Revert 122011, 122012, 122013, 122023 adding back an important optimization.

[oota-llvm.git] / lib / MC / MCAsmInfoDarwin.cpp

diff --git a/lib/MC/MCAsmInfoDarwin.cpp b/lib/MC/MCAsmInfoDarwin.cpp
index 3c31caa5aca8170b5193f56e9b6c65abfc3d8547..a382741b5a2b7a22d002e8878365d9272ace40cc 100644 (file)
--- a/lib/MC/MCAsmInfoDarwin.cpp
+++ b/lib/MC/MCAsmInfoDarwin.cpp
@@ -35,13 +35,22 @@ MCAsmInfoDarwin::MCAsmInfoDarwin() {
   WeakRefDirective = "\t.weak_reference ";
   ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
   HasMachoZeroFillDirective = true;  // Uses .zerofill
+  HasMachoTBSSDirective = true; // Uses .tbss
   HasStaticCtorDtorReferenceInStaticMode = true;
-  
+
+  // FIXME: Darwin 10 and newer don't need this.
+  LinkerRequiresNonEmptyDwarfLines = true;
+
+  NeedsSetToChangeDiffSize = true;
   HiddenVisibilityAttr = MCSA_PrivateExtern;
   // Doesn't support protected visibility.
   ProtectedVisibilityAttr = MCSA_Global;
   
   HasDotTypeDotSizeDirective = false;
   HasNoDeadStrip = true;
+  HasSymbolResolver = true;
+
+  DwarfUsesAbsoluteLabelForStmtList = false;
+  DwarfUsesLabelOffsetForRanges = false;
 }