Enable Dwarf debugging info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26581 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/Target/X86/X86IntelAsmPrinter.cpp b/lib/Target/X86/X86IntelAsmPrinter.cpp
index ed673df9fe..5bc8b24372 100755
--- a/lib/Target/X86/X86IntelAsmPrinter.cpp
+++ b/lib/Target/X86/X86IntelAsmPrinter.cpp
@@ -26,9 +26,16 @@ using namespace x86;
 /// method to print assembly for each instruction.
 ///
 bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
+  // Let PassManager know we need debug information and relay
+  // the MachineDebugInfo address on to DwarfWriter.
+  DW.SetDebugInfo(&getAnalysis<MachineDebugInfo>());
+
   SetupMachineFunction(MF);
   O << "\n\n";
 
+  // Emit pre-function debug information.
+  DW.BeginFunction(MF);
+
   // Print out constants referenced by the function
   EmitConstantPool(MF.getConstantPool());
 
@@ -56,6 +63,9 @@ bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
     }
   }
 
+  // Emit post-function debug information.
+  DW.EndFunction(MF);
+
   // We didn't modify anything.
   return false;
 }