CodeGen: Move the call to DwarfDebug::beginModule() out of the constructor.

This gives AsmPrinter a chance to initialize its DD field before
we call beginModule(), which is about to start using it.

Differential Revision: http://reviews.llvm.org/D20413

llvm-svn: 270258

2 files changed, 2 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index e9335054275..4b910b08f5d 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -253,6 +253,7 @@ bool AsmPrinter::doInitialization(Module &M) {
     }
     if (!EmitCodeView || MMI->getModule()->getDwarfVersion()) {
       DD = new DwarfDebug(this, &M);
+      DD->beginModule();
       Handlers.push_back(HandlerInfo(DD, DbgTimerName, DWARFGroupName));
     }
   }
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 52f5a02791e..0b279fb6f97 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -269,11 +269,6 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
   UseDWARF2Bitfields = (DwarfVersion < 4) || tuneForGDB();
 
   Asm->OutStreamer->getContext().setDwarfVersion(DwarfVersion);
-
-  {
-    NamedRegionTimer T(DbgTimerName, DWARFGroupName, TimePassesIsEnabled);
-    beginModule();
-  }
 }
 
 // Define out of line so we don't have to include DwarfUnit.h in DwarfDebug.h.
@@ -465,6 +460,7 @@ void DwarfDebug::constructAndAddImportedEntityDIE(DwarfCompileUnit &TheCU,
 // global DIEs and emit initial debug info sections. This is invoked by
 // the target AsmPrinter.
 void DwarfDebug::beginModule() {
+  NamedRegionTimer T(DbgTimerName, DWARFGroupName, TimePassesIsEnabled);
   if (DisableDebugInfoPrinting)
     return;