From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001
From: Ben Cheng <bccheng@google.com>
Date: Tue, 25 Mar 2014 22:37:19 -0700
Subject: Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
---
 gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c

(limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c')

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c
new file mode 100644
index 000000000..b04c7621b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-pre-stats" } */
+typedef int type[2];
+int foo(type *a, int argc, int t)
+{
+  type c = {0, 1};
+  int d, e;
+
+  /* Should be able to eliminate the second load of *a along the main path. */
+  d = (*a)[t];
+  if (argc)
+    {
+      a = &c;
+    }
+  e = (*a)[t];
+  return d + e;
+}
+/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */
+/* { dg-final { cleanup-tree-dump "pre" } } */
-- 
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