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Summary: The direct motivation for the port is to ensure that the OptRemarkEmitter tests work with the new PM. This remains a function pass because we not only create multiple loops but could also version the original loop. In the test I need to invoke opt with -passes='require<aa>,loop-distribute'. LoopDistribute does not directly depend on AA however LAA does. LAA uses getCachedResult so I *think* we need manually pull in 'aa'. Reviewers: davidxl, silvas Subscribers: sanjoy, llvm-commits, mzolotukhin Differential Revision: https://reviews.llvm.org/D22437 llvm-svn: 275811
31 lines
1.0 KiB
C++
31 lines
1.0 KiB
C++
//===- LoopDistribute.cpp - Loop Distribution Pass --------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Loop Distribution Pass. Its main focus is to
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// distribute loops that cannot be vectorized due to dependence cycles. It
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// tries to isolate the offending dependences into a new loop allowing
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// vectorization of the remaining parts.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SCALAR_LOOPDISTRIBUTE_H
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#define LLVM_TRANSFORMS_SCALAR_LOOPDISTRIBUTE_H
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#include "llvm/IR/PassManager.h"
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namespace llvm {
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class LoopDistributePass : public PassInfoMixin<LoopDistributePass> {
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public:
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PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
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};
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} // end namespace llvm
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#endif // LLVM_TRANSFORMS_SCALAR_LOOPDISTRIBUTE_H
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