diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c new file mode 100644 index 000000000..775926da9 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-optimized -fdump-tree-phiopt1" } */ + +int g(int,int); +int f(int t, int c) +{ + int d = 0; + int e = 0; + if (t) + { + d = 1; + e = t; + } + else d = 0, e = 0; + return g(e,d); +} + +/* This testcase should be reduced to e = t; d = t != 0; in phiopt1 + but currently is not as PHI-OPT does not reduce the t PHI as we have + two phis. Note this is fixed with + http://gcc.gnu.org/ml/gcc-patches/2012-01/msg01195.html . */ +/* { dg-final { scan-tree-dump-not "if" "phiopt1" } } */ +/* { dg-final { scan-tree-dump "g .t_\[0-9\]*.D.," "optimized" } } */ +/* { dg-final { scan-tree-dump-not "PHI" "optimized" } } */ +/* { dg-final { cleanup-tree-dump "phiopt1" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |