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LLVM
3.7.0
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PostDominatorTree Class - Concrete subclass of DominatorTree that is used to compute the post-dominator tree. More...
#include <PostDominators.h>
Public Member Functions | |
| PostDominatorTree () | |
| ~PostDominatorTree () override | |
| bool | runOnFunction (Function &F) override |
| runOnFunction - Virtual method overriden by subclasses to do the per-function processing of the pass. More... | |
| void | getAnalysisUsage (AnalysisUsage &AU) const override |
| getAnalysisUsage - This function should be overriden by passes that need analysis information to do their job. More... | |
| const std::vector< BasicBlock * > & | getRoots () const |
| DomTreeNode * | getRootNode () const |
| DomTreeNode * | operator[] (BasicBlock *BB) const |
| DomTreeNode * | getNode (BasicBlock *BB) const |
| bool | dominates (DomTreeNode *A, DomTreeNode *B) const |
| bool | dominates (const BasicBlock *A, const BasicBlock *B) const |
| bool | properlyDominates (const DomTreeNode *A, DomTreeNode *B) const |
| bool | properlyDominates (BasicBlock *A, BasicBlock *B) const |
| BasicBlock * | findNearestCommonDominator (BasicBlock *A, BasicBlock *B) |
| const BasicBlock * | findNearestCommonDominator (const BasicBlock *A, const BasicBlock *B) |
| void | getDescendants (BasicBlock *R, SmallVectorImpl< BasicBlock * > &Result) const |
| Get all nodes post-dominated by R, including R itself. More... | |
| void | releaseMemory () override |
| releaseMemory() - This member can be implemented by a pass if it wants to be able to release its memory when it is no longer needed. More... | |
| void | print (raw_ostream &OS, const Module *) const override |
| print - Print out the internal state of the pass. More... | |
Public Member Functions inherited from llvm::FunctionPass | |
| FunctionPass (char &pid) | |
| Pass * | createPrinterPass (raw_ostream &O, const std::string &Banner) const override |
| createPrinterPass - Get a function printer pass. More... | |
| void | assignPassManager (PMStack &PMS, PassManagerType T) override |
| Find appropriate Function Pass Manager or Call Graph Pass Manager in the PM Stack and add self into that manager. More... | |
| PassManagerType | getPotentialPassManagerType () const override |
| Return what kind of Pass Manager can manage this pass. More... | |
Public Member Functions inherited from llvm::Pass | |
| Pass (PassKind K, char &pid) | |
| virtual | ~Pass () |
| PassKind | getPassKind () const |
| virtual const char * | getPassName () const |
| getPassName - Return a nice clean name for a pass. More... | |
| AnalysisID | getPassID () const |
| getPassID - Return the PassID number that corresponds to this pass. More... | |
| virtual bool | doInitialization (Module &) |
| doInitialization - Virtual method overridden by subclasses to do any necessary initialization before any pass is run. More... | |
| virtual bool | doFinalization (Module &) |
| doFinalization - Virtual method overriden by subclasses to do any necessary clean up after all passes have run. More... | |
| void | dump () const |
| virtual void | preparePassManager (PMStack &) |
| Check if available pass managers are suitable for this pass or not. More... | |
| void | setResolver (AnalysisResolver *AR) |
| AnalysisResolver * | getResolver () const |
| virtual void * | getAdjustedAnalysisPointer (AnalysisID ID) |
| getAdjustedAnalysisPointer - This method is used when a pass implements an analysis interface through multiple inheritance. More... | |
| virtual ImmutablePass * | getAsImmutablePass () |
| virtual PMDataManager * | getAsPMDataManager () |
| virtual void | verifyAnalysis () const |
| verifyAnalysis() - This member can be implemented by a analysis pass to check state of analysis information. More... | |
| virtual void | dumpPassStructure (unsigned Offset=0) |
| template<typename AnalysisType > | |
| AnalysisType * | getAnalysisIfAvailable () const |
| getAnalysisIfAvailable<AnalysisType>() - Subclasses use this function to get analysis information that might be around, for example to update it. More... | |
| bool | mustPreserveAnalysisID (char &AID) const |
| mustPreserveAnalysisID - This method serves the same function as getAnalysisIfAvailable, but works if you just have an AnalysisID. More... | |
| template<typename AnalysisType > | |
| AnalysisType & | getAnalysis () const |
| getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function. More... | |
| template<typename AnalysisType > | |
| AnalysisType & | getAnalysis (Function &F) |
| getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function. More... | |
| template<typename AnalysisType > | |
| AnalysisType & | getAnalysisID (AnalysisID PI) const |
| template<typename AnalysisType > | |
| AnalysisType & | getAnalysisID (AnalysisID PI, Function &F) |
Public Attributes | |
| DominatorTreeBase< BasicBlock > * | DT |
Static Public Attributes | |
| static char | ID = 0 |
Additional Inherited Members | |
Static Public Member Functions inherited from llvm::Pass | |
| static const PassInfo * | lookupPassInfo (const void *TI) |
| static const PassInfo * | lookupPassInfo (StringRef Arg) |
| static Pass * | createPass (AnalysisID ID) |
Protected Member Functions inherited from llvm::FunctionPass | |
| bool | skipOptnoneFunction (const Function &F) const |
| skipOptnoneFunction - This function has Attribute::OptimizeNone and most transformation passes should skip it. More... | |
PostDominatorTree Class - Concrete subclass of DominatorTree that is used to compute the post-dominator tree.
Definition at line 24 of file PostDominators.h.
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inline |
Definition at line 28 of file PostDominators.h.
References DT, llvm::PassRegistry::getPassRegistry(), and llvm::initializePostDominatorTreePass().
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Definition at line 38 of file PostDominators.cpp.
References DT.
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Definition at line 57 of file PostDominators.h.
References llvm::DominatorTreeBase< N >::dominates(), and DT.
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Definition at line 61 of file PostDominators.h.
References llvm::DominatorTreeBase< N >::dominates(), and DT.
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Definition at line 73 of file PostDominators.h.
References DT, and llvm::DominatorTreeBase< N >::findNearestCommonDominator().
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Definition at line 77 of file PostDominators.h.
References DT, and llvm::DominatorTreeBase< N >::findNearestCommonDominator().
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getAnalysisUsage - This function should be overriden by passes that need analysis information to do their job.
If a pass specifies that it uses a particular analysis result to this function, it can then use the getAnalysis<AnalysisType>() function, below.
Reimplemented from llvm::Pass.
Definition at line 37 of file PostDominators.h.
References llvm::AnalysisUsage::setPreservesAll().
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Get all nodes post-dominated by R, including R itself.
Definition at line 83 of file PostDominators.h.
References DT, and llvm::DominatorTreeBase< N >::getDescendants().
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Definition at line 53 of file PostDominators.h.
References DT, and llvm::DominatorTreeBase< N >::getNode().
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Definition at line 45 of file PostDominators.h.
References DT, and llvm::DominatorTreeBase< N >::getRootNode().
Referenced by llvm::GraphTraits< PostDominatorTree * >::getEntryNode(), and llvm::DOTGraphTraits< PostDominatorTree * >::getNodeLabel().
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Definition at line 41 of file PostDominators.h.
References DT, and llvm::DominatorBase< NodeT >::getRoots().
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Definition at line 49 of file PostDominators.h.
References DT, and llvm::DominatorTreeBase< N >::getNode().
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print - Print out the internal state of the pass.
This is called by Analyze to print out the contents of an analysis. Otherwise it is not necessary to implement this method. Beware that the module pointer MAY be null. This automatically forwards to a virtual function that does not provide the Module* in case the analysis doesn't need it it can just be ignored.
Reimplemented from llvm::Pass.
Definition at line 42 of file PostDominators.cpp.
References DT, and llvm::DominatorTreeBase< N >::print().
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Definition at line 65 of file PostDominators.h.
References DT, and llvm::DominatorTreeBase< N >::properlyDominates().
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Definition at line 69 of file PostDominators.h.
References DT, and llvm::DominatorTreeBase< N >::properlyDominates().
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releaseMemory() - This member can be implemented by a pass if it wants to be able to release its memory when it is no longer needed.
The default behavior of passes is to hold onto memory for the entire duration of their lifetime (which is the entire compile time). For pipelined passes, this is not a big deal because that memory gets recycled every time the pass is invoked on another program unit. For IP passes, it is more important to free memory when it is unused.
Optionally implement this function to release pass memory when it is no longer used.
Reimplemented from llvm::Pass.
Definition at line 88 of file PostDominators.h.
References DT, and llvm::DominatorTreeBase< N >::releaseMemory().
runOnFunction - Virtual method overriden by subclasses to do the per-function processing of the pass.
Implements llvm::FunctionPass.
| DominatorTreeBase<BasicBlock>* llvm::PostDominatorTree::DT |
Definition at line 26 of file PostDominators.h.
Referenced by dominates(), findNearestCommonDominator(), getDescendants(), getNode(), getRootNode(), getRoots(), operator[](), PostDominatorTree(), print(), properlyDominates(), releaseMemory(), and ~PostDominatorTree().
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Definition at line 25 of file PostDominators.h.
1.8.6