From: Kazu Hirata <kazu@cs.umass.edu>
Date: Mon, 14 Mar 2005 04:33:46 +0000 (+0000)
Subject: tree-cfg.c (verify_stmts): Check that bb_for_stmt (stmt) == bb for every PHI node... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8de1fc1b60d0919e6d5ae255ed137280cb27af0f;p=gcc.git

tree-cfg.c (verify_stmts): Check that bb_for_stmt (stmt) == bb for every PHI node and statement.

	* tree-cfg.c (verify_stmts): Check that
	bb_for_stmt (stmt) == bb for every PHI node and statement.

From-SVN: r96418
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index eda99eb93f7..a9a890c6007 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -10,6 +10,9 @@
 	Make them static.
 	* hard-reg-set.h: Remove the corresponding declarations.
 
+	* tree-cfg.c (verify_stmts): Check that
+	bb_for_stmt (stmt) == bb for every PHI node and statement.
+
 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
 
 	* config.gcc: Remove excess indentation.
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c
index ba04101724e..18fcab7ba8e 100644
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -3696,6 +3696,12 @@ verify_stmts (void)
 	{
 	  int phi_num_args = PHI_NUM_ARGS (phi);
 
+	  if (bb_for_stmt (phi) != bb)
+	    {
+	      error ("bb_for_stmt (phi) is set to a wrong basic block\n");
+	      err |= true;
+	    }
+
 	  for (i = 0; i < phi_num_args; i++)
 	    {
 	      tree t = PHI_ARG_DEF (phi, i);
@@ -3734,6 +3740,13 @@ verify_stmts (void)
       for (bsi = bsi_start (bb); !bsi_end_p (bsi); )
 	{
 	  tree stmt = bsi_stmt (bsi);
+
+	  if (bb_for_stmt (stmt) != bb)
+	    {
+	      error ("bb_for_stmt (stmt) is set to a wrong basic block\n");
+	      err |= true;
+	    }
+
 	  bsi_next (&bsi);
 	  err |= verify_stmt (stmt, bsi_end_p (bsi));
 	  addr = walk_tree (&stmt, verify_node_sharing, htab, NULL);