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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [pr20913.c] - Blame information for rev 816

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/* 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" } */
 
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;
    }
}
 
main()
{
  foo (1, 2, 3, 4);
}

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* PR tree-optimization/20913`
2			`COPY-PROP did not fold COND_EXPR, blocking some copy propagation`
3			`opportunities. */`
4
5			`/* { dg-do link } */`
6			`/* { dg-options "-O2 -fno-tree-dominator-opts" } */`
7
8			`int`
9			`foo (int a, int b, int c, int d)`
10			`{`
11			`int x, y;`
12
13			`b = a;`
14			`if (a == b)`
15			`x = c;`
16			`else`
17			`{`
18			`link_error ();`
19			`x = d;`
20			`}`
21
22			`if (x == c)`
23			`return a;`
24			`else`
25			`{`
26			`link_error ();`
27			`return b;`
28			`}`
29			`}`
30
31			`main()`
32			`{`
33			`foo (1, 2, 3, 4);`
34			`}`

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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [pr20913.c] - Blame information for rev 816