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comparison src/share/vm/opto/library_call.cpp @ 950:8fe1963e3964

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6875577: CTW fails with /hotspot/src/share/vm/opto/memnode.cpp Summary: Fix do_null_check to check for unloaded klass for all oop pointers. Reviewed-by: never, cfang
author kvn
date Fri, 28 Aug 2009 11:19:33 -0700
parents fc2281ddce3c
children c7e94e8fff43
comparison
equal deleted inserted replaced
949:489a4f8dcd0f 950:8fe1963e3964
3892 // Helper function for inline_native_clone. 3892 // Helper function for inline_native_clone.
3893 void LibraryCallKit::copy_to_clone(Node* obj, Node* alloc_obj, Node* obj_size, bool is_array, bool card_mark) { 3893 void LibraryCallKit::copy_to_clone(Node* obj, Node* alloc_obj, Node* obj_size, bool is_array, bool card_mark) {
3894 assert(obj_size != NULL, ""); 3894 assert(obj_size != NULL, "");
3895 Node* raw_obj = alloc_obj->in(1); 3895 Node* raw_obj = alloc_obj->in(1);
3896 assert(alloc_obj->is_CheckCastPP() && raw_obj->is_Proj() && raw_obj->in(0)->is_Allocate(), ""); 3896 assert(alloc_obj->is_CheckCastPP() && raw_obj->is_Proj() && raw_obj->in(0)->is_Allocate(), "");
3897 assert(alloc_obj->as_CheckCastPP()->type() != TypeInstPtr::NOTNULL, "should be more precise than Object");
3897 3898
3898 if (ReduceBulkZeroing) { 3899 if (ReduceBulkZeroing) {
3899 // We will be completely responsible for initializing this object - 3900 // We will be completely responsible for initializing this object -
3900 // mark Initialize node as complete. 3901 // mark Initialize node as complete.
3901 AllocateNode* alloc = AllocateNode::Ideal_allocation(alloc_obj, &_gvn); 3902 AllocateNode* alloc = AllocateNode::Ideal_allocation(alloc_obj, &_gvn);
4445 && alloc->maybe_set_complete(&_gvn)) { 4446 && alloc->maybe_set_complete(&_gvn)) {
4446 // "You break it, you buy it." 4447 // "You break it, you buy it."
4447 InitializeNode* init = alloc->initialization(); 4448 InitializeNode* init = alloc->initialization();
4448 assert(init->is_complete(), "we just did this"); 4449 assert(init->is_complete(), "we just did this");
4449 assert(dest->is_CheckCastPP(), "sanity"); 4450 assert(dest->is_CheckCastPP(), "sanity");
4451 assert(dest->as_CheckCastPP()->type() != TypeInstPtr::NOTNULL, "type should be more precise than Object");
4450 assert(dest->in(0)->in(0) == init, "dest pinned"); 4452 assert(dest->in(0)->in(0) == init, "dest pinned");
4451 4453
4452 // Cast to Object for arraycopy. 4454 // Cast to Object for arraycopy.
4453 // We can't use the original CheckCastPP since it should be moved 4455 // We can't use the original CheckCastPP since it should be moved
4454 // after the arraycopy to prevent stores flowing above it. 4456 // after the arraycopy to prevent stores flowing above it.