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73d68195ce
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 llvm-svn: 127381
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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