aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/cunroll-4.c
diff options
context:
space:
mode:
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/cunroll-4.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
downloadtoolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip
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/cunroll-4.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/cunroll-4.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/cunroll-4.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/cunroll-4.c
new file mode 100644
index 000000000..86e12bbb4
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/cunroll-4.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -fdump-tree-ivcanon-details" } */
+int a[1];
+test(int c)
+{
+ int i=0,j;
+ for (i=0;i<c;i++)
+ {
+ for (j=0;j<c;j++)
+ {
+ a[i]=5;
+ test2();
+ }
+ }
+}
+
+/* We should do this as part of cunrolli, but our cost model do not take into account early exit
+ from the last iteration. */
+/* { dg-final { scan-tree-dump "loop turned into non-loop; it never loops." "ivcanon"} } */
+/* { dg-final { scan-tree-dump "Last iteration exit edge was proved true." "ivcanon"} } */
+/* { dg-final { cleanup-tree-dump "ivcanon" } } */