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 256 (32-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (8-bit bitfield, unsigned)
// PrePostIncDec
x.e = min;
x.e--;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value -1 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 255 (8-bit bitfield, unsigned)
x.e = min;
--x.e;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value -1 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 255 (8-bit bitfield, unsigned)
x.e = min + 1;
x.e--;
x.e = max;
x.e++;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value 256 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (8-bit bitfield, unsigned)
x.e = max;
++x.e;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value 256 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (8-bit bitfield, unsigned)
x.e = max - 1;
x.e++;
// Compound assignment
x.e = 0;
x.e += max;
x.e = 0;
x.e += (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 256 (32-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 0 (8-bit bitfield, unsigned)
x.e = max;
x.e -= max;
x.e = max;
x.e -= (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 255 (8-bit bitfield, unsigned)
}
void test_f() {
X x;
uint32_t min = 0;
uint32_t max = UINT16_MAX;
uint32_t v32 = max + 1;
// Assignment
x.f = v32;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 65536 (32-bit, unsigned) to type 'uint16_t' (aka 'unsigned short') changed the value to 0 (16-bit bitfield, unsigned)
// PrePostIncDec
x.f = min;
x.f--;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value -1 (32-bit, signed) to type 'uint16_t' (aka 'unsigned short') changed the value to 65535 (16-bit bitfield, unsigned)
x.f = min;
--x.f;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value -1 (32-bit, signed) to type 'uint16_t' (aka 'unsigned short') changed the value to 65535 (16-bit bitfield, unsigned)
x.f = min + 1;
x.f--;
x.f = max;
x.f++;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value 65536 (32-bit, signed) to type 'uint16_t' (aka 'unsigned short') changed the value to 0 (16-bit bitfield, unsigned)
x.f = max;
++x.f;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value 65536 (32-bit, signed) to type 'uint16_t' (aka 'unsigned short') changed the value to 0 (16-bit bitfield, unsigned)
x.f = max - 1;
x.f++;
// Compound assignment
x.f = 0;
x.f += max;
x.f = 0;
x.f += (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 65536 (32-bit, unsigned) to type 'uint16_t' (aka 'unsigned short') changed the value to 0 (16-bit bitfield, unsigned)
x.f = max;
x.f -= max;
x.f = max;
x.f -= (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type 'uint16_t' (aka 'unsigned short') changed the value to 65535 (16-bit bitfield, unsigned)
}
void test_g() {
X x;
uint64_t min = 0;
uint64_t max = UINT32_MAX;
uint64_t v64 = max + 1;
// Assignment
x.g = v64;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint64_t' (aka 'unsigned long{{( long)?}}') of value 4294967296 (64-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (32-bit bitfield, unsigned)
// PrePostIncDec
x.g = min;
x.g--;
x.g = min;
--x.g;
x.g = min + 1;
x.g--;
x.g = max;
x.g++;
x.g = max;
++x.g;
x.g = max - 1;
x.g++;
// Compound assignment
x.g = 0;
x.g += max;
x.g = 0;
x.g += (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint64_t' (aka 'unsigned long{{( long)?}}') of value 4294967296 (64-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (32-bit bitfield, unsigned)
x.g = max;
x.g -= max;
x.g = max;
x.g -= (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint64_t' (aka 'unsigned long{{( long)?}}') of value 18446744073709551615 (64-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 4294967295 (32-bit bitfield, unsigned)
}
void test_h() {
X x;
int32_t min = INT8_MIN;
int32_t max = INT8_MAX;
int16_t v16 = max + 1;
int32_t v32 = max + 1;
// Assignment
x.h = v16;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int16_t' (aka 'short') of value 128 (16-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -128 (8-bit bitfield, signed)
x.h = v32;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value 128 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -128 (8-bit bitfield, signed)
// PrePostIncDec
x.h = min;
x.h--;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value -129 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to 127 (8-bit bitfield, signed)
x.h = min;
--x.h;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value -129 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to 127 (8-bit bitfield, signed)
x.h = min + 1;
x.h--;
x.h = max;
x.h++;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value 128 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -128 (8-bit bitfield, signed)
x.h = max;
++x.h;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value 128 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -128 (8-bit bitfield, signed)
x.h = max - 1;
x.h++;
// Compound assignment
x.h = 0;
x.h += max;
x.h = 0;
x.h += (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int' of value 128 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to -128 (8-bit bitfield, signed)
x.h = 0;
x.h -= (-min);
x.h = 0;
x.h -= (-min + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int' of value -129 (32-bit, signed) to type 'int8_t' (aka '{{(signed )?}}char') changed the value to 127 (8-bit bitfield, signed)
}
void test_i() {
X x;
int32_t min = INT16_MIN;
int32_t max = INT16_MAX;
int32_t v32 = max + 1;
// Assignment
x.i = v32;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value 32768 (32-bit, signed) to type 'int16_t' (aka 'short') changed the value to -32768 (16-bit bitfield, signed)
// PrePostIncDec
x.i = min;
x.i--;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value -32769 (32-bit, signed) to type 'int16_t' (aka 'short') changed the value to 32767 (16-bit bitfield, signed)
x.i = min;
--x.i;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value -32769 (32-bit, signed) to type 'int16_t' (aka 'short') changed the value to 32767 (16-bit bitfield, signed)
x.i = min + 1;
x.i--;
x.i = max;
x.i++;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int' of value 32768 (32-bit, signed) to type 'int16_t' (aka 'short') changed the value to -32768 (16-bit bitfield, signed)
x.i = max;
++x.i;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:3: runtime error: implicit conversion from type 'int' of value 32768 (32-bit, signed) to type 'int16_t' (aka 'short') changed the value to -32768 (16-bit bitfield, signed)
x.i = max - 1;
x.i++;
// Compound assignment
x.i = 0;
x.i += max;
x.i = 0;
x.i += (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int' of value 32768 (32-bit, signed) to type 'int16_t' (aka 'short') changed the value to -32768 (16-bit bitfield, signed)
x.i = 0;
x.i -= (-min);
x.i = 0;
x.i -= (-min + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int' of value -32769 (32-bit, signed) to type 'int16_t' (aka 'short') changed the value to 32767 (16-bit bitfield, signed)
}
void test_j() {
X x;
int64_t min = INT32_MIN;
int64_t max = INT32_MAX;
int64_t v64 = max + 1;
// Assignment
x.j = v64;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int64_t' (aka 'long{{( long)?}}') of value 2147483648 (64-bit, signed) to type 'int32_t' (aka 'int') changed the value to -2147483648 (32-bit bitfield, signed)
// PrePostIncDec
x.j = min;
x.j--;
x.j = min;
--x.j;
x.j = min + 1;
x.j--;
x.j = max;
x.j++;
x.j = max;
++x.j;
x.j = max - 1;
x.j++;
// Compound assignment
x.j = 0;
x.j += max;
x.j = 0;
x.j += (max + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int64_t' (aka 'long{{( long)?}}') of value 2147483648 (64-bit, signed) to type 'int32_t' (aka 'int') changed the value to -2147483648 (32-bit bitfield, signed)
x.j = 0;
x.j -= (-min);
x.j = 0;
x.j -= (-min + 1);
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int64_t' (aka 'long{{( long)?}}') of value -2147483649 (64-bit, signed) to type 'int32_t' (aka 'int') changed the value to 2147483647 (32-bit bitfield, signed)
}
void test_k_l() {
X x;
int32_t one = 1;
int32_t neg_one = -1;
// k
uint8_t v8 = 2;
x.k = v8;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint8_t' (aka 'unsigned char') of value 2 (8-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (1-bit bitfield, unsigned)
x.k = one;
x.k = neg_one;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value -1 (32-bit, signed) to type 'uint32_t' (aka 'unsigned int') changed the value to 1 (1-bit bitfield, unsigned)
x.k = 0;
x.k--;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 1 (1-bit bitfield, unsigned)
x.k = 1;
x.k--;
x.k = 1;
x.k++;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 2 (32-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 0 (1-bit bitfield, unsigned)
x.k = 0;
x.k++;
// l
x.l = v8;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'uint8_t' (aka 'unsigned char') of value 2 (8-bit, unsigned) to type 'int32_t' (aka 'int') changed the value to 0 (1-bit bitfield, signed)
x.l = one;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:7: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value 1 (32-bit, signed) to type 'int32_t' (aka 'int') changed the value to -1 (1-bit bitfield, signed)
x.l = neg_one;
x.l = 0;
x.l--;
x.l = -1;
x.l--;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value -2 (32-bit, signed) to type 'int32_t' (aka 'int') changed the value to 0 (1-bit bitfield, signed)
x.l = 0;
x.l++;
// CHECK: {{.*}}bitfield-conversion.c:[[@LINE-1]]:6: runtime error: implicit conversion from type 'int32_t' (aka 'int') of value 1 (32-bit, signed) to type 'int32_t' (aka 'int') changed the value to -1 (1-bit bitfield, signed)
x.l = -1;
x.l++;
}
void test_m() {
X x;
uint8_t v8 = 2;
x.m = v8;
}
int main() {
test_a();
test_b();
test_c();
test_d();
test_e();
test_f();
test_g();
test_h();
test_i();
test_j();
test_k_l();
test_m();
return 0;
}
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