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48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
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//===- LoopDependenceAnalysis.cpp - LDA Implementation ----------*- 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 is the (beginning) of an implementation of a loop dependence analysis
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// framework, which is used to detect dependences in memory accesses in loops.
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//
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// Please note that this is work in progress and the interface is subject to
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// change.
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//
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// TODO: adapt as implementation progresses.
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//
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//===----------------------------------------------------------------------===//
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#define DEBUG_TYPE "lda"
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#include "llvm/Analysis/LoopDependenceAnalysis.h"
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#include "llvm/Analysis/LoopPass.h"
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#include "llvm/Analysis/ScalarEvolution.h"
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using namespace llvm;
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LoopPass *llvm::createLoopDependenceAnalysisPass() {
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return new LoopDependenceAnalysis();
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}
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static RegisterPass<LoopDependenceAnalysis>
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R("lda", "Loop Dependence Analysis", false, true);
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char LoopDependenceAnalysis::ID = 0;
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//===----------------------------------------------------------------------===//
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// LoopDependenceAnalysis Implementation
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//===----------------------------------------------------------------------===//
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bool LoopDependenceAnalysis::runOnLoop(Loop *L, LPPassManager &) {
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this->L = L;
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SE = &getAnalysis<ScalarEvolution>();
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return false;
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}
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void LoopDependenceAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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AU.addRequired<ScalarEvolution>();
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}
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