1 files changed, 24 insertions, 2 deletions
diff --git a/contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.h b/contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
index f0c4ef98bb7a..175d66063d49 100644
--- a/contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
+++ b/contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
@@ -11,17 +11,22 @@
 //
 //===----------------------------------------------------------------------===//
 
+#ifndef CODEGEN_ASMPRINTER_DIEHASH_H__
+#define CODEGEN_ASMPRINTER_DIEHASH_H__
+
 #include "DIE.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/Support/MD5.h"
 
 namespace llvm {
 
+class AsmPrinter;
 class CompileUnit;
 
 /// \brief An object containing the capability of hashing and adding hash
 /// attributes onto a DIE.
 class DIEHash {
+
   // The entry for a particular attribute.
   struct AttrEntry {
     const DIEValue *Val;
@@ -84,6 +89,8 @@ class DIEHash {
   };
 
 public:
+  DIEHash(AsmPrinter *A = nullptr) : AP(A) {}
+
   /// \brief Computes the ODR signature.
   uint64_t computeDIEODRSignature(const DIE &Die);
 
@@ -105,13 +112,17 @@ private:
   void computeHash(const DIE &Die);
 
   // Routines that add DIEValues to the hash.
-private:
+public:
+  /// \brief Adds \param Value to the hash.
+  void update(uint8_t Value) { Hash.update(Value); }
+
   /// \brief Encodes and adds \param Value to the hash as a ULEB128.
   void addULEB128(uint64_t Value);
 
   /// \brief Encodes and adds \param Value to the hash as a SLEB128.
   void addSLEB128(int64_t Value);
 
+private:
   /// \brief Adds \param Str to the hash and includes a NULL byte.
   void addString(StringRef Str);
 
@@ -122,6 +133,13 @@ private:
   /// \brief Hashes the attributes in \param Attrs in order.
   void hashAttributes(const DIEAttrs &Attrs, dwarf::Tag Tag);
 
+  /// \brief Hashes the data in a block like DIEValue, e.g. DW_FORM_block or
+  /// DW_FORM_exprloc.
+  void hashBlockData(const SmallVectorImpl<DIEValue *> &Values);
+
+  /// \brief Hashes the contents pointed to in the .debug_loc section.
+  void hashLocList(const DIELocList &LocList);
+
   /// \brief Hashes an individual attribute.
   void hashAttribute(AttrEntry Attr, dwarf::Tag Tag);
 
@@ -136,12 +154,16 @@ private:
                                 StringRef Name);
 
   /// \brief Hashes a reference to a previously referenced type DIE.
-  void hashRepeatedTypeReference(dwarf::Attribute Attribute, unsigned DieNumber);
+  void hashRepeatedTypeReference(dwarf::Attribute Attribute,
+                                 unsigned DieNumber);
 
   void hashNestedType(const DIE &Die, StringRef Name);
 
 private:
   MD5 Hash;
+  AsmPrinter *AP;
   DenseMap<const DIE *, unsigned> Numbering;
 };
 }
+
+#endif