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149 |
jeremybenn |
/* Test operation of -Wparentheses. Precedence warnings. + or -
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inside shift. */
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/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
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/* { dg-do compile } */
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/* { dg-options "-Wparentheses" } */
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int foo (int);
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int
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bar (int a, int b, int c)
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{
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foo (a + b << c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((a + b) << c);
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foo (a + (b << c));
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foo (1 + 2 << c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((1 + 2) << c);
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foo (1 + (2 << c));
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foo (1 + 2 << 3); /* { dg-warning "parentheses" "correct warning" } */
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foo ((1 + 2) << 3);
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foo (1 + (2 << 3));
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foo (a << b + c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((a << b) + c);
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foo (a << (b + c));
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foo (1 << 2 + c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((1 << 2) + c);
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foo (1 << (2 + c));
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foo (1 << 2 + 3); /* { dg-warning "parentheses" "correct warning" } */
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foo ((1 << 2) + 3);
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foo (1 << (2 + 3));
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foo (a + b >> c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((a + b) >> c);
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foo (a + (b >> c));
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foo (1 + 2 >> c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((1 + 2) >> c);
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foo (1 + (2 >> c));
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foo (1 + 2 >> 3); /* { dg-warning "parentheses" "correct warning" } */
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foo ((1 + 2) >> 3);
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foo (1 + (2 >> 3));
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foo (a >> b + c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((a >> b) + c);
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foo (a >> (b + c));
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foo (1 >> 2 + c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((1 >> 2) + c);
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foo (1 >> (2 + c));
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foo (1 >> 2 + 3); /* { dg-warning "parentheses" "correct warning" } */
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foo ((1 >> 2) + 3);
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foo (1 >> (2 + 3));
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foo (a - b << c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((a - b) << c);
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foo (a - (b << c));
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foo (6 - 5 << c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((6 - 5) << c);
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foo (6 - (5 << c));
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foo (6 - 5 << 4); /* { dg-warning "parentheses" "correct warning" } */
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foo ((6 - 5) << 4);
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foo (6 - (5 << 4));
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foo (a << b - c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((a << b) - c);
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foo (a << (b - c));
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foo (6 << 5 - c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((6 << 5) - c);
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foo (6 << (5 - c));
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foo (6 << 5 - 4); /* { dg-warning "parentheses" "correct warning" } */
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foo ((6 << 5) - 4);
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foo (6 << (5 - 4));
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foo (a - b >> c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((a - b) >> c);
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foo (a - (b >> c));
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foo (6 - 5 >> c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((6 - 5) >> c);
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foo (6 - (5 >> c));
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foo (6 - 5 >> 4); /* { dg-warning "parentheses" "correct warning" } */
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foo ((6 - 5) >> 4);
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foo (6 - (5 >> 4));
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foo (a >> b - c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((a >> b) - c);
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foo (a >> (b - c));
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foo (6 >> 5 - c); /* { dg-warning "parentheses" "correct warning" } */
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foo ((6 >> 5) - c);
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foo (6 >> (5 - c));
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foo (6 >> 5 - 4); /* { dg-warning "parentheses" "correct warning" } */
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foo ((6 >> 5) - 4);
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foo (6 >> (5 - 4));
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}
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