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Add utility routine to set begin and end labels for DbgScopes.

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This will be used by processDebugLoc().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83361 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-10-06 01:50:42 +00:00
parent b39566d719
commit 0d20ac8d17
2 changed files with 31 additions and 0 deletions
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24
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1796,6 +1796,30 @@ void DwarfDebug::CollectVariableInfo() {
} }
} }
/// SetDbgScopeBeginLabels - Update DbgScope begin labels for the scopes that
/// start with this machine instruction.
void DwarfDebug::SetDbgScopeBeginLabels(const MachineInstr *MI, unsigned Label) {
InsnToDbgScopeMapTy::iterator I = DbgScopeBeginMap.find(MI);
if (I == DbgScopeBeginMap.end())
return;
SmallVector<DbgScope *, 2> &SD = I->second;
for (SmallVector<DbgScope *, 2>::iterator SDI = SD.begin(), SDE = SD.end();
SDI != SDE; ++SDI)
(*SDI)->setStartLabelID(Label);
}
/// SetDbgScopeEndLabels - Update DbgScope end labels for the scopes that
/// end with this machine instruction.
void DwarfDebug::SetDbgScopeEndLabels(const MachineInstr *MI, unsigned Label) {
InsnToDbgScopeMapTy::iterator I = DbgScopeEndMap.find(MI);
if (I == DbgScopeBeginMap.end())
return;
SmallVector<DbgScope *, 2> &SD = I->second;
for (SmallVector<DbgScope *, 2>::iterator SDI = SD.begin(), SDE = SD.end();
SDI != SDE; ++SDI)
(*SDI)->setEndLabelID(Label);
}
/// ExtractScopeInformation - Scan machine instructions in this function /// ExtractScopeInformation - Scan machine instructions in this function
/// and collect DbgScopes. Return true, if atleast one scope was found. /// and collect DbgScopes. Return true, if atleast one scope was found.
bool DwarfDebug::ExtractScopeInformation(MachineFunction *MF) { bool DwarfDebug::ExtractScopeInformation(MachineFunction *MF) {

7
lib/CodeGen/AsmPrinter/DwarfDebug.h
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@ -563,6 +563,13 @@ public:
/// CollectVariableInfo - Populate DbgScope entries with variables' info. /// CollectVariableInfo - Populate DbgScope entries with variables' info.
void CollectVariableInfo(); void CollectVariableInfo();
/// SetDbgScopeBeginLabels - Update DbgScope begin labels for the scopes that
/// start with this machine instruction.
void SetDbgScopeBeginLabels(const MachineInstr *MI, unsigned Label);
/// SetDbgScopeEndLabels - Update DbgScope end labels for the scopes that
/// end with this machine instruction.
void SetDbgScopeEndLabels(const MachineInstr *MI, unsigned Label);
}; };
} // End of namespace llvm } // End of namespace llvm