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java.lang.Objectedu.umd.cs.findbugs.ba.Frame<ValueNumber>
edu.umd.cs.findbugs.ba.vna.ValueNumberFrame
public class ValueNumberFrame
A dataflow value representing a Java stack frame with value number information.
ValueNumber
,
ValueNumberAnalysis
Field Summary | |
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boolean |
phiNodeForLoads
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Fields inherited from interface edu.umd.cs.findbugs.ba.vna.ValueNumberAnalysisFeatures |
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REDUNDANT_LOAD_ELIMINATION, RLE_DEBUG |
Constructor Summary | |
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ValueNumberFrame(int numLocals)
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Method Summary | |
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void |
addAvailableLoad(AvailableLoad availableLoad,
ValueNumber[] value)
Add an available load. |
java.lang.String |
availableLoadMapAsString()
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void |
copyFrom(Frame<ValueNumber> other)
Make this Frame exactly the same as the one given as a parameter. |
boolean |
fromMatchingLoads(ValueNumber v1,
ValueNumber v2)
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boolean |
fuzzyMatch(ValueNumber v1,
ValueNumber v2)
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ValueNumber[] |
getAvailableLoad(AvailableLoad availableLoad)
Look for an available load. |
AvailableLoad |
getLoad(ValueNumber v)
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boolean |
haveMatchingFlags(ValueNumber v1,
ValueNumber v2)
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void |
killAllLoads()
Kill all loads. |
void |
killAllLoadsExceptFor(ValueNumber v)
|
void |
killAllLoadsOf(ValueNumber v)
Kill all loads. |
void |
killLoadsOf(java.util.Set<XField> fieldsToKill)
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void |
killLoadsOfField(XField field)
Kill all loads of given field. |
void |
killLoadsWithSimilarName(java.lang.String className,
java.lang.String methodName)
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java.lang.String |
toString()
Convert to string. |
java.util.Collection<ValueNumber> |
valueNumbersForLoads()
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Methods inherited from class edu.umd.cs.findbugs.ba.Frame |
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allSlots, clearStack, getArgument, getArgument, getArgumentSet, getArgumentSlot, getInstance, getInstanceSlot, getInstanceStackLocation, getLastUpdateTimestamp, getNumArguments, getNumArgumentsIncludingObjectInstance, getNumLocals, getNumSlots, getOperand, getStackDepth, getStackLocation, getStackValue, getTopStackWords, getTopValue, getValue, isBottom, isTop, isValid, popValue, pushValue, sameAs, setBottom, setLastUpdateTimestamp, setTop, setValid, setValue, valueToString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public boolean phiNodeForLoads
Constructor Detail |
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public ValueNumberFrame(int numLocals)
Method Detail |
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public java.lang.String availableLoadMapAsString()
@CheckForNull public AvailableLoad getLoad(ValueNumber v)
public ValueNumber[] getAvailableLoad(AvailableLoad availableLoad)
availableLoad
- the AvailableLoad (reference and field)
public void addAvailableLoad(AvailableLoad availableLoad, @NonNull ValueNumber[] value)
availableLoad
- the AvailableLoad (reference and field)value
- the value(s) loadedpublic void killLoadsOfField(XField field)
field
- the fieldpublic void killAllLoads()
public void killAllLoadsExceptFor(@CheckForNull ValueNumber v)
public void killAllLoadsOf(@CheckForNull ValueNumber v)
public void killLoadsOf(java.util.Set<XField> fieldsToKill)
public void killLoadsWithSimilarName(java.lang.String className, java.lang.String methodName)
public void copyFrom(Frame<ValueNumber> other)
Frame
copyFrom
in class Frame<ValueNumber>
other
- the Frame to make this object the same aspublic java.lang.String toString()
Frame
toString
in class Frame<ValueNumber>
public boolean fuzzyMatch(ValueNumber v1, ValueNumber v2)
public boolean fromMatchingLoads(ValueNumber v1, ValueNumber v2)
public boolean haveMatchingFlags(ValueNumber v1, ValueNumber v2)
v1
- v2
-
public java.util.Collection<ValueNumber> valueNumbersForLoads()
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