1 /*
   2  * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2009 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 class SharkIntrinsics : public SharkTargetInvariants {
  27  public:
  28   static bool is_intrinsic(ciMethod* target);
  29   static void inline_intrinsic(ciMethod* target, SharkState* state);
  30 
  31  private:
  32   SharkIntrinsics(SharkState* state, ciMethod* target)
  33     : SharkTargetInvariants(state, target), _state(state) {}
  34 
  35  private:
  36   SharkState* _state;
  37 
  38  private:
  39   SharkState* state() const {
  40     return _state;
  41   }
  42 
  43  private:
  44   void do_intrinsic();
  45 
  46  private:
  47   void do_Math_minmax(llvm::ICmpInst::Predicate p);
  48   void do_Math_1to1(llvm::Value* function);
  49   void do_Math_2to1(llvm::Value* function);
  50   void do_Object_getClass();
  51   void do_System_currentTimeMillis();
  52   void do_Thread_currentThread();
  53   void do_Unsafe_compareAndSwapInt();
  54 };