[PATCH 4/4] Add tests for __gcov_dump and __gcov_reset

[marxin]

gcc/testsuite/ChangeLog:

2016-07-28  Martin Liska  <mli...@suse.cz>

        * g++.dg/gcov/gcov-dump-1.C: New test.
        * g++.dg/gcov/gcov-dump-2.C: New test.
---
 gcc/testsuite/g++.dg/gcov/gcov-dump-1.C | 23 +++++++++++++++++++++++
 gcc/testsuite/g++.dg/gcov/gcov-dump-2.C | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/gcov/gcov-dump-1.C
 create mode 100644 gcc/testsuite/g++.dg/gcov/gcov-dump-2.C

diff --git a/gcc/testsuite/g++.dg/gcov/gcov-dump-1.C 
b/gcc/testsuite/g++.dg/gcov/gcov-dump-1.C
new file mode 100644
index 0000000..f0e81e9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/gcov/gcov-dump-1.C
@@ -0,0 +1,23 @@
+/* { dg-options "-fprofile-generate -ftest-coverage -lgcov" } */
+/* { dg-do run { target native } } */
+
+int value;
+
+extern "C" { void __gcov_dump(void); }
+
+int main(int argc, char **argv)
+{
+  value = 123;                                 /* count(1) */
+
+  for (unsigned i = 0; i < 100; i++)
+    value += argc;                             /* count(100) */
+
+  __gcov_dump();
+
+  for (unsigned i = 0; i < 1000; i++)          /* count(#####) */
+    value += argc;
+
+  return 0;                                    /* count(#####) */
+}
+
+/* { dg-final { run-gcov gcov-dump-1.C } } */
diff --git a/gcc/testsuite/g++.dg/gcov/gcov-dump-2.C 
b/gcc/testsuite/g++.dg/gcov/gcov-dump-2.C
new file mode 100644
index 0000000..6234a81
--- /dev/null
+++ b/gcc/testsuite/g++.dg/gcov/gcov-dump-2.C
@@ -0,0 +1,32 @@
+/* { dg-options "-fprofile-generate -ftest-coverage -lgcov" } */
+/* { dg-do run { target native } } */
+
+int value;
+
+extern "C"
+{
+  void __gcov_dump(void);
+  void __gcov_reset(void);
+}
+
+int main(int argc, char **argv)
+{
+  value = 123;                                 /* count(1) */
+
+  for (unsigned i = 0; i < 100; i++)
+    value += argc;                             /* count(100) */
+
+  __gcov_dump();
+
+  for (unsigned i = 0; i < 1000; i++)          /* count(#####) */
+    value += argc;
+
+  __gcov_reset ();
+
+  for (unsigned i = 0; i < 10000; i++)         /* count(10001) */
+    value += argc;
+
+  return 0;                                    /* count(1) */
+}
+
+/* { dg-final { run-gcov gcov-dump-2.C } } */
-- 
2.9.2