128 lines
3.8 KiB
C++
128 lines
3.8 KiB
C++
/*
|
|
* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
|
|
* Copyright 2008, 2009 Red Hat, Inc.
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef SHARE_VM_SHARK_SHARKFUNCTION_HPP
|
|
#define SHARE_VM_SHARK_SHARKFUNCTION_HPP
|
|
|
|
#include "ci/ciEnv.hpp"
|
|
#include "ci/ciStreams.hpp"
|
|
#include "ci/ciTypeFlow.hpp"
|
|
#include "memory/allocation.hpp"
|
|
#include "shark/llvmHeaders.hpp"
|
|
#include "shark/llvmValue.hpp"
|
|
#include "shark/sharkBuilder.hpp"
|
|
#include "shark/sharkContext.hpp"
|
|
#include "shark/sharkInvariants.hpp"
|
|
#include "shark/sharkStack.hpp"
|
|
|
|
class SharkTopLevelBlock;
|
|
class DeferredZeroCheck;
|
|
|
|
class SharkFunction : public SharkTargetInvariants {
|
|
friend class SharkStackWithNormalFrame;
|
|
|
|
public:
|
|
static llvm::Function* build(ciEnv* env,
|
|
SharkBuilder* builder,
|
|
ciTypeFlow* flow,
|
|
const char* name) {
|
|
SharkFunction function(env, builder, flow, name);
|
|
return function.function();
|
|
}
|
|
|
|
private:
|
|
SharkFunction(ciEnv* env,
|
|
SharkBuilder* builder,
|
|
ciTypeFlow* flow,
|
|
const char* name)
|
|
: SharkTargetInvariants(env, builder, flow) { initialize(name); }
|
|
|
|
private:
|
|
void initialize(const char* name);
|
|
|
|
private:
|
|
llvm::Function* _function;
|
|
SharkTopLevelBlock** _blocks;
|
|
GrowableArray<DeferredZeroCheck*> _deferred_zero_checks;
|
|
SharkStack* _stack;
|
|
|
|
public:
|
|
llvm::Function* function() const {
|
|
return _function;
|
|
}
|
|
int block_count() const {
|
|
return flow()->block_count();
|
|
}
|
|
SharkTopLevelBlock* block(int i) const {
|
|
assert(i < block_count(), "should be");
|
|
return _blocks[i];
|
|
}
|
|
GrowableArray<DeferredZeroCheck*>* deferred_zero_checks() {
|
|
return &_deferred_zero_checks;
|
|
}
|
|
SharkStack* stack() const {
|
|
return _stack;
|
|
}
|
|
|
|
// On-stack replacement
|
|
private:
|
|
bool is_osr() const {
|
|
return flow()->is_osr_flow();
|
|
}
|
|
llvm::FunctionType* entry_point_type() const {
|
|
if (is_osr())
|
|
return SharkType::osr_entry_point_type();
|
|
else
|
|
return SharkType::entry_point_type();
|
|
}
|
|
|
|
// Block management
|
|
private:
|
|
llvm::BasicBlock* _block_insertion_point;
|
|
|
|
void set_block_insertion_point(llvm::BasicBlock* block_insertion_point) {
|
|
_block_insertion_point = block_insertion_point;
|
|
}
|
|
llvm::BasicBlock* block_insertion_point() const {
|
|
return _block_insertion_point;
|
|
}
|
|
|
|
public:
|
|
llvm::BasicBlock* CreateBlock(const char* name = "") const {
|
|
return llvm::BasicBlock::Create(
|
|
SharkContext::current(), name, function(), block_insertion_point());
|
|
}
|
|
|
|
// Deferred zero checks
|
|
public:
|
|
void add_deferred_zero_check(SharkTopLevelBlock* block,
|
|
SharkValue* value);
|
|
|
|
private:
|
|
void do_deferred_zero_checks();
|
|
};
|
|
|
|
#endif // SHARE_VM_SHARK_SHARKFUNCTION_HPP
|