Speculatively revert r98035. It appears to have caused a set of buildbot

failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98039 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 10 deletions

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index a0842d81e5..af651a71d9 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1948,14 +1948,14 @@ void DwarfDebug::collectVariableInfo() {
 }
 
 /// beginScope - Process beginning of a scope starting at Label.
-void DwarfDebug::beginScope(const MachineInstr *MI, MCSymbol *Label) {
+void DwarfDebug::beginScope(const MachineInstr *MI, unsigned Label) {
   InsnToDbgScopeMapTy::iterator I = DbgScopeBeginMap.find(MI);
   if (I == DbgScopeBeginMap.end())
     return;
   ScopeVector &SD = I->second;
   for (ScopeVector::iterator SDI = SD.begin(), SDE = SD.end();
        SDI != SDE; ++SDI)
-    (*SDI)->setStartLabel(Label);
+    (*SDI)->setStartLabel(getDWLabel("label", Label));
 }
 
 /// endScope - Process end of a scope.
@@ -2124,7 +2124,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
       Col = DLT.getColumnNumber();
     }
     
-    recordSourceLine(Line, Col, DLT.getScope().getNode());
+    Asm->printLabel(recordSourceLine(Line, Col, DLT.getScope().getNode()));
   }
   if (TimePassesIsEnabled)
     DebugTimer->stopTimer();
@@ -2180,10 +2180,11 @@ void DwarfDebug::endFunction(const MachineFunction *MF) {
     DebugTimer->stopTimer();
 }
 
-/// recordSourceLine - Register a source line with debug info. Returns the
-/// unique label that was emitted and which provides correspondence to
-/// the source line list.
-MCSymbol *DwarfDebug::recordSourceLine(unsigned Line, unsigned Col, MDNode *S) {
+/// recordSourceLine - Records location information and associates it with a
+/// label. Returns a unique label ID used to generate a label and provide
+/// correspondence to the source line list.
+unsigned DwarfDebug::recordSourceLine(unsigned Line, unsigned Col,
+                                      MDNode *S) {
   if (!MMI)
     return 0;
 
@@ -2216,9 +2217,7 @@ MCSymbol *DwarfDebug::recordSourceLine(unsigned Line, unsigned Col, MDNode *S) {
   if (TimePassesIsEnabled)
     DebugTimer->stopTimer();
 
-  MCSymbol *Label = getDWLabel("label", ID);
-  Asm->OutStreamer.EmitLabel(Label);
-  return Label;
+  return ID;
 }
 
 /// getOrCreateSourceID - Public version of GetOrCreateSourceID. This can be