Viewing file:  vect-alias-check-20.c (1.61 KB) -rw-r--r--
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#define N 200
#define DIST 32
typedef signed char sc;
typedef unsigned char uc;
typedef signed short ss;
typedef unsigned short us;
typedef int si;
typedef unsigned int ui;
typedef signed long long sll;
typedef unsigned long long ull;
#define FOR_EACH_TYPE(M) \
M (sc) M (uc) \
M (ss) M (us) \
M (si) M (ui) \
M (sll) M (ull) \
M (float) M (double)
#define TEST_VALUE(I) ((I) * 11 / 2)
#define ADD_TEST(TYPE) \
TYPE a_##TYPE[N * 2]; \
TYPE __attribute__((noinline, noclone)) \
test_##TYPE (int x, int y) \
{ \
TYPE res = 0; \
for (int i = 0; i < N; ++i) \
{ \
a_##TYPE[i + x] = i; \
res += a_##TYPE[i + y]; \
} \
return res; \
}
#define DO_TEST(TYPE) \
for (int i = 0; i < DIST * 2; ++i) \
{ \
for (int j = 0; j < N + DIST * 2; ++j) \
a_##TYPE[j] = TEST_VALUE (j); \
TYPE res = test_##TYPE (DIST, i); \
for (int j = 0; j < N; ++j) \
if (a_##TYPE[j + DIST] != (TYPE) j) \
__builtin_abort (); \
TYPE expected_res = 0; \
for (int j = i; j < i + N; ++j) \
if (i <= DIST && j >= DIST && j < DIST + N) \
expected_res += j - DIST; \
else \
expected_res += TEST_VALUE (j); \
if (expected_res != res) \
__builtin_abort (); \
}
FOR_EACH_TYPE (ADD_TEST)
int
main (void)
{
FOR_EACH_TYPE (DO_TEST)
return 0;
}
/* { dg-final { scan-tree-dump {flags: *RAW\n} "vect" { target vect_int } } } */
/* { dg-final { scan-tree-dump "using an index-based overlap test" "vect" } } */
/* { dg-final { scan-tree-dump-not "using an address-based" "vect" } } */
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