1 /* A test for various conversions of chrecs. */
3 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
4 /* { dg-options "-O2 -fdump-tree-optimized" } */
6 void blas (signed char xxx
);
7 void blau (unsigned char xxx
);
13 for (i
= 0; i
< 129; i
++) /* This truncation to char has to be preserved. */
14 blas ((signed char) i
);
15 for (i
= 0; i
< 128; i
++) /* This one is not necessary, VRP eliminates it. */
16 blas ((signed char) i
);
17 for (i
= 0; i
< 127; i
++) /* This one is not necessary, IVOPTS eliminates it. */
18 blas ((signed char) i
);
19 for (i
= 0; i
< 256; i
++) /* This one is not necessary, VRP eliminates it. */
20 blau ((unsigned char) i
);
21 for (i
= 0; i
< 257; i
++) /* This one is necessary. */
22 blau ((unsigned char) i
);
25 /* { dg-final { scan-tree-dump-times "& 255" 1 "optimized" } } */
26 /* { dg-final { scan-tree-dump-times "= \\(signed char\\)" 1 "optimized" } } */