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| author | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2018-06-29 18:51:03 +0200 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2020-10-23 17:44:52 +0200 |
| commit | a80921db90cd8de52b2fa37bf61e6156dd3a6bcd (patch) | |
| tree | 337f1290bbe99d22f126355768df75916e561a39 /validation | |
| parent | cfca7b4c6cb48283cb554fc91dc859ff669f2547 (diff) | |
| download | sparse-dev-a80921db90cd8de52b2fa37bf61e6156dd3a6bcd.tar.gz | |
simplify unsigned compares against 0
Some unsigned compares against 0 are always true or always false
(x < 0 or x >= 0). Simplify them.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Diffstat (limited to 'validation')
| -rw-r--r-- | validation/optim/set-uimm0.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/validation/optim/set-uimm0.c b/validation/optim/set-uimm0.c new file mode 100644 index 00000000..1f62358f --- /dev/null +++ b/validation/optim/set-uimm0.c @@ -0,0 +1,10 @@ +static _Bool setlt0(unsigned int a) { return (a < 0u) == 0; } +static _Bool setge0(unsigned int a) { return (a >= 0u) == 1; } + +/* + * check-name: set-uimm0 + * check-command: test-linearize $file + * + * check-output-ignore + * check-output-pattern(2): ret\\.1 *\\$1 + */ |