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/* PR middle-end/18548 */
/* Test case reduced by Andrew Pinski <pinskia@physics.uc.edu> */
/* { dg-do run } */
/* { dg-options "-O1 " } */
/* Option -fno-tree-lrs removed By Andrew MacLeod since it is no longer
supported in the compiler beginning with GCC 4.3. */
/* m32c has varying sized pointers */
/* { dg-skip-if "" { "m32c-*-*" } { "*" } { "-mcpu=m32c" "-mcpu=m32cm" } } */
__extension__ typedef __INTPTR_TYPE__ intptr_t;
extern void abort (void);
intptr_t fff[10];
void f(intptr_t a, intptr_t b)
{
intptr_t crcc = b;
intptr_t d = *((intptr_t*)(a+1));
int i;
a = d >= b? d:b;
for(i=0;i<10;i++)
fff[i] = a;
}
/* The variable a cannot be a local variable as we get better aliasing
now and decide that the store to a is dead. The better aliasing comes
from better representation of pointer arithmetic. */
intptr_t a = 10;
int main(void)
{
int i;
f((intptr_t)(&a)-1,0);
for(i = 0;i<10;i++)
if (fff[i]!=10)
abort ();
return 0;
}
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