1 files changed, 19 insertions, 0 deletions
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" } } */