aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c
blob: 98bbdca6e2cb5d3e397b78560283ba20a9dd92d8 (plain)
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
/* { dg-options "-O1 -funsafe-math-optimizations -fno-trapping-math -fdump-tree-recip" } */
/* { dg-do compile } */

/* Test inserting in a block that does not contain a division.  */

extern double h();

double m, n, o;

void f(int x, double z, double w)
{
  double b, c, d, e, f;
  double y = h ();

  if (x)
    b = 1 / y, c = z / y;
  else
    b = 3 / y, c = w / y;

  d = b / y;
  e = c / y;
  f = 1 / y;

  m = d;
  n = e;
  o = f;
}

/* { dg-final { scan-tree-dump-times " / " 1 "recip" } } */
/* { dg-final { cleanup-tree-dump "recip" } } */