/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-ifcombine" } */ #include _Bool and1(unsigned x, unsigned y) { /* x > y && x == 0 --> false */ return x > y && x == 0; } _Bool and2(unsigned x, unsigned y) { /* x < y && x == UINT_MAX --> false */ return x < y && x == UINT_MAX; } _Bool and3(signed x, signed y) { /* x > y && x == INT_MIN --> false */ return x > y && x == INT_MIN; } _Bool and4(signed x, signed y) { /* x < y && x == INT_MAX --> false */ return x < y && x == INT_MAX; } /* { dg-final { scan-tree-dump-not " == " "ifcombine" } } */ /* { dg-final { scan-tree-dump-not " > " "ifcombine" } } */ /* { dg-final { scan-tree-dump-not " < " "ifcombine" } } */