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These files are supersumed by include/llvm/Transforms/Scalar.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2534 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner
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//===-- ConstantProp.h - Functions for Constant Propogation ------*- C++ -*--=//
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//
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// This family of functions are useful for performing constant propogation.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SCALAR_CONSTANT_PROPOGATION_H
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#define LLVM_TRANSFORMS_SCALAR_CONSTANT_PROPOGATION_H
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class Pass;
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//===----------------------------------------------------------------------===//
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// Normal Constant Propogation Pass
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//
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Pass *createConstantPropogationPass();
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//===----------------------------------------------------------------------===//
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// Sparse Conditional Constant Propogation Pass
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//
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Pass *createSCCPPass();
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#endif
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//===-- DCE.h - Passes that perform Dead Code Elimination --------*- C++ -*--=//
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//
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// This family of passes is useful for performing dead code elimination of
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// various strengths.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SCALAR_DCE_H
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#define LLVM_TRANSFORMS_SCALAR_DCE_H
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class Pass;
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//===----------------------------------------------------------------------===//
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// DeadInstElimination - This pass quickly removes trivially dead instructions
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// without modifying the CFG of the function. It is a BasicBlockPass, so it
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// runs efficiently when queued next to other BasicBlockPass's.
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//
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Pass *createDeadInstEliminationPass();
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//===----------------------------------------------------------------------===//
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// DeadCodeElimination - This pass is more powerful than DeadInstElimination,
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// because it will remove dead basic blocks as well as all of the instructions
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// contained within them. This pass is useful to run after another pass has
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// reorganized the CFG and possibly modified control flow.
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//
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// TODO: In addition to DCE stuff, this also merges basic blocks together and
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// otherwise simplifies control flow. This should be factored out of this pass
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// eventually into it's own pass.
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//
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Pass *createDeadCodeEliminationPass();
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//===----------------------------------------------------------------------===//
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// AgressiveDCE - This pass uses the SSA based Agressive DCE algorithm. This
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// algorithm assumes instructions are dead until proven otherwise, which makes
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// it more successful are removing non-obviously dead instructions.
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//
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Pass *createAgressiveDCEPass();
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#endif
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//===- llvm/Transforms/DecomposeMultiDimRefs.h - Lower multi-dim refs --*- C++ -*--=//
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//
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// DecomposeMultiDimRefs -
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// Convert multi-dimensional references consisting of any combination
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// of 2 or more array and structure indices into a sequence of
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// instructions (using getelementpr and cast) so that each instruction
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// has at most one index (except structure references,
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// which need an extra leading index of [0]).
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//
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//===---------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SCALAR_DECOMPOSEMULTIDIMREFS_H
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#define LLVM_TRANSFORMS_SCALAR_DECOMPOSEMULTIDIMREFS_H
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class Pass;
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Pass *createDecomposeMultiDimRefsPass();
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#endif
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//===-- GCSE.h - SSA based Global Common Subexpr Elimination -----*- C++ -*--=//
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//
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// This pass is designed to be a very quick global transformation that
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// eliminates global common subexpressions from a function. It does this by
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// examining the SSA value graph of the function, instead of doing slow
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// bit-vector computations.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SCALAR_GCSE_H
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#define LLVM_TRANSFORMS_SCALAR_GCSE_H
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class Pass;
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Pass *createGCSEPass();
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#endif
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//===- llvm/Transforms/Scalar/IndVarSimplify.h - IV Eliminate ----*- C++ -*--=//
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//
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// InductionVariableSimplify - Transform induction variables in a program
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// to all use a single cannonical induction variable per loop.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SCALAR_INDVARSIMPLIFY_H
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#define LLVM_TRANSFORMS_SCALAR_INDVARSIMPLIFY_H
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class Pass;
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Pass *createIndVarSimplifyPass();
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#endif
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//===- llvm/Transforms/Scalar/InstructionCombining.h -------------*- C++ -*--=//
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//
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// InstructionCombining - Combine instructions to form fewer, simple
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// instructions. This pass does not modify the CFG, and has a tendancy to
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// make instructions dead, so a subsequent DCE pass is useful.
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//
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// This pass combines things like:
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// %Y = add int 1, %X
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// %Z = add int 1, %Y
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// into:
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// %Z = add int 2, %X
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SCALAR_INSTRUCTIONCOMBINING_H
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#define LLVM_TRANSFORMS_SCALAR_INSTRUCTIONCOMBINING_H
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class Pass;
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Pass *createInstructionCombiningPass();
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#endif
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//===- PromoteMemoryToRegister.h - Convert memory refs to regs ---*- C++ -*--=//
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//
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// This pass is used to promote memory references to be register references. A
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// simple example of the transformation performed by this pass is:
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//
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// FROM CODE TO CODE
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// %X = alloca int, uint 1 ret int 42
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// store int 42, int *%X
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// %Y = load int* %X
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// ret int %Y
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SCALAR_PROMOTEMEMORYTOREGISTER_H
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#define LLVM_TRANSFORMS_SCALAR_PROMOTEMEMORYTOREGISTER_H
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class Pass;
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// createPromoteMemoryToRegister - Return the pass to perform this
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// transformation.
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Pass *createPromoteMemoryToRegister();
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#endif
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//===-- SymbolStripping.h - Functions that Strip Symbol Tables ---*- C++ -*--=//
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//
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// This family of functions removes symbols from the symbol tables of methods
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// and classes.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SYMBOL_STRIPPING_H
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#define LLVM_TRANSFORMS_SYMBOL_STRIPPING_H
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class Pass;
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Pass *createSymbolStrippingPass();
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Pass *createFullSymbolStrippingPass();
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#endif
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