1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-16.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-16.c
new file mode 100644
index 000000000..b087dc1b4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-16.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */ 
+/* { dg-options "-O2 -fdump-tree-pre-stats -std=c99" } */
+int foo(int k, int *x)
+{
+  int j=0;
+  int res = 0;
+  /* We should pull res = *x all the way out of the do-while */
+  do {
+    for (int n=0;n<3;++n);
+    res = *x;
+  }  while (++j<k);
+  return res;
+}
+/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */
+/* { dg-final { cleanup-tree-dump "pre" } } */