-//===-- TransformInternals.h - Shared functions for Transforms ---*- C++ -*--=//
+//===-- 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.
#include <map>
#include <set>
-// TargetData Hack: Eventually we will have annotations given to us by the
-// backend so that we know stuff about type size and alignments. For now
-// though, just use this, because it happens to match the model that GCC uses.
-//
-// FIXME: This should use annotations
-//
-extern const TargetData TD;
+namespace llvm {
-static inline int getConstantValue(const ConstantInt *CPI) {
- if (const ConstantSInt *CSI = dyn_cast<ConstantSInt>(CPI))
- return (int)CSI->getValue();
- return (int)cast<ConstantUInt>(CPI)->getValue();
+static inline int64_t getConstantValue(const ConstantInt *CPI) {
+ return (int64_t)cast<ConstantInt>(CPI)->getRawValue();
}
return PT ? dyn_cast<CompositeType>(PT->getElementType()) : 0;
}
-// ConvertableToGEP - This function returns true if the specified value V is
-// a valid index into a pointer of type Ty. If it is valid, Idx is filled in
-// with the values that would be appropriate to make this a getelementptr
-// instruction. The type returned is the root type that the GEP would point
-// to if it were synthesized with this operands.
-//
-// If BI is nonnull, cast instructions are inserted as appropriate for the
-// arguments of the getelementptr.
-//
-const Type *ConvertableToGEP(const Type *Ty, Value *V,
- std::vector<Value*> &Indices,
- BasicBlock::iterator *BI = 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);
typedef std::map<const Value*, const Type*> ValueTypeCache;
-struct ValueMapCache {
+class ValueMapCache {
+public:
// Operands mapped - Contains an entry if the first value (the user) has had
// the second value (the operand) mapped already.
//
typedef std::map<const Value *, Value *> ExprMapTy;
// Cast Map - Cast instructions can have their source and destination values
- // changed independantly for each part. Because of this, our old naive
+ // 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.
};
-bool ExpressionConvertableToType(Value *V, const Type *Ty, ValueTypeCache &Map);
-Value *ConvertExpressionToType(Value *V, const Type *Ty, ValueMapCache &VMC);
+bool ExpressionConvertibleToType(Value *V, const Type *Ty, ValueTypeCache &Map,
+ const TargetData &TD);
+Value *ConvertExpressionToType(Value *V, const Type *Ty, ValueMapCache &VMC,
+ const TargetData &TD);
-// ValueConvertableToType - Return true if it is possible
-bool ValueConvertableToType(Value *V, const Type *Ty,
- ValueTypeCache &ConvertedTypes);
+// 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);
+void ConvertValueToNewType(Value *V, Value *NewVal, ValueMapCache &VMC,
+ const TargetData &TD);
// getStructOffsetType - Return a vector of offsets that are to be used to index
//
const Type *getStructOffsetType(const Type *Ty, unsigned &Offset,
std::vector<Value*> &Offsets,
- bool StopEarly = true);
+ const TargetData &TD, bool StopEarly = true);
+
+} // End llvm namespace
#endif