remove a dead header

llvm-svn: 24084

llvm/include/llvm/Analysis/Expressions.h

@@ -1,63 +0,0 @@
-//===- 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:
-//
-// 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;
-
-/// ClassifyExpr - Analyze an expression to determine the complexity of the
-/// expression, and which other values it depends on.
-///
-ExprType ClassifyExpr(Value *Expr);
-
-/// 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
-    Linear,              // Expr is linear expr, Value is Var+Offset
-    ScaledLinear,        // Expr is scaled linear exp, Value is Scale*Var+Offset
-  } ExprTy;
-
-  const ConstantInt *Offset;  // Offset of expr, or null if 0
-  Value             *Var;     // Var referenced, if Linear or above (null if 0)
-  const ConstantInt *Scale;   // Scale of var if ScaledLinear expr (null if 1)
-
-  inline ExprType(const ConstantInt *CPV = 0) {
-    Offset = CPV; Var = 0; Scale = 0;
-    ExprTy = Constant;
-  }
-  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.
-  ///
-  const Type *getExprType(const Type *Default) const;
-};
-
-} // End llvm namespace
-
-#endif