2011-04-11 Martin Jambor <mjambor@suse.cz>

gcc/
	* cgraph.c (cgraph_local_info): Call cgraph_get_node instead
	of cgraph_node,	handle NULL return value.
	(cgraph_global_info): Likewise.
	(cgraph_rtl_info): Likewise.
	* tree-inline.c (estimate_num_insns): Likewise.
	* gimplify.c (unshare_body): Likewise.
	(unvisit_body): Likewise.
	(gimplify_body): Likewise.
	* predict.c (optimize_function_for_size_p): Likewise.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Likewise.
	(call_may_clobber_ref_p_1): Likewise.
	* varasm.c (function_section_1): Likewise.
	(assemble_start_function): Likewise.

gcc/java/
	* decl.c (java_mark_decl_local): Call cgraph_get_node instead of
	cgraph_node and handle returned NULL.



git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@172258 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 11 insertions, 6 deletions

diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index f7fc7d20881..4edacb56ba6 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -1245,14 +1245,18 @@ ref_maybe_used_by_call_p_1 (gimple call, ao_ref *ref)
 
   /* Check if base is a global static variable that is not read
      by the function.  */
-  if (TREE_CODE (base) == VAR_DECL
+  if (callee != NULL_TREE
+      && TREE_CODE (base) == VAR_DECL
       && TREE_STATIC (base))
     {
+      struct cgraph_node *node = cgraph_get_node (callee);
       bitmap not_read;
 
-      if (callee != NULL_TREE
-	  && (not_read
-	        = ipa_reference_get_not_read_global (cgraph_node (callee)))
+      /* FIXME: Callee can be an OMP builtin that does not have a call graph
+	 node yet.  We should enforce that there are nodes for all decls in the
+	 IL and remove this check instead.  */
+      if (node
+	  && (not_read = ipa_reference_get_not_read_global (node))
 	  && bitmap_bit_p (not_read, DECL_UID (base)))
 	goto process_args;
     }
@@ -1512,10 +1516,11 @@ call_may_clobber_ref_p_1 (gimple call, ao_ref *ref)
       && TREE_CODE (base) == VAR_DECL
       && TREE_STATIC (base))
     {
+      struct cgraph_node *node = cgraph_get_node (callee);
       bitmap not_written;
 
-      if ((not_written
-	     = ipa_reference_get_not_written_global (cgraph_node (callee)))
+      if (node
+	  && (not_written = ipa_reference_get_not_written_global (node))
 	  && bitmap_bit_p (not_written, DECL_UID (base)))
 	return false;
     }