gcc-7.1.0gcc-7.1.0

1 files changed, 100 insertions, 0 deletions

diff --git a/gcc/selftest-rtl.c b/gcc/selftest-rtl.c
new file mode 100644
index 0000000000..bfb1ab733a
--- /dev/null
+++ b/gcc/selftest-rtl.c
@@ -0,0 +1,100 @@
+/* Selftest support for RTL.
+   Copyright (C) 2016-2017 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "selftest.h"
+#include "backend.h"
+#include "target.h"
+#include "rtl.h"
+#include "read-rtl-function.h"
+#include "read-md.h"
+#include "tree-core.h"
+#include "memmodel.h"
+#include "emit-rtl.h"
+#include "selftest-rtl.h"
+
+#if CHECKING_P
+
+namespace selftest {
+
+/* Compare rtx EXPECTED and ACTUAL by pointer equality, calling
+   ::selftest::pass if they are equal, aborting if they are non-equal.
+   LOC is the effective location of the assertion, MSG describes it.  */
+
+void
+assert_rtx_ptr_eq_at (const location &loc, const char *msg,
+		      rtx expected, rtx actual)
+{
+  if (expected == actual)
+    ::selftest::pass (loc, msg);
+  else
+    {
+      fprintf (stderr, "%s:%i: %s: FAIL: %s\n", loc.m_file, loc.m_line,
+	       loc.m_function, msg);
+      fprintf (stderr, "  expected (at %p): ", (void *)expected);
+      print_rtl (stderr, expected);
+      fprintf (stderr, "\n  actual (at %p): ", (void *)actual);
+      print_rtl (stderr, actual);
+      fprintf (stderr, "\n");
+      abort ();
+    }
+}
+
+/* Constructor for selftest::rtl_dump_test.
+   Read a dumped RTL function from PATH.
+   Takes ownership of PATH, freeing in dtor.
+   Use LOC as the effective location when reporting failures.  */
+
+rtl_dump_test::rtl_dump_test (const location &loc, char *path)
+  : m_path (path)
+{
+  bool read_ok = read_rtl_function_body (path);
+  ASSERT_TRUE_AT (loc, read_ok);
+}
+
+/* Destructor for selftest::rtl_dump_test.
+   Cleanup global state relating to the function, and free the path.  */
+
+selftest::rtl_dump_test::~rtl_dump_test ()
+{
+  /* Cleanups.  */
+  current_function_decl = NULL;
+  free_after_compilation (cfun);
+  set_cfun (NULL);
+  free (m_path);
+}
+
+/* Get the insn with the given uid, or NULL if not found.  */
+
+rtx_insn *
+get_insn_by_uid (int uid)
+{
+  for (rtx_insn *insn = get_insns (); insn; insn = NEXT_INSN (insn))
+    if (INSN_UID (insn) == uid)
+      return insn;
+
+  /* Not found.  */
+  return NULL;
+}
+
+} // namespace selftest
+
+#endif /* #if CHECKING_P */