/* PR 7543. Test operation of -Wparentheses. Precedence warnings. !a | b and !a & b. */ /* { dg-do compile } */ /* { dg-options "-Wparentheses" } */ int foo (int); int bar (int a, int b, int c) { foo (!a & b); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (b < c)); foo (!a & (b > c)); foo (!a & (b == c)); foo (!a & (b != c)); foo (!a & (b <= c)); foo (!a & (b >= c)); foo (!a & (b && c)); foo (!a & (b || c)); foo (!a & !b); foo (!(a & b)); foo ((!a) & b); foo (!a & 2); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (2 < c)); foo (!a & (2 > c)); foo (!a & (2 == c)); foo (!a & (2 != c)); foo (!a & (2 <= c)); foo (!a & (2 >= c)); foo (!a & (2 && c)); foo (!a & (2 || c)); foo (!a & !2); foo (!(a & 2)); foo ((!a) & 2); foo (!1 & 2); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 & (2 < c)); foo (!1 & (2 > c)); foo (!1 & (2 == c)); foo (!1 & (2 != c)); foo (!1 & (2 <= c)); foo (!1 & (2 >= c)); foo (!1 & (2 && c)); foo (!1 & (2 || c)); foo (!1 & !2); foo (!(1 & 2)); foo (!a | b); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (b < c)); foo (!a | (b > c)); foo (!a | (b == c)); foo (!a | (b != c)); foo (!a | (b <= c)); foo (!a | (b >= c)); foo (!a | (b && c)); foo (!a | (b || c)); foo (!a | !b); foo (!(a | b)); foo ((!a) | b); foo (!a | 2); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (2 < c)); foo (!a | (2 > c)); foo (!a | (2 == c)); foo (!a | (2 != c)); foo (!a | (2 <= c)); foo (!a | (2 >= c)); foo (!a | (2 && c)); foo (!a | (2 || c)); foo (!a | !2); foo (!(a | 2)); foo ((!a) | 2); foo (!1 | 2); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 | (2 < c)); foo (!1 | (2 > c)); foo (!1 | (2 == c)); foo (!1 | (2 != c)); foo (!1 | (2 <= c)); foo (!1 | (2 >= c)); foo (!1 | (2 && c)); foo (!1 | (2 || c)); foo (!1 | !2); foo (!(1 | 2)); foo ((!1) | 2); foo (b & !a); /* { dg-bogus "parentheses" "bogus warning" } */ foo ((b < c) & !a); foo ((b > c) & !a); foo ((b == c) & !a); foo ((b != c) & !a); foo ((b <= c) & !a); foo ((b >= c) & !a); foo ((b && c) & !a); foo ((b || c) & !a); foo (!b & !a); foo (!(b & a)); foo (b & (!a)); foo (2 & !a); /* { dg-bogus "parentheses" "correct warning" } */ foo ((2 < c) & !a); foo ((2 > c) & !a); foo ((2 == c) & !a); foo ((2 != c) & !a); foo ((2 <= c) & !a); foo ((2 >= c) & !a); foo ((2 && c) & !a); foo ((2 || c) & !a); foo (!2 & !a); foo (!(2 & a)); foo (2 & (!a)); foo (2 & !1); /* { dg-bogus "parentheses" "correct warning" } */ foo ((2 < c) & !1); foo ((2 > c) & !1); foo ((2 == c) & !1); foo ((2 != c) & !1); foo ((2 <= c) & !1); foo ((2 >= c) & !1); foo ((2 && c) & !1); foo ((2 || c) & !1); foo (!2 & !1); foo (!(2 & 1)); foo (b | !a); /* { dg-bogus "parentheses" "correct warning" } */ foo ((b < c) | !a); foo ((b > c) | !a); foo ((b == c) | !a); foo ((b != c) | !a); foo ((b <= c) | !a); foo ((b >= c) | !a); foo ((b && c) | !a); foo ((b || c) | !a); foo (!b | !a); foo (!(b | a)); foo (b | (!a)); foo (2 | !a); /* { dg-bogus "parentheses" "correct warning" } */ foo ((2 < c) | !a); foo ((2 > c) | !a); foo ((2 == c) | !a); foo ((2 != c) | !a); foo ((2 <= c) | !a); foo ((2 >= c) | !a); foo ((2 && c) | !a); foo ((2 || c) | !a); foo (!2 | !a); foo (!(2 | a)); foo (2 | (!a)); foo (2 | !1); /* { dg-bogus "parentheses" "correct warning" } */ foo ((2 < c) | !1); foo ((2 > c) | !1); foo ((2 == c) | !1); foo ((2 != c) | !1); foo ((2 <= c) | !1); foo ((2 >= c) | !1); foo ((2 && c) | !1); foo ((2 || c) | !1); foo (!2 | !1); foo (!(2 | 1)); foo (2 | (!1)); } int baz (int a, int b, int c) { foo (!a & (b << c));/* { dg-warning "parentheses" "correct warning" } */ foo (!a & (b >> c));/* { dg-warning "parentheses" "correct warning" } */ foo (!a & (b + c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (b - c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (b = c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & ~b); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (b & c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (b | c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & 2); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (2 << c));/* { dg-warning "parentheses" "correct warning" } */ foo (!a & (2 >> c));/* { dg-warning "parentheses" "correct warning" } */ foo (!a & (2 + c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (2 - c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (c = 2)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & ~2); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (2 & c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a & (2 | c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 & (2 << c));/* { dg-warning "parentheses" "correct warning" } */ foo (!1 & (2 >> c));/* { dg-warning "parentheses" "correct warning" } */ foo (!1 & (2 + c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 & (2 - c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 & (c = 2)); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 & ~2); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 & (2 & c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 & (2 | c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (b << c));/* { dg-warning "parentheses" "correct warning" } */ foo (!a | (b >> c));/* { dg-warning "parentheses" "correct warning" } */ foo (!a | (b + c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (b - c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (b = c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | ~b); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (b & c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (b | c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (2 << c));/* { dg-warning "parentheses" "correct warning" } */ foo (!a | (2 >> c));/* { dg-warning "parentheses" "correct warning" } */ foo (!a | (2 + c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (2 - c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (c = 2)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | ~2); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (2 & c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!a | (2 | c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 | (2 << c));/* { dg-warning "parentheses" "correct warning" } */ foo (!1 | (2 >> c));/* { dg-warning "parentheses" "correct warning" } */ foo (!1 | (2 + c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 | (2 - c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 | (c = 2)); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 | ~2); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 | (2 & c)); /* { dg-warning "parentheses" "correct warning" } */ foo (!1 | (2 | c)); /* { dg-warning "parentheses" "correct warning" } */ foo ((b << c) & !a); foo ((b >> c) & !a); foo ((b + c) & !a); foo ((b - c) & !a); foo ((b = c) & !a); foo (~b & !a); foo ((b & c) & !a); foo ((b | c) & !a); foo ((2 << c) & !a); foo ((2 >> c) & !a); foo ((2 + c) & !a); foo ((2 - c) & !a); foo ((c = 2) & !a); foo (~2 & !a); foo ((2 & c) & !a); foo ((2 | c) & !a); foo ((2 << c) & !1); foo ((2 >> c) & !1); foo ((2 + c) & !1); foo ((2 - c) & !1); foo ((c = 2) & !1); foo (~2 & !1); foo ((2 & c) & !1); foo ((2 | c) & !1); foo ((b << c) | !a); foo ((b >> c) | !a); foo ((b + c) | !a); foo ((b - c) | !a); foo ((b = c) | !a); foo (~b | !a); foo ((b & c) | !a); foo ((b | c) | !a); foo ((2 << c) | !a); foo ((2 >> c) | !a); foo ((2 + c) | !a); foo ((2 - c) | !a); foo ((c = 2) | !a); foo (~2 | !a); foo ((2 & c) | !a); foo ((2 | c) | !a); foo ((2 << c) | !1); foo ((2 >> c) | !1); foo ((2 + c) | !1); foo ((2 - c) | !1); foo ((c = 2) | !1); foo (~2 | !1); foo ((2 & c) | !1); foo ((2 | c) | !1); }