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org.jikesrvm.compilers.opt.ir
Class MIR_CondBranch

java.lang.Object
  extended by org.jikesrvm.compilers.opt.ir.InstructionFormat
      extended by org.jikesrvm.compilers.opt.ir.MIR_CondBranch

public final class MIR_CondBranch
extends InstructionFormat

The MIR_CondBranch InstructionFormat class. The header comment for Instruction contains an explanation of the role of InstructionFormats in the opt compiler's IR.

Field Summary
 
Fields inherited from class org.jikesrvm.compilers.opt.ir.InstructionFormat
ALoad_format, ALoad_traits, ARCH_INDEPENDENT_INSTR_FORMAT_END_format, AStore_format, AStore_traits, Athrow_format, Athrow_traits, Attempt_format, Attempt_traits, BBend_format, BBend_traits, Binary_format, Binary_traits, BooleanCmp_format, BooleanCmp_traits, BoundsCheck_format, BoundsCheck_traits, CacheOp_format, CacheOp_traits, Call_format, Call_traits, CondMove_format, CondMove_traits, Empty_format, Empty_traits, GetField_format, GetField_traits, GetStatic_format, GetStatic_traits, Goto_format, Goto_traits, GuardedBinary_format, GuardedBinary_traits, GuardedSet_format, GuardedSet_traits, GuardedUnary_format, GuardedUnary_traits, IfCmp_format, IfCmp_traits, IfCmp2_format, IfCmp2_traits, InlineGuard_format, InlineGuard_traits, InstanceOf_format, InstanceOf_traits, InstrumentedCounter_format, InstrumentedCounter_traits, Label_format, Label_traits, Load_format, Load_traits, LookupSwitch_format, LookupSwitch_traits, LowTableSwitch_format, LowTableSwitch_traits, MIN_OPERAND_ARRAY_LENGTH, MIR_BinaryAcc_format, MIR_BinaryAcc_traits, MIR_Branch_format, MIR_Branch_traits, MIR_CacheOp_format, MIR_CacheOp_traits, MIR_Call_format, MIR_Call_traits, MIR_CaseLabel_format, MIR_CaseLabel_traits, MIR_Compare_format, MIR_Compare_traits, MIR_CompareExchange_format, MIR_CompareExchange_traits, MIR_CompareExchange8B_format, MIR_CompareExchange8B_traits, MIR_CondBranch_format, MIR_CondBranch_traits, MIR_CondBranch2_format, MIR_CondBranch2_traits, MIR_CondMove_format, MIR_CondMove_traits, MIR_ConvertDW2QW_format, MIR_ConvertDW2QW_traits, MIR_Divide_format, MIR_Divide_traits, MIR_DoubleShift_format, MIR_DoubleShift_traits, MIR_Empty_format, MIR_Empty_traits, MIR_FSave_format, MIR_FSave_traits, MIR_Lea_format, MIR_Lea_traits, MIR_LowTableSwitch_format, MIR_LowTableSwitch_traits, MIR_Move_format, MIR_Move_traits, MIR_Multiply_format, MIR_Multiply_traits, MIR_Nullary_format, MIR_Nullary_traits, MIR_RDTSC_format, MIR_RDTSC_traits, MIR_Return_format, MIR_Return_traits, MIR_Set_format, MIR_Set_traits, MIR_Test_format, MIR_Test_traits, MIR_Trap_format, MIR_Trap_traits, MIR_TrapIf_format, MIR_TrapIf_traits, MIR_Unary_format, MIR_Unary_traits, MIR_UnaryAcc_format, MIR_UnaryAcc_traits, MIR_UnaryNoRes_format, MIR_UnaryNoRes_traits, MIR_XChng_format, MIR_XChng_traits, MonitorOp_format, MonitorOp_traits, Move_format, Move_traits, Multianewarray_format, Multianewarray_traits, New_format, New_traits, NewArray_format, NewArray_traits, Nullary_format, Nullary_traits, NullCheck_format, NullCheck_traits, OsrBarrier_format, OsrBarrier_traits, OsrPoint_format, OsrPoint_traits, Phi_format, Phi_traits, Prepare_format, Prepare_traits, Prologue_format, Prologue_traits, PutField_format, PutField_traits, PutStatic_format, PutStatic_traits, Return_format, Return_traits, Store_format, Store_traits, StoreCheck_format, StoreCheck_traits, TableSwitch_format, TableSwitch_traits, Trap_format, Trap_traits, TrapIf_format, TrapIf_traits, TypeCheck_format, TypeCheck_traits, Unary_format, Unary_traits, Unassigned_format, ZeroCheck_format, ZeroCheck_traits
 
Constructor Summary
MIR_CondBranch()
           
 
Method Summary
static boolean conforms(Instruction i)
          InstructionFormat identification method for MIR_CondBranch.
static boolean conforms(Operator o)
          InstructionFormat identification method for MIR_CondBranch.
static Instruction create(Operator o, IA32ConditionOperand Cond, BranchOperand Target, BranchProfileOperand BranchProfile)
          Create an instruction of the MIR_CondBranch instruction format.
static Instruction create(Operator o, IA32ConditionOperand Cond, BranchProfileOperand BranchProfile)
          Create an instruction of the MIR_CondBranch instruction format.
static BranchProfileOperand getBranchProfile(Instruction i)
          Get the operand called BranchProfile from the argument instruction.
static BranchProfileOperand getClearBranchProfile(Instruction i)
          Get the operand called BranchProfile from the argument instruction clearing its instruction pointer.
static IA32ConditionOperand getClearCond(Instruction i)
          Get the operand called Cond from the argument instruction clearing its instruction pointer.
static BranchOperand getClearTarget(Instruction i)
          Get the operand called Target from the argument instruction clearing its instruction pointer.
static IA32ConditionOperand getCond(Instruction i)
          Get the operand called Cond from the argument instruction.
static BranchOperand getTarget(Instruction i)
          Get the operand called Target from the argument instruction.
static boolean hasBranchProfile(Instruction i)
          Does the argument instruction have a non-null operand named BranchProfile?
static boolean hasCond(Instruction i)
          Does the argument instruction have a non-null operand named Cond?
static boolean hasTarget(Instruction i)
          Does the argument instruction have a non-null operand named Target?
static int indexOfBranchProfile(Instruction i)
          Return the index of the operand called BranchProfile in the argument instruction.
static int indexOfCond(Instruction i)
          Return the index of the operand called Cond in the argument instruction.
static int indexOfTarget(Instruction i)
          Return the index of the operand called Target in the argument instruction.
static Instruction mutate(Instruction i, Operator o, IA32ConditionOperand Cond, BranchOperand Target, BranchProfileOperand BranchProfile)
          Mutate the argument instruction into an instruction of the MIR_CondBranch instruction format having the specified operator and operands.
static Instruction mutate(Instruction i, Operator o, IA32ConditionOperand Cond, BranchProfileOperand BranchProfile)
          Mutate the argument instruction into an instruction of the MIR_CondBranch instruction format having the specified operator and operands.
static void setBranchProfile(Instruction i, BranchProfileOperand BranchProfile)
          Set the operand called BranchProfile in the argument instruction to the argument operand.
static void setCond(Instruction i, IA32ConditionOperand Cond)
          Set the operand called Cond in the argument instruction to the argument operand.
static void setTarget(Instruction i, BranchOperand Target)
          Set the operand called Target in the argument instruction to the argument operand.
 
Methods inherited from class org.jikesrvm.compilers.opt.ir.InstructionFormat
fail, fail
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MIR_CondBranch

public MIR_CondBranch()
Method Detail

conforms

public static boolean conforms(Instruction i)
InstructionFormat identification method for MIR_CondBranch.

Parameters:
i - an instruction
Returns:
true if the InstructionFormat of the argument instruction is MIR_CondBranch or false if it is not.

conforms

public static boolean conforms(Operator o)
InstructionFormat identification method for MIR_CondBranch.

Parameters:
o - an instruction
Returns:
true if the InstructionFormat of the argument operator is MIR_CondBranch or false if it is not.

getCond

public static IA32ConditionOperand getCond(Instruction i)
Get the operand called Cond from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:
i - the instruction to fetch the operand from
Returns:
the operand called Cond

getClearCond

public static IA32ConditionOperand getClearCond(Instruction i)
Get the operand called Cond from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:
i - the instruction to fetch the operand from
Returns:
the operand called Cond

setCond

public static void setCond(Instruction i,
                           IA32ConditionOperand Cond)
Set the operand called Cond in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:
i - the instruction in which to store the operand
Cond - the operand to store

indexOfCond

public static int indexOfCond(Instruction i)
Return the index of the operand called Cond in the argument instruction.

Parameters:
i - the instruction to access.
Returns:
the index of the operand called Cond in the argument instruction

hasCond

public static boolean hasCond(Instruction i)
Does the argument instruction have a non-null operand named Cond?

Parameters:
i - the instruction to access.
Returns:
true if the instruction has an non-null operand named Cond or false if it does not.

getTarget

public static BranchOperand getTarget(Instruction i)
Get the operand called Target from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:
i - the instruction to fetch the operand from
Returns:
the operand called Target

getClearTarget

public static BranchOperand getClearTarget(Instruction i)
Get the operand called Target from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:
i - the instruction to fetch the operand from
Returns:
the operand called Target

setTarget

public static void setTarget(Instruction i,
                             BranchOperand Target)
Set the operand called Target in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:
i - the instruction in which to store the operand
Target - the operand to store

indexOfTarget

public static int indexOfTarget(Instruction i)
Return the index of the operand called Target in the argument instruction.

Parameters:
i - the instruction to access.
Returns:
the index of the operand called Target in the argument instruction

hasTarget

public static boolean hasTarget(Instruction i)
Does the argument instruction have a non-null operand named Target?

Parameters:
i - the instruction to access.
Returns:
true if the instruction has an non-null operand named Target or false if it does not.

getBranchProfile

public static BranchProfileOperand getBranchProfile(Instruction i)
Get the operand called BranchProfile from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:
i - the instruction to fetch the operand from
Returns:
the operand called BranchProfile

getClearBranchProfile

public static BranchProfileOperand getClearBranchProfile(Instruction i)
Get the operand called BranchProfile from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:
i - the instruction to fetch the operand from
Returns:
the operand called BranchProfile

setBranchProfile

public static void setBranchProfile(Instruction i,
                                    BranchProfileOperand BranchProfile)
Set the operand called BranchProfile in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:
i - the instruction in which to store the operand
BranchProfile - the operand to store

indexOfBranchProfile

public static int indexOfBranchProfile(Instruction i)
Return the index of the operand called BranchProfile in the argument instruction.

Parameters:
i - the instruction to access.
Returns:
the index of the operand called BranchProfile in the argument instruction

hasBranchProfile

public static boolean hasBranchProfile(Instruction i)
Does the argument instruction have a non-null operand named BranchProfile?

Parameters:
i - the instruction to access.
Returns:
true if the instruction has an non-null operand named BranchProfile or false if it does not.

create

public static Instruction create(Operator o,
                                 IA32ConditionOperand Cond,
                                 BranchOperand Target,
                                 BranchProfileOperand BranchProfile)
Create an instruction of the MIR_CondBranch instruction format.

Parameters:
o - the instruction's operator
Cond - the instruction's Cond operand
Target - the instruction's Target operand
BranchProfile - the instruction's BranchProfile operand
Returns:
the newly created MIR_CondBranch instruction

mutate

public static Instruction mutate(Instruction i,
                                 Operator o,
                                 IA32ConditionOperand Cond,
                                 BranchOperand Target,
                                 BranchProfileOperand BranchProfile)
Mutate the argument instruction into an instruction of the MIR_CondBranch instruction format having the specified operator and operands.

Parameters:
i - the instruction to mutate
o - the instruction's operator
Cond - the instruction's Cond operand
Target - the instruction's Target operand
BranchProfile - the instruction's BranchProfile operand
Returns:
the mutated instruction

create

public static Instruction create(Operator o,
                                 IA32ConditionOperand Cond,
                                 BranchProfileOperand BranchProfile)
Create an instruction of the MIR_CondBranch instruction format.

Parameters:
o - the instruction's operator
Cond - the instruction's Cond operand
BranchProfile - the instruction's BranchProfile operand
Returns:
the newly created MIR_CondBranch instruction

mutate

public static Instruction mutate(Instruction i,
                                 Operator o,
                                 IA32ConditionOperand Cond,
                                 BranchProfileOperand BranchProfile)
Mutate the argument instruction into an instruction of the MIR_CondBranch instruction format having the specified operator and operands.

Parameters:
i - the instruction to mutate
o - the instruction's operator
Cond - the instruction's Cond operand
BranchProfile - the instruction's BranchProfile operand
Returns:
the mutated instruction
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