Support standard DWARF TLS opcode; Darwin and PS4 use it.
[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfDebug.cpp
index 22df593..2789071 100644 (file)
@@ -193,6 +193,7 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
       UsedNonDefaultText(false),
       SkeletonHolder(A, "skel_string", DIEValueAllocator),
       IsDarwin(Triple(A->getTargetTriple()).isOSDarwin()),
+      IsPS4(Triple(A->getTargetTriple()).isPS4()),
       AccelNames(DwarfAccelTable::Atom(dwarf::DW_ATOM_die_offset,
                                        dwarf::DW_FORM_data4)),
       AccelObjC(DwarfAccelTable::Atom(dwarf::DW_ATOM_die_offset,
@@ -231,6 +232,10 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
   DwarfVersion = DwarfVersionNumber ? DwarfVersionNumber
                                     : MMI->getModule()->getDwarfVersion();
 
+  // Darwin and PS4 use the standard TLS opcode (defined in DWARF 3).
+  // Everybody else uses GNU's.
+  UseGNUTLSOpcode = !(IsDarwin || IsPS4) || DwarfVersion < 3;
+
   Asm->OutStreamer.getContext().setDwarfVersion(DwarfVersion);
 
   {