epilog-1.c: New test.

gcc/testsuite 

2012-06-18  Joey Ye <Joey.Ye@arm.com>
            Greta Yorsh  <Greta.Yorsh@arm.com>

        * gcc.target/arm/epilog-1.c: New test.


Co-Authored-By: Greta Yorsh <greta.yorsh@arm.com>

From-SVN: r188746

gcc/testsuite/ChangeLog

+2012-06-18  Joey Ye <Joey.Ye@arm.com>
+            Greta Yorsh  <Greta.Yorsh@arm.com>
+
+        * gcc.target/arm/epilog-1.c: New test.
+
 2012-06-18  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/53693

gcc/testsuite/gcc.target/arm/epilog-1.c

+/* Register liveness information from epilgoue enables peephole optimization. */
+/* { dg-do compile } */
+/* { dg-options "-mthumb -Os" } */
+/* { dg-require-effective-target arm_thumb2_ok } */
+
+volatile int g_k;
+extern void bar(int, int, int, int);
+
+int foo(int a, int b, int c, int d)
+{
+  if (g_k & 4) c++;
+  bar (a, b, c, d);
+  return 0;
+}
+
+/* { dg-final { scan-assembler-times "lsls.*#29" 1 } } */
+/* { dg-final { scan-assembler-not "tst" } } */