LLVM  9.0.0svn
LoopAccessAnalysisPrinter.cpp
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1 //===- LoopAccessAnalysisPrinter.cpp - Loop Access Analysis Printer --------==//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
11 using namespace llvm;
12 
13 #define DEBUG_TYPE "loop-accesses"
14 
18  Function &F = *L.getHeader()->getParent();
19  auto &LAI = AM.getResult<LoopAccessAnalysis>(L, AR);
20  OS << "Loop access info in function '" << F.getName() << "':\n";
21  OS.indent(2) << L.getHeader()->getName() << ":\n";
22  LAI.print(OS, 4);
23  return PreservedAnalyses::all();
24 }
PassT::Result & getResult(IRUnitT &IR, ExtraArgTs... ExtraArgs)
Get the result of an analysis pass for a given IR unit.
Definition: PassManager.h:776
This class represents lattice values for constants.
Definition: AllocatorList.h:23
raw_ostream & indent(unsigned NumSpaces)
indent - Insert &#39;NumSpaces&#39; spaces.
The adaptor from a function pass to a loop pass computes these analyses and makes them available to t...
F(f)
BlockT * getHeader() const
Definition: LoopInfo.h:100
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:153
static PreservedAnalyses all()
Construct a special preserved set that preserves all passes.
Definition: PassManager.h:159
This class provides an interface for updating the loop pass manager based on mutations to the loop ne...
This analysis provides dependence information for the memory accesses of a loop.
Represents a single loop in the control flow graph.
Definition: LoopInfo.h:465
StringRef getName() const
Return a constant reference to the value&#39;s name.
Definition: Value.cpp:214
const Function * getParent() const
Return the enclosing method, or null if none.
Definition: BasicBlock.h:106
PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, LoopStandardAnalysisResults &AR, LPMUpdater &U)
A container for analyses that lazily runs them and caches their results.