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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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| 
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| #ifndef LLVM_TRANSFORMS_UTILS_DEBUGINFOPROBE_H
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| #define LLVM_TRANSFORMS_UTILS_DEBUGINFOPROBE_H
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| 
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| #include "llvm/ADT/StringMap.h"
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     /// report - Report findings. This should be invoked after finalize.
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|     void report();
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| 
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|     private:
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|     DebugInfoProbeImpl *pImpl;
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|   };
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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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| 
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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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| 
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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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| 
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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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| 
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| } // End llvm namespace
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| 
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| #endif
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