| //===--- SCEVValidator.h - Detect Scops -------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // Checks if a SCEV expression represents a valid affine expression. |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef POLLY_SCEV_VALIDATOR_H |
| #define POLLY_SCEV_VALIDATOR_H |
| |
| #include <vector> |
| |
| namespace llvm { |
| class Region; |
| class SCEV; |
| class ScalarEvolution; |
| class Value; |
| } |
| |
| namespace polly { |
| /// Returns true when the SCEV contains references to instructions within the |
| /// region. |
| /// |
| /// @param S The SCEV to analyze. |
| /// @param R The region in which we look for dependences. |
| bool hasScalarDepsInsideRegion(const llvm::SCEV *S, const llvm::Region *R); |
| bool isAffineExpr(const llvm::Region *R, const llvm::SCEV *Expression, |
| llvm::ScalarEvolution &SE, |
| const llvm::Value *BaseAddress = 0); |
| std::vector<const llvm::SCEV *> |
| getParamsInAffineExpr(const llvm::Region *R, const llvm::SCEV *Expression, |
| llvm::ScalarEvolution &SE, |
| const llvm::Value *BaseAddress = 0); |
| } |
| |
| #endif |