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	It generates output that lools like 8 times line number info lost by Scalar Replacement of Aggregates (SSAUp) 1 times line number info lost by Simplify well-known library calls 12 times variable info lost by Jump Threading git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127381 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			68 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===-- DebugInfoProbe.h - DebugInfo Probe ----------------------*- 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 a probe, DebugInfoProbe, that can be used by pass
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// manager to analyze how optimizer is treating debugging information.
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// 
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_UTILS_DEBUGINFOPROBE_H
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#define LLVM_TRANSFORMS_UTILS_DEBUGINFOPROBE_H
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#include "llvm/ADT/StringMap.h"
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namespace llvm {
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  class Function;
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  class Pass;
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  class DebugInfoProbeImpl;
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  /// DebugInfoProbe - This class provides a interface to monitor
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  /// how an optimization pass is preserving debugging information.
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  class DebugInfoProbe {
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    public:
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    DebugInfoProbe();
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    ~DebugInfoProbe();
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    /// initialize - Collect information before running an optimization pass.
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    void initialize(StringRef PName, Function &F);
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    /// finalize - Collect information after running an optimization pass. This
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    /// must be used after initialization.
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    void finalize(Function &F);
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    /// report - Report findings. This should be invoked after finalize.
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    void report();
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    private:
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    DebugInfoProbeImpl *pImpl;
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  };
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  /// DebugInfoProbeInfo - This class provides an interface that a pass manager
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  /// can use to manage debug info probes.
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  class DebugInfoProbeInfo {
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    StringMap<DebugInfoProbe *> Probes;
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  public:
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    DebugInfoProbeInfo() {}
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    /// ~DebugInfoProbeInfo - Report data collected by all probes before deleting
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    /// them.
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    ~DebugInfoProbeInfo();
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    /// initialize - Collect information before running an optimization pass.
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    void initialize(Pass *P, Function &F);
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    /// finalize - Collect information after running an optimization pass. This
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    /// must be used after initialization.
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    void finalize(Pass *P, Function &F);
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  };
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} // End llvm namespace
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#endif
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