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Summary: Analogously to Function::viewCFG(), RegionInfo::view() and RegionInfo::viewOnly() are meant to be called in debugging sessions. They open a viewer to show how RegionInfo currently understands the region hierarchy. The functions viewRegion(Function*) and viewRegionOnly(Function*) invoke a fresh region analysis of the function in contrast to viewRegion(RegionInfo*) and viewRegionOnly(RegionInfo*) which show the current analysis result. Reviewers: grosser Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D11875 llvm-svn: 244444
72 lines
2.3 KiB
C++
72 lines
2.3 KiB
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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class Function;
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class RegionInfo;
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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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#ifndef NDEBUG
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/// @brief Open a viewer to display the GraphViz vizualization of the analysis
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/// result.
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///
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/// Practical to call in the debugger.
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/// Includes the instructions in each BasicBlock.
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///
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/// @param RI The analysis to display.
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void viewRegion(llvm::RegionInfo *RI);
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/// @brief Analyze the regions of a function and open its GraphViz
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/// visualization in a viewer.
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///
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/// Useful to call in the debugger.
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/// Includes the instructions in each BasicBlock.
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/// The result of a new analysis may differ from the RegionInfo the pass
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/// manager currently holds.
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///
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/// @param F Function to analyze.
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void viewRegion(const llvm::Function *F);
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/// @brief Open a viewer to display the GraphViz vizualization of the analysis
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/// result.
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///
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/// Useful to call in the debugger.
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/// Shows only the BasicBlock names without their instructions.
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///
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/// @param RI The analysis to display.
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void viewRegionOnly(llvm::RegionInfo *RI);
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/// @brief Analyze the regions of a function and open its GraphViz
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/// visualization in a viewer.
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///
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/// Useful to call in the debugger.
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/// Shows only the BasicBlock names without their instructions.
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/// The result of a new analysis may differ from the RegionInfo the pass
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/// manager currently holds.
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///
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/// @param F Function to analyze.
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void viewRegionOnly(const llvm::Function *F);
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#endif
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} // End llvm namespace
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#endif
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