PhiStmt

java.lang.Object
- EDU.purdue.cs.bloat.tree.Node
- - EDU.purdue.cs.bloat.tree.Stmt
  - - EDU.purdue.cs.bloat.tree.PhiStmt

All Implemented Interfaces:

Assign

Direct Known Subclasses:

PhiCatchStmt, PhiJoinStmt
```
public abstract class PhiStmt
extends Stmt
implements Assign
```
A PhiStmt is inserted into a CFG in Single Static Assignment for. It is used to "merge" uses of the same variable in different basic blocks.

See Also:

PhiJoinStmt, PhiCatchStmt

Field Summary
- Fields inherited from class EDU.purdue.cs.bloat.tree.Node
  parent

Constructor Summary

Constructors
Constructor Description

PhiStmt(VarExpr target)
Constructor.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`clone()`
`DefExpr[]`	`defs()`	Return the expressions (variables) defined by this PhiStmt.
`abstract java.util.Collection`	`operands()`
`VarExpr`	`target()`

Methods inherited from class EDU.purdue.cs.bloat.tree.Stmt
cleanupOnly

Methods inherited from class EDU.purdue.cs.bloat.tree.Node
block, cleanup, copyInto, hasParent, key, parent, replaceWith, replaceWith, setKey, setParent, setValueNumber, toString, valueNumber, visit, visitChildren, visitForceChildren, visitOnly

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - PhiStmt
```
public PhiStmt(VarExpr target)
```
    Constructor.
    
    Parameters:
    
    target - A stack expression or local variable that is the target of this phi-statement.
- Method Detail
  - target
```
public VarExpr target()
```
  - defs
```
public DefExpr[] defs()
```
    Return the expressions (variables) defined by this PhiStmt. In this case, only the target is defined.
    
    Specified by:
    
    defs in interface Assign
  - operands
```
public abstract java.util.Collection operands()
```
  - clone
```
public java.lang.Object clone()
```
    Specified by:
    
    clone in class Stmt