File: pr20913.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (37 lines) | stat: -rw-r--r-- 482 bytes parent folder | download | duplicates (10) 
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
 
/* PR tree-optimization/20913
   COPY-PROP did not fold COND_EXPR, blocking some copy propagation
   opportunities.  */

/* { dg-do link } */
/* { dg-options "-O2 -fno-tree-dominator-opts" } */

void link_error (void);

int
foo (int a, int b, int c, int d)
{
  int x, y;

  b = a;
  if (a == b)
    x = c;
  else
    {
      link_error ();
      x = d;
    }

  if (x == c)
    return a;
  else
    {
      link_error ();
      return b;
    }
}

int
main()
{
  foo (1, 2, 3, 4);
}