change the LabelSDNode to be EHLabelSDNode and make it hold

an MCSymbol.  Make the EH_LABEL MachineInstr hold its label
with an MCSymbol instead of ID.  Fix a bug in MMI.cpp which
would return labels named "Label4" instead of "label4".

llvm-svn: 98463

1 files changed, 6 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index b7cc5b3a21d..31151f304af 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1553,7 +1553,12 @@ void AsmPrinter::printKill(const MachineInstr *MI) const {
 /// printLabel - This method prints a local label used by debug and
 /// exception handling tables.
 void AsmPrinter::printLabelInst(const MachineInstr *MI) const {
-  MCSymbol *Sym = 
+  MCSymbol *Sym; 
+  
+  if (MI->getOperand(0).isMCSymbol())
+    Sym = MI->getOperand(0).getMCSymbol();
+  else
+    Sym =
     OutContext.GetOrCreateTemporarySymbol(Twine(MAI->getPrivateGlobalPrefix()) +
                                  "label" + Twine(MI->getOperand(0).getImm()));
   OutStreamer.EmitLabel(Sym);