[AsmPrinter] Make AsmPrinter's OutStreamer member a unique_ptr.

AsmPrinter owns the OutStreamer, so an owning pointer makes sense here. Using a
reference for this is crufty.

llvm-svn: 235752

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
index 29a163b8f06..50dbb41c07c 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
@@ -51,7 +51,7 @@ void DwarfFile::emitUnits(bool UseOffsets) {
   for (const auto &TheU : CUs) {
     DIE &Die = TheU->getUnitDie();
     const MCSection *USection = TheU->getSection();
-    Asm->OutStreamer.SwitchSection(USection);
+    Asm->OutStreamer->SwitchSection(USection);
 
     TheU->emitHeader(UseOffsets);
 
@@ -124,7 +124,7 @@ void DwarfFile::emitAbbrevs(const MCSection *Section) {
   // Check to see if it is worth the effort.
   if (!Abbreviations.empty()) {
     // Start the debug abbrev section.
-    Asm->OutStreamer.SwitchSection(Section);
+    Asm->OutStreamer->SwitchSection(Section);
     Asm->emitDwarfAbbrevs(Abbreviations);
   }
 }