/* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-optimized" } */ /* { dg-additional-options "-mbranch-cost=1" { target { i?86-*-* x86_64-*-* mips*-*-* s390*-*-* avr*-*-* } } } */ _Bool f1(_Bool a, _Bool b) { if (a) { if (b) return 1; else return 0; } return 0; } /* There should be only one if, the outer one; the inner one should have been changed to straight line code with the value of b (except that we don't fold ! (b != 0) into b which can be fixed in a different patch). Test this only when known to be !LOGICAL_OP_NON_SHORT_CIRCUIT, otherwise ifcombine may convert this into return a & b;. */ /* { dg-final { scan-tree-dump-times "if" 1 "optimized" { target { i?86-*-* x86_64-*-* mips*-*-* s390*-*-* avr*-*-* } } } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */