/* { dg-do compile } */ /* { dg-options "-O -fno-trapping-math -fdump-tree-ifcombine" } */ double test1 (double i, double j) { if (i >= j) if (i <= j) goto plif; else goto plouf; else goto plif; plif: return 0; plouf: return -1; } /* The above should be optimized to a i > j test by ifcombine. The transformation would also be legal with -ftrapping-math. Instead we get u<=, which is acceptable with -fno-trapping-math. */ /* { dg-final { scan-tree-dump " u<= " "ifcombine" } } */ /* { dg-final { cleanup-tree-dump "ifcombine" } } */