[AsmPrinter] Prune dead code. NFC.

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DIEHash.cpp

diff --git a/lib/CodeGen/AsmPrinter/DIEHash.cpp b/lib/CodeGen/AsmPrinter/DIEHash.cpp
index 5e60156fdfc9a65ce1f3490c2df6b0c8086faa03..02010654a6f469cacd47a1d3b406e14a48a97ac6 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DIEHash.cpp
+++ b/lib/CodeGen/AsmPrinter/DIEHash.cpp
@@ -469,38 +469,6 @@ void DIEHash::computeHash(const DIE &Die) {
   Hash.update(makeArrayRef((uint8_t)'\0'));
 }
 
-/// This is based on the type signature computation given in section 7.27 of the
-/// DWARF4 standard. It is the md5 hash of a flattened description of the DIE
-/// with the exception that we are hashing only the context and the name of the
-/// type.
-uint64_t DIEHash::computeDIEODRSignature(const DIE &Die) {
-
-  // Add the contexts to the hash. We won't be computing the ODR hash for
-  // function local types so it's safe to use the generic context hashing
-  // algorithm here.
-  // FIXME: If we figure out how to account for linkage in some way we could
-  // actually do this with a slight modification to the parent hash algorithm.
-  if (const DIE *Parent = Die.getParent())
-    addParentContext(*Parent);
-
-  // Add the current DIE information.
-
-  // Add the DWARF tag of the DIE.
-  addULEB128(Die.getTag());
-
-  // Add the name of the type to the hash.
-  addString(getDIEStringAttr(Die, dwarf::DW_AT_name));
-
-  // Now get the result.
-  MD5::MD5Result Result;
-  Hash.final(Result);
-
-  // ... take the least significant 8 bytes and return those. Our MD5
-  // implementation always returns its results in little endian, swap bytes
-  // appropriately.
-  return support::endian::read64le(Result + 8);
-}
-
 /// This is based on the type signature computation given in section 7.27 of the
 /// DWARF4 standard. It is an md5 hash of the flattened description of the DIE
 /// with the inclusion of the full CU and all top level CU entities.