Implement -Wimplicit-fallthrough.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@240485 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 10 insertions, 0 deletions

diff --git a/gcc/gimple.h b/gcc/gimple.h
index 980bdf8314c..9fad15bf3f8 100644
--- a/gcc/gimple.h
+++ b/gcc/gimple.h
@@ -2921,6 +2921,16 @@ gimple_call_internal_unique_p (const gimple *gs)
   return gimple_call_internal_unique_p (gc);
 }
 
+/* Return true if GS is an internal function FN.  */
+
+static inline bool
+gimple_call_internal_p (const gimple *gs, internal_fn fn)
+{
+  return (is_gimple_call (gs)
+	  && gimple_call_internal_p (gs)
+	  && gimple_call_internal_fn (gs) == fn);
+}
+
 /* If CTRL_ALTERING_P is true, mark GIMPLE_CALL S to be a stmt
    that could alter control flow.  */