#ifndef LLVM_PASS_H
#define LLVM_PASS_H
+#include "llvm/Support/Compiler.h"
#include <string>
namespace llvm {
AnalysisResolver *Resolver; // Used to resolve analysis
const void *PassID;
PassKind Kind;
- void operator=(const Pass&); // DO NOT IMPLEMENT
- Pass(const Pass &); // DO NOT IMPLEMENT
+ void operator=(const Pass&) = delete;
+ Pass(const Pass &) = delete;
public:
- explicit Pass(PassKind K, char &pid) : Resolver(0), PassID(&pid), Kind(K) { }
+ explicit Pass(PassKind K, char &pid)
+ : Resolver(nullptr), PassID(&pid), Kind(K) { }
virtual ~Pass();
return PassID;
}
+ /// doInitialization - Virtual method overridden by subclasses to do
+ /// any necessary initialization before any pass is run.
+ ///
+ virtual bool doInitialization(Module &) { return false; }
+
+ /// doFinalization - Virtual method overriden by subclasses to do any
+ /// necessary clean up after all passes have run.
+ ///
+ virtual bool doFinalization(Module &) { return false; }
+
/// 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
class ModulePass : public Pass {
public:
/// createPrinterPass - Get a module printer pass.
- Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const;
+ Pass *createPrinterPass(raw_ostream &O,
+ const std::string &Banner) const override;
/// runOnModule - Virtual method overriden by subclasses to process the module
/// being operated on.
virtual bool runOnModule(Module &M) = 0;
- virtual void assignPassManager(PMStack &PMS,
- PassManagerType T);
+ void assignPassManager(PMStack &PMS, PassManagerType T) override;
/// Return what kind of Pass Manager can manage this pass.
- virtual PassManagerType getPotentialPassManagerType() const;
+ PassManagerType getPotentialPassManagerType() const override;
explicit ModulePass(char &pid) : Pass(PT_Module, pid) {}
// Force out-of-line virtual method.
- virtual ~ModulePass();
+ ~ModulePass() override;
};
///
virtual void initializePass();
- virtual ImmutablePass *getAsImmutablePass() { return this; }
+ ImmutablePass *getAsImmutablePass() override { return this; }
/// ImmutablePasses are never run.
///
- bool runOnModule(Module &) { return false; }
+ bool runOnModule(Module &) override { return false; }
explicit ImmutablePass(char &pid)
: ModulePass(pid) {}
// Force out-of-line virtual method.
- virtual ~ImmutablePass();
+ ~ImmutablePass() override;
};
//===----------------------------------------------------------------------===//
explicit FunctionPass(char &pid) : Pass(PT_Function, pid) {}
/// createPrinterPass - Get a function printer pass.
- Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const;
-
- /// doInitialization - Virtual method overridden by subclasses to do
- /// any necessary per-module initialization.
- ///
- virtual bool doInitialization(Module &);
+ Pass *createPrinterPass(raw_ostream &O,
+ const std::string &Banner) const override;
/// runOnFunction - Virtual method overriden by subclasses to do the
/// per-function processing of the pass.
///
virtual bool runOnFunction(Function &F) = 0;
- /// doFinalization - Virtual method overriden by subclasses to do any post
- /// processing needed after all passes have run.
- ///
- virtual bool doFinalization(Module &);
-
- virtual void assignPassManager(PMStack &PMS,
- PassManagerType T);
+ void assignPassManager(PMStack &PMS, PassManagerType T) override;
/// Return what kind of Pass Manager can manage this pass.
- virtual PassManagerType getPotentialPassManagerType() const;
+ PassManagerType getPotentialPassManagerType() const override;
+
+protected:
+ /// skipOptnoneFunction - This function has Attribute::OptimizeNone
+ /// and most transformation passes should skip it.
+ bool skipOptnoneFunction(const Function &F) const;
};
explicit BasicBlockPass(char &pid) : Pass(PT_BasicBlock, pid) {}
/// createPrinterPass - Get a basic block printer pass.
- Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const;
+ Pass *createPrinterPass(raw_ostream &O,
+ const std::string &Banner) const override;
- /// doInitialization - Virtual method overridden by subclasses to do
- /// any necessary per-module initialization.
- ///
- virtual bool doInitialization(Module &);
+ using llvm::Pass::doInitialization;
+ using llvm::Pass::doFinalization;
/// doInitialization - Virtual method overridden by BasicBlockPass subclasses
/// to do any necessary per-function initialization.
///
virtual bool doFinalization(Function &);
- /// doFinalization - Virtual method overriden by subclasses to do any post
- /// processing needed after all passes have run.
- ///
- virtual bool doFinalization(Module &);
-
- virtual void assignPassManager(PMStack &PMS,
- PassManagerType T);
+ void assignPassManager(PMStack &PMS, PassManagerType T) override;
/// Return what kind of Pass Manager can manage this pass.
- virtual PassManagerType getPotentialPassManagerType() const;
+ PassManagerType getPotentialPassManagerType() const override;
+
+protected:
+ /// skipOptnoneFunction - Containing function has Attribute::OptimizeNone
+ /// and most transformation passes should skip it.
+ bool skipOptnoneFunction(const BasicBlock &BB) const;
};
/// If the user specifies the -time-passes argument on an LLVM tool command line
/// @brief This is the storage for the -time-passes option.
extern bool TimePassesIsEnabled;
+/// isFunctionInPrintList - returns true if a function should be printed via
+// debugging options like -print-after-all/-print-before-all.
+// @brief Tells if the function IR should be printed by PrinterPass.
+extern bool isFunctionInPrintList(StringRef FunctionName);
} // End llvm namespace
// Include support files that contain important APIs commonly used by Passes,