blob: 15f278e194546cee821266354111ef2b060f2b7c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-fre1-details -fdump-tree-dse1-details" } */
int foo(unsigned char c, signed char d, int e)
{
int res = 0;
char x[256];
__builtin_memset (x, c, 256);
res += x[54];
__builtin_memset (x, d, 256);
res += x[54];
__builtin_memset (x, e, 256);
res += x[54];
return res;
}
/* The loads get replaced with conversions from c or d and e. */
/* { dg-final { scan-tree-dump-times "Inserted" 2 "fre1" } } */
/* { dg-final { scan-tree-dump-times "Replaced x" 3 "fre1" } } */
/* And the memsets removed as dead. */
/* { dg-final { scan-tree-dump-times "Deleted dead call" 3 "dse1" } } */
|
