--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/opto/connode.cpp Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "memory/allocation.inline.hpp"
+#include "opto/addnode.hpp"
+#include "opto/compile.hpp"
+#include "opto/connode.hpp"
+#include "opto/machnode.hpp"
+#include "opto/matcher.hpp"
+#include "opto/memnode.hpp"
+#include "opto/phaseX.hpp"
+#include "opto/subnode.hpp"
+#include "runtime/sharedRuntime.hpp"
+
+// Optimization - Graph Style
+
+//=============================================================================
+//------------------------------hash-------------------------------------------
+uint ConNode::hash() const {
+ return (uintptr_t)in(TypeFunc::Control) + _type->hash();
+}
+
+//------------------------------make-------------------------------------------
+ConNode *ConNode::make(const Type *t) {
+ switch( t->basic_type() ) {
+ case T_INT: return new ConINode( t->is_int() );
+ case T_LONG: return new ConLNode( t->is_long() );
+ case T_FLOAT: return new ConFNode( t->is_float_constant() );
+ case T_DOUBLE: return new ConDNode( t->is_double_constant() );
+ case T_VOID: return new ConNode ( Type::TOP );
+ case T_OBJECT: return new ConPNode( t->is_ptr() );
+ case T_ARRAY: return new ConPNode( t->is_aryptr() );
+ case T_ADDRESS: return new ConPNode( t->is_ptr() );
+ case T_NARROWOOP: return new ConNNode( t->is_narrowoop() );
+ case T_NARROWKLASS: return new ConNKlassNode( t->is_narrowklass() );
+ case T_METADATA: return new ConPNode( t->is_ptr() );
+ // Expected cases: TypePtr::NULL_PTR, any is_rawptr()
+ // Also seen: AnyPtr(TopPTR *+top); from command line:
+ // r -XX:+PrintOpto -XX:CIStart=285 -XX:+CompileTheWorld -XX:CompileTheWorldStartAt=660
+ // %%%% Stop using TypePtr::NULL_PTR to represent nulls: use either TypeRawPtr::NULL_PTR
+ // or else TypeOopPtr::NULL_PTR. Then set Type::_basic_type[AnyPtr] = T_ILLEGAL
+ default:
+ ShouldNotReachHere();
+ return NULL;
+ }
+}