//===- llvm/Transforms/IPO.h - Interprocedural Transformations --*- C++ -*-===//
//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
// This header file defines prototypes for accessor functions that expose passes
// in the IPO transformations library.
//
#ifndef LLVM_TRANSFORMS_IPO_H
#define LLVM_TRANSFORMS_IPO_H
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+
+namespace llvm {
+
+class FunctionInfoIndex;
+class ModulePass;
class Pass;
class Function;
+class BasicBlock;
+class GlobalValue;
//===----------------------------------------------------------------------===//
-// createConstantMergePass - This function returns a new pass that merges
-// duplicate global constants together into a single constant that is shared.
-// This is useful because some passes (ie TraceValues) insert a lot of string
-// constants into the program, regardless of whether or not they duplicate an
-// existing string.
//
-Pass *createConstantMergePass();
-
+// These functions removes symbols from functions and modules. If OnlyDebugInfo
+// is true, only debugging information is removed from the module.
+//
+ModulePass *createStripSymbolsPass(bool OnlyDebugInfo = false);
//===----------------------------------------------------------------------===//
-// createDeadTypeEliminationPass - Return a new pass that eliminates symbol
-// table entries for types that are never used.
//
-Pass *createDeadTypeEliminationPass();
+// These functions strips symbols from functions and modules.
+// Only debugging information is not stripped.
+//
+ModulePass *createStripNonDebugSymbolsPass();
+//===----------------------------------------------------------------------===//
+//
+// These pass removes llvm.dbg.declare intrinsics.
+ModulePass *createStripDebugDeclarePass();
//===----------------------------------------------------------------------===//
-// createGlobalDCEPass - This transform is designed to eliminate unreachable
-// internal globals (functions or global variables)
//
-Pass *createGlobalDCEPass();
+// These pass removes unused symbols' debug info.
+ModulePass *createStripDeadDebugInfoPass();
+//===----------------------------------------------------------------------===//
+/// createConstantMergePass - This function returns a new pass that merges
+/// duplicate global constants together into a single constant that is shared.
+/// This is useful because some passes (ie TraceValues) insert a lot of string
+/// constants into the program, regardless of whether or not they duplicate an
+/// existing string.
+///
+ModulePass *createConstantMergePass();
//===----------------------------------------------------------------------===//
-// createFunctionExtractionPass - This pass deletes as much of the module as
-// possible, except for the function specified.
-//
-Pass *createFunctionExtractionPass(Function *F);
+/// createGlobalOptimizerPass - This function returns a new pass that optimizes
+/// non-address taken internal globals.
+///
+ModulePass *createGlobalOptimizerPass();
+//===----------------------------------------------------------------------===//
+/// createGlobalDCEPass - This transform is designed to eliminate unreachable
+/// internal globals (functions or global variables)
+///
+ModulePass *createGlobalDCEPass();
//===----------------------------------------------------------------------===//
-// FunctionResolvingPass - Go over the functions that are in the module and
-// look for functions that have the same name. More often than not, there will
-// be things like:
-// void "foo"(...)
-// void "foo"(int, int)
-// because of the way things are declared in C. If this is the case, patch
-// things up.
-//
-// This is an interprocedural pass.
-//
-Pass *createFunctionResolvingPass();
+/// This transform is designed to eliminate available external globals
+/// (functions or global variables)
+///
+ModulePass *createEliminateAvailableExternallyPass();
//===----------------------------------------------------------------------===//
-// createFunctionInliningPass - Return a new pass object that uses a heuristic
-// to inline direct function calls to small functions.
-//
+/// createGVExtractionPass - If deleteFn is true, this pass deletes
+/// the specified global values. Otherwise, it deletes as much of the module as
+/// possible, except for the global values specified.
+///
+ModulePass *createGVExtractionPass(std::vector<GlobalValue*>& GVs, bool
+ deleteFn = false);
+
+//===----------------------------------------------------------------------===//
+/// This pass performs iterative function importing from other modules.
+Pass *createFunctionImportPass(FunctionInfoIndex *Index = nullptr);
+
+//===----------------------------------------------------------------------===//
+/// createFunctionInliningPass - Return a new pass object that uses a heuristic
+/// to inline direct function calls to small functions.
+///
+/// The Threshold can be passed directly, or asked to be computed from the
+/// given optimization and size optimization arguments.
+///
+/// The -inline-threshold command line option takes precedence over the
+/// threshold given here.
Pass *createFunctionInliningPass();
+Pass *createFunctionInliningPass(int Threshold);
+Pass *createFunctionInliningPass(unsigned OptLevel, unsigned SizeOptLevel);
//===----------------------------------------------------------------------===//
-// createInternalizePass - This pass loops over all of the functions in the
-// input module, looking for a main function. If a main function is found, all
-// other functions are marked as internal.
-//
-Pass *createInternalizePass();
+/// createAlwaysInlinerPass - Return a new pass object that inlines only
+/// functions that are marked as "always_inline".
+Pass *createAlwaysInlinerPass();
+Pass *createAlwaysInlinerPass(bool InsertLifetime);
+
+//===----------------------------------------------------------------------===//
+/// createPruneEHPass - Return a new pass object which transforms invoke
+/// instructions into calls, if the callee can _not_ unwind the stack.
+///
+Pass *createPruneEHPass();
+
+//===----------------------------------------------------------------------===//
+/// createInternalizePass - This pass loops over all of the functions in the
+/// input module, internalizing all globals (functions and variables) it can.
+////
+/// The symbols in \p ExportList are never internalized.
+///
+/// The symbol in DSOList are internalized if it is safe to drop them from
+/// the symbol table.
+///
+/// Note that commandline options that are used with the above function are not
+/// used now!
+ModulePass *createInternalizePass(ArrayRef<const char *> ExportList);
+/// createInternalizePass - Same as above, but with an empty exportList.
+ModulePass *createInternalizePass();
+
+//===----------------------------------------------------------------------===//
+/// createDeadArgEliminationPass - This pass removes arguments from functions
+/// which are not used by the body of the function.
+///
+ModulePass *createDeadArgEliminationPass();
+
+/// DeadArgHacking pass - Same as DAE, but delete arguments of external
+/// functions as well. This is definitely not safe, and should only be used by
+/// bugpoint.
+ModulePass *createDeadArgHackingPass();
+
+//===----------------------------------------------------------------------===//
+/// createArgumentPromotionPass - This pass promotes "by reference" arguments to
+/// be passed by value if the number of elements passed is smaller or
+/// equal to maxElements (maxElements == 0 means always promote).
+///
+Pass *createArgumentPromotionPass(unsigned maxElements = 3);
+
+//===----------------------------------------------------------------------===//
+/// createIPConstantPropagationPass - This pass propagates constants from call
+/// sites into the bodies of functions.
+///
+ModulePass *createIPConstantPropagationPass();
+
+//===----------------------------------------------------------------------===//
+/// createIPSCCPPass - This pass propagates constants from call sites into the
+/// bodies of functions, and keeps track of whether basic blocks are executable
+/// in the process.
+///
+ModulePass *createIPSCCPPass();
//===----------------------------------------------------------------------===//
-// createDeadArgEliminationPass - This pass removes arguments from functions
-// which are not used by the body of the function. If
-// DeleteFromExternalFunctions is true, the pass will modify functions that have
-// external linkage, which is not usually safe (this is used by bugpoint to
-// reduce testcases).
//
-Pass *createDeadArgEliminationPass(bool DeleteFromExternalFunctions=false);
+/// createLoopExtractorPass - This pass extracts all natural loops from the
+/// program into a function if it can.
+///
+Pass *createLoopExtractorPass();
+
+/// createSingleLoopExtractorPass - This pass extracts one natural loop from the
+/// program into a function if it can. This is used by bugpoint.
+///
+Pass *createSingleLoopExtractorPass();
+
+/// createBlockExtractorPass - This pass extracts all blocks (except those
+/// specified in the argument list) from the functions in the module.
+///
+ModulePass *createBlockExtractorPass();
+/// createStripDeadPrototypesPass - This pass removes any function declarations
+/// (prototypes) that are not used.
+ModulePass *createStripDeadPrototypesPass();
//===----------------------------------------------------------------------===//
-// These passes are wrappers that can do a few simple structure mutation
-// transformations.
+/// createFunctionAttrsPass - This pass discovers functions that do not access
+/// memory, or only read memory, and gives them the readnone/readonly attribute.
+/// It also discovers function arguments that are not captured by the function
+/// and marks them with the nocapture attribute.
+///
+Pass *createFunctionAttrsPass();
+
+//===----------------------------------------------------------------------===//
+/// createMergeFunctionsPass - This pass discovers identical functions and
+/// collapses them.
+///
+ModulePass *createMergeFunctionsPass();
+
+//===----------------------------------------------------------------------===//
+/// createPartialInliningPass - This pass inlines parts of functions.
+///
+ModulePass *createPartialInliningPass();
+
+//===----------------------------------------------------------------------===//
+// createMetaRenamerPass - Rename everything with metasyntatic names.
//
-Pass *createSwapElementsPass();
-Pass *createSortElementsPass();
+ModulePass *createMetaRenamerPass();
+
+//===----------------------------------------------------------------------===//
+/// createBarrierNoopPass - This pass is purely a module pass barrier in a pass
+/// manager.
+ModulePass *createBarrierNoopPass();
+
+/// \brief This pass lowers bitset metadata and the llvm.bitset.test intrinsic
+/// to bitsets.
+ModulePass *createLowerBitSetsPass();
+
+//===----------------------------------------------------------------------===//
+// SampleProfilePass - Loads sample profile data from disk and generates
+// IR metadata to reflect the profile.
+ModulePass *createSampleProfileLoaderPass();
+ModulePass *createSampleProfileLoaderPass(StringRef Name);
+
+} // End llvm namespace
#endif
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