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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3042 91177308-0d34-0410-b5e6-96231b3b80d8
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
//===- llvm/Transforms/IPO.h - Interprocedural Transformations --*- C++ -*-===//
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//
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// This header file defines prototypes for accessor functions that expose passes
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// in the IPO transformations library.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_IPO_H
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#define LLVM_TRANSFORMS_IPO_H
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class Pass;
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class TargetData;
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//===----------------------------------------------------------------------===//
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// createConstantMergePass - This function returns a new pass that merges
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// duplicate global constants together into a single constant that is shared.
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// This is useful because some passes (ie TraceValues) insert a lot of string
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// constants into the program, regardless of whether or not they duplicate an
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// existing string.
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//
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Pass *createConstantMergePass();
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//===----------------------------------------------------------------------===//
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// createDeadTypeEliminationPass - Return a new pass that eliminates symbol
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// table entries for types that are never used.
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//
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Pass *createDeadTypeEliminationPass();
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//===----------------------------------------------------------------------===//
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// createGlobalDCEPass - This transform is designed to eliminate unreachable
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// internal globals (functions or global variables)
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//
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Pass *createGlobalDCEPass();
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//===----------------------------------------------------------------------===//
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// FunctionResolvingPass - Go over the functions that are in the module and
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// look for functions that have the same name. More often than not, there will
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// be things like:
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// void "foo"(...)
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// void "foo"(int, int)
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// because of the way things are declared in C. If this is the case, patch
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// things up.
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//
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// This is an interprocedural pass.
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//
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Pass *createFunctionResolvingPass();
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//===----------------------------------------------------------------------===//
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// createInternalizePass - This pass loops over all of the functions in the
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// input module, looking for a main function. If a main function is found, all
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// other functions are marked as internal.
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//
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Pass *createInternalizePass();
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//===----------------------------------------------------------------------===//
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// createPoolAllocatePass - This transform changes programs so that disjoint
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// data structures are allocated out of different pools of memory, increasing
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// locality and shrinking pointer size.
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//
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Pass *createPoolAllocatePass();
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//===----------------------------------------------------------------------===//
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// These passes are wrappers that can do a few simple structure mutation
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// transformations.
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//
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Pass *createSwapElementsPass(const TargetData &);
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Pass *createSortElementsPass(const TargetData &);
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#endif
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