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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.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.c')
| -rw-r--r-- | validation/optim/cmp-sext.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/validation/optim/cmp-sext.c b/validation/optim/cmp-sext.c new file mode 100644 index 00000000..2dd60fff --- /dev/null +++ b/validation/optim/cmp-sext.c @@ -0,0 +1,24 @@ +#define T(TYPE) __##TYPE##_TYPE__ +#define cmp(TYPE, X, OP, Y) ((T(TYPE)) X OP (T(TYPE)) Y) +#define TEST(T1, T2, X, OP, Y) cmp(T1, X, OP, Y) == cmp(T2, X, OP, Y) + +#define ARGS(TYPE) T(TYPE) a, T(TYPE)b + +_Bool cmpe_sextp(ARGS(INT32)) { return TEST(UINT64, UINT32, a, ==, 0x7fffffff); } +_Bool cmps_sextp(ARGS(INT32)) { return TEST( INT64, INT32, a, < , 0x7fffffff); } +_Bool cmpu_sextp(ARGS(INT32)) { return TEST(UINT64, UINT32, a, < , 0x7fffffff); } +_Bool cmpe_sextn(ARGS(INT32)) { return TEST(UINT64, UINT32, a, ==, -1); } +_Bool cmps_sextn(ARGS(INT32)) { return TEST( INT64, INT32, a, < , -1); } +_Bool cmpu_sextn(ARGS(INT32)) { return TEST(UINT64, UINT32, a, < , -1); } + +_Bool cmpltu_sext(int a) { return (a < 0x80000000ULL) == (a >= 0); } +_Bool cmpgtu_sext(int a) { return (a >= 0x80000000ULL) == (a < 0); } + +/* + * check-name: cmp-sext + * check-command: test-linearize -Wno-decl $file + * check-known-to-fail + * + * check-output-ignore + * check-output-returns: 1 + */ |