/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-optimized" } */ /* Should produce <=. */ int test1 (int a, int b) { return (a < b || a == b); } /* Should produce <=. */ int test2 (int a, int b) { int lt = a < b; int eq = a == b; return (lt || eq); } /* Should produce <= (just deleting redundant test). */ int test3 (int a, int b) { int lt = a <= b; int eq = a == b; return (lt || eq); } /* Should produce <= (operands reversed to test the swap logic). */ int test4 (int a, int b) { int lt = a < b; int eq = b == a; return (lt || eq); } /* Should produce constant 0. */ int test5 (int a, int b) { int lt = a < b; int eq = a == b; return (lt && eq); } /* { dg-final { scan-tree-dump-times " <= " 4 "optimized" } } */ /* { dg-final { scan-tree-dump-times "return 0" 1 "optimized" } } */ /* { dg-final { scan-tree-dump-not " < " "optimized" } } */ /* { dg-final { scan-tree-dump-not " == " "optimized" } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */