basic_block: Move all variables behind a public interface

This commit is contained in:
Lioncash 2016-08-25 10:35:50 -04:00 committed by MerryMage
parent 1d8432487d
commit 0e12fb6a56
9 changed files with 185 additions and 66 deletions

View file

@ -6,6 +6,7 @@
#pragma once
#include <initializer_list>
#include <memory>
#include <string>
@ -17,10 +18,13 @@
#include "frontend/arm_types.h"
#include "frontend/ir/microinstruction.h"
#include "frontend/ir/terminal.h"
#include "frontend/ir/value.h"
namespace Dynarmic {
namespace IR {
enum class Opcode;
/**
* A basic block. It consists of zero or more instructions followed by exactly one terminal.
* Note that this is a linear IR and not a pure tree-based IR: i.e.: there is an ordering to
@ -63,6 +67,53 @@ public:
const_reverse_iterator crbegin() const { return instructions.crbegin(); }
const_reverse_iterator crend() const { return instructions.crend(); }
/**
* Appends a new instruction to this basic block,
* handling any allocations necessary to do so.
*
* @param op Opcode representing the instruction to add.
* @param args A sequence of Value instances used as arguments for the instruction.
*/
void AppendNewInst(Opcode op, std::initializer_list<Value> args);
/// Gets the starting location for this basic block.
Arm::LocationDescriptor Location() const;
/// Gets the condition required to pass in order to execute this block.
Arm::Cond GetCondition() const;
/// Sets the condition required to pass in order to execute this block.
void SetCondition(Arm::Cond condition);
/// Gets the location of the block to execute if the predicated condition fails.
Arm::LocationDescriptor ConditionFailedLocation() const;
/// Sets the location of the block to execute if the predicated condition fails.
void SetConditionFailedLocation(Arm::LocationDescriptor location);
/// Determines whether or not a prediated condition failure block is present.
bool HasConditionFailedLocation() const;
/// Gets a mutable reference to the condition failed cycle count.
size_t& ConditionFailedCycleCount();
/// Gets an immutable reference to the condition failed cycle count.
const size_t& ConditionFailedCycleCount() const;
/// Gets a mutable reference to the instruction list for this basic block.
InstructionList& Instructions();
/// Gets an immutable reference to the instruction list for this basic block.
const InstructionList& Instructions() const;
/// Gets the terminal instruction for this basic block.
Terminal GetTerminal() const;
/// Sets the terminal instruction for this basic block.
void SetTerminal(Terminal term);
/// Determines whether or not this basic block has a terminal instruction.
bool HasTerminal() const;
/// Gets a mutable reference to the cycle count for this basic block.
size_t& CycleCount();
/// Gets an immutable reference to the cycle count for this basic block.
const size_t& CycleCount() const;
private:
/// Description of the starting location of this block
Arm::LocationDescriptor location;
/// Conditional to pass in order to execute this block