/* PR c/63357 */ /* { dg-do compile } */ /* { dg-options "-Wlogical-op" } */ #ifndef __cplusplus # define bool _Bool # define true 1 # define false 0 #endif #if __SIZEOF_INT__ < 4 __extension__ typedef __INT32_TYPE__ int32_t; __extension__ typedef __UINT32_TYPE__ uint32_t; __extension__ typedef __INT16_TYPE__ int16_t; #else typedef int int32_t; typedef unsigned int uint32_t; typedef short int16_t; #endif extern int32_t bar (void); extern int32_t *p; struct R { int32_t a, b; } S; void andfn (int32_t a, int32_t b) { if (a && a) {} /* { dg-warning "logical .and. of equal expressions" } */ if (!a && !a) {} /* { dg-warning "logical .and. of equal expressions" } */ if (!!a && !!a) {} /* { dg-warning "logical .and. of equal expressions" } */ if (a > 0 && a > 0) {} /* { dg-warning "logical .and. of equal expressions" } */ if (a < 0 && a < 0) {} /* { dg-warning "logical .and. of equal expressions" } */ if (a == 0 && a == 0) {} /* { dg-warning "logical .and. of equal expressions" } */ if (a <= 0 && a <= 0) {} /* { dg-warning "logical .and. of equal expressions" } */ if (a >= 0 && a >= 0) {} /* { dg-warning "logical .and. of equal expressions" } */ if (a == 0 && !(a != 0)) {} /* { dg-warning "logical .and. of equal expressions" } */ if (a && a && a) {} /* { dg-warning "logical .and. of equal expressions" } */ if ((a + 1) && (a + 1)) {} /* { dg-warning "logical .and. of equal expressions" } */ if ((10 * a) && (a * 10)) {} /* { dg-warning "logical .and. of equal expressions" } */ if (!!a && a) {} /* { dg-warning "logical .and. of equal expressions" } */ if (*p && *p) {} /* { dg-warning "logical .and. of equal expressions" } */ if (p[0] && p[0]) {} /* { dg-warning "logical .and. of equal expressions" } */ if (S.a && S.a) {} /* { dg-warning "logical .and. of equal expressions" } */ if ((bool) a && (bool) a) {} /* { dg-warning "logical .and. of equal expressions" } */ if ((uint32_t) a && a) {} /* { dg-warning "logical .and. of equal expressions" } */ /* Stay quiet here. */ if (a && b) {} if (!a && !b) {} if (!!a && !!b) {} if (a > 0 && b > 0) {} if (a < 0 && b < 0) {} if (a == 0 && b == 0) {} if (a <= 0 && b <= 0) {} if (a >= 0 && b >= 0) {} if (a > 0 && a > 1) {} if (a > -2 && a > 1) {} if (a && (int16_t) a) {} if ((char) a && a) {} if (++a && a) {} if (++a && ++a) {} if (a && --a) {} if (a && a / 2) {} if (bar () && bar ()) {} if (p && *p) {} if (p[0] && p[1]) {} if (S.a && S.b) {} } void orfn (int32_t a, int32_t b) { if (a || a) {} /* { dg-warning "logical .or. of equal expressions" } */ if (!a || !a) {} /* { dg-warning "logical .or. of equal expressions" } */ if (!!a || !!a) {} /* { dg-warning "logical .or. of equal expressions" } */ if (a > 0 || a > 0) {} /* { dg-warning "logical .or. of equal expressions" } */ if (a < 0 || a < 0) {} /* { dg-warning "logical .or. of equal expressions" } */ if (a == 0 || a == 0) {} /* { dg-warning "logical .or. of equal expressions" } */ if (a <= 0 || a <= 0) {} /* { dg-warning "logical .or. of equal expressions" } */ if (a >= 0 || a >= 0) {} /* { dg-warning "logical .or. of equal expressions" } */ if (a == 0 || !(a != 0)) {} /* { dg-warning "logical .or. of equal expressions" } */ if (a || a || a) {} /* { dg-warning "logical .or. of equal expressions" } */ if ((a + 1) || (a + 1)) {} /* { dg-warning "logical .or. of equal expressions" } */ if ((10 * a) || (a * 10)) {} /* { dg-warning "logical .or. of equal expressions" } */ if (!!a || a) {} /* { dg-warning "logical .or. of equal expressions" } */ if (*p || *p) {} /* { dg-warning "logical .or. of equal expressions" } */ if (p[0] || p[0]) {} /* { dg-warning "logical .or. of equal expressions" } */ if (S.a || S.a) {} /* { dg-warning "logical .or. of equal expressions" } */ if ((bool) a || (bool) a) {} /* { dg-warning "logical .or. of equal expressions" } */ if ((uint32_t) a || a) {} /* { dg-warning "logical .or. of equal expressions" } */ /* Stay quiet here. */ if (a || b) {} if (!a || !b) {} if (!!a || !!b) {} if (a > 0 || b > 0) {} if (a < 0 || b < 0) {} if (a == 0 || b == 0) {} if (a <= 0 || b <= 0) {} if (a >= 0 || b >= 0) {} if (a > 0 || a > 1) {} if (a > -2 || a > 1) {} if (a || (int16_t) a) {} if ((char) a || a) {} if (++a || a) {} if (++a || ++a) {} if (a || --a) {} if (a || a / 2) {} if (bar () || bar ()) {} if (p || *p) {} if (p[0] || p[1]) {} if (S.a || S.b) {} }