Add utility routine to collect variable debug info. This is not yet used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83355 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 149da04..89995af 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1782,6 +1782,20 @@
DebugTimer->stopTimer();
}
+/// CollectVariableInfo - Populate DbgScope entries with variables' info.
+void DwarfDebug::CollectVariableInfo() {
+ if (!MMI) return;
+ MachineModuleInfo::VariableDbgInfoMapTy &VMap = MMI->getVariableDbgInfo();
+ for (MachineModuleInfo::VariableDbgInfoMapTy::iterator VI = VMap.begin(),
+ VE = VMap.end(); VI != VE; ++VI) {
+ MDNode *Var = VI->first;
+ DILocation VLoc(VI->second.first);
+ unsigned VSlot = VI->second.second;
+ DbgScope *Scope = getDbgScope(VLoc.getScope().getNode(), NULL);
+ Scope->AddVariable(new DbgVariable(DIVariable(Var), VSlot, false));
+ }
+}
+
/// ExtractScopeInformation - Scan machine instructions in this function
/// and collect DbgScopes. Return true, if atleast one scope was found.
bool DwarfDebug::ExtractScopeInformation(MachineFunction *MF) {