archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-23 04:24:49 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6895383: JCK test throws NPE for method compiled with Escape Analysis

Browse source 
Add missing checks for MemBar nodes in EA.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2009-12-09 16:40:45 -08:00
parent dfbb0bf3e2
commit 9f5ca0249d
10 changed files with 510 additions and 212 deletions
Download patch file Download diff file Expand all files Collapse all files

8
hotspot/src/share/vm/opto/memnode.hpp
View file

@ -717,7 +717,10 @@ public:
//------------------------------ClearArray-------------------------------------
class ClearArrayNode: public Node {
public:
ClearArrayNode( Node *ctrl, Node *arymem, Node *word_cnt, Node *base ) : Node(ctrl,arymem,word_cnt,base) {}
ClearArrayNode( Node *ctrl, Node *arymem, Node *word_cnt, Node *base )
: Node(ctrl,arymem,word_cnt,base) {
init_class_id(Class_ClearArray);
}
virtual int Opcode() const;
virtual const Type *bottom_type() const { return Type::MEMORY; }
// ClearArray modifies array elements, and so affects only the
@ -743,6 +746,9 @@ public:
Node* start_offset,
Node* end_offset,
PhaseGVN* phase);
// Return allocation input memory edge if it is different instance
// or itself if it is the one we are looking for.
static bool step_through(Node** np, uint instance_id, PhaseTransform* phase);
};
//------------------------------StrComp-------------------------------------