1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-2.c b/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-2.c
new file mode 100644
index 00000000000..2b00c5b4997
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-2.c
@@ -0,0 +1,36 @@
+/* { dg-do compile { target x86_64-*-* } } */
+/* { dg-options "-O3 -fdump-rtl-ira -fdump-rtl-pro_and_epilogue"  } */
+
+int __attribute__((noinline, noclone))
+foo (int a)
+{
+  return a + 5;
+}
+
+static int g;
+
+int __attribute__((noinline, noclone))
+bar (int a)
+{
+  int r;
+
+  if (a)
+    {
+      r = a;
+      while (r < 500)
+	if (r % 2)
+	  r = foo (r);
+	else
+	  r = foo (r+1);
+      g = r + a;
+    }
+  else
+    r = g+1;
+  return r;
+}
+
+/* { dg-final { scan-rtl-dump "Will split live ranges of parameters" "ira"  } } */
+/* { dg-final { scan-rtl-dump "Split live-range of register" "ira"  } } */
+/* { dg-final { scan-rtl-dump "Performing shrink-wrapping" "pro_and_epilogue"  } } */
+/* { dg-final { cleanup-rtl-dump "ira" } } */
+/* { dg-final { cleanup-rtl-dump "pro_and_epilogue" } } */