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| author | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2020-10-25 16:03:38 +0100 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2020-11-05 01:59:06 +0100 |
| commit | 17c0dc05248364ea9b64aa4d997c49a516208d6d (patch) | |
| tree | 069feb65896d5cf9e485f3f08376677c1518ff89 /validation/optim/cmp-sext-uimm.c | |
| parent | ee854cb92c46b4194f2014332dc856efa2cf250f (diff) | |
| download | sparse-dev-17c0dc05248364ea9b64aa4d997c49a516208d6d.tar.gz | |
cmp: add testcases for the simplification of compares
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Diffstat (limited to 'validation/optim/cmp-sext-uimm.c')
| -rw-r--r-- | validation/optim/cmp-sext-uimm.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/validation/optim/cmp-sext-uimm.c b/validation/optim/cmp-sext-uimm.c new file mode 100644 index 00000000..cc89a806 --- /dev/null +++ b/validation/optim/cmp-sext-uimm.c @@ -0,0 +1,26 @@ +#define sext(X) ((unsigned long long) (X)) +#define POS (1ULL << 31) +#define NEG ((unsigned long long) -POS) + +int sext_ltu_p2(int x) { return (sext(x) < (POS + 2)) == (x >= 0); } +int sext_ltu_p1(int x) { return (sext(x) < (POS + 1)) == (x >= 0); } +int sext_ltu_p0(int x) { return (sext(x) < (POS + 0)) == (x >= 0); } + +int sext_leu_p1(int x) { return (sext(x) <= (POS + 1)) == (x >= 0); } +int sext_leu_p0(int x) { return (sext(x) <= (POS + 0)) == (x >= 0); } + +int sext_geu_m1(int x) { return (sext(x) >= (NEG - 1)) == (x < 0); } +int sext_geu_m2(int x) { return (sext(x) >= (NEG - 2)) == (x < 0); } + +int sext_gtu_m1(int x) { return (sext(x) > (NEG - 1)) == (x < 0); } +int sext_gtu_m2(int x) { return (sext(x) > (NEG - 2)) == (x < 0); } +int sext_gtu_m3(int x) { return (sext(x) > (NEG - 3)) == (x < 0); } + +/* + * check-name: cmp-sext-uimm + * check-command: test-linearize -Wno-decl $file + * check-known-to-fail + * + * check-output-ignore + * check-output-returns: 1 + */ |