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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/vrp84.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/vrp84.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp84.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp84.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp84.c
new file mode 100644
index 000000000..8f8dc0d2e
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp84.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-vrp1" } */
+
+extern void vrp_keep (void);
+
+void
+f2 (int s, int b)
+{
+ if (s > 1)
+ s = 1;
+ /* s in [minint, 1]. */
+ b = (b & 1) + 1;
+ /* b in range [1, 2]. */
+ b = s << b;
+ /* b in range [minint+4, maxint-3]. */
+ if (b == -2)
+ vrp_keep ();
+}
+
+/* { dg-final { scan-tree-dump-times "vrp_keep \\(" 1 "vrp1"} } */
+/* { dg-final { cleanup-tree-dump "vrp1" } } */