Simple test of call return percentages along with branch percentages and

line counts.

From-SVN: r45454

gcc/testsuite/gcc.misc-tests/gcov-6.c

+/* Check that call return percentages are reported correctly by gcov,
+   along with line counts and branch percentages.  This test case is
+   meant to be simple, as it was added at the same time that checking
+   for call return percentages was added.  */
+
+/* { dg-options "-fprofile-arcs -ftest-coverage" } */
+/* { dg-do run { target native } } */
+
+int val;
+
+void
+foo (int i)
+{
+  					/* branch(80) */
+  if (i < 0)				/* count(5) */
+    					/* branch(end) */
+    					/* returns(0) */
+    exit (0);				/* count(1) */
+  					/* returns(end) */
+  val += i;				/* count(4) */
+}
+
+int
+main()
+{
+  int i;
+
+  					/* returns(100) */
+  foo (100);				/* count(1) */
+  					/* returns(end) */
+  for (i = 2; i > -10; i--)
+    					/* returns(75) */
+    foo (i);				/* count(4) */
+  					/* returns(end) */
+}
+
+/* { dg-final { run-gcov -b gcov-6.c } } */