DebugInfo: Remove unused labels now that we just emit DW_AT_gnu_pubnames as a flag...

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfDebug.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 17bb6857cdc926915419a541e0e48f099e8b38fd..f4eb787adbf9bf3a2f13602c0711c7ae8b72f863 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -501,8 +501,7 @@ DIE *DwarfDebug::constructLexicalScopeDIE(DwarfCompileUnit *TheCU,
   assert(Start->isDefined() && "Invalid starting label for an inlined scope!");
   assert(End->isDefined() && "Invalid end label for an inlined scope!");
 
-  TheCU->addLabelAddress(ScopeDIE, dwarf::DW_AT_low_pc, Start);
-  TheCU->addLabelAddress(ScopeDIE, dwarf::DW_AT_high_pc, End);
+  attachLowHighPC(TheCU, ScopeDIE, Start, End);
 
   return ScopeDIE;
 }
@@ -1186,26 +1185,23 @@ bool DwarfDebug::addCurrentFnArgument(DbgVariable *Var, LexicalScope *Scope) {
 void DwarfDebug::collectVariableInfoFromMMITable(
     SmallPtrSet<const MDNode *, 16> &Processed) {
   for (const auto &VI : MMI->getVariableDbgInfo()) {
-    const MDNode *Var = VI.first;
-    if (!Var)
+    if (!VI.Var)
       continue;
-    Processed.insert(Var);
-    DIVariable DV(Var);
-    const std::pair<unsigned, DebugLoc> &VP = VI.second;
-
-    LexicalScope *Scope = LScopes.findLexicalScope(VP.second);
+    Processed.insert(VI.Var);
+    DIVariable DV(VI.Var);
+    LexicalScope *Scope = LScopes.findLexicalScope(VI.Loc);
 
     // If variable scope is not found then skip this variable.
     if (Scope == 0)
       continue;
 
-    DbgVariable *AbsDbgVariable = findAbstractVariable(DV, VP.second);
+    DbgVariable *AbsDbgVariable = findAbstractVariable(DV, VI.Loc);
     DbgVariable *RegVar = new DbgVariable(DV, AbsDbgVariable, this);
-    RegVar->setFrameIndex(VP.first);
+    RegVar->setFrameIndex(VI.Slot);
     if (!addCurrentFnArgument(RegVar, Scope))
       addScopeVariable(Scope, RegVar);
     if (AbsDbgVariable)
-      AbsDbgVariable->setFrameIndex(VP.first);
+      AbsDbgVariable->setFrameIndex(VI.Slot);
   }
 }
 
@@ -2217,10 +2213,6 @@ void DwarfDebug::emitDebugPubNames(bool GnuStyle) {
     // Start the dwarf pubnames section.
     Asm->OutStreamer.SwitchSection(PSec);
 
-    // Emit a label so we can reference the beginning of this pubname section.
-    if (GnuStyle)
-      Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("gnu_pubnames", ID));
-
     // Emit the header.
     Asm->OutStreamer.AddComment("Length of Public Names Info");
     MCSymbol *BeginLabel = Asm->GetTempSymbol("pubnames_begin", ID);
@@ -2278,10 +2270,6 @@ void DwarfDebug::emitDebugPubTypes(bool GnuStyle) {
     // Start the dwarf pubtypes section.
     Asm->OutStreamer.SwitchSection(PSec);
 
-    // Emit a label so we can reference the beginning of this pubtype section.
-    if (GnuStyle)
-      Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("gnu_pubtypes", ID));
-
     // Emit the header.
     Asm->OutStreamer.AddComment("Length of Public Types Info");
     MCSymbol *BeginLabel = Asm->GetTempSymbol("pubtypes_begin", ID);