// Passes are designed this way so that it is possible to run passes in a cache
// and organizationally optimal order without having to specify it at the front
// end. This allows arbitrary passes to be strung together and have them
-// executed as effeciently as possible.
+// executed as efficiently as possible.
//
// Passes should extend one of the classes below, depending on the guarantees
// that it can make about what will be modified as it is run. For example, most
PMT_CallGraphPassManager, ///< CGPassManager
PMT_FunctionPassManager, ///< FPPassManager
PMT_LoopPassManager, ///< LPPassManager
+ PMT_RegionPassManager, ///< RGPassManager
PMT_BasicBlockPassManager, ///< BBPassManager
PMT_Last
};
// Different types of passes.
enum PassKind {
PT_BasicBlock,
+ PT_Region,
PT_Loop,
PT_Function,
PT_CallGraphSCC,
PT_Module,
PT_PassManager
};
-
+
//===----------------------------------------------------------------------===//
/// Pass interface - Implemented by all 'passes'. Subclass this if you are an
/// interprocedural optimization or you do not fit into any of the more
void dump() const; // dump - Print to stderr.
/// createPrinterPass - Get a Pass appropriate to print the IR this
- /// pass operates one (Module, Function or MachineFunction).
+ /// pass operates on (Module, Function or MachineFunction).
virtual Pass *createPrinterPass(raw_ostream &O,
const std::string &Banner) const = 0;
virtual void verifyAnalysis() const;
// dumpPassStructure - Implement the -debug-passes=PassStructure option
- void dumpPass(unsigned Offset = 0);
+ virtual void dumpPassStructure(unsigned Offset = 0);
// lookupPassInfo - Return the pass info object for the specified pass class,
// or null if it is not known.
public:
explicit BasicBlockPass(char &pid) : Pass(PT_BasicBlock, pid) {}
- /// createPrinterPass - Get a function printer pass.
+ /// createPrinterPass - Get a basic block printer pass.
Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const;
/// doInitialization - Virtual method overridden by subclasses to do