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/* PR tree-optimization/53265 */
/* { dg-do compile } */
/* { dg-options "-O2 -Wall" } */
/* { dg-require-effective-target size32plus } */
void bar (void *);
int baz (int);
void
fn1 (void)
{
unsigned int a[128];
int i;
for (i = 0; i < 128; ++i) /* { dg-message "note: within this loop" } */
a[i] = i * 0x02000001; /* { dg-warning "64 invokes undefined behavior" } */
bar (a);
}
void
fn2 (void)
{
unsigned long long a[128];
int i;
for (i = 0; i < 128; i++) /* { dg-message "note: within this loop" } */
a[i] = (i + 1LL) * 0x0123456789ABCDEFLL; /* { dg-warning "112 invokes undefined behavior" } */
bar (a);
}
void
fn3 (void)
{
unsigned char a[16], b[16], c[16];
int i;
bar (b);
for (i = 0; i < (int) (sizeof (a) / sizeof (a[0])); i++) /* { dg-message "note: within this loop" } */
{
c[i + 8] = b[i]; /* { dg-warning "8 invokes undefined behavior" } */
a[i + 8] = b[i + 8];
}
bar (a);
bar (c);
}
void
fn4 (void)
{
unsigned int *a[32], *o, i;
bar (a);
for (i = 0; i <= sizeof (a) / sizeof (a[0]); i++) /* { dg-message "note: within this loop" "" } */
{
o = a[i]; /* { dg-warning "32 invokes undefined behavior" "" } */
bar (o);
}
}
void
fn5 (void)
{
unsigned short a[23940];
unsigned int b[1140];
int j;
bar (b);
for (j = 0; j < 1140; j++) /* { dg-message "note: within this loop" } */
a[23940 + j - 950] = b[j]; /* { dg-warning "950 invokes undefined behavior" } */
bar (a);
}
void
fn6 (void)
{
double a[4][3], b[12];
int i;
bar (b);
for (i = 0; i < 12; i++) /* { dg-message "note: within this loop" } */
a[0][i] = b[i] / 10000.0; /* { dg-warning "3 invokes undefined behavior" } */
bar (a);
}
void
fn7 (void)
{
int a[16], b, c;
bar (a);
for (b = a[c = 0]; c < 16; b = a[++c]) /* { dg-warning "15 invokes undefined behavior" "" } */
baz (b);
}
/* { dg-message "note: within this loop" "" { target *-*-* } 89 } */
const void *va, *vb, *vc, *vd, *ve;
const void *vf[4];
void
fn8 (void)
{
unsigned long i;
vf[0] = va; vf[1] = vb; vf[2] = vc; vf[3] = vd;
for (i = 0; i < (sizeof (vf) / sizeof (vf[0])); i++)
if (!vf[i])
vf[i] = ve;
}
int wa, wb[53][5], wc[53][5];
void
fn9 (void)
{
int i, j, k;
for (i = 0; i < 53; i++)
for (j = 16 / (((wa & 1) != 0) ? 8 : 4); j > 0; j--)
{
int d = 1;
if (wb[i][j] == 0 || wc[i][1] != 0)
continue;
for (k = 0; k < j; k++)
if (wc[i + k][1])
{
d = 0;
break;
}
if (!d)
continue;
wc[i][j] = baz (0);
}
}
int xa[18];
void
fn10 (void)
{
int i;
for (i = 16; i < 32; i++) /* { dg-message "note: within this loop" } */
xa[i] = 26; /* { dg-warning "2 invokes undefined behavior" } */
}
__attribute__((noinline)) static void
fn11 (int x)
{
int i = 1;
if (x > 1)
do
baz (i);
while (++i != x); /* { dg-bogus "invokes undefined behavior" } */
}
void
fn12 (void)
{
fn11 (1);
fn11 (1);
fn11 (1);
}
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