diff options
Diffstat (limited to 'validation/optim/canonical-cmpu.c')
| -rw-r--r-- | validation/optim/canonical-cmpu.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/validation/optim/canonical-cmpu.c b/validation/optim/canonical-cmpu.c new file mode 100644 index 00000000..482408aa --- /dev/null +++ b/validation/optim/canonical-cmpu.c @@ -0,0 +1,16 @@ +// canonicalize to == or != +int cmp_ltu_eq0(unsigned int x) { return (x < 1) == (x == 0); } +int cmp_geu_ne0(unsigned int x) { return (x >= 1) == (x != 0); } + +// canonicalize to the smaller value +int cmp_ltu(unsigned int x) { return (x < 256) == (x <= 255); } +int cmp_geu(unsigned int x) { return (x >= 256) == (x > 255); } + +/* + * check-name: canonical-cmpu + * check-command: test-linearize -Wno-decl $file + * check-known-to-fail + * + * check-output-ignore + * check-output-returns: 1 + */ |