1 /*
   2  * Copyright (c) 1999, 2017, 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 #ifndef SHARE_VM_SHARK_SHARKINTRINSICS_HPP
  27 #define SHARE_VM_SHARK_SHARKINTRINSICS_HPP
  28 
  29 #include "ci/ciMethod.hpp"
  30 #include "memory/allocation.hpp"
  31 #include "shark/llvmHeaders.hpp"
  32 #include "shark/sharkState.hpp"
  33 
  34 class SharkIntrinsics : public SharkTargetInvariants {
  35  public:
  36   static bool is_intrinsic(ciMethod* target);
  37   static void inline_intrinsic(ciMethod* target, SharkState* state);
  38 
  39  private:
  40   SharkIntrinsics(SharkState* state, ciMethod* target)
  41     : SharkTargetInvariants(state, target), _state(state) {}
  42 
  43  private:
  44   SharkState* _state;
  45 
  46  private:
  47   SharkState* state() const {
  48     return _state;
  49   }
  50 
  51  private:
  52   void do_intrinsic();
  53 
  54  private:
  55   void do_Math_minmax(llvm::ICmpInst::Predicate p);
  56   void do_Math_1to1(llvm::Value* function);
  57   void do_Math_2to1(llvm::Value* function);
  58   void do_Object_getClass();
  59   void do_System_currentTimeMillis();
  60   void do_Thread_currentThread();
  61   void do_Unsafe_compareAndSetInt();
  62 };
  63 
  64 #endif // SHARE_VM_SHARK_SHARKINTRINSICS_HPP