diff --git a/llvm/core.py b/llvm/core.py
index 4db8135..20ad062 100644
--- a/llvm/core.py
+++ b/llvm/core.py
@@ -174,20 +174,37 @@ class OpcodeEnum(Enum):
     OPCODE_PTRTOINT       = 42
     OPCODE_INTTOPTR       = 43
     OPCODE_BITCAST        = 44
-    OPCODE_ICMP           = 45
-    OPCODE_FCMP           = 46
-    OPCODE_PHI            = 47
-    OPCODE_CALL           = 48
-    OPCODE_SELECT         = 49
-    OPCODE_USEROP1        = 50
-    OPCODE_USEROP2        = 51
-    OPCODE_VAARG          = 52
-    OPCODE_EXTRACTELEMENT = 53
-    OPCODE_INSERTELEMENT  = 54
-    OPCODE_SHUFFLEVECTOR  = 55
-    OPCODE_EXTRACTVALUE   = 56
-    OPCODE_INSERTVALUE    = 57
-    OPCODE_LANDINGPAD     = 58
+    if llvm.version <= (3, 3):
+        OPCODE_ICMP           = 45
+        OPCODE_FCMP           = 46
+        OPCODE_PHI            = 47
+        OPCODE_CALL           = 48
+        OPCODE_SELECT         = 49
+        OPCODE_USEROP1        = 50
+        OPCODE_USEROP2        = 51
+        OPCODE_VAARG          = 52
+        OPCODE_EXTRACTELEMENT = 53
+        OPCODE_INSERTELEMENT  = 54
+        OPCODE_SHUFFLEVECTOR  = 55
+        OPCODE_EXTRACTVALUE   = 56
+        OPCODE_INSERTVALUE    = 57
+        OPCODE_LANDINGPAD     = 58
+    else:
+        OPCODE_ADDRSPACECAST  = 45
+        OPCODE_ICMP           = 46
+        OPCODE_FCMP           = 47
+        OPCODE_PHI            = 48
+        OPCODE_CALL           = 49
+        OPCODE_SELECT         = 50
+        OPCODE_USEROP1        = 51
+        OPCODE_USEROP2        = 52
+        OPCODE_VAARG          = 53
+        OPCODE_EXTRACTELEMENT = 54
+        OPCODE_INSERTELEMENT  = 55
+        OPCODE_SHUFFLEVECTOR  = 56
+        OPCODE_EXTRACTVALUE   = 57
+        OPCODE_INSERTVALUE    = 58
+        OPCODE_LANDINGPAD     = 59
 
 OpcodeEnum.declare()
 
diff --git a/llvmpy/src/DIBuilder.py b/llvmpy/src/DIBuilder.py
index 78aba4c..44e5445 100644
--- a/llvmpy/src/DIBuilder.py
+++ b/llvmpy/src/DIBuilder.py
@@ -114,20 +114,38 @@ class DIBuilder:
                               ref(DIType),          # Ty
                               )
 
-    createClassType = Method(DIType,
-                             ref(DIDescriptor),     # Scope
-                             stringref_arg,         # Name
-                             ref(DIFile),           # File
-                             unsigned_arg,          # LineNum
-                             uint64_arg,            # SizeInBits
-                             uint64_arg,            # AlignInBits
-                             uint64_arg,            # OffsetInBits,
-                             unsigned_arg,          # Flags
-                             ref(DIType),           # DerivedFrom
-                             ref(DIArray),          # Elements
-                             ptr(MDNode),           # VTableHolder = 0
-                             ptr(MDNode),           # TemplateParms = 0
-                             ).require_only(10)
+    if LLVM_VERSION <= (3, 3):
+        createClassType = Method(DIType,
+                                 ref(DIDescriptor),     # Scope
+                                 stringref_arg,         # Name
+                                 ref(DIFile),           # File
+                                 unsigned_arg,          # LineNum
+                                 uint64_arg,            # SizeInBits
+                                 uint64_arg,            # AlignInBits
+                                 uint64_arg,            # OffsetInBits,
+                                 unsigned_arg,          # Flags
+                                 ref(DIType),           # DerivedFrom
+                                 ref(DIArray),          # Elements
+                                 ptr(MDNode),           # VTableHolder = 0
+                                 ptr(MDNode),           # TemplateParms = 0
+                                 ).require_only(10)
+    else:
+        createClassType = Method(DIType,
+                                 ref(DIDescriptor),     # Scope
+                                 stringref_arg,         # Name
+                                 ref(DIFile),           # File
+                                 unsigned_arg,          # LineNum
+                                 uint64_arg,            # SizeInBits
+                                 uint64_arg,            # AlignInBits
+                                 uint64_arg,            # OffsetInBits,
+                                 unsigned_arg,          # Flags
+                                 ref(DIType),           # DerivedFrom
+                                 ref(DIArray),          # Elements
+                                 ref(DIType),           # VTableHolder = DIType()
+                                 ptr(MDNode),           # TemplateParms = 0
+                                 stringref_arg,         # UniqueIdentifier
+                                 ).require_only(10)
+
 
     if LLVM_VERSION >= (3, 3):
         createStructType = Method(DIType,
@@ -303,7 +321,7 @@ class DIBuilder:
                           bool_arg,                 # isDefinition
                           unsigned_arg,             # Virtuality=0
                           unsigned_arg,             # VTableIndex=0
-                          ptr(MDNode),              # *VTableHolder=0
+                          ptr(MDNode) if LLVM_VERSION <= (3, 3) else ref(DIType), # VTableHolder
                           unsigned_arg,             # Flags=0
                           bool_arg,                 # isOptimized=false
                           ptr(Function),            # *Fn=0
diff --git a/llvmpy/src/ExecutionEngine/ExecutionEngine.py b/llvmpy/src/ExecutionEngine/ExecutionEngine.py
index d6dfe43..7545c51 100644
--- a/llvmpy/src/ExecutionEngine/ExecutionEngine.py
+++ b/llvmpy/src/ExecutionEngine/ExecutionEngine.py
@@ -88,9 +88,6 @@ class ExecutionEngine:
     isLazyCompilationDisabled = Method(cast(Bool, bool))
     DisableGVCompilation = Method(Void, cast(bool, Bool))
     isSymbolSearchingDisabled = Method(cast(Bool, bool))
-    RegisterTable = Method(Void, ptr(Function), cast(int, VoidPtr))
-    DeregisterTable = Method(Void, ptr(Function))
-    DeregisterAllTables = Method()
 
     _runFunction = CustomMethod('ExecutionEngine_RunFunction',
                                 PyObjectPtr, ptr(Function), PyObjectPtr)
diff --git a/llvmpy/src/GlobalValue.py b/llvmpy/src/GlobalValue.py
index 49071e3..68aa26b 100644
--- a/llvmpy/src/GlobalValue.py
+++ b/llvmpy/src/GlobalValue.py
@@ -13,7 +13,7 @@ class GlobalValue:
 
     LinkageTypes = Enum('''
         ExternalLinkage, AvailableExternallyLinkage, LinkOnceAnyLinkage,
-        LinkOnceODRLinkage, LinkOnceODRAutoHideLinkage, WeakAnyLinkage,
+        LinkOnceODRLinkage, WeakAnyLinkage,
         WeakODRLinkage, AppendingLinkage, InternalLinkage, PrivateLinkage,
         LinkerPrivateLinkage, LinkerPrivateWeakLinkage, DLLImportLinkage,
         DLLExportLinkage, ExternalWeakLinkage, CommonLinkage
diff --git a/llvmpy/src/Support/TargetRegistry.py b/llvmpy/src/Support/TargetRegistry.py
index 0635e2b..1a6d008 100644
--- a/llvmpy/src/Support/TargetRegistry.py
+++ b/llvmpy/src/Support/TargetRegistry.py
@@ -34,13 +34,6 @@ class Target:
     hasJIT = _has()
     hasTargetMachine = _has()
     hasMCAsmBackend = _has()
-    hasMCAsmParser = _has()
-    hasAsmPrinter = _has()
-    hasMCDisassembler = _has()
-    hasMCInstPrinter = _has()
-    hasMCCodeEmitter = _has()
-    hasMCObjectStreamer = _has()
-    hasAsmStreamer = _has()
 
     createTargetMachine = Method(ptr(TargetMachine),
                                  cast(str, StringRef), # triple
diff --git a/test/target_info.py b/test/target_info.py
index 2242bbb..7f9751a 100644
--- a/test/target_info.py
+++ b/test/target_info.py
@@ -10,14 +10,7 @@ mthds = (
     ("description:",            "getShortDescription"),
     ("has JIT:",                "hasJIT"             ),
     ("has target machine:",     "hasTargetMachine"   ),
-    ("has asm backend:",        "hasMCAsmBackend"    ),
-    ("has asm parser:",         "hasMCAsmParser"     ),
-    ("has asm printer:",        "hasAsmPrinter"      ),
-    ("has disassembler:",       "hasMCDisassembler"  ),
-    ("has inst printer:",       "hasMCInstPrinter"   ),
-    ("has code emitter:",       "hasMCCodeEmitter"   ),
-    ("has object streamer:",    "hasMCObjectStreamer"),
-    ("has asm streamer:",       "hasAsmStreamer"     )
+    ("has asm backend:",        "hasMCAsmBackend"    )
 )
 
 for target in llvm.TargetRegistry.targetsList():