From 33f4eb462fe8c0c2092bee983e53f1dff8aac6a4 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Fri, 19 Jun 2009 21:54:26 +0000
Subject: Move up dwarf writer initialization in common AsmPrinter class.

llvm-svn: 73784
---
 llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

(limited to 'llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp')

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 28f3b9b1bf6..e9319046234 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -177,9 +177,17 @@ bool AsmPrinter::doInitialization(Module &M) {
 
   SwitchToDataSection("");   // Reset back to no section.
   
-  MachineModuleInfo *MMI = getAnalysisIfAvailable<MachineModuleInfo>();
-  if (MMI) MMI->AnalyzeModule(M);
-  DW = getAnalysisIfAvailable<DwarfWriter>();
+  if (TAI->doesSupportDebugInformation() 
+      || TAI->doesSupportExceptionHandling()) {
+    MachineModuleInfo *MMI = getAnalysisIfAvailable<MachineModuleInfo>();
+    if (MMI) {
+      MMI->AnalyzeModule(M);
+      DW = getAnalysisIfAvailable<DwarfWriter>();
+      if (DW)
+        DW->BeginModule(&M, MMI, O, this, TAI);
+    }
+  }
+
   return false;
 }
 
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