Reland r200340 - 'Add line table debug info to COFF files when using a win32 triple'

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

diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index fbee17f563a2c90a34de942a8bce795cb3859638..c5726633d2a4fd03e978a57f7737cb69a26226d8 100644 (file)
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -50,11 +50,13 @@
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include "llvm/Transforms/Utils/GlobalStatus.h"
+#include "WinCodeViewLineTables.h"
 using namespace llvm;
 
 static const char *const DWARFGroupName = "DWARF Emission";
-static const char *const DbgTimerName = "DWARF Debug Writer";
+static const char *const DbgTimerName = "Debug Info Emission";
 static const char *const EHTimerName = "DWARF Exception Writer";
+static const char *const CodeViewLineTablesGroupName = "CodeView Line Tables";
 
 STATISTIC(EmittedInsts, "Number of machine instrs printed");
 
@@ -202,8 +204,14 @@ bool AsmPrinter::doInitialization(Module &M) {
   }
 
   if (MAI->doesSupportDebugInformation()) {
-    DD = new DwarfDebug(this, &M);
-    Handlers.push_back(HandlerInfo(DD, DbgTimerName, DWARFGroupName));
+    if (Triple(TM.getTargetTriple()).getOS() == Triple::Win32) {
+      Handlers.push_back(HandlerInfo(new WinCodeViewLineTables(this),
+                                     DbgTimerName,
+                                     CodeViewLineTablesGroupName));
+    } else {
+      DD = new DwarfDebug(this, &M);
+      Handlers.push_back(HandlerInfo(DD, DbgTimerName, DWARFGroupName));
+    }
   }
 
   DwarfException *DE = 0;