//
// 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.
//
//===----------------------------------------------------------------------===//
//
#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 FunctionPass;
+class FunctionInfoIndex;
class ModulePass;
class Pass;
class Function;
class BasicBlock;
+class GlobalValue;
//===----------------------------------------------------------------------===//
//
ModulePass *createStripSymbolsPass(bool OnlyDebugInfo = false);
//===----------------------------------------------------------------------===//
-/// 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.
-///
-ModulePass* createLowerSetJmpPass();
+//
+// 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();
+
+//===----------------------------------------------------------------------===//
+//
+// These pass removes unused symbols' debug info.
+ModulePass *createStripDeadDebugInfoPass();
//===----------------------------------------------------------------------===//
/// createConstantMergePass - This function returns a new pass that merges
///
ModulePass *createConstantMergePass();
-
//===----------------------------------------------------------------------===//
/// createGlobalOptimizerPass - This function returns a new pass that optimizes
/// non-address taken internal globals.
///
ModulePass *createGlobalOptimizerPass();
-
-//===----------------------------------------------------------------------===//
-/// createRaiseAllocationsPass - Return a new pass that transforms malloc and
-/// free function calls into malloc and free instructions.
-///
-ModulePass *createRaiseAllocationsPass();
-
-
-//===----------------------------------------------------------------------===//
-/// createDeadTypeEliminationPass - Return a new pass that eliminates symbol
-/// table entries for types that are never used.
-///
-ModulePass *createDeadTypeEliminationPass();
-
-
//===----------------------------------------------------------------------===//
/// createGlobalDCEPass - This transform is designed to eliminate unreachable
/// internal globals (functions or global variables)
///
ModulePass *createGlobalDCEPass();
+//===----------------------------------------------------------------------===//
+/// This transform is designed to eliminate available external globals
+/// (functions or global variables)
+///
+ModulePass *createEliminateAvailableExternallyPass();
//===----------------------------------------------------------------------===//
-/// 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.
+/// 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 *createFunctionExtractionPass(Function *F, bool deleteFn = false,
- bool relinkCallees = false);
+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 list of symbols is
-/// specified with the -internalize-public-api-* command line options, those
-/// symbols are internalized. Otherwise if InternalizeEverything is set and
-/// the main function is found, all other globals 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.
///
-ModulePass *createInternalizePass(bool InternalizeEverything);
-ModulePass *createInternalizePass(const std::vector<const char *> &exportList);
+/// 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
//===----------------------------------------------------------------------===//
/// 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
/// createLoopExtractorPass - This pass extracts all natural loops from the
/// program into a function if it can.
///
-FunctionPass *createLoopExtractorPass();
+Pass *createLoopExtractorPass();
/// createSingleLoopExtractorPass - This pass extracts one natural loop from the
/// program into a function if it can. This is used by bugpoint.
///
-FunctionPass *createSingleLoopExtractorPass();
+Pass *createSingleLoopExtractorPass();
/// createBlockExtractorPass - This pass extracts all blocks (except those
/// specified in the argument list) from the functions in the module.
///
-ModulePass *createBlockExtractorPass(const std::vector<BasicBlock*> &BTNE);
-
-/// createOptimizeWellKnownCallsPass - This pass optimizes specific calls to
-/// specific well-known (library) functions.
-ModulePass *createSimplifyLibCallsPass();
-
-
-/// createIndMemRemPass - This pass removes potential indirect calls of
-/// malloc and free
-ModulePass *createIndMemRemPass();
+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.
+//
+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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