-//===- llvm/Analysis/Expressions.h - Expression Analysis Utils ---*- C++ -*--=//
+//===- llvm/Analysis/Expressions.h - Expression Analysis Utils --*- 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 file defines a package of expression analysis utilties:
//
-// ClassifyExpression: Analyze an expression to determine the complexity of the
-// expression, and which other variables it depends on.
+// ClassifyExpr: Analyze an expression to determine the complexity of the
+// expression, and which other variables it depends on.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ANALYSIS_EXPRESSIONS_H
#define LLVM_ANALYSIS_EXPRESSIONS_H
+namespace llvm {
+
class Type;
class Value;
class ConstantInt;
struct ExprType;
-// ClassifyExpression: Analyze an expression to determine the complexity of the
-// expression, and which other values it depends on.
-//
-ExprType ClassifyExpression(Value *Expr);
+/// ClassifyExpr - Analyze an expression to determine the complexity of the
+/// expression, and which other values it depends on.
+///
+ExprType ClassifyExpr(Value *Expr);
-// ExprType - Represent an expression of the form CONST*VAR+CONST
-// or simpler. The expression form that yields the least information about the
-// expression is just the Linear form with no offset.
-//
+/// ExprType Class - Represent an expression of the form CONST*VAR+CONST
+/// or simpler. The expression form that yields the least information about the
+/// expression is just the Linear form with no offset.
+///
struct ExprType {
enum ExpressionType {
Constant, // Expr is a simple constant, Offset is value
ExprType(Value *Val); // Create a linear or constant expression
ExprType(const ConstantInt *scale, Value *var, const ConstantInt *offset);
- // If this expression has an intrinsic type, return it. If it is zero, return
- // the specified type.
- //
+ /// If this expression has an intrinsic type, return it. If it is zero,
+ /// return the specified type.
+ ///
const Type *getExprType(const Type *Default) const;
};
+} // End llvm namespace
+
#endif