1 static int add(int a, int b) { return (a + b) == (b + a); } 2 static int mul(int a, int b) { return (a * b) == (b * a); } 3 static int and(int a, int b) { return (a & b) == (b & a); } 4 static int ior(int a, int b) { return (a | b) == (b | a); } 5 static int xor(int a, int b) { return (a ^ b) == (b ^ a); } 6 static int eq(int a, int b) { return (a == b) == (b == a); } 7 static int ne(int a, int b) { return (a != b) == (b != a); } 8 9 10 /* 11 * check-name: cse-commutativity 12 * check-command: test-linearize $file 13 * check-output-ignore 14 * 15 * check-output-excludes: add\\. 16 * check-output-excludes: muls\\. 17 * check-output-excludes: and\\. 18 * check-output-excludes: or\\. 19 * check-output-excludes: xor\\. 20 * check-output-excludes: seteq\\. 21 * check-output-excludes: setne\\. 22 */ 23