More data/parsing support for tls directives.  Add a few more testcases
and cleanup comments as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103985 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 5bb33c2..8376819 100644
--- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -475,6 +475,12 @@
     = getContext().getMachOSection("__DATA", "__thread_vars",
                                    MCSectionMachO::S_THREAD_LOCAL_VARIABLES,
                                    SectionKind::getDataRel());
+                                   
+  TLSThreadInitSection
+    = getContext().getMachOSection("__DATA", "__thread_init",
+                          MCSectionMachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS,
+                          SectionKind::getDataRel());
+                                   
   CStringSection // .cstring
     = getContext().getMachOSection("__TEXT", "__cstring", 
                                    MCSectionMachO::S_CSTRING_LITERALS,
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index c491673..2a60a67 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -623,6 +623,16 @@
       return ParseDirectiveSectionSwitch("__OBJC", "__selector_strs",
                                          MCSectionMachO::S_CSTRING_LITERALS);
     
+    if (IDVal == ".tdata")
+      return ParseDirectiveSectionSwitch("__DATA", "__thread_data",
+                                        MCSectionMachO::S_THREAD_LOCAL_REGULAR);
+    if (IDVal == ".tlv")
+      return ParseDirectiveSectionSwitch("__DATA", "__thread_vars",
+                                      MCSectionMachO::S_THREAD_LOCAL_VARIABLES);
+    if (IDVal == ".thread_init_func")
+      return ParseDirectiveSectionSwitch("__DATA", "__thread_init",
+                        MCSectionMachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS);
+    
     // Assembler features
     if (IDVal == ".set")
       return ParseDirectiveSet();