325 lines · c
1// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -DV0 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V02// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -DV1 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V13// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -DV2 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V24// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -DV3 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V35// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -DV4 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V46// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -DV5 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V57// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -DV6 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V68// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -DV7 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V79 10// RUN: %clangxx -x c++ -fsanitize=implicit-integer-truncation %s -DV0 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V011// RUN: %clangxx -x c++ -fsanitize=implicit-integer-truncation %s -DV1 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V112// RUN: %clangxx -x c++ -fsanitize=implicit-integer-truncation %s -DV2 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V213// RUN: %clangxx -x c++ -fsanitize=implicit-integer-truncation %s -DV3 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V314// RUN: %clangxx -x c++ -fsanitize=implicit-integer-truncation %s -DV4 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V415// RUN: %clangxx -x c++ -fsanitize=implicit-integer-truncation %s -DV5 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V516// RUN: %clangxx -x c++ -fsanitize=implicit-integer-truncation %s -DV6 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V617// RUN: %clangxx -x c++ -fsanitize=implicit-integer-truncation %s -DV7 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V718 19#include <stdint.h>20 21// Test plan:22// * Two types - int and char23// * Two signs - signed and unsigned24// * Square that - we have input and output types.25// Thus, there are total of (2*2)^2 == 16 tests.26// These are all the possible variations/combinations of casts.27// However, not all of them should result in the check.28// So here, we *only* check which should and which should not result in checks.29 30uint32_t convert_unsigned_int_to_unsigned_int(uint32_t x) {31#line 10032 return x;33}34 35uint8_t convert_unsigned_char_to_unsigned_char(uint8_t x) {36#line 20037 return x;38}39 40int32_t convert_signed_int_to_signed_int(int32_t x) {41#line 30042 return x;43}44 45int8_t convert_signed_char_to_signed_char(int8_t x) {46#line 40047 return x;48}49 50uint8_t convert_unsigned_int_to_unsigned_char(uint32_t x) {51#line 50052 return x;53}54 55uint32_t convert_unsigned_char_to_unsigned_int(uint8_t x) {56#line 60057 return x;58}59 60int32_t convert_unsigned_char_to_signed_int(uint8_t x) {61#line 70062 return x;63}64 65int32_t convert_signed_char_to_signed_int(int8_t x) {66#line 80067 return x;68}69 70int32_t convert_unsigned_int_to_signed_int(uint32_t x) {71#line 90072 return x;73}74 75uint32_t convert_signed_int_to_unsigned_int(int32_t x) {76#line 100077 return x;78}79 80uint8_t convert_signed_int_to_unsigned_char(int32_t x) {81#line 110082 return x;83}84 85uint8_t convert_signed_char_to_unsigned_char(int8_t x) {86#line 120087 return x;88}89 90int8_t convert_unsigned_char_to_signed_char(uint8_t x) {91#line 130092 return x;93}94 95uint32_t convert_signed_char_to_unsigned_int(int8_t x) {96#line 140097 return x;98}99 100int8_t convert_unsigned_int_to_signed_char(uint32_t x) {101#line 1500102 return x;103}104 105int8_t convert_signed_int_to_signed_char(int32_t x) {106#line 1600107 return x;108}109 110#line 1111 // !!!111 112int main() {113 // No bits set.114 convert_unsigned_int_to_unsigned_int(0);115 convert_unsigned_char_to_unsigned_char(0);116 convert_signed_int_to_signed_int(0);117 convert_signed_char_to_signed_char(0);118 convert_unsigned_int_to_unsigned_char(0);119 convert_unsigned_char_to_unsigned_int(0);120 convert_unsigned_char_to_signed_int(0);121 convert_signed_char_to_signed_int(0);122 convert_unsigned_int_to_signed_int(0);123 convert_signed_int_to_unsigned_int(0);124 convert_signed_int_to_unsigned_char(0);125 convert_signed_char_to_unsigned_char(0);126 convert_unsigned_char_to_signed_char(0);127 convert_signed_char_to_unsigned_int(0);128 convert_unsigned_int_to_signed_char(0);129 convert_signed_int_to_signed_char(0);130 131 // One lowest bit set.132 convert_unsigned_int_to_unsigned_int(1);133 convert_unsigned_char_to_unsigned_char(1);134 convert_signed_int_to_signed_int(1);135 convert_signed_char_to_signed_char(1);136 convert_unsigned_int_to_unsigned_char(1);137 convert_unsigned_char_to_unsigned_int(1);138 convert_unsigned_char_to_signed_int(1);139 convert_signed_char_to_signed_int(1);140 convert_unsigned_int_to_signed_int(1);141 convert_signed_int_to_unsigned_int(1);142 convert_signed_int_to_unsigned_char(1);143 convert_signed_char_to_unsigned_char(1);144 convert_unsigned_char_to_signed_char(1);145 convert_signed_char_to_unsigned_int(1);146 convert_unsigned_int_to_signed_char(1);147 convert_signed_int_to_signed_char(1);148 149#if defined(V0)150 // All source bits set.151 convert_unsigned_int_to_unsigned_int((uint32_t)UINT32_MAX);152 convert_unsigned_char_to_unsigned_char((uint8_t)UINT8_MAX);153 convert_signed_int_to_signed_int((int32_t)(uint32_t)UINT32_MAX);154 convert_signed_char_to_signed_char((int8_t)UINT8_MAX);155 convert_unsigned_int_to_unsigned_char((uint32_t)UINT32_MAX);156// CHECK-V0: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned157 convert_unsigned_char_to_unsigned_int((uint8_t)UINT8_MAX);158 convert_unsigned_char_to_signed_int((uint8_t)UINT8_MAX);159 convert_signed_char_to_signed_int((int8_t)UINT8_MAX);160 convert_unsigned_int_to_signed_int((uint32_t)UINT32_MAX);161 convert_signed_int_to_unsigned_int((int32_t)(uint32_t)UINT32_MAX);162 convert_signed_int_to_unsigned_char((int32_t)(uint32_t)UINT32_MAX);163// CHECK-V0: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -1 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned)164 convert_signed_char_to_unsigned_char((int8_t)UINT8_MAX);165 convert_unsigned_char_to_signed_char((uint8_t)UINT8_MAX);166 convert_signed_char_to_unsigned_int((int8_t)UINT8_MAX);167 convert_unsigned_int_to_signed_char((uint32_t)UINT32_MAX);168 convert_signed_int_to_signed_char((int32_t)(uint32_t)UINT32_MAX);169#elif defined(V1)170 // Source 'Sign' bit set.171 convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MIN);172 convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MIN);173 convert_signed_int_to_signed_int((int32_t)(uint32_t)INT32_MIN);174 convert_signed_char_to_signed_char((int8_t)INT8_MIN);175 convert_unsigned_int_to_unsigned_char((uint32_t)INT32_MIN);176// CHECK-V1: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483648 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 0 (8-bit, unsigned)177 convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MIN);178 convert_unsigned_char_to_signed_int((uint8_t)INT8_MIN);179 convert_signed_char_to_signed_int((int8_t)INT8_MIN);180 convert_unsigned_int_to_signed_int((uint32_t)INT32_MIN);181 convert_signed_int_to_unsigned_int((int32_t)(uint32_t)INT32_MIN);182 convert_signed_int_to_unsigned_char((int32_t)(uint32_t)INT32_MIN);183// CHECK-V1: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -2147483648 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 0 (8-bit, unsigned)184 convert_signed_char_to_unsigned_char((int8_t)INT8_MIN);185 convert_unsigned_char_to_signed_char((uint8_t)INT8_MIN);186 convert_signed_char_to_unsigned_int((int8_t)INT8_MIN);187 convert_unsigned_int_to_signed_char((uint32_t)INT32_MIN);188// CHECK-V1: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483648 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 0 (8-bit, signed)189 convert_signed_int_to_signed_char((int32_t)(uint32_t)INT32_MIN);190// CHECK-V1: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -2147483648 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 0 (8-bit, signed)191#elif defined(V2)192 // All bits except the source 'Sign' bit are set.193 convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MAX);194 convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MAX);195 convert_signed_int_to_signed_int((int32_t)(uint32_t)INT32_MAX);196 convert_signed_char_to_signed_char((int8_t)INT8_MAX);197 convert_unsigned_int_to_unsigned_char((uint32_t)INT32_MAX);198// CHECK-V2: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483647 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned)199 convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MAX);200 convert_unsigned_char_to_signed_int((uint8_t)INT8_MAX);201 convert_signed_char_to_signed_int((int8_t)INT8_MAX);202 convert_unsigned_int_to_signed_int((uint32_t)INT32_MAX);203 convert_signed_int_to_unsigned_int((int32_t)(uint32_t)INT32_MAX);204 convert_signed_int_to_unsigned_char((int32_t)(uint32_t)INT32_MAX);205// CHECK-V2: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 2147483647 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned)206 convert_signed_char_to_unsigned_char((int8_t)INT8_MAX);207 convert_unsigned_char_to_signed_char((uint8_t)INT8_MAX);208 convert_signed_char_to_unsigned_int((int8_t)INT8_MAX);209 convert_unsigned_int_to_signed_char((uint32_t)INT32_MAX);210// CHECK-V2: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483647 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -1 (8-bit, signed)211 convert_signed_int_to_signed_char((int32_t)(uint32_t)INT32_MAX);212// CHECK-V2: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 2147483647 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -1 (8-bit, signed)213#elif defined(V3)214 // All destination bits set.215 convert_unsigned_int_to_unsigned_int((uint32_t)UINT8_MAX);216 convert_unsigned_char_to_unsigned_char((uint8_t)UINT8_MAX);217 convert_signed_int_to_signed_int((int32_t)(uint32_t)UINT8_MAX);218 convert_signed_char_to_signed_char((int8_t)UINT8_MAX);219 convert_unsigned_int_to_unsigned_char((uint32_t)UINT8_MAX);220 convert_unsigned_char_to_unsigned_int((uint8_t)UINT8_MAX);221 convert_unsigned_char_to_signed_int((uint8_t)UINT8_MAX);222 convert_signed_char_to_signed_int((int8_t)UINT8_MAX);223 convert_unsigned_int_to_signed_int((uint32_t)UINT8_MAX);224 convert_signed_int_to_unsigned_int((int32_t)(uint32_t)UINT8_MAX);225 convert_signed_int_to_unsigned_char((int32_t)(uint32_t)UINT8_MAX);226 convert_signed_char_to_unsigned_char((int8_t)UINT8_MAX);227 convert_unsigned_char_to_signed_char((uint8_t)UINT8_MAX);228 convert_signed_char_to_unsigned_int((int8_t)UINT8_MAX);229 convert_unsigned_int_to_signed_char((uint32_t)UINT8_MAX);230// CHECK-V3: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 255 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -1 (8-bit, signed)231 convert_signed_int_to_signed_char((int32_t)(uint32_t)UINT8_MAX);232// CHECK-V3: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 255 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -1 (8-bit, signed)233#elif defined(V4)234 // Destination 'sign' bit set.235 convert_unsigned_int_to_unsigned_int((uint32_t)(uint8_t)INT8_MIN);236 convert_unsigned_char_to_unsigned_char((uint8_t)(uint8_t)INT8_MIN);237 convert_signed_int_to_signed_int((int32_t)(uint32_t)(uint8_t)INT8_MIN);238 convert_signed_char_to_signed_char((int8_t)(uint8_t)INT8_MIN);239 convert_unsigned_int_to_unsigned_char((uint32_t)(uint8_t)INT8_MIN);240 convert_unsigned_char_to_unsigned_int((uint8_t)(uint8_t)INT8_MIN);241 convert_unsigned_char_to_signed_int((uint8_t)(uint8_t)INT8_MIN);242 convert_signed_char_to_signed_int((int8_t)(uint8_t)INT8_MIN);243 convert_unsigned_int_to_signed_int((uint32_t)(uint8_t)INT8_MIN);244 convert_signed_int_to_unsigned_int((int32_t)(uint32_t)(uint8_t)INT8_MIN);245 convert_signed_int_to_unsigned_char((int32_t)(uint32_t)(uint8_t)INT8_MIN);246 convert_signed_char_to_unsigned_char((int8_t)(uint8_t)INT8_MIN);247 convert_unsigned_char_to_signed_char((uint8_t)(uint8_t)INT8_MIN);248 convert_signed_char_to_unsigned_int((int8_t)(uint8_t)INT8_MIN);249 convert_unsigned_int_to_signed_char((uint32_t)(uint8_t)INT8_MIN);250// CHECK-V4: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 128 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -128 (8-bit, signed)251 convert_signed_int_to_signed_char((int32_t)(uint32_t)(uint8_t)INT8_MIN);252// CHECK-V4: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 128 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -128 (8-bit, signed)253#elif defined(V5)254 // All bits except the destination 'sign' bit are set.255 convert_unsigned_int_to_unsigned_int((~((uint32_t)(uint8_t)INT8_MIN)));256 convert_unsigned_char_to_unsigned_char((uint8_t)(uint8_t)INT8_MIN);257 convert_signed_int_to_signed_int((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));258 convert_signed_char_to_signed_char((int8_t)(uint8_t)INT8_MIN);259 convert_unsigned_int_to_unsigned_char((~((uint32_t)(uint8_t)INT8_MIN)));260// CHECK-V5: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 4294967167 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 127 (8-bit, unsigned)261 convert_unsigned_char_to_unsigned_int((uint8_t)(uint8_t)INT8_MIN);262 convert_unsigned_char_to_signed_int((uint8_t)(uint8_t)INT8_MIN);263 convert_signed_char_to_signed_int((int8_t)(uint8_t)INT8_MIN);264 convert_unsigned_int_to_signed_int((~((uint32_t)(uint8_t)INT8_MIN)));265 convert_signed_int_to_unsigned_int((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));266 convert_signed_int_to_unsigned_char((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));267// CHECK-V5: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -129 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 127 (8-bit, unsigned)268 convert_signed_char_to_unsigned_char((int8_t)(uint8_t)INT8_MIN);269 convert_unsigned_char_to_signed_char((uint8_t)(uint8_t)INT8_MIN);270 convert_signed_char_to_unsigned_int((int8_t)(uint8_t)INT8_MIN);271 convert_unsigned_int_to_signed_char((~((uint32_t)(uint8_t)INT8_MIN)));272// CHECK-V5: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 4294967167 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 127 (8-bit, signed)273 convert_signed_int_to_signed_char((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));274// CHECK-V5: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -129 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 127 (8-bit, signed)275#elif defined(V6)276 // Only the source and destination sign bits are set.277 convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MIN);278 convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MIN);279 convert_signed_int_to_signed_int((int32_t)INT32_MIN);280 convert_signed_char_to_signed_char((int8_t)INT8_MIN);281 convert_unsigned_int_to_unsigned_char(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN));282// CHECK-V6: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483776 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 128 (8-bit, unsigned)283 convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MIN);284 convert_unsigned_char_to_signed_int((uint8_t)INT8_MIN);285 convert_signed_char_to_signed_int((int8_t)INT8_MIN);286 convert_unsigned_int_to_signed_int((uint32_t)INT32_MIN);287 convert_signed_int_to_unsigned_int((uint32_t)INT32_MIN);288 convert_signed_int_to_unsigned_char((int32_t)(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));289// CHECK-V6: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -2147483520 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 128 (8-bit, unsigned)290 convert_signed_char_to_unsigned_char((int8_t)INT8_MIN);291 convert_unsigned_char_to_signed_char((uint8_t)INT8_MIN);292 convert_signed_char_to_unsigned_int((int8_t)INT8_MIN);293 convert_unsigned_int_to_signed_char((((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));294// CHECK-V6: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483776 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -128 (8-bit, signed)295 convert_signed_int_to_signed_char((int32_t)(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));296// CHECK-V6: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -2147483520 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -128 (8-bit, signed)297#elif defined(V7)298 // All bits except the source and destination sign bits are set.299 convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MAX);300 convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MAX);301 convert_signed_int_to_signed_int((int32_t)INT32_MAX);302 convert_signed_char_to_signed_char((int8_t)INT8_MAX);303 convert_unsigned_int_to_unsigned_char(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));304// CHECK-V7: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483519 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 127 (8-bit, unsigned)305 convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MAX);306 convert_unsigned_char_to_signed_int((uint8_t)INT8_MAX);307 convert_signed_char_to_signed_int((int8_t)INT8_MAX);308 convert_unsigned_int_to_signed_int((uint32_t)INT32_MAX);309 convert_signed_int_to_unsigned_int((uint32_t)INT32_MAX);310 convert_signed_int_to_unsigned_char((int32_t)(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN))));311// CHECK-V7: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 2147483519 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 127 (8-bit, unsigned)312 convert_signed_char_to_unsigned_char((int8_t)INT8_MAX);313 convert_unsigned_char_to_signed_char((uint8_t)INT8_MAX);314 convert_signed_char_to_unsigned_int((int8_t)INT8_MAX);315 convert_unsigned_int_to_signed_char(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));316// CHECK-V7: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483519 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 127 (8-bit, signed)317 convert_signed_int_to_signed_char((int32_t)~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));318// CHECK-V7: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 2147483519 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 127 (8-bit, signed)319#else320#error Some V* needs to be defined!321#endif322 323 return 0;324}325