summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/tree-ssa/forwprop-10.c
blob: 5ca8060c8b333cfd87b241741d1525118dc7f5cd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-fre1-details" } */

int b;
unsigned a;

static inline int *g(void)
{
  a = 1;
  return (int*)&a;
}
void test2(void)
{
  b = *g();
}

/* The indirect load should be replaced by a load from a and a
   conversion to int.  FRE should then be able to replace
   the rhs of the store to b by 1.  */

/* { dg-final { scan-tree-dump "Replaced\[^\\n\]*with 1" "fre1" } } */
/* { dg-final { cleanup-tree-dump "fre1" } } */