RemoveConstantFromSSA (ProGuardCORE)

java.lang.Object
- proguard.dexfile.ir.ts.StatedTransformer
- - proguard.dexfile.ir.ts.RemoveConstantFromSSA

All Implemented Interfaces:: Transformer

public class RemoveConstantFromSSA
extends StatedTransformer

1. Remove constant AssignStmt.

 a = "123";
 return a;

to

 return "123";

2. Remove Phi if all value are equal

 a = "123";
 // ...
 b = "123";
 // ...
 c = PHI(a, b);
 return c;

to

 // ...
 return "123";

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static java.util.Comparator<Local> LOCAL_COMPARATOR
- Constructor Summary
  
  Constructors
  Constructor Description
  
  RemoveConstantFromSSA()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean transformReportChanged(IrMethod method)
  - Methods inherited from class proguard.dexfile.ir.ts.StatedTransformer
    transform
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - LOCAL_COMPARATOR
```
public static final java.util.Comparator<Local> LOCAL_COMPARATOR
```
- Constructor Detail
  - RemoveConstantFromSSA
```
public RemoveConstantFromSSA()
```
- Method Detail
  - transformReportChanged
```
public boolean transformReportChanged(IrMethod method)
```
    Specified by:
    
    transformReportChanged in class StatedTransformer