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Provide a way to extract location info from DILocation. 

llvm-svn: 82064
This commit is contained in:
Devang Patel 2009-09-16 18:20:05 +00:00
parent 0d9950e315
commit 820640d39f
2 changed files with 28 additions and 0 deletions
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5
llvm/include/llvm/Analysis/DebugInfo.h
View File

@ -669,6 +669,11 @@ namespace llvm {
DebugLoc ExtractDebugLocation(DbgStopPointInst &SPI,
DebugLocTracker &DebugLocInfo);
/// ExtractDebugLocation - Extract debug location information
/// from DILocation.
DebugLoc ExtractDebugLocation(DILocation &Loc,
DebugLocTracker &DebugLocInfo);
/// ExtractDebugLocation - Extract debug location information
/// from llvm.dbg.func_start intrinsic.
DebugLoc ExtractDebugLocation(DbgFuncStartInst &FSI,

23
llvm/lib/Analysis/DebugInfo.cpp
View File

@ -1209,6 +1209,29 @@ namespace llvm {
return DebugLoc::get(Id);
}
/// ExtractDebugLocation - Extract debug location information
/// from DILocation.
DebugLoc ExtractDebugLocation(DILocation &Loc,
DebugLocTracker &DebugLocInfo) {
DebugLoc DL;
MDNode *Context = Loc.getScope().getNode();
// If this location is already tracked then use it.
DebugLocTuple Tuple(Context, Loc.getLineNumber(),
Loc.getColumnNumber());
DenseMap<DebugLocTuple, unsigned>::iterator II
= DebugLocInfo.DebugIdMap.find(Tuple);
if (II != DebugLocInfo.DebugIdMap.end())
return DebugLoc::get(II->second);
// Add a new location entry.
unsigned Id = DebugLocInfo.DebugLocations.size();
DebugLocInfo.DebugLocations.push_back(Tuple);
DebugLocInfo.DebugIdMap[Tuple] = Id;
return DebugLoc::get(Id);
}
/// ExtractDebugLocation - Extract debug location information
/// from llvm.dbg.func_start intrinsic.
DebugLoc ExtractDebugLocation(DbgFuncStartInst &FSI,