//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/Streams.h"
#include <vector>
-#include <deque>
-#include <map>
+#include <utility>
#include <iosfwd>
#include <cassert>
PMT_Last
};
-typedef enum PassManagerType PassManagerType;
-
//===----------------------------------------------------------------------===//
/// Pass interface - Implemented by all 'passes'. Subclass this if you are an
/// interprocedural optimization or you do not fit into any of the more
class Pass {
AnalysisResolver *Resolver; // Used to resolve analysis
intptr_t PassID;
-
// AnalysisImpls - This keeps track of which passes implement the interfaces
// that are required by the current pass (to implement getAnalysis()).
//
/// getPassName - Return a nice clean name for a pass. This usually
/// implemented in terms of the name that is registered by one of the
- /// Registration templates, but can be overloaded directly, and if nothing
- /// else is available, C++ RTTI will be consulted to get a SOMEWHAT
- /// intelligible name for the pass.
+ /// Registration templates, but can be overloaded directly.
///
virtual const char *getPassName() const;
///
const PassInfo *getPassInfo() const;
- /// runPass - Run this pass, returning true if a modification was made to the
- /// module argument. This should be implemented by all concrete subclasses.
- ///
- virtual bool runPass(Module &M) { return false; }
- virtual bool runPass(BasicBlock&) { 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
/// Each pass is responsible for assigning a pass manager to itself.
/// PMS is the stack of available pass manager.
- virtual void assignPassManager(PMStack &PMS,
- PassManagerType T = PMT_Unknown) {}
+ virtual void assignPassManager(PMStack &,
+ PassManagerType = PMT_Unknown) {}
/// Check if available pass managers are suitable for this pass or not.
- virtual void preparePassManager(PMStack &PMS) {}
+ virtual void preparePassManager(PMStack &) {}
/// Return what kind of Pass Manager can manage this pass.
virtual PassManagerType getPotentialPassManagerType() const {
Resolver = AR;
}
inline AnalysisResolver *getResolver() {
- assert (Resolver && "Resolver is not set");
return Resolver;
}
/// particular analysis result to this function, it can then use the
/// getAnalysis<AnalysisType>() function, below.
///
- virtual void getAnalysisUsage(AnalysisUsage &Info) const {
+ virtual void getAnalysisUsage(AnalysisUsage &) const {
// By default, no analysis results are used, all are invalidated.
}
/// being operated on.
virtual bool runOnModule(Module &M) = 0;
- virtual bool runPass(Module &M) { return runOnModule(M); }
- virtual bool runPass(BasicBlock&) { return false; }
-
virtual void assignPassManager(PMStack &PMS,
PassManagerType T = PMT_ModulePassManager);
/// ImmutablePasses are never run.
///
- bool runOnModule(Module &M) { return false; }
+ bool runOnModule(Module &) { return false; }
explicit ImmutablePass(intptr_t pid) : ModulePass(pid) {}
- explicit ImmutablePass(const void *pid) : ModulePass(pid) {}
+ explicit ImmutablePass(const void *pid)
+ : ModulePass(pid) {}
// Force out-of-line virtual method.
virtual ~ImmutablePass();
/// doInitialization - Virtual method overridden by subclasses to do
/// any necessary per-module initialization.
///
- virtual bool doInitialization(Module &M) { return false; }
+ virtual bool doInitialization(Module &) { return false; }
/// runOnFunction - Virtual method overriden by subclasses to do the
/// per-function processing of the pass.
/// doFinalization - Virtual method overriden by subclasses to do any post
/// processing needed after all passes have run.
///
- virtual bool doFinalization(Module &M) { return false; }
+ virtual bool doFinalization(Module &) { return false; }
/// runOnModule - On a module, we run this pass by initializing,
/// ronOnFunction'ing once for every function in the module, then by
/// doInitialization - Virtual method overridden by subclasses to do
/// any necessary per-module initialization.
///
- virtual bool doInitialization(Module &M) { return false; }
+ virtual bool doInitialization(Module &) { return false; }
/// doInitialization - Virtual method overridden by BasicBlockPass subclasses
/// to do any necessary per-function initialization.
///
- virtual bool doInitialization(Function &F) { return false; }
+ virtual bool doInitialization(Function &) { return false; }
/// runOnBasicBlock - Virtual method overriden by subclasses to do the
/// per-basicblock processing of the pass.
/// doFinalization - Virtual method overriden by BasicBlockPass subclasses to
/// do any post processing needed after all passes have run.
///
- virtual bool doFinalization(Function &F) { return false; }
+ virtual bool doFinalization(Function &) { return false; }
/// doFinalization - Virtual method overriden by subclasses to do any post
/// processing needed after all passes have run.
///
- virtual bool doFinalization(Module &M) { return false; }
+ virtual bool doFinalization(Module &) { return false; }
// To run this pass on a function, we simply call runOnBasicBlock once for
//
bool runOnFunction(Function &F);
- /// To run directly on the basic block, we initialize, runOnBasicBlock, then
- /// finalize.
- ///
- virtual bool runPass(Module &M) { return false; }
- virtual bool runPass(BasicBlock &BB);
-
virtual void assignPassManager(PMStack &PMS,
PassManagerType T = PMT_BasicBlockPassManager);
}
};
-/// PMStack
-/// Top level pass manager (see PasManager.cpp) maintains active Pass Managers
-/// using PMStack. Each Pass implements assignPassManager() to connect itself
-/// with appropriate manager. assignPassManager() walks PMStack to find
-/// suitable manager.
-///
-/// PMStack is just a wrapper around standard deque that overrides pop() and
-/// push() methods.
-class PMStack {
-public:
- typedef std::deque<PMDataManager *>::reverse_iterator iterator;
- iterator begin() { return S.rbegin(); }
- iterator end() { return S.rend(); }
-
- void handleLastUserOverflow();
-
- void pop();
- inline PMDataManager *top() { return S.back(); }
- void push(Pass *P);
- inline bool empty() { return S.empty(); }
-
- void dump();
-private:
- std::deque<PMDataManager *> S;
-};
-
-
/// If the user specifies the -time-passes argument on an LLVM tool command line
/// then the value of this boolean will be true, otherwise false.
/// @brief This is the storage for the -time-passes option.
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