# HG changeset patch
# User Thinker K.F. Li <thinker@codemud.net>
# Date 1284019615 -28800
# Node ID 6fdb0cfdc2a71ec32bee89db3115cd46114ad8e1
# Parent  bf14d3ed008e9f9c65a81f1f3977e8537f59d69b
More information about GIMPLE

diff -r bf14d3ed008e -r 6fdb0cfdc2a7 src/cospy.c
--- a/src/cospy.c	Thu Sep 09 15:57:08 2010 +0800
+++ b/src/cospy.c	Thu Sep 09 16:06:55 2010 +0800
@@ -110,12 +110,16 @@
 }
 
 /*! \brief Find all call expression in a code block.
+ *
+ * This function find CALL_EXPR in body of a function that represented
+ * as a GIMPE tree.  See gcc/tree.def and gcc/c-gimplify.c of GCC for
+ * more information of tree code of GIMPLE.
  */
 static void
 find_call_expr(tree fn) {
     tree bind, body;
     
-    bind = DECL_SAVED_TREE(fn);
+    bind = DECL_SAVED_TREE(fn);	/* BIND_EXPR */
     body = BIND_EXPR_BODY(bind);
     printf("%d:%d\n", TREE_CODE(body), BIND_EXPR);
 }
@@ -160,6 +164,7 @@
  * It supposed to get function body in GIMPLE statements.  If we don't
  * do this, here, it, GIMPLE statements, would be destroyed by
  * optimization passes.
+
  */
 static void
 handle_pre_genericize(void *gcc_data, void *user_data) {