/* PR tree-optimization/9814 */ | |
/* { dg-do run } */ | |
/* { dg-options "-O2" } */ | |
extern void abort(void); | |
int test1(int x) | |
{ | |
if (x & 2) | |
x |= 2; | |
return x; | |
} | |
int test2(int x) | |
{ | |
if (!(x & 2)) | |
x |= 2; | |
return x; | |
} | |
int test3(int x) | |
{ | |
if (x & 2) | |
x ^= 2; | |
return x; | |
} | |
int test4(int x) | |
{ | |
if (!(x & 2)) | |
x ^= 2; | |
return x; | |
} | |
int test5(int x) | |
{ | |
if (x & 2) | |
x &= ~2; | |
return x; | |
} | |
int test6(int x) | |
{ | |
if (!(x & 2)) | |
x &= ~2; | |
return x; | |
} | |
int main() | |
{ | |
if (test1(0) != 0) | |
abort(); | |
if (test1(2) != 2) | |
abort(); | |
if (test1(5) != 5) | |
abort(); | |
if (test1(7) != 7) | |
abort(); | |
if (test2(0) != 2) | |
abort(); | |
if (test2(2) != 2) | |
abort(); | |
if (test2(5) != 7) | |
abort(); | |
if (test2(7) != 7) | |
abort(); | |
if (test3(0) != 0) | |
abort(); | |
if (test3(2) != 0) | |
abort(); | |
if (test3(5) != 5) | |
abort(); | |
if (test3(7) != 5) | |
abort(); | |
if (test4(0) != 2) | |
abort(); | |
if (test4(2) != 2) | |
abort(); | |
if (test4(5) != 7) | |
abort(); | |
if (test4(7) != 7) | |
abort(); | |
if (test5(0) != 0) | |
abort(); | |
if (test5(2) != 0) | |
abort(); | |
if (test5(5) != 5) | |
abort(); | |
if (test5(7) != 5) | |
abort(); | |
if (test6(0) != 0) | |
abort(); | |
if (test6(2) != 2) | |
abort(); | |
if (test6(5) != 5) | |
abort(); | |
if (test6(7) != 7) | |
abort(); | |
return 0; | |
} | |