File: ipa-sra-4.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (67 lines) | stat: -rw-r--r-- 1,134 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
/* { dg-do compile } */
/* { dg-options "-O2 -fipa-sra -fdump-tree-eipa_sra-details" } */

static int
__attribute__((noinline))
ox (int *i)
{
  return *i+4**i;
}

int *holder;

static int
__attribute__((noinline))
ox_ctrl_1 (int *j)
{
  holder = j;
  return *j+4 * *j+1;
}

static void
__attribute__((noinline))
ox_ctrl_2 (int *k)
{
  *k = 8;
}

static int zzz[10];

static int
__attribute__((noinline))
ox_improved (int recurse, int *l)
{
  int r = 0;

  r = *l;

  if (recurse)
    {
      if (recurse > 2)
	l = &zzz[3];
      else
	l = zzz;

      ox_improved (0, l);
    }

  return r;
}

void caller (void)
{
  int a = 1;
  int b = 10;
  int c;

  ox (&a);
  ox_ctrl_1 (&a);
  ox_ctrl_2 (&a);
  *holder = ox_improved (1, &b);
  return;
}

/* { dg-final { scan-tree-dump "About to replace expr \\*i_.*D. with ISRA" "eipa_sra"  } } */
/* { dg-final { scan-tree-dump "About to replace expr \\*l_.*D. with ISRA" "eipa_sra"  } } */
/* { dg-final { scan-tree-dump-times "About to replace expr \*j_.*D. with ISRA" 0 "eipa_sra"  } } */
/* { dg-final { scan-tree-dump-times "About to replace expr \*k_.*D. with ISRA" 0 "eipa_sra"  } } */