Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/tree-ssa/phi-opt-1.c @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
111
kono
parents:
diff changeset
1 /* { dg-do compile } */
kono
parents:
diff changeset
2 /* { dg-options "-O1 -fdump-tree-optimized" } */
kono
parents:
diff changeset
3
kono
parents:
diff changeset
4 int f(int a, int b, int c)
kono
parents:
diff changeset
5 {
kono
parents:
diff changeset
6 if (c == 0) goto temp;
kono
parents:
diff changeset
7 if (a == 0)
kono
parents:
diff changeset
8 return 0;
kono
parents:
diff changeset
9 temp:
kono
parents:
diff changeset
10 if (a == b)
kono
parents:
diff changeset
11 return a;
kono
parents:
diff changeset
12 return a;
kono
parents:
diff changeset
13 }
kono
parents:
diff changeset
14
kono
parents:
diff changeset
15 /* There should be no ifs as the PHI arguments, we did not
kono
parents:
diff changeset
16 optimize this before because PHI-OPT did not look at
kono
parents:
diff changeset
17 PHIs which have more than two arguments. */
kono
parents:
diff changeset
18 /* { dg-final { scan-tree-dump-times "if" 0 "optimized"} } */