Viewing file:  vect-alias-check-9.c (1.32 KB) -rw-r--r--
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#define N 200
#define M 4
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) * 17 / 2)
#define ADD_TEST(TYPE) \
void __attribute__((noinline, noclone)) \
test_##TYPE (TYPE *a, TYPE *b) \
{ \
for (int i = 0; i < N; i += 2) \
{ \
a[i + 0] = b[i + 0] + 2; \
a[i + 1] = b[i + 1] + 3; \
} \
}
#define DO_TEST(TYPE) \
for (int j = 1; j < M; ++j) \
{ \
TYPE a[N + M]; \
for (int i = 0; i < N + M; ++i) \
a[i] = TEST_VALUE (i); \
test_##TYPE (a + j, a); \
for (int i = 0; i < N; i += 2) \
if (a[i + j] != (TYPE) (a[i] + 2) \
|| a[i + j + 1] != (TYPE) (a[i + 1] + 3)) \
__builtin_abort (); \
}
FOR_EACH_TYPE (ADD_TEST)
int
main (void)
{
FOR_EACH_TYPE (DO_TEST)
return 0;
}
/* { dg-final { scan-tree-dump {flags: [^\n]*ARBITRARY\n} "vect" { target vect_int } } } */
/* { dg-final { scan-tree-dump "using an address-based overlap test" "vect" } } */
/* { dg-final { scan-tree-dump-not "using an index-based" "vect" } } */
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