llvm-6502/include/llvm/Transforms/Utils/UnrollLoop.h
Jingyue Wu 62d535ff3c Resurrect the assertion removed by r227717
Summary: MSVC can compile "LoopID->getOperand(0) == LoopID" when LoopID is MDNode*.

Test Plan: no regression

Reviewers: mkuper

Subscribers: jholewinski, llvm-commits

Differential Revision: http://reviews.llvm.org/D7327

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227853 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-02 20:41:11 +00:00

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//===- llvm/Transforms/Utils/UnrollLoop.h - Unrolling utilities -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines some loop unrolling utilities. It does not define any
// actual pass or policy, but provides a single function to perform loop
// unrolling.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_UTILS_UNROLLLOOP_H
#define LLVM_TRANSFORMS_UTILS_UNROLLLOOP_H
#include "llvm/ADT/StringRef.h"
namespace llvm {
class AssumptionCache;
class Loop;
class LoopInfo;
class LPPassManager;
class MDNode;
class Pass;
bool UnrollLoop(Loop *L, unsigned Count, unsigned TripCount, bool AllowRuntime,
unsigned TripMultiple, LoopInfo *LI, Pass *PP,
LPPassManager *LPM, AssumptionCache *AC);
bool UnrollRuntimeLoopProlog(Loop *L, unsigned Count, LoopInfo *LI,
LPPassManager* LPM);
MDNode *GetUnrollMetadata(MDNode *LoopID, StringRef Name);
}
#endif