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gerrit-public.fairphone.software / platform / external / compiler-rt / 799172d60d32feb1acba1a6867f3a9c39a999e5c / . / test / ubsan / TestCases / Integer / shift.cpp
blob: 50db16dac18ecc06689eebe56f11cc8a28d703ac [file] [log] [blame]
Pirama Arumuga Nainar799172d2016-03-03 15:50:30 -0800[diff] [blame^]1// RUN: %clangxx -DLSH_OVERFLOW -DOP='<<' -fsanitize=shift-base -fno-sanitize-recover=shift %s -o %t1 && not %run %t1 2>&1 | FileCheck %s --check-prefix=CHECK-LSH_OVERFLOW
2// RUN: %clangxx -DLSH_OVERFLOW -DOP='<<=' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t2 && not %run %t2 2>&1 | FileCheck %s --check-prefix=CHECK-LSH_OVERFLOW
3// RUN: %clangxx -DTOO_LOW -DOP='<<' -fsanitize=shift-exponent -fno-sanitize-recover=shift %s -o %t3 && not %run %t3 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW
4// RUN: %clangxx -DTOO_LOW -DOP='>>' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t4 && not %run %t4 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW
5// RUN: %clangxx -DTOO_LOW -DOP='<<=' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t5 && not %run %t5 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW
6// RUN: %clangxx -DTOO_LOW -DOP='>>=' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t6 && not %run %t6 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW
7// RUN: %clangxx -DTOO_HIGH -DOP='<<' -fsanitize=shift-exponent -fno-sanitize-recover=shift %s -o %t7 && not %run %t7 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH
8// RUN: %clangxx -DTOO_HIGH -DOP='>>' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t8 && not %run %t8 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH
9// RUN: %clangxx -DTOO_HIGH -DOP='<<=' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t9 && not %run %t9 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH
10// RUN: %clangxx -DTOO_HIGH -DOP='>>=' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t10 && not %run %t10 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH
Pirama Arumuga Nainar7c915052015-04-08 08:58:29 -0700[diff] [blame]11
Pirama Arumuga Nainar799172d2016-03-03 15:50:30 -0800[diff] [blame^]12// RUN: %clangxx -DLSH_OVERFLOW -DOP='<<' -fsanitize=shift-exponent -fno-sanitize-recover=shift %s -o %t12 && %run %t12
13// RUN: %clangxx -DLSH_OVERFLOW -DOP='>>' -fsanitize=shift-exponent -fno-sanitize-recover=shift %s -o %t13 && %run %t13
14// RUN: %clangxx -DTOO_LOW -DOP='<<' -fsanitize=shift-base -fno-sanitize-recover=shift %s -o %t14 && %run %t14
15// RUN: %clangxx -DTOO_LOW -DOP='>>' -fsanitize=shift-base -fno-sanitize-recover=shift %s -o %t15 && %run %t15
16// RUN: %clangxx -DTOO_HIGH -DOP='<<' -fsanitize=shift-base -fno-sanitize-recover=shift %s -o %t16 && %run %t16
17// RUN: %clangxx -DTOO_HIGH -DOP='>>' -fsanitize=shift-base -fno-sanitize-recover=shift %s -o %t17 && %run %t17
Stephen Hines2d1fdb22014-05-28 23:58:16 -0700[diff] [blame]18
19#include <stdint.h>
20
21int main() {
22 int a = 1;
23 unsigned b = 1;
24
25 a <<= 31; // ok in C++11, not ok in C99/C11
26 b <<= 31; // ok
27 b <<= 1; // still ok, unsigned
28
29#ifdef LSH_OVERFLOW
Pirama Arumuga Nainar7c915052015-04-08 08:58:29 -0700[diff] [blame]30 // CHECK-LSH_OVERFLOW: shift.cpp:[[@LINE+1]]:5: runtime error: left shift of negative value -2147483648
Stephen Hines2d1fdb22014-05-28 23:58:16 -0700[diff] [blame]31 a OP 1;
32#endif
33
34#ifdef TOO_LOW
Pirama Arumuga Nainar7c915052015-04-08 08:58:29 -0700[diff] [blame]35 a = 0;
36 // CHECK-TOO_LOW: shift.cpp:[[@LINE+1]]:5: runtime error: shift exponent -3 is negative
Stephen Hines2d1fdb22014-05-28 23:58:16 -0700[diff] [blame]37 a OP (-3);
38#endif
39
40#ifdef TOO_HIGH
41 a = 0;
Pirama Arumuga Nainar7c915052015-04-08 08:58:29 -0700[diff] [blame]42 // CHECK-TOO_HIGH: shift.cpp:[[@LINE+1]]:5: runtime error: shift exponent 32 is too large for 32-bit type 'int'
Stephen Hines2d1fdb22014-05-28 23:58:16 -0700[diff] [blame]43 a OP 32;
44#endif
45}