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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
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.c26
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" } } */