Revert debug info compression support.

To support compression for debug_line and debug_frame a different
approach is required. To simplify review, revert the old implementation
and XFAIL the test case. New implementation to follow shortly.

Reverts r205059 and r204958.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205989 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 21 deletions

diff --git a/include/llvm/MC/MCAssembler.h b/include/llvm/MC/MCAssembler.h
index 34b760c46e..424e5358e2 100644
--- a/include/llvm/MC/MCAssembler.h
+++ b/include/llvm/MC/MCAssembler.h
@@ -52,7 +52,6 @@ public:
   enum FragmentType {
     FT_Align,
     FT_Data,
-    FT_Compressed,
     FT_CompactEncodedInst,
     FT_Fill,
     FT_Relaxable,
@@ -162,7 +161,6 @@ public:
         return false;
       case MCFragment::FT_Relaxable:
       case MCFragment::FT_CompactEncodedInst:
-      case MCFragment::FT_Compressed:
       case MCFragment::FT_Data:
         return true;
     }
@@ -197,8 +195,7 @@ public:
 
   static bool classof(const MCFragment *F) {
     MCFragment::FragmentType Kind = F->getKind();
-    return Kind == MCFragment::FT_Relaxable || Kind == MCFragment::FT_Data ||
-           Kind == MCFragment::FT_Compressed;
+    return Kind == MCFragment::FT_Relaxable || Kind == MCFragment::FT_Data;
   }
 };
 
@@ -217,11 +214,6 @@ class MCDataFragment : public MCEncodedFragmentWithFixups {
 
   /// Fixups - The list of fixups in this fragment.
   SmallVector<MCFixup, 4> Fixups;
-protected:
-  MCDataFragment(MCFragment::FragmentType FType, MCSectionData *SD = 0)
-      : MCEncodedFragmentWithFixups(FType, SD), HasInstructions(false),
-        AlignToBundleEnd(false) {}
-
 public:
   MCDataFragment(MCSectionData *SD = 0)
     : MCEncodedFragmentWithFixups(FT_Data, SD),
@@ -255,21 +247,10 @@ public:
   const_fixup_iterator fixup_end() const override {return Fixups.end();}
 
   static bool classof(const MCFragment *F) {
-    return F->getKind() == MCFragment::FT_Data ||
-           F->getKind() == MCFragment::FT_Compressed;
+    return F->getKind() == MCFragment::FT_Data;
   }
 };
 
-class MCCompressedFragment: public MCDataFragment {
-  mutable SmallVector<char, 32> CompressedContents;
-public:
-  MCCompressedFragment(MCSectionData *SD = nullptr)
-      : MCDataFragment(FT_Compressed, SD) {}
-  const SmallVectorImpl<char> &getCompressedContents() const;
-  using MCDataFragment::getContents;
-  SmallVectorImpl<char> &getContents() override;
-};
-
 /// This is a compact (memory-size-wise) fragment for holding an encoded
 /// instruction (non-relaxable) that has no fixups registered. When applicable,
 /// it can be used instead of MCDataFragment and lead to lower memory