LLVM  6.0.0svn
StripNonLineTableDebugInfo.cpp
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1 //===- StripNonLineTableDebugInfo.cpp -- Strip parts of Debug Info --------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm/IR/DebugInfo.h"
11 #include "llvm/Pass.h"
12 #include "llvm/Transforms/IPO.h"
13 using namespace llvm;
14 
15 namespace {
16 
17 /// This pass strips all debug info that is not related line tables.
18 /// The result will be the same as if the program where compiled with
19 /// -gline-tables-only.
20 struct StripNonLineTableDebugInfo : public ModulePass {
21  static char ID; // Pass identification, replacement for typeid
22  StripNonLineTableDebugInfo() : ModulePass(ID) {
24  }
25 
26  void getAnalysisUsage(AnalysisUsage &AU) const override {
27  AU.setPreservesAll();
28  }
29 
30  bool runOnModule(Module &M) override {
32  }
33 };
34 }
35 
37 INITIALIZE_PASS(StripNonLineTableDebugInfo, "strip-nonlinetable-debuginfo",
38  "Strip all debug info except linetables", false, false)
39 
41  return new StripNonLineTableDebugInfo();
42 }
static PassRegistry * getPassRegistry()
getPassRegistry - Access the global registry object, which is automatically initialized at applicatio...
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24
A Module instance is used to store all the information related to an LLVM module. ...
Definition: Module.h:63
ModulePass * createStripNonLineTableDebugInfoPass()
This function returns a new pass that downgrades the debug info in the module to line tables only...
bool stripNonLineTableDebugInfo(Module &M)
Downgrade the debug info in a module to contain only line table information.
Definition: DebugInfo.cpp:576
Represent the analysis usage information of a pass.
void setPreservesAll()
Set by analyses that do not transform their input at all.
INITIALIZE_PASS(StripNonLineTableDebugInfo, "strip-nonlinetable-debuginfo", "Strip all debug info except linetables", false, false) ModulePass *llvm
ModulePass class - This class is used to implement unstructured interprocedural optimizations and ana...
Definition: Pass.h:225
void initializeStripNonLineTableDebugInfoPass(PassRegistry &)