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Differential D52590

[compiler-rt][ubsan][NFC] Slight test cleanup in preparation for D50902.
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Authored by lebedev.ri on Sep 27 2018, 1:46 AM.

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Reviewers
vsk
vitalybuka
filcab
Commits
rGf11d564629ac: [compiler-rt][ubsan][NFC] Slight test cleanup in preparation for D50902.
rCRT343250: [compiler-rt][ubsan][NFC] Slight test cleanup in preparation for D50902.
rL343250: [compiler-rt][ubsan][NFC] Slight test cleanup in preparation for D50902.

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lebedev.ri created this revision.Sep 27 2018, 1:46 AM
Herald added subscribers: Restricted Project, llvm-commits, dberris, kubamracek. · View Herald TranscriptSep 27 2018, 1:46 AM
lebedev.ri added a child revision: D50902: [compiler-rt][ubsan] Split Implicit Integer Truncation Sanitizer into unsigned and signed checks.Sep 27 2018, 1:46 AM
vitalybuka accepted this revision.Sep 27 2018, 10:45 AM
This revision is now accepted and ready to land.Sep 27 2018, 10:45 AM
lebedev.ri added a comment.Sep 27 2018, 10:54 AM

Thank you for the review!

Closed by commit rL343250: [compiler-rt][ubsan][NFC] Slight test cleanup in preparation for D50902. (authored by lebedevri). · Explain WhySep 27 2018, 12:09 PM
This revision was automatically updated to reflect the committed changes.
Herald added a subscriber: delcypher. · View Herald TranscriptSep 27 2018, 12:09 PM

Revision Contents

PathSize
test/
ubsan/
TestCases/
ImplicitConversion/
330 lines
365 lines

Diff 167246

test/ubsan/TestCases/ImplicitConversion/integer-conversion.c

// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -DV0 -o %t && %run %t 2>&1 | not FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V0 // RUN: %clang -x c -fsanitize=implicit-conversion %s -DV0 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V0
// 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-V1 // RUN: %clang -x c -fsanitize=implicit-conversion %s -DV1 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V1
// 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-V2 // RUN: %clang -x c -fsanitize=implicit-conversion %s -DV2 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V2
// 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-V3 // RUN: %clang -x c -fsanitize=implicit-conversion %s -DV3 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V3
// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -DV4 -o %t && %run %t 2>&1 | not FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V4 // RUN: %clang -x c -fsanitize=implicit-conversion %s -DV4 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V4
// 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-V5 // RUN: %clang -x c -fsanitize=implicit-conversion %s -DV5 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V5
// 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-V6 // RUN: %clang -x c -fsanitize=implicit-conversion %s -DV6 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V6
// RUN: %clang -x c -fsanitize=implicit-conversion %s -DV7 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V7
// RUN: %clang -x c++ -fsanitize=implicit-integer-truncation %s -DV0 -o %t && %run %t 2>&1 | not FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V0
// 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-V1 // RUN: %clang -x c++ -fsanitize=implicit-conversion %s -DV0 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V0
// 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-V2 // RUN: %clang -x c++ -fsanitize=implicit-conversion %s -DV1 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V1
// 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-V3 // RUN: %clang -x c++ -fsanitize=implicit-conversion %s -DV2 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V2
// RUN: %clang -x c++ -fsanitize=implicit-integer-truncation %s -DV4 -o %t && %run %t 2>&1 | not FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V4 // RUN: %clang -x c++ -fsanitize=implicit-conversion %s -DV3 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V3
// 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-V5 // RUN: %clang -x c++ -fsanitize=implicit-conversion %s -DV4 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V4
// 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-V6 // RUN: %clang -x c++ -fsanitize=implicit-conversion %s -DV5 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V5
// RUN: %clang -x c++ -fsanitize=implicit-conversion %s -DV6 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V6
// RUN: %clang -x c++ -fsanitize=implicit-conversion %s -DV7 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V7
#include <stdint.h> #include <stdint.h>
int8_t positive6_convert_unsigned_int_to_signed_char(uint32_t x) { // Test plan:
// * Two types - int and char
// * Two signs - signed and unsigned
// * Square that - we have input and output types.
// Thus, there are total of (2*2)^2 == 16 tests.
// These are all the possible variations/combinations of casts.
// However, not all of them should result in the check.
// So here, we *only* check which should and which should not result in checks.
unsigned int convert_unsigned_int_to_unsigned_int(unsigned int x) {
#line 100 #line 100
return x; return x;
} }
#line 1120 // !!! unsigned char convert_unsigned_char_to_unsigned_char(unsigned char x) {
#line 200
return x;
}
signed int convert_signed_int_to_signed_int(signed int x) {
#line 300
return x;
}
signed char convert_signed_char_to_signed_char(signed char x) {
#line 400
return x;
}
unsigned char convert_unsigned_int_to_unsigned_char(unsigned int x) {
#line 500
return x;
}
unsigned int convert_unsigned_char_to_unsigned_int(unsigned char x) {
#line 600
return x;
}
signed int convert_unsigned_char_to_signed_int(unsigned char x) {
#line 700
return x;
}
signed int convert_signed_char_to_signed_int(signed char x) {
#line 800
return x;
}
signed int convert_unsigned_int_to_signed_int(unsigned int x) {
#line 900
return x;
}
unsigned int convert_signed_int_to_unsigned_int(signed int x) {
#line 1000
return x;
}
unsigned char convert_signed_int_to_unsigned_char(signed int x) {
#line 1100
return x;
}
unsigned char convert_signed_char_to_unsigned_char(signed char x) {
#line 1200
return x;
}
signed char convert_unsigned_char_to_signed_char(unsigned char x) {
#line 1300
return x;
}
unsigned int convert_signed_char_to_unsigned_int(signed char x) {
#line 1400
return x;
}
signed char convert_unsigned_int_to_signed_char(unsigned int x) {
#line 1500
return x;
}
signed char convert_signed_int_to_signed_char(signed int x) {
#line 1600
return x;
}
void test_positives() { #line 1111 // !!!
int main() {
// No bits set. // No bits set.
positive6_convert_unsigned_int_to_signed_char(0); convert_unsigned_int_to_unsigned_int(0);
convert_unsigned_char_to_unsigned_char(0);
convert_signed_int_to_signed_int(0);
convert_signed_char_to_signed_char(0);
convert_unsigned_int_to_unsigned_char(0);
convert_unsigned_char_to_unsigned_int(0);
convert_unsigned_char_to_signed_int(0);
convert_signed_char_to_signed_int(0);
convert_unsigned_int_to_signed_int(0);
convert_signed_int_to_unsigned_int(0);
convert_signed_int_to_unsigned_char(0);
convert_signed_char_to_unsigned_char(0);
convert_unsigned_char_to_signed_char(0);
convert_signed_char_to_unsigned_int(0);
convert_unsigned_int_to_signed_char(0);
convert_signed_int_to_signed_char(0);
// One lowest bit set. // One lowest bit set.
positive6_convert_unsigned_int_to_signed_char(1); convert_unsigned_int_to_unsigned_int(1);
convert_unsigned_char_to_unsigned_char(1);
convert_signed_int_to_signed_int(1);
convert_signed_char_to_signed_char(1);
convert_unsigned_int_to_unsigned_char(1);
convert_unsigned_char_to_unsigned_int(1);
convert_unsigned_char_to_signed_int(1);
convert_signed_char_to_signed_int(1);
convert_unsigned_int_to_signed_int(1);
convert_signed_int_to_unsigned_int(1);
convert_signed_int_to_unsigned_char(1);
convert_signed_char_to_unsigned_char(1);
convert_unsigned_char_to_signed_char(1);
convert_signed_char_to_unsigned_int(1);
convert_unsigned_int_to_signed_char(1);
convert_signed_int_to_signed_char(1);
#if defined(V0) #if defined(V0)
// All source bits set. // All source bits set.
positive6_convert_unsigned_int_to_signed_char((uint32_t)UINT32_MAX); convert_unsigned_int_to_unsigned_int((uint32_t)UINT32_MAX);
convert_unsigned_char_to_unsigned_char((uint8_t)UINT8_MAX);
convert_signed_int_to_signed_int((int32_t)(uint32_t)UINT32_MAX);
convert_signed_char_to_signed_char((int8_t)UINT8_MAX);
convert_unsigned_int_to_unsigned_char((uint32_t)UINT32_MAX);
// CHECK-V0: {{.*}}integer-conversion.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 4294967295 (32-bit, unsigned) to type 'unsigned char' changed the value to 255 (8-bit, unsigned
convert_unsigned_char_to_unsigned_int((uint8_t)UINT8_MAX);
convert_unsigned_char_to_signed_int((uint8_t)UINT8_MAX);
convert_signed_char_to_signed_int((int8_t)UINT8_MAX);
convert_unsigned_int_to_signed_int((uint32_t)UINT32_MAX);
convert_signed_int_to_unsigned_int((int32_t)(uint32_t)UINT32_MAX);
convert_signed_int_to_unsigned_char((int32_t)(uint32_t)UINT32_MAX);
// CHECK-V0: {{.*}}integer-conversion.c:1100:10: runtime error: implicit conversion from type 'int' of value -1 (32-bit, signed) to type 'unsigned char' changed the value to 255 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)UINT8_MAX);
convert_unsigned_char_to_signed_char((uint8_t)UINT8_MAX);
convert_signed_char_to_unsigned_int((int8_t)UINT8_MAX);
convert_unsigned_int_to_signed_char((uint32_t)UINT32_MAX);
convert_signed_int_to_signed_char((int32_t)(uint32_t)UINT32_MAX);
#elif defined(V1) #elif defined(V1)
// Source 'Sign' bit set. // Source 'Sign' bit set.
positive6_convert_unsigned_int_to_signed_char((uint32_t)INT32_MIN); convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MIN);
// CHECK-V1: {{.*}}integer-conversion.c:100:10: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 2147483648 (32-bit, unsigned) to type 'int8_t' (aka 'signed char') changed the value to 0 (8-bit, signed) convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MIN);
convert_signed_int_to_signed_int((int32_t)(uint32_t)INT32_MIN);
convert_signed_char_to_signed_char((int8_t)INT8_MIN);
convert_unsigned_int_to_unsigned_char((uint32_t)INT32_MIN);
// CHECK-V1: {{.*}}integer-conversion.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483648 (32-bit, unsigned) to type 'unsigned char' changed the value to 0 (8-bit, unsigned)
convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_int((uint8_t)INT8_MIN);
convert_signed_char_to_signed_int((int8_t)INT8_MIN);
convert_unsigned_int_to_signed_int((uint32_t)INT32_MIN);
convert_signed_int_to_unsigned_int((int32_t)(uint32_t)INT32_MIN);
convert_signed_int_to_unsigned_char((int32_t)(uint32_t)INT32_MIN);
// CHECK-V1: {{.*}}integer-conversion.c:1100:10: runtime error: implicit conversion from type 'int' of value -2147483648 (32-bit, signed) to type 'unsigned char' changed the value to 0 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)INT8_MIN);
convert_unsigned_char_to_signed_char((uint8_t)INT8_MIN);
convert_signed_char_to_unsigned_int((int8_t)INT8_MIN);
convert_unsigned_int_to_signed_char((uint32_t)INT32_MIN);
// CHECK-V1: {{.*}}integer-conversion.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483648 (32-bit, unsigned) to type 'signed char' changed the value to 0 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(uint32_t)INT32_MIN);
// CHECK-V1: {{.*}}integer-conversion.c:1600:10: runtime error: implicit conversion from type 'int' of value -2147483648 (32-bit, signed) to type 'signed char' changed the value to 0 (8-bit, signed)
#elif defined(V2) #elif defined(V2)
// All bits except the source 'Sign' bit are set. // All bits except the source 'Sign' bit are set.
positive6_convert_unsigned_int_to_signed_char((uint32_t)INT32_MAX); convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MAX);
// CHECK-V2: {{.*}}integer-conversion.c:100:10: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 2147483647 (32-bit, unsigned) to type 'int8_t' (aka 'signed char') changed the value to -1 (8-bit, signed) convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MAX);
convert_signed_int_to_signed_int((int32_t)(uint32_t)INT32_MAX);
convert_signed_char_to_signed_char((int8_t)INT8_MAX);
convert_unsigned_int_to_unsigned_char((uint32_t)INT32_MAX);
// CHECK-V2: {{.*}}integer-conversion.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483647 (32-bit, unsigned) to type 'unsigned char' changed the value to 255 (8-bit, unsigned)
convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MAX);
convert_unsigned_char_to_signed_int((uint8_t)INT8_MAX);
convert_signed_char_to_signed_int((int8_t)INT8_MAX);
convert_unsigned_int_to_signed_int((uint32_t)INT32_MAX);
convert_signed_int_to_unsigned_int((int32_t)(uint32_t)INT32_MAX);
convert_signed_int_to_unsigned_char((int32_t)(uint32_t)INT32_MAX);
// CHECK-V2: {{.*}}integer-conversion.c:1100:10: runtime error: implicit conversion from type 'int' of value 2147483647 (32-bit, signed) to type 'unsigned char' changed the value to 255 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)INT8_MAX);
convert_unsigned_char_to_signed_char((uint8_t)INT8_MAX);
convert_signed_char_to_unsigned_int((int8_t)INT8_MAX);
convert_unsigned_int_to_signed_char((uint32_t)INT32_MAX);
// CHECK-V2: {{.*}}integer-conversion.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483647 (32-bit, unsigned) to type 'signed char' changed the value to -1 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(uint32_t)INT32_MAX);
// CHECK-V2: {{.*}}integer-conversion.c:1600:10: runtime error: implicit conversion from type 'int' of value 2147483647 (32-bit, signed) to type 'signed char' changed the value to -1 (8-bit, signed)
#elif defined(V3) #elif defined(V3)
// All destination bits set. // All destination bits set.
positive6_convert_unsigned_int_to_signed_char((uint32_t)UINT8_MAX); convert_unsigned_int_to_unsigned_int((uint32_t)UINT8_MAX);
// CHECK-V3: {{.*}}integer-conversion.c:100:10: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 255 (32-bit, unsigned) to type 'int8_t' (aka 'signed char') changed the value to -1 (8-bit, signed) convert_unsigned_char_to_unsigned_char((uint8_t)UINT8_MAX);
convert_signed_int_to_signed_int((int32_t)(uint32_t)UINT8_MAX);
convert_signed_char_to_signed_char((int8_t)UINT8_MAX);
convert_unsigned_int_to_unsigned_char((uint32_t)UINT8_MAX);
convert_unsigned_char_to_unsigned_int((uint8_t)UINT8_MAX);
convert_unsigned_char_to_signed_int((uint8_t)UINT8_MAX);
convert_signed_char_to_signed_int((int8_t)UINT8_MAX);
convert_unsigned_int_to_signed_int((uint32_t)UINT8_MAX);
convert_signed_int_to_unsigned_int((int32_t)(uint32_t)UINT8_MAX);
convert_signed_int_to_unsigned_char((int32_t)(uint32_t)UINT8_MAX);
convert_signed_char_to_unsigned_char((int8_t)UINT8_MAX);
convert_unsigned_char_to_signed_char((uint8_t)UINT8_MAX);
convert_signed_char_to_unsigned_int((int8_t)UINT8_MAX);
convert_unsigned_int_to_signed_char((uint32_t)UINT8_MAX);
// CHECK-V3: {{.*}}integer-conversion.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 255 (32-bit, unsigned) to type 'signed char' changed the value to -1 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(uint32_t)UINT8_MAX);
// CHECK-V3: {{.*}}integer-conversion.c:1600:10: runtime error: implicit conversion from type 'int' of value 255 (32-bit, signed) to type 'signed char' changed the value to -1 (8-bit, signed)
#elif defined(V4) #elif defined(V4)
// Destination 'sign' bit set. // Destination 'sign' bit set.
positive6_convert_unsigned_int_to_signed_char((uint32_t)INT8_MIN); convert_unsigned_int_to_unsigned_int((uint32_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_unsigned_char((uint8_t)(uint8_t)INT8_MIN);
convert_signed_int_to_signed_int((int32_t)(uint32_t)(uint8_t)INT8_MIN);
convert_signed_char_to_signed_char((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_unsigned_char((uint32_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_unsigned_int((uint8_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_int((uint8_t)(uint8_t)INT8_MIN);
convert_signed_char_to_signed_int((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_signed_int((uint32_t)(uint8_t)INT8_MIN);
convert_signed_int_to_unsigned_int((int32_t)(uint32_t)(uint8_t)INT8_MIN);
convert_signed_int_to_unsigned_char((int32_t)(uint32_t)(uint8_t)INT8_MIN);
convert_signed_char_to_unsigned_char((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_char((uint8_t)(uint8_t)INT8_MIN);
convert_signed_char_to_unsigned_int((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_signed_char((uint32_t)(uint8_t)INT8_MIN);
// CHECK-V4: {{.*}}integer-conversion.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 128 (32-bit, unsigned) to type 'signed char' changed the value to -128 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(uint32_t)(uint8_t)INT8_MIN);
// CHECK-V4: {{.*}}integer-conversion.c:1600:10: runtime error: implicit conversion from type 'int' of value 128 (32-bit, signed) to type 'signed char' changed the value to -128 (8-bit, signed)
#elif defined(V5) #elif defined(V5)
// All bits except the destination 'sign' bit are set. // All bits except the destination 'sign' bit are set.
positive6_convert_unsigned_int_to_signed_char(~((uint32_t)(uint8_t)INT8_MIN)); convert_unsigned_int_to_unsigned_int((~((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V5: {{.*}}integer-conversion.c:100:10: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 4294967167 (32-bit, unsigned) to type 'int8_t' (aka 'signed char') changed the value to 127 (8-bit, signed) convert_unsigned_char_to_unsigned_char((uint8_t)(uint8_t)INT8_MIN);
convert_signed_int_to_signed_int((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
convert_signed_char_to_signed_char((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_unsigned_char((~((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V5: {{.*}}integer-conversion.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 4294967167 (32-bit, unsigned) to type 'unsigned char' changed the value to 127 (8-bit, unsigned)
convert_unsigned_char_to_unsigned_int((uint8_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_int((uint8_t)(uint8_t)INT8_MIN);
convert_signed_char_to_signed_int((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_signed_int((~((uint32_t)(uint8_t)INT8_MIN)));
convert_signed_int_to_unsigned_int((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
convert_signed_int_to_unsigned_char((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V5: {{.*}}integer-conversion.c:1100:10: runtime error: implicit conversion from type 'int' of value -129 (32-bit, signed) to type 'unsigned char' changed the value to 127 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_char((uint8_t)(uint8_t)INT8_MIN);
convert_signed_char_to_unsigned_int((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_signed_char((~((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V5: {{.*}}integer-conversion.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 4294967167 (32-bit, unsigned) to type 'signed char' changed the value to 127 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V5: {{.*}}integer-conversion.c:1600:10: runtime error: implicit conversion from type 'int' of value -129 (32-bit, signed) to type 'signed char' changed the value to 127 (8-bit, signed)
#elif defined(V6) #elif defined(V6)
// Only the source and destination sign bits are set. // Only the source and destination sign bits are set.
positive6_convert_unsigned_int_to_signed_char((uint32_t)((uint32_t)INT32_MIN | (uint32_t)((uint8_t)INT8_MIN))); convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MIN);
// CHECK-V6: {{.*}}integer-conversion.c:100:10: runtime error: implicit conversion from type 'uint32_t' (aka 'unsigned int') of value 2147483776 (32-bit, unsigned) to type 'int8_t' (aka 'signed char') changed the value to -128 (8-bit, signed) convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MIN);
convert_signed_int_to_signed_int((int32_t)INT32_MIN);
convert_signed_char_to_signed_char((int8_t)INT8_MIN);
convert_unsigned_int_to_unsigned_char(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN));
// CHECK-V6: {{.*}}integer-conversion.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483776 (32-bit, unsigned) to type 'unsigned char' changed the value to 128 (8-bit, unsigned)
convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_int((uint8_t)INT8_MIN);
convert_signed_char_to_signed_int((int8_t)INT8_MIN);
convert_unsigned_int_to_signed_int((uint32_t)INT32_MIN);
convert_signed_int_to_unsigned_int((uint32_t)INT32_MIN);
convert_signed_int_to_unsigned_char((int32_t)(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V6: {{.*}}integer-conversion.c:1100:10: runtime error: implicit conversion from type 'int' of value -2147483520 (32-bit, signed) to type 'unsigned char' changed the value to 128 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)INT8_MIN);
convert_unsigned_char_to_signed_char((uint8_t)INT8_MIN);
convert_signed_char_to_unsigned_int((int8_t)INT8_MIN);
convert_unsigned_int_to_signed_char((((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V6: {{.*}}integer-conversion.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483776 (32-bit, unsigned) to type 'signed char' changed the value to -128 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V6: {{.*}}integer-conversion.c:1600:10: runtime error: implicit conversion from type 'int' of value -2147483520 (32-bit, signed) to type 'signed char' changed the value to -128 (8-bit, signed)
#elif defined(V7)
// All bits except the source and destination sign bits are set.
convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MAX);
convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MAX);
convert_signed_int_to_signed_int((int32_t)INT32_MAX);
convert_signed_char_to_signed_char((int8_t)INT8_MAX);
convert_unsigned_int_to_unsigned_char(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V7: {{.*}}integer-conversion.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483519 (32-bit, unsigned) to type 'unsigned char' changed the value to 127 (8-bit, unsigned)
convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MAX);
convert_unsigned_char_to_signed_int((uint8_t)INT8_MAX);
convert_signed_char_to_signed_int((int8_t)INT8_MAX);
convert_unsigned_int_to_signed_int((uint32_t)INT32_MAX);
convert_signed_int_to_unsigned_int((uint32_t)INT32_MAX);
convert_signed_int_to_unsigned_char((int32_t)(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN))));
// CHECK-V7: {{.*}}integer-conversion.c:1100:10: runtime error: implicit conversion from type 'int' of value 2147483519 (32-bit, signed) to type 'unsigned char' changed the value to 127 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)INT8_MAX);
convert_unsigned_char_to_signed_char((uint8_t)INT8_MAX);
convert_signed_char_to_unsigned_int((int8_t)INT8_MAX);
convert_unsigned_int_to_signed_char(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V7: {{.*}}integer-conversion.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483519 (32-bit, unsigned) to type 'signed char' changed the value to 127 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V7: {{.*}}integer-conversion.c:1600:10: runtime error: implicit conversion from type 'int' of value 2147483519 (32-bit, signed) to type 'signed char' changed the value to 127 (8-bit, signed)
#else #else
#error Some V* needs to be defined! #error Some V* needs to be defined!
#endif #endif
}
// CHECK-NOT: implicit conversion
int main() {
test_positives();
return 0; return 0;
} }

test/ubsan/TestCases/ImplicitConversion/integer-truncation.c

// RUN: %clang -x c -fsanitize=implicit-integer-truncation %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK // 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-V0
// RUN: %clangxx -x c++ -fsanitize=implicit-integer-truncation %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK // 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-V1
// 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-V2
// 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-V3
// 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-V4
// 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-V5
// 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-V6
// 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-V7
// 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-V0
// 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-V1
// 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-V2
// 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-V3
// 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-V4
// 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-V5
// 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-V6
// 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-V7
#include <stdint.h> #include <stdint.h>
#if !defined(__cplusplus) // Test plan:
#define bool _Bool // * Two types - int and char
#endif // * Two signs - signed and unsigned
// * Square that - we have input and output types.
// Thus, there are total of (2*2)^2 == 16 tests.
// These are all the possible variations/combinations of casts.
// However, not all of them should result in the check.
// So here, we *only* check which should and which should not result in checks.
unsigned int convert_unsigned_int_to_unsigned_int(unsigned int x) {
#line 100
return x;
}
int main() { unsigned char convert_unsigned_char_to_unsigned_char(unsigned char x) {
// CHECK-NOT: integer-truncation.c #line 200
return x;
}
// Negative tests. Even if they produce unexpected results, this sanitizer does not care. signed int convert_signed_int_to_signed_int(signed int x) {
int8_t n0 = (~((uint32_t)0)); // ~0 -> -1, but do not warn. #line 300
uint8_t n2 = 128; return x;
uint8_t n3 = 255; }
// Bools do not count
bool b0 = (~((uint32_t)0));
bool b1 = 255;
// Explicit and-ing of bits will silence it.
uint8_t nc0 = (~((uint32_t)0)) & 255;
// Explicit casts
uint8_t i0 = (uint8_t)(~((uint32_t)0));
#if defined(__cplusplus)
uint8_t i1 = uint8_t(~(uint32_t(0)));
uint8_t i2 = static_cast<uint8_t>(~(uint32_t(0)));
#endif
// Positive tests. signed char convert_signed_char_to_signed_char(signed char x) {
#line 400
return x;
}
uint8_t t_b0 = (~((uint16_t)(0))); unsigned char convert_unsigned_int_to_unsigned_char(unsigned int x) {
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:18: 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, unsigned) #line 500
return x;
}
uint8_t t_b1 = (~((uint32_t)0)); unsigned int convert_unsigned_char_to_unsigned_int(unsigned char x) {
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:18: 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, unsigned) #line 600
uint16_t t_b2 = (~((uint32_t)0)); return x;
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:19: 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, unsigned) }
uint8_t t_b3 = ~((uint64_t)0); signed int convert_unsigned_char_to_signed_int(unsigned char x) {
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:18: runtime error: implicit conversion from type 'uint64_t' (aka 'unsigned long{{[^']*}}') of value 18446744073709551615 (64-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned) #line 700
uint16_t t_b4 = ~((uint64_t)0); return x;
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:19: runtime error: implicit conversion from type 'uint64_t' (aka 'unsigned long{{[^']*}}') of value 18446744073709551615 (64-bit, unsigned) to type 'uint16_t' (aka 'unsigned short') changed the value to 65535 (16-bit, unsigned) }
uint32_t t_b5 = ~((uint64_t)0);
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:19: runtime error: implicit conversion from type 'uint64_t' (aka 'unsigned long{{[^']*}}') of value 18446744073709551615 (64-bit, unsigned) to type 'uint32_t' (aka 'unsigned int') changed the value to 4294967295 (32-bit, unsigned) signed int convert_signed_char_to_signed_int(signed char x) {
#line 800
int8_t t1 = 255; return x;
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:15: runtime error: implicit conversion from type 'int' of value 255 (32-bit, signed) to type 'int8_t' (aka 'signed char') changed the value to -1 (8-bit, signed) }
uint8_t t2 = 256;
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:16: 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, unsigned) signed int convert_unsigned_int_to_signed_int(unsigned int x) {
int8_t t3 = 256; #line 900
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:15: runtime error: implicit conversion from type 'int' of value 256 (32-bit, signed) to type 'int8_t' (aka 'signed char') changed the value to 0 (8-bit, signed) return x;
uint8_t t4 = 257; }
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:16: runtime error: implicit conversion from type 'int' of value 257 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 1 (8-bit, unsigned)
int8_t t5 = 257; unsigned int convert_signed_int_to_unsigned_int(signed int x) {
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:15: runtime error: implicit conversion from type 'int' of value 257 (32-bit, signed) to type 'int8_t' (aka 'signed char') changed the value to 1 (8-bit, signed) #line 1000
int8_t t6 = 128; return x;
// CHECK: {{.*}}integer-truncation.c:[[@LINE-1]]:15: 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, signed) }
unsigned char convert_signed_int_to_unsigned_char(signed int x) {
#line 1100
return x;
}
unsigned char convert_signed_char_to_unsigned_char(signed char x) {
#line 1200
return x;
}
signed char convert_unsigned_char_to_signed_char(unsigned char x) {
#line 1300
return x;
}
unsigned int convert_signed_char_to_unsigned_int(signed char x) {
#line 1400
return x;
}
signed char convert_unsigned_int_to_signed_char(unsigned int x) {
#line 1500
return x;
}
signed char convert_signed_int_to_signed_char(signed int x) {
#line 1600
return x;
}
#line 1111 // !!!
int main() {
// No bits set.
convert_unsigned_int_to_unsigned_int(0);
convert_unsigned_char_to_unsigned_char(0);
convert_signed_int_to_signed_int(0);
convert_signed_char_to_signed_char(0);
convert_unsigned_int_to_unsigned_char(0);
convert_unsigned_char_to_unsigned_int(0);
convert_unsigned_char_to_signed_int(0);
convert_signed_char_to_signed_int(0);
convert_unsigned_int_to_signed_int(0);
convert_signed_int_to_unsigned_int(0);
convert_signed_int_to_unsigned_char(0);
convert_signed_char_to_unsigned_char(0);
convert_unsigned_char_to_signed_char(0);
convert_signed_char_to_unsigned_int(0);
convert_unsigned_int_to_signed_char(0);
convert_signed_int_to_signed_char(0);
// One lowest bit set.
convert_unsigned_int_to_unsigned_int(1);
convert_unsigned_char_to_unsigned_char(1);
convert_signed_int_to_signed_int(1);
convert_signed_char_to_signed_char(1);
convert_unsigned_int_to_unsigned_char(1);
convert_unsigned_char_to_unsigned_int(1);
convert_unsigned_char_to_signed_int(1);
convert_signed_char_to_signed_int(1);
convert_unsigned_int_to_signed_int(1);
convert_signed_int_to_unsigned_int(1);
convert_signed_int_to_unsigned_char(1);
convert_signed_char_to_unsigned_char(1);
convert_unsigned_char_to_signed_char(1);
convert_signed_char_to_unsigned_int(1);
convert_unsigned_int_to_signed_char(1);
convert_signed_int_to_signed_char(1);
#if defined(V0)
// All source bits set.
convert_unsigned_int_to_unsigned_int((uint32_t)UINT32_MAX);
convert_unsigned_char_to_unsigned_char((uint8_t)UINT8_MAX);
convert_signed_int_to_signed_int((int32_t)(uint32_t)UINT32_MAX);
convert_signed_char_to_signed_char((int8_t)UINT8_MAX);
convert_unsigned_int_to_unsigned_char((uint32_t)UINT32_MAX);
// CHECK-V0: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 4294967295 (32-bit, unsigned) to type 'unsigned char' changed the value to 255 (8-bit, unsigned
convert_unsigned_char_to_unsigned_int((uint8_t)UINT8_MAX);
convert_unsigned_char_to_signed_int((uint8_t)UINT8_MAX);
convert_signed_char_to_signed_int((int8_t)UINT8_MAX);
convert_unsigned_int_to_signed_int((uint32_t)UINT32_MAX);
convert_signed_int_to_unsigned_int((int32_t)(uint32_t)UINT32_MAX);
convert_signed_int_to_unsigned_char((int32_t)(uint32_t)UINT32_MAX);
// CHECK-V0: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type 'int' of value -1 (32-bit, signed) to type 'unsigned char' changed the value to 255 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)UINT8_MAX);
convert_unsigned_char_to_signed_char((uint8_t)UINT8_MAX);
convert_signed_char_to_unsigned_int((int8_t)UINT8_MAX);
convert_unsigned_int_to_signed_char((uint32_t)UINT32_MAX);
convert_signed_int_to_signed_char((int32_t)(uint32_t)UINT32_MAX);
#elif defined(V1)
// Source 'Sign' bit set.
convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MIN);
convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MIN);
convert_signed_int_to_signed_int((int32_t)(uint32_t)INT32_MIN);
convert_signed_char_to_signed_char((int8_t)INT8_MIN);
convert_unsigned_int_to_unsigned_char((uint32_t)INT32_MIN);
// CHECK-V1: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483648 (32-bit, unsigned) to type 'unsigned char' changed the value to 0 (8-bit, unsigned)
convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_int((uint8_t)INT8_MIN);
convert_signed_char_to_signed_int((int8_t)INT8_MIN);
convert_unsigned_int_to_signed_int((uint32_t)INT32_MIN);
convert_signed_int_to_unsigned_int((int32_t)(uint32_t)INT32_MIN);
convert_signed_int_to_unsigned_char((int32_t)(uint32_t)INT32_MIN);
// CHECK-V1: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type 'int' of value -2147483648 (32-bit, signed) to type 'unsigned char' changed the value to 0 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)INT8_MIN);
convert_unsigned_char_to_signed_char((uint8_t)INT8_MIN);
convert_signed_char_to_unsigned_int((int8_t)INT8_MIN);
convert_unsigned_int_to_signed_char((uint32_t)INT32_MIN);
// CHECK-V1: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483648 (32-bit, unsigned) to type 'signed char' changed the value to 0 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(uint32_t)INT32_MIN);
// CHECK-V1: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type 'int' of value -2147483648 (32-bit, signed) to type 'signed char' changed the value to 0 (8-bit, signed)
#elif defined(V2)
// All bits except the source 'Sign' bit are set.
convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MAX);
convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MAX);
convert_signed_int_to_signed_int((int32_t)(uint32_t)INT32_MAX);
convert_signed_char_to_signed_char((int8_t)INT8_MAX);
convert_unsigned_int_to_unsigned_char((uint32_t)INT32_MAX);
// CHECK-V2: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483647 (32-bit, unsigned) to type 'unsigned char' changed the value to 255 (8-bit, unsigned)
convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MAX);
convert_unsigned_char_to_signed_int((uint8_t)INT8_MAX);
convert_signed_char_to_signed_int((int8_t)INT8_MAX);
convert_unsigned_int_to_signed_int((uint32_t)INT32_MAX);
convert_signed_int_to_unsigned_int((int32_t)(uint32_t)INT32_MAX);
convert_signed_int_to_unsigned_char((int32_t)(uint32_t)INT32_MAX);
// CHECK-V2: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type 'int' of value 2147483647 (32-bit, signed) to type 'unsigned char' changed the value to 255 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)INT8_MAX);
convert_unsigned_char_to_signed_char((uint8_t)INT8_MAX);
convert_signed_char_to_unsigned_int((int8_t)INT8_MAX);
convert_unsigned_int_to_signed_char((uint32_t)INT32_MAX);
// CHECK-V2: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483647 (32-bit, unsigned) to type 'signed char' changed the value to -1 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(uint32_t)INT32_MAX);
// CHECK-V2: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type 'int' of value 2147483647 (32-bit, signed) to type 'signed char' changed the value to -1 (8-bit, signed)
#elif defined(V3)
// All destination bits set.
convert_unsigned_int_to_unsigned_int((uint32_t)UINT8_MAX);
convert_unsigned_char_to_unsigned_char((uint8_t)UINT8_MAX);
convert_signed_int_to_signed_int((int32_t)(uint32_t)UINT8_MAX);
convert_signed_char_to_signed_char((int8_t)UINT8_MAX);
convert_unsigned_int_to_unsigned_char((uint32_t)UINT8_MAX);
convert_unsigned_char_to_unsigned_int((uint8_t)UINT8_MAX);
convert_unsigned_char_to_signed_int((uint8_t)UINT8_MAX);
convert_signed_char_to_signed_int((int8_t)UINT8_MAX);
convert_unsigned_int_to_signed_int((uint32_t)UINT8_MAX);
convert_signed_int_to_unsigned_int((int32_t)(uint32_t)UINT8_MAX);
convert_signed_int_to_unsigned_char((int32_t)(uint32_t)UINT8_MAX);
convert_signed_char_to_unsigned_char((int8_t)UINT8_MAX);
convert_unsigned_char_to_signed_char((uint8_t)UINT8_MAX);
convert_signed_char_to_unsigned_int((int8_t)UINT8_MAX);
convert_unsigned_int_to_signed_char((uint32_t)UINT8_MAX);
// CHECK-V3: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 255 (32-bit, unsigned) to type 'signed char' changed the value to -1 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(uint32_t)UINT8_MAX);
// CHECK-V3: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type 'int' of value 255 (32-bit, signed) to type 'signed char' changed the value to -1 (8-bit, signed)
#elif defined(V4)
// Destination 'sign' bit set.
convert_unsigned_int_to_unsigned_int((uint32_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_unsigned_char((uint8_t)(uint8_t)INT8_MIN);
convert_signed_int_to_signed_int((int32_t)(uint32_t)(uint8_t)INT8_MIN);
convert_signed_char_to_signed_char((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_unsigned_char((uint32_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_unsigned_int((uint8_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_int((uint8_t)(uint8_t)INT8_MIN);
convert_signed_char_to_signed_int((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_signed_int((uint32_t)(uint8_t)INT8_MIN);
convert_signed_int_to_unsigned_int((int32_t)(uint32_t)(uint8_t)INT8_MIN);
convert_signed_int_to_unsigned_char((int32_t)(uint32_t)(uint8_t)INT8_MIN);
convert_signed_char_to_unsigned_char((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_char((uint8_t)(uint8_t)INT8_MIN);
convert_signed_char_to_unsigned_int((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_signed_char((uint32_t)(uint8_t)INT8_MIN);
// CHECK-V4: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 128 (32-bit, unsigned) to type 'signed char' changed the value to -128 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(uint32_t)(uint8_t)INT8_MIN);
// CHECK-V4: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type 'int' of value 128 (32-bit, signed) to type 'signed char' changed the value to -128 (8-bit, signed)
#elif defined(V5)
// All bits except the destination 'sign' bit are set.
convert_unsigned_int_to_unsigned_int((~((uint32_t)(uint8_t)INT8_MIN)));
convert_unsigned_char_to_unsigned_char((uint8_t)(uint8_t)INT8_MIN);
convert_signed_int_to_signed_int((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
convert_signed_char_to_signed_char((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_unsigned_char((~((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V5: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 4294967167 (32-bit, unsigned) to type 'unsigned char' changed the value to 127 (8-bit, unsigned)
convert_unsigned_char_to_unsigned_int((uint8_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_int((uint8_t)(uint8_t)INT8_MIN);
convert_signed_char_to_signed_int((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_signed_int((~((uint32_t)(uint8_t)INT8_MIN)));
convert_signed_int_to_unsigned_int((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
convert_signed_int_to_unsigned_char((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V5: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type 'int' of value -129 (32-bit, signed) to type 'unsigned char' changed the value to 127 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_char((uint8_t)(uint8_t)INT8_MIN);
convert_signed_char_to_unsigned_int((int8_t)(uint8_t)INT8_MIN);
convert_unsigned_int_to_signed_char((~((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V5: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 4294967167 (32-bit, unsigned) to type 'signed char' changed the value to 127 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V5: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type 'int' of value -129 (32-bit, signed) to type 'signed char' changed the value to 127 (8-bit, signed)
#elif defined(V6)
// Only the source and destination sign bits are set.
convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MIN);
convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MIN);
convert_signed_int_to_signed_int((int32_t)INT32_MIN);
convert_signed_char_to_signed_char((int8_t)INT8_MIN);
convert_unsigned_int_to_unsigned_char(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN));
// CHECK-V6: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483776 (32-bit, unsigned) to type 'unsigned char' changed the value to 128 (8-bit, unsigned)
convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MIN);
convert_unsigned_char_to_signed_int((uint8_t)INT8_MIN);
convert_signed_char_to_signed_int((int8_t)INT8_MIN);
convert_unsigned_int_to_signed_int((uint32_t)INT32_MIN);
convert_signed_int_to_unsigned_int((uint32_t)INT32_MIN);
convert_signed_int_to_unsigned_char((int32_t)(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V6: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type 'int' of value -2147483520 (32-bit, signed) to type 'unsigned char' changed the value to 128 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)INT8_MIN);
convert_unsigned_char_to_signed_char((uint8_t)INT8_MIN);
convert_signed_char_to_unsigned_int((int8_t)INT8_MIN);
convert_unsigned_int_to_signed_char((((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V6: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483776 (32-bit, unsigned) to type 'signed char' changed the value to -128 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V6: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type 'int' of value -2147483520 (32-bit, signed) to type 'signed char' changed the value to -128 (8-bit, signed)
#elif defined(V7)
// All bits except the source and destination sign bits are set.
convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MAX);
convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MAX);
convert_signed_int_to_signed_int((int32_t)INT32_MAX);
convert_signed_char_to_signed_char((int8_t)INT8_MAX);
convert_unsigned_int_to_unsigned_char(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V7: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483519 (32-bit, unsigned) to type 'unsigned char' changed the value to 127 (8-bit, unsigned)
convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MAX);
convert_unsigned_char_to_signed_int((uint8_t)INT8_MAX);
convert_signed_char_to_signed_int((int8_t)INT8_MAX);
convert_unsigned_int_to_signed_int((uint32_t)INT32_MAX);
convert_signed_int_to_unsigned_int((uint32_t)INT32_MAX);
convert_signed_int_to_unsigned_char((int32_t)(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN))));
// CHECK-V7: {{.*}}integer-truncation.c:1100:10: runtime error: implicit conversion from type 'int' of value 2147483519 (32-bit, signed) to type 'unsigned char' changed the value to 127 (8-bit, unsigned)
convert_signed_char_to_unsigned_char((int8_t)INT8_MAX);
convert_unsigned_char_to_signed_char((uint8_t)INT8_MAX);
convert_signed_char_to_unsigned_int((int8_t)INT8_MAX);
convert_unsigned_int_to_signed_char(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V7: {{.*}}integer-truncation.c:1500:10: runtime error: implicit conversion from type 'unsigned int' of value 2147483519 (32-bit, unsigned) to type 'signed char' changed the value to 127 (8-bit, signed)
convert_signed_int_to_signed_char((int32_t)~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
// CHECK-V7: {{.*}}integer-truncation.c:1600:10: runtime error: implicit conversion from type 'int' of value 2147483519 (32-bit, signed) to type 'signed char' changed the value to 127 (8-bit, signed)
#else
#error Some V* needs to be defined!
#endif
return 0; return 0;
} }