Revert "[PeepholeOptimizer] Look through PHIs to find additional register sources"

[oota-llvm.git] / include / llvm / Target / TargetInstrInfo.h

diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index 5ceb37a5dfcc271f79307c02fbf9b3bf023c50d5..421666cef8fa06af748d563ccfc6701ee7572243 100644 (file)
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -1303,33 +1303,6 @@ private:
   unsigned CallFrameSetupOpcode, CallFrameDestroyOpcode;
 };
 
-/// \brief Provide DenseMapInfo for TargetInstrInfo::RegSubRegPair.
-template<>
-struct DenseMapInfo<TargetInstrInfo::RegSubRegPair> {
-  typedef DenseMapInfo<unsigned> RegInfo;
-
-  static inline TargetInstrInfo::RegSubRegPair getEmptyKey() {
-    return TargetInstrInfo::RegSubRegPair(RegInfo::getEmptyKey(),
-                         RegInfo::getEmptyKey());
-  }
-  static inline TargetInstrInfo::RegSubRegPair getTombstoneKey() {
-    return TargetInstrInfo::RegSubRegPair(RegInfo::getTombstoneKey(),
-                         RegInfo::getTombstoneKey());
-  }
-  /// \brief Reuse getHashValue implementation from
-  /// std::pair<unsigned, unsigned>.
-  static unsigned getHashValue(const TargetInstrInfo::RegSubRegPair &Val) {
-    std::pair<unsigned, unsigned> PairVal =
-        std::make_pair(Val.Reg, Val.SubReg);
-    return DenseMapInfo<std::pair<unsigned, unsigned>>::getHashValue(PairVal);
-  }
-  static bool isEqual(const TargetInstrInfo::RegSubRegPair &LHS,
-                      const TargetInstrInfo::RegSubRegPair &RHS) {
-    return RegInfo::isEqual(LHS.Reg, RHS.Reg) &&
-           RegInfo::isEqual(LHS.SubReg, RHS.SubReg);
-  }
-};
-
 } // End llvm namespace
 
 #endif