diff --git a/lib/Transforms/TransformInternals.h b/lib/Transforms/TransformInternals.h deleted file mode 100644 index 4e289048338..00000000000 --- a/lib/Transforms/TransformInternals.h +++ /dev/null @@ -1,134 +0,0 @@ -//===-- TransformInternals.h - Shared functions for Transforms --*- 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 header file declares shared functions used by the different components -// of the Transforms library. -// -//===----------------------------------------------------------------------===// - -#ifndef TRANSFORM_INTERNALS_H -#define TRANSFORM_INTERNALS_H - -#include "llvm/BasicBlock.h" -#include "llvm/Target/TargetData.h" -#include "llvm/DerivedTypes.h" -#include "llvm/Constants.h" -#include -#include - -namespace llvm { - -static inline int64_t getConstantValue(const ConstantInt *CPI) { - return (int64_t)cast(CPI)->getZExtValue(); -} - - -// getPointedToComposite - If the argument is a pointer type, and the pointed to -// value is a composite type, return the composite type, else return null. -// -static inline const CompositeType *getPointedToComposite(const Type *Ty) { - const PointerType *PT = dyn_cast(Ty); - return PT ? dyn_cast(PT->getElementType()) : 0; -} - - -//===----------------------------------------------------------------------===// -// ValueHandle Class - Smart pointer that occupies a slot on the users USE list -// that prevents it from being destroyed. This "looks" like an Instruction -// with Opcode UserOp1. -// -class ValueMapCache; -class ValueHandle : public Instruction { - Use Op; - ValueMapCache &Cache; -public: - ValueHandle(ValueMapCache &VMC, Value *V); - ValueHandle(const ValueHandle &); - ~ValueHandle(); - - virtual Instruction *clone() const { abort(); return 0; } - - virtual const char *getOpcodeName() const { - return "ValueHandle"; - } - - inline bool operator<(const ValueHandle &VH) const { - return getOperand(0) < VH.getOperand(0); - } - - // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const ValueHandle *) { return true; } - static inline bool classof(const Instruction *I) { - return (I->getOpcode() == Instruction::UserOp1); - } - static inline bool classof(const Value *V) { - return isa(V) && classof(cast(V)); - } -}; - - -// ------------- Expression Conversion --------------------- - -typedef std::map ValueTypeCache; - -class ValueMapCache { -public: - // Operands mapped - Contains an entry if the first value (the user) has had - // the second value (the operand) mapped already. - // - std::set OperandsMapped; - - // Expression Map - Contains an entry from the old value to the new value of - // an expression that has been converted over. - // - std::map ExprMap; - typedef std::map ExprMapTy; - - // Cast Map - Cast instructions can have their source and destination values - // changed independently for each part. Because of this, our old naive - // implementation would create a TWO new cast instructions, which would cause - // all kinds of problems. Here we keep track of the newly allocated casts, so - // that we only create one for a particular instruction. - // - std::set NewCasts; -}; - - -bool ExpressionConvertibleToType(Value *V, const Type *Ty, ValueTypeCache &Map, - const TargetData &TD); -Value *ConvertExpressionToType(Value *V, const Type *Ty, ValueMapCache &VMC, - const TargetData &TD); - -// ValueConvertibleToType - Return true if it is possible -bool ValueConvertibleToType(Value *V, const Type *Ty, - ValueTypeCache &ConvertedTypes, - const TargetData &TD); - -void ConvertValueToNewType(Value *V, Value *NewVal, ValueMapCache &VMC, - const TargetData &TD); - - -// getStructOffsetType - Return a vector of offsets that are to be used to index -// into the specified struct type to get as close as possible to index as we -// can. Note that it is possible that we cannot get exactly to Offset, in which -// case we update offset to be the offset we actually obtained. The resultant -// leaf type is returned. -// -// If StopEarly is set to true (the default), the first object with the -// specified type is returned, even if it is a struct type itself. In this -// case, this routine will not drill down to the leaf type. Set StopEarly to -// false if you want a leaf -// -const Type *getStructOffsetType(const Type *Ty, unsigned &Offset, - std::vector &Offsets, - const TargetData &TD, bool StopEarly = true); - -} // End llvm namespace - -#endif