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The RegionInfo pass detects single entry single exit regions in a function, where a region is defined as any subgraph that is connected to the remaining graph at only two spots. Furthermore an hierarchical region tree is built. Use it by calling "opt -regions analyze" or "opt -view-regions". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109089 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
863 B
C++
27 lines
863 B
C++
//===-- RegionPrinter.h - Region printer external interface -----*- 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 defines external functions that can be called to explicitly
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// instantiate the region printer.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ANALYSIS_REGIONPRINTER_H
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#define LLVM_ANALYSIS_REGIONPRINTER_H
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namespace llvm {
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class FunctionPass;
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FunctionPass *createRegionViewerPass();
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FunctionPass *createRegionOnlyViewerPass();
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FunctionPass *createRegionPrinterPass();
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FunctionPass *createRegionOnlyPrinterPass();
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} // End llvm namespace
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#endif
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