//===- llvm/Transforms/IPO.h - Interprocedural Transformations --*- C++ -*-===//
-//
+//
// 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.
+//
//===----------------------------------------------------------------------===//
//
// This header file defines prototypes for accessor functions that expose passes
#ifndef LLVM_TRANSFORMS_IPO_H
#define LLVM_TRANSFORMS_IPO_H
-#include <vector>
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
namespace llvm {
+class FunctionInfoIndex;
+class ModulePass;
class Pass;
class Function;
class BasicBlock;
+class GlobalValue;
//===----------------------------------------------------------------------===//
-/// createLowerSetJmpPass - This function lowers the setjmp/longjmp intrinsics
-/// to invoke/unwind instructions. This should really be part of the C/C++
-/// front-end, but it's so much easier to write transformations in LLVM proper.
-///
-Pass* createLowerSetJmpPass();
+//
+// 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);
//===----------------------------------------------------------------------===//
-/// 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 strips symbols from functions and modules.
+// Only debugging information is not stripped.
+//
+ModulePass *createStripNonDebugSymbolsPass();
//===----------------------------------------------------------------------===//
-/// createGlobalConstifierPass - This function returns a new pass that marks
-/// internal globals "constant" if they are provably never written to.
-///
-Pass *createGlobalConstifierPass();
+//
+// These pass removes llvm.dbg.declare intrinsics.
+ModulePass *createStripDebugDeclarePass();
+//===----------------------------------------------------------------------===//
+//
+// These pass removes unused symbols' debug info.
+ModulePass *createStripDeadDebugInfoPass();
//===----------------------------------------------------------------------===//
-/// createRaiseAllocationsPass - Return a new pass that transforms malloc and
-/// free function calls into malloc and free instructions.
+/// 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 *createRaiseAllocationsPass();
-
+ModulePass *createConstantMergePass();
//===----------------------------------------------------------------------===//
-/// createDeadTypeEliminationPass - Return a new pass that eliminates symbol
-/// table entries for types that are never used.
+/// createGlobalOptimizerPass - This function returns a new pass that optimizes
+/// non-address taken internal globals.
///
-Pass *createDeadTypeEliminationPass();
-
+ModulePass *createGlobalOptimizerPass();
//===----------------------------------------------------------------------===//
/// createGlobalDCEPass - This transform is designed to eliminate unreachable
/// internal globals (functions or global variables)
///
-Pass *createGlobalDCEPass();
-
+ModulePass *createGlobalDCEPass();
//===----------------------------------------------------------------------===//
-/// createFunctionExtractionPass - If deleteFn is true, this pass deletes as
-/// the specified function. Otherwise, it deletes as much of the module as
-/// possible, except for the function specified.
+/// This transform is designed to eliminate available external globals
+/// (functions or global variables)
///
-Pass *createFunctionExtractionPass(Function *F, bool deleteFn = false);
-
+ModulePass *createEliminateAvailableExternallyPass();
//===----------------------------------------------------------------------===//
-/// 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.
+/// 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.
///
-Pass *createFunctionResolvingPass();
+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);
+
+//===----------------------------------------------------------------------===//
+/// 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
//===----------------------------------------------------------------------===//
/// 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.
+/// 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.
///
-Pass *createInternalizePass();
+/// 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.
///
-Pass *createDeadArgEliminationPass();
+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.
-Pass *createDeadArgHackingPass();
+ModulePass *createDeadArgHackingPass();
//===----------------------------------------------------------------------===//
/// createArgumentPromotionPass - This pass promotes "by reference" arguments to
-/// be passed by value.
+/// be passed by value if the number of elements passed is smaller or
+/// equal to maxElements (maxElements == 0 means always promote).
///
-Pass *createArgumentPromotionPass();
+Pass *createArgumentPromotionPass(unsigned maxElements = 3);
//===----------------------------------------------------------------------===//
/// createIPConstantPropagationPass - This pass propagates constants from call
/// sites into the bodies of functions.
///
-Pass *createIPConstantPropagationPass();
+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();
//===----------------------------------------------------------------------===//
//
+/// 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.
+/// 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();
+
+//===----------------------------------------------------------------------===//
+/// 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 *llvm::createBlockExtractorPass(std::vector<BasicBlock*> &BTNE);
+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
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