1/* { dg-do compile } */
2/* { dg-options "-O1 -ffinite-math-only -fdump-tree-phiopt1" } */
3
4float repl1 (float varx)
5{
6  if (varx < 0.0)
7    return 0.0;
8  else if (varx > 1.0)
9    return 1.0;
10  else
11    return varx;
12}
13
14/* Should be turned to
15
16   varx_4 = MIN_EXPR <1.0e+0, varx_2>;
17   varx_5 = MAX_EXPR <varx_4, 0.0>;  */
18
19/* { dg-final { scan-tree-dump "varx.*MIN_EXPR.*1\\.0" "phiopt1"} } */
20/* { dg-final { scan-tree-dump "varx.*MAX_EXPR.*0\\.0" "phiopt1"} } */
21
22float repl2 (float vary)
23{
24  if (vary > 1.0)
25    return 1.0;
26  else if (vary < 0.0)
27    return 0.0;
28  else
29    return vary;
30}
31
32/* Should be turned to
33
34   vary_4 = MAX_EXPR <0.0, vary_2>;
35   vary_5 = MIN_EXPR <vary_4, 1.0e+0>;  */
36
37/* { dg-final { scan-tree-dump "vary.*MAX_EXPR.*0\\.0" "phiopt1"} } */
38/* { dg-final { scan-tree-dump "vary.*MIN_EXPR.*1\\.0" "phiopt1"} } */
39
40float repl3 (float varz, float vara, float varb)
41{
42  if (varz > vara)
43    return vara;
44  else if (varz < varb)
45    return varb;
46  else
47    return varz;
48}
49
50/* Should be turned to
51
52  if (varz_2 > vara_3) goto <L4>; else goto <L1>;
53
54<L1>:;
55  vara_6 = MAX_EXPR <varb_5, varz_2>;  */
56
57/* { dg-final { scan-tree-dump "if .*varz" "phiopt1"} } */
58/* { dg-final { scan-tree-dump "vara.*MAX_EXPR" "phiopt1"} } */
59/* { dg-final { cleanup-tree-dump "phiopt1" } } */
60