diff --git a/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
index 6c5a5ab..9f81da0 100644
--- a/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ b/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -1002,11 +1002,11 @@
   EVT VT = Op.getValueType();
   assert(ES->getTargetFlags() == 0 &&
          "Unexpected target flags on generic ExternalSymbolSDNode");
-  // Set the TargetFlags to 0x1 which indicates that this is a "function"
-  // symbol rather than a data symbol. We do this unconditionally even though
-  // we don't know anything about the symbol other than its name, because all
-  // external symbols used in target-independent SelectionDAG code are for
-  // functions.
+  // Set the TargetFlags to MO_SYMBOL_FUNCTION which indicates that this is a
+  // "function" symbol rather than a data symbol. We do this unconditionally
+  // even though we don't know anything about the symbol other than its name,
+  // because all external symbols used in target-independent SelectionDAG code
+  // are for functions.
   return DAG.getNode(
       WebAssemblyISD::Wrapper, DL, VT,
       DAG.getTargetExternalSymbol(ES->getSymbol(), VT,
diff --git a/lib/Target/WebAssembly/WebAssemblyInstrAtomics.td b/lib/Target/WebAssembly/WebAssemblyInstrAtomics.td
index f0cb0c2..86ed5ef 100644
--- a/lib/Target/WebAssembly/WebAssemblyInstrAtomics.td
+++ b/lib/Target/WebAssembly/WebAssemblyInstrAtomics.td
@@ -77,12 +77,6 @@
                                    I32:$count)),
       (ATOMIC_NOTIFY 0, tglobaladdr:$off, I32:$addr, I32:$count)>;
 
-def NotifyPatExternalSym :
-  Pat<(i32 (int_wasm_atomic_notify (add I32:$addr,
-                                    (WebAssemblywrapper texternalsym:$off)),
-                                   I32:$count)),
-      (ATOMIC_NOTIFY 0, texternalsym:$off, I32:$addr, I32:$count)>;
-
 // Select notifys with just a constant offset.
 def NotifyPatOffsetOnly :
   Pat<(i32 (int_wasm_atomic_notify imm:$off, I32:$count)),
@@ -93,11 +87,6 @@
                                    I32:$count)),
       (ATOMIC_NOTIFY 0, tglobaladdr:$off, (CONST_I32 0), I32:$count)>;
 
-def NotifyPatExternSymOffOnly :
-  Pat<(i32 (int_wasm_atomic_notify (WebAssemblywrapper texternalsym:$off),
-                                   I32:$count)),
-      (ATOMIC_NOTIFY 0, texternalsym:$off, (CONST_I32 0), I32:$count)>;
-
 // Select waits with no constant offset.
 class WaitPatNoOffset<ValueType ty, Intrinsic kind, NI inst> :
   Pat<(i32 (kind I32:$addr, ty:$exp, I64:$timeout)),
@@ -123,13 +112,6 @@
 def : WaitPatGlobalAddr<i32, int_wasm_atomic_wait_i32, ATOMIC_WAIT_I32>;
 def : WaitPatGlobalAddr<i64, int_wasm_atomic_wait_i64, ATOMIC_WAIT_I64>;
 
-class WaitPatExternalSym<ValueType ty, Intrinsic kind, NI inst> :
-  Pat<(i32 (kind (add I32:$addr, (WebAssemblywrapper texternalsym:$off)),
-                 ty:$exp, I64:$timeout)),
-      (inst 0, texternalsym:$off, I32:$addr, ty:$exp, I64:$timeout)>;
-def : WaitPatExternalSym<i32, int_wasm_atomic_wait_i32, ATOMIC_WAIT_I32>;
-def : WaitPatExternalSym<i64, int_wasm_atomic_wait_i64, ATOMIC_WAIT_I64>;
-
 // Select wait_i32, ATOMIC_WAIT_I32s with just a constant offset.
 class WaitPatOffsetOnly<ValueType ty, Intrinsic kind, NI inst> :
   Pat<(i32 (kind imm:$off, ty:$exp, I64:$timeout)),
@@ -142,13 +124,6 @@
       (inst 0, tglobaladdr:$off, (CONST_I32 0), ty:$exp, I64:$timeout)>;
 def : WaitPatGlobalAddrOffOnly<i32, int_wasm_atomic_wait_i32, ATOMIC_WAIT_I32>;
 def : WaitPatGlobalAddrOffOnly<i64, int_wasm_atomic_wait_i64, ATOMIC_WAIT_I64>;
-
-class WaitPatExternSymOffOnly<ValueType ty, Intrinsic kind, NI inst> :
-  Pat<(i32 (kind (WebAssemblywrapper texternalsym:$off), ty:$exp,
-                 I64:$timeout)),
-      (inst 0, texternalsym:$off, (CONST_I32 0), ty:$exp, I64:$timeout)>;
-def : WaitPatExternSymOffOnly<i32, int_wasm_atomic_wait_i32, ATOMIC_WAIT_I32>;
-def : WaitPatExternSymOffOnly<i64, int_wasm_atomic_wait_i64, ATOMIC_WAIT_I64>;
 } // Predicates = [HasAtomics]
 
 //===----------------------------------------------------------------------===//
@@ -179,9 +154,6 @@
 def : LoadPatGlobalAddr<i32, atomic_load_32, ATOMIC_LOAD_I32>;
 def : LoadPatGlobalAddr<i64, atomic_load_64, ATOMIC_LOAD_I64>;
 
-def : LoadPatExternalSym<i32, atomic_load_32, ATOMIC_LOAD_I32>;
-def : LoadPatExternalSym<i64, atomic_load_64, ATOMIC_LOAD_I64>;
-
 // Select loads with just a constant offset.
 def : LoadPatOffsetOnly<i32, atomic_load_32, ATOMIC_LOAD_I32>;
 def : LoadPatOffsetOnly<i64, atomic_load_64, ATOMIC_LOAD_I64>;
@@ -189,9 +161,6 @@
 def : LoadPatGlobalAddrOffOnly<i32, atomic_load_32, ATOMIC_LOAD_I32>;
 def : LoadPatGlobalAddrOffOnly<i64, atomic_load_64, ATOMIC_LOAD_I64>;
 
-def : LoadPatExternSymOffOnly<i32, atomic_load_32, ATOMIC_LOAD_I32>;
-def : LoadPatExternSymOffOnly<i64, atomic_load_64, ATOMIC_LOAD_I64>;
-
 } // Predicates = [HasAtomics]
 
 // Extending loads. Note that there are only zero-extending atomic loads, no
@@ -285,16 +254,6 @@
 def : LoadPatGlobalAddr<i64, sext_aload_8_64, ATOMIC_LOAD8_U_I64>;
 def : LoadPatGlobalAddr<i64, sext_aload_16_64, ATOMIC_LOAD16_U_I64>;
 
-def : LoadPatExternalSym<i32, zext_aload_8_32, ATOMIC_LOAD8_U_I32>;
-def : LoadPatExternalSym<i32, zext_aload_16_32, ATOMIC_LOAD16_U_I32>;
-def : LoadPatExternalSym<i64, zext_aload_8_64, ATOMIC_LOAD8_U_I64>;
-def : LoadPatExternalSym<i64, zext_aload_16_64, ATOMIC_LOAD16_U_I64>;
-def : LoadPatExternalSym<i64, zext_aload_32_64, ATOMIC_LOAD32_U_I64>;
-def : LoadPatExternalSym<i32, atomic_load_8, ATOMIC_LOAD8_U_I32>;
-def : LoadPatExternalSym<i32, atomic_load_16, ATOMIC_LOAD16_U_I32>;
-def : LoadPatExternalSym<i64, sext_aload_8_64, ATOMIC_LOAD8_U_I64>;
-def : LoadPatExternalSym<i64, sext_aload_16_64, ATOMIC_LOAD16_U_I64>;
-
 // Extending loads with just a constant offset
 def : LoadPatOffsetOnly<i32, zext_aload_8_32, ATOMIC_LOAD8_U_I32>;
 def : LoadPatOffsetOnly<i32, zext_aload_16_32, ATOMIC_LOAD16_U_I32>;
@@ -316,16 +275,6 @@
 def : LoadPatGlobalAddrOffOnly<i64, sext_aload_8_64, ATOMIC_LOAD8_U_I64>;
 def : LoadPatGlobalAddrOffOnly<i64, sext_aload_16_64, ATOMIC_LOAD16_U_I64>;
 
-def : LoadPatExternSymOffOnly<i32, zext_aload_8_32, ATOMIC_LOAD8_U_I32>;
-def : LoadPatExternSymOffOnly<i32, zext_aload_16_32, ATOMIC_LOAD16_U_I32>;
-def : LoadPatExternSymOffOnly<i64, zext_aload_8_64, ATOMIC_LOAD8_U_I64>;
-def : LoadPatExternSymOffOnly<i64, zext_aload_16_64, ATOMIC_LOAD16_U_I64>;
-def : LoadPatExternSymOffOnly<i64, zext_aload_32_64, ATOMIC_LOAD32_U_I64>;
-def : LoadPatExternSymOffOnly<i32, atomic_load_8, ATOMIC_LOAD8_U_I32>;
-def : LoadPatExternSymOffOnly<i32, atomic_load_16, ATOMIC_LOAD16_U_I32>;
-def : LoadPatExternSymOffOnly<i64, sext_aload_8_64, ATOMIC_LOAD8_U_I64>;
-def : LoadPatExternSymOffOnly<i64, sext_aload_16_64, ATOMIC_LOAD16_U_I64>;
-
 } // Predicates = [HasAtomics]
 
 //===----------------------------------------------------------------------===//
@@ -371,12 +320,6 @@
 def : AStorePatGlobalAddr<i32, atomic_store_32, ATOMIC_STORE_I32>;
 def : AStorePatGlobalAddr<i64, atomic_store_64, ATOMIC_STORE_I64>;
 
-class AStorePatExternalSym<ValueType ty, PatFrag kind, NI inst> :
-  Pat<(kind (add I32:$addr, (WebAssemblywrapper texternalsym:$off)), ty:$val),
-      (inst 0, texternalsym:$off, I32:$addr, ty:$val)>;
-def : AStorePatExternalSym<i32, atomic_store_32, ATOMIC_STORE_I32>;
-def : AStorePatExternalSym<i64, atomic_store_64, ATOMIC_STORE_I64>;
-
 // Select stores with just a constant offset.
 class AStorePatOffsetOnly<ValueType ty, PatFrag kind, NI inst> :
   Pat<(kind imm:$off, ty:$val), (inst 0, imm:$off, (CONST_I32 0), ty:$val)>;
@@ -389,12 +332,6 @@
 def : AStorePatGlobalAddrOffOnly<i32, atomic_store_32, ATOMIC_STORE_I32>;
 def : AStorePatGlobalAddrOffOnly<i64, atomic_store_64, ATOMIC_STORE_I64>;
 
-class AStorePatExternSymOffOnly<ValueType ty, PatFrag kind, NI inst> :
-  Pat<(kind (WebAssemblywrapper texternalsym:$off), ty:$val),
-      (inst 0, texternalsym:$off, (CONST_I32 0), ty:$val)>;
-def : AStorePatExternSymOffOnly<i32, atomic_store_32, ATOMIC_STORE_I32>;
-def : AStorePatExternSymOffOnly<i64, atomic_store_64, ATOMIC_STORE_I64>;
-
 } // Predicates = [HasAtomics]
 
 // Truncating stores.
@@ -443,12 +380,6 @@
 def : AStorePatGlobalAddr<i64, trunc_astore_16_64, ATOMIC_STORE16_I64>;
 def : AStorePatGlobalAddr<i64, trunc_astore_32_64, ATOMIC_STORE32_I64>;
 
-def : AStorePatExternalSym<i32, atomic_store_8, ATOMIC_STORE8_I32>;
-def : AStorePatExternalSym<i32, atomic_store_16, ATOMIC_STORE16_I32>;
-def : AStorePatExternalSym<i64, trunc_astore_8_64, ATOMIC_STORE8_I64>;
-def : AStorePatExternalSym<i64, trunc_astore_16_64, ATOMIC_STORE16_I64>;
-def : AStorePatExternalSym<i64, trunc_astore_32_64, ATOMIC_STORE32_I64>;
-
 // Truncating stores with just a constant offset
 def : AStorePatOffsetOnly<i32, atomic_store_8, ATOMIC_STORE8_I32>;
 def : AStorePatOffsetOnly<i32, atomic_store_16, ATOMIC_STORE16_I32>;
@@ -462,12 +393,6 @@
 def : AStorePatGlobalAddrOffOnly<i64, trunc_astore_16_64, ATOMIC_STORE16_I64>;
 def : AStorePatGlobalAddrOffOnly<i64, trunc_astore_32_64, ATOMIC_STORE32_I64>;
 
-def : AStorePatExternSymOffOnly<i32, atomic_store_8, ATOMIC_STORE8_I32>;
-def : AStorePatExternSymOffOnly<i32, atomic_store_16, ATOMIC_STORE16_I32>;
-def : AStorePatExternSymOffOnly<i64, trunc_astore_8_64, ATOMIC_STORE8_I64>;
-def : AStorePatExternSymOffOnly<i64, trunc_astore_16_64, ATOMIC_STORE16_I64>;
-def : AStorePatExternSymOffOnly<i64, trunc_astore_32_64, ATOMIC_STORE32_I64>;
-
 } // Predicates = [HasAtomics]
 
 //===----------------------------------------------------------------------===//
@@ -580,11 +505,6 @@
                 ty:$val)),
       (inst 0, tglobaladdr:$off, I32:$addr, ty:$val)>;
 
-class BinRMWPatExternalSym<ValueType ty, PatFrag kind, NI inst> :
-  Pat<(ty (kind (add I32:$addr, (WebAssemblywrapper texternalsym:$off)),
-                ty:$val)),
-      (inst 0, texternalsym:$off, I32:$addr, ty:$val)>;
-
 // Select binary RMWs with just a constant offset.
 class BinRMWPatOffsetOnly<ValueType ty, PatFrag kind, NI inst> :
   Pat<(ty (kind imm:$off, ty:$val)),
@@ -594,10 +514,6 @@
   Pat<(ty (kind (WebAssemblywrapper tglobaladdr:$off), ty:$val)),
       (inst 0, tglobaladdr:$off, (CONST_I32 0), ty:$val)>;
 
-class BinRMWPatExternSymOffOnly<ValueType ty, PatFrag kind, NI inst> :
-  Pat<(ty (kind (WebAssemblywrapper texternalsym:$off), ty:$val)),
-      (inst 0, texternalsym:$off, (CONST_I32 0), ty:$val)>;
-
 // Patterns for various addressing modes.
 multiclass BinRMWPattern<PatFrag rmw_32, PatFrag rmw_64, NI inst_32,
                          NI inst_64> {
@@ -612,17 +528,11 @@
   def : BinRMWPatGlobalAddr<i32, rmw_32, inst_32>;
   def : BinRMWPatGlobalAddr<i64, rmw_64, inst_64>;
 
-  def : BinRMWPatExternalSym<i32, rmw_32, inst_32>;
-  def : BinRMWPatExternalSym<i64, rmw_64, inst_64>;
-
   def : BinRMWPatOffsetOnly<i32, rmw_32, inst_32>;
   def : BinRMWPatOffsetOnly<i64, rmw_64, inst_64>;
 
   def : BinRMWPatGlobalAddrOffOnly<i32, rmw_32, inst_32>;
   def : BinRMWPatGlobalAddrOffOnly<i64, rmw_64, inst_64>;
-
-  def : BinRMWPatExternSymOffOnly<i32, rmw_32, inst_32>;
-  def : BinRMWPatExternSymOffOnly<i64, rmw_64, inst_64>;
 }
 
 let Predicates = [HasAtomics] in {
@@ -723,17 +633,6 @@
   def : BinRMWPatGlobalAddr<i64, sext_bin_rmw_8_64<rmw_8>, inst8_64>;
   def : BinRMWPatGlobalAddr<i64, sext_bin_rmw_16_64<rmw_16>, inst16_64>;
 
-  def : BinRMWPatExternalSym<i32, zext_bin_rmw_8_32<rmw_8>, inst8_32>;
-  def : BinRMWPatExternalSym<i32, zext_bin_rmw_16_32<rmw_16>, inst16_32>;
-  def : BinRMWPatExternalSym<i64, zext_bin_rmw_8_64<rmw_8>, inst8_64>;
-  def : BinRMWPatExternalSym<i64, zext_bin_rmw_16_64<rmw_16>, inst16_64>;
-  def : BinRMWPatExternalSym<i64, zext_bin_rmw_32_64<rmw_32>, inst32_64>;
-
-  def : BinRMWPatExternalSym<i32, sext_bin_rmw_8_32<rmw_8>, inst8_32>;
-  def : BinRMWPatExternalSym<i32, sext_bin_rmw_16_32<rmw_16>, inst16_32>;
-  def : BinRMWPatExternalSym<i64, sext_bin_rmw_8_64<rmw_8>, inst8_64>;
-  def : BinRMWPatExternalSym<i64, sext_bin_rmw_16_64<rmw_16>, inst16_64>;
-
   // Truncating-extending binary RMWs with just a constant offset
   def : BinRMWPatOffsetOnly<i32, zext_bin_rmw_8_32<rmw_8>, inst8_32>;
   def : BinRMWPatOffsetOnly<i32, zext_bin_rmw_16_32<rmw_16>, inst16_32>;
@@ -756,17 +655,6 @@
   def : BinRMWPatGlobalAddrOffOnly<i32, sext_bin_rmw_16_32<rmw_16>, inst16_32>;
   def : BinRMWPatGlobalAddrOffOnly<i64, sext_bin_rmw_8_64<rmw_8>, inst8_64>;
   def : BinRMWPatGlobalAddrOffOnly<i64, sext_bin_rmw_16_64<rmw_16>, inst16_64>;
-
-  def : BinRMWPatExternSymOffOnly<i32, zext_bin_rmw_8_32<rmw_8>, inst8_32>;
-  def : BinRMWPatExternSymOffOnly<i32, zext_bin_rmw_16_32<rmw_16>, inst16_32>;
-  def : BinRMWPatExternSymOffOnly<i64, zext_bin_rmw_8_64<rmw_8>, inst8_64>;
-  def : BinRMWPatExternSymOffOnly<i64, zext_bin_rmw_16_64<rmw_16>, inst16_64>;
-  def : BinRMWPatExternSymOffOnly<i64, zext_bin_rmw_32_64<rmw_32>, inst32_64>;
-
-  def : BinRMWPatExternSymOffOnly<i32, sext_bin_rmw_8_32<rmw_8>, inst8_32>;
-  def : BinRMWPatExternSymOffOnly<i32, sext_bin_rmw_16_32<rmw_16>, inst16_32>;
-  def : BinRMWPatExternSymOffOnly<i64, sext_bin_rmw_8_64<rmw_8>, inst8_64>;
-  def : BinRMWPatExternSymOffOnly<i64, sext_bin_rmw_16_64<rmw_16>, inst16_64>;
 }
 
 let Predicates = [HasAtomics] in {
@@ -849,11 +737,6 @@
                 ty:$exp, ty:$new)),
       (inst 0, tglobaladdr:$off, I32:$addr, ty:$exp, ty:$new)>;
 
-class TerRMWPatExternalSym<ValueType ty, PatFrag kind, NI inst> :
-  Pat<(ty (kind (add I32:$addr, (WebAssemblywrapper texternalsym:$off)),
-                ty:$exp, ty:$new)),
-      (inst 0, texternalsym:$off, I32:$addr, ty:$exp, ty:$new)>;
-
 // Select ternary RMWs with just a constant offset.
 class TerRMWPatOffsetOnly<ValueType ty, PatFrag kind, NI inst> :
   Pat<(ty (kind imm:$off, ty:$exp, ty:$new)),
@@ -863,10 +746,6 @@
   Pat<(ty (kind (WebAssemblywrapper tglobaladdr:$off), ty:$exp, ty:$new)),
       (inst 0, tglobaladdr:$off, (CONST_I32 0), ty:$exp, ty:$new)>;
 
-class TerRMWPatExternSymOffOnly<ValueType ty, PatFrag kind, NI inst> :
-  Pat<(ty (kind (WebAssemblywrapper texternalsym:$off), ty:$exp, ty:$new)),
-      (inst 0, texternalsym:$off, (CONST_I32 0), ty:$exp, ty:$new)>;
-
 // Patterns for various addressing modes.
 multiclass TerRMWPattern<PatFrag rmw_32, PatFrag rmw_64, NI inst_32,
                          NI inst_64> {
@@ -881,17 +760,11 @@
   def : TerRMWPatGlobalAddr<i32, rmw_32, inst_32>;
   def : TerRMWPatGlobalAddr<i64, rmw_64, inst_64>;
 
-  def : TerRMWPatExternalSym<i32, rmw_32, inst_32>;
-  def : TerRMWPatExternalSym<i64, rmw_64, inst_64>;
-
   def : TerRMWPatOffsetOnly<i32, rmw_32, inst_32>;
   def : TerRMWPatOffsetOnly<i64, rmw_64, inst_64>;
 
   def : TerRMWPatGlobalAddrOffOnly<i32, rmw_32, inst_32>;
   def : TerRMWPatGlobalAddrOffOnly<i64, rmw_64, inst_64>;
-
-  def : TerRMWPatExternSymOffOnly<i32, rmw_32, inst_32>;
-  def : TerRMWPatExternSymOffOnly<i64, rmw_64, inst_64>;
 }
 
 let Predicates = [HasAtomics] in
@@ -984,17 +857,6 @@
   def : TerRMWPatGlobalAddr<i64, sext_ter_rmw_8_64<rmw_8>, inst8_64>;
   def : TerRMWPatGlobalAddr<i64, sext_ter_rmw_16_64<rmw_16>, inst16_64>;
 
-  def : TerRMWPatExternalSym<i32, zext_ter_rmw_8_32<rmw_8>, inst8_32>;
-  def : TerRMWPatExternalSym<i32, zext_ter_rmw_16_32<rmw_16>, inst16_32>;
-  def : TerRMWPatExternalSym<i64, zext_ter_rmw_8_64<rmw_8>, inst8_64>;
-  def : TerRMWPatExternalSym<i64, zext_ter_rmw_16_64<rmw_16>, inst16_64>;
-  def : TerRMWPatExternalSym<i64, zext_ter_rmw_32_64<rmw_32>, inst32_64>;
-
-  def : TerRMWPatExternalSym<i32, sext_ter_rmw_8_32<rmw_8>, inst8_32>;
-  def : TerRMWPatExternalSym<i32, sext_ter_rmw_16_32<rmw_16>, inst16_32>;
-  def : TerRMWPatExternalSym<i64, sext_ter_rmw_8_64<rmw_8>, inst8_64>;
-  def : TerRMWPatExternalSym<i64, sext_ter_rmw_16_64<rmw_16>, inst16_64>;
-
   // Truncating-extending ternary RMWs with just a constant offset
   def : TerRMWPatOffsetOnly<i32, zext_ter_rmw_8_32<rmw_8>, inst8_32>;
   def : TerRMWPatOffsetOnly<i32, zext_ter_rmw_16_32<rmw_16>, inst16_32>;
@@ -1017,17 +879,6 @@
   def : TerRMWPatGlobalAddrOffOnly<i32, sext_ter_rmw_16_32<rmw_16>, inst16_32>;
   def : TerRMWPatGlobalAddrOffOnly<i64, sext_ter_rmw_8_64<rmw_8>, inst8_64>;
   def : TerRMWPatGlobalAddrOffOnly<i64, sext_ter_rmw_16_64<rmw_16>, inst16_64>;
-
-  def : TerRMWPatExternSymOffOnly<i32, zext_ter_rmw_8_32<rmw_8>, inst8_32>;
-  def : TerRMWPatExternSymOffOnly<i32, zext_ter_rmw_16_32<rmw_16>, inst16_32>;
-  def : TerRMWPatExternSymOffOnly<i64, zext_ter_rmw_8_64<rmw_8>, inst8_64>;
-  def : TerRMWPatExternSymOffOnly<i64, zext_ter_rmw_16_64<rmw_16>, inst16_64>;
-  def : TerRMWPatExternSymOffOnly<i64, zext_ter_rmw_32_64<rmw_32>, inst32_64>;
-
-  def : TerRMWPatExternSymOffOnly<i32, sext_ter_rmw_8_32<rmw_8>, inst8_32>;
-  def : TerRMWPatExternSymOffOnly<i32, sext_ter_rmw_16_32<rmw_16>, inst16_32>;
-  def : TerRMWPatExternSymOffOnly<i64, sext_ter_rmw_8_64<rmw_8>, inst8_64>;
-  def : TerRMWPatExternSymOffOnly<i64, sext_ter_rmw_16_64<rmw_16>, inst16_64>;
 }
 
 let Predicates = [HasAtomics] in
diff --git a/lib/Target/WebAssembly/WebAssemblyInstrMemory.td b/lib/Target/WebAssembly/WebAssemblyInstrMemory.td
index 0d6d12f..46a87f9 100644
--- a/lib/Target/WebAssembly/WebAssemblyInstrMemory.td
+++ b/lib/Target/WebAssembly/WebAssemblyInstrMemory.td
@@ -102,15 +102,6 @@
 def : LoadPatGlobalAddr<f32, load, LOAD_F32>;
 def : LoadPatGlobalAddr<f64, load, LOAD_F64>;
 
-class LoadPatExternalSym<ValueType ty, PatFrag kind, NI inst> :
-  Pat<(ty (kind (add I32:$addr, (WebAssemblywrapper texternalsym:$off)))),
-      (inst 0, texternalsym:$off, I32:$addr)>;
-def : LoadPatExternalSym<i32, load, LOAD_I32>;
-def : LoadPatExternalSym<i64, load, LOAD_I64>;
-def : LoadPatExternalSym<f32, load, LOAD_F32>;
-def : LoadPatExternalSym<f64, load, LOAD_F64>;
-
-
 // Select loads with just a constant offset.
 class LoadPatOffsetOnly<ValueType ty, PatFrag kind, NI inst> :
   Pat<(ty (kind imm:$off)), (inst 0, imm:$off, (CONST_I32 0))>;
@@ -129,14 +120,6 @@
 def : LoadPatGlobalAddrOffOnly<f32, load, LOAD_F32>;
 def : LoadPatGlobalAddrOffOnly<f64, load, LOAD_F64>;
 
-class LoadPatExternSymOffOnly<ValueType ty, PatFrag kind, NI inst> :
-  Pat<(ty (kind (WebAssemblywrapper texternalsym:$off))),
-      (inst 0, texternalsym:$off, (CONST_I32 0))>;
-def : LoadPatExternSymOffOnly<i32, load, LOAD_I32>;
-def : LoadPatExternSymOffOnly<i64, load, LOAD_I64>;
-def : LoadPatExternSymOffOnly<f32, load, LOAD_F32>;
-def : LoadPatExternSymOffOnly<f64, load, LOAD_F64>;
-
 // Extending load.
 defm LOAD8_S_I32 : WebAssemblyLoad<I32, "i32.load8_s", 0x2c>;
 defm LOAD8_U_I32 : WebAssemblyLoad<I32, "i32.load8_u", 0x2d>;
@@ -196,18 +179,6 @@
 def : LoadPatGlobalAddr<i64, sextloadi32, LOAD32_S_I64>;
 def : LoadPatGlobalAddr<i64, zextloadi32, LOAD32_U_I64>;
 
-def : LoadPatExternalSym<i32, sextloadi8, LOAD8_S_I32>;
-def : LoadPatExternalSym<i32, zextloadi8, LOAD8_U_I32>;
-def : LoadPatExternalSym<i32, sextloadi16, LOAD16_S_I32>;
-def : LoadPatExternalSym<i32, zextloadi16, LOAD16_U_I32>;
-def : LoadPatExternalSym<i64, sextloadi8, LOAD8_S_I64>;
-def : LoadPatExternalSym<i64, zextloadi8, LOAD8_U_I64>;
-def : LoadPatExternalSym<i64, sextloadi16, LOAD16_S_I64>;
-def : LoadPatExternalSym<i64, zextloadi16, LOAD16_U_I64>;
-def : LoadPatExternalSym<i64, sextloadi32, LOAD32_S_I64>;
-def : LoadPatExternalSym<i64, zextloadi32, LOAD32_U_I64>;
-
-
 // Select extending loads with just a constant offset.
 def : LoadPatOffsetOnly<i32, sextloadi8, LOAD8_S_I32>;
 def : LoadPatOffsetOnly<i32, zextloadi8, LOAD8_U_I32>;
@@ -232,17 +203,6 @@
 def : LoadPatGlobalAddrOffOnly<i64, sextloadi32, LOAD32_S_I64>;
 def : LoadPatGlobalAddrOffOnly<i64, zextloadi32, LOAD32_U_I64>;
 
-def : LoadPatExternSymOffOnly<i32, sextloadi8, LOAD8_S_I32>;
-def : LoadPatExternSymOffOnly<i32, zextloadi8, LOAD8_U_I32>;
-def : LoadPatExternSymOffOnly<i32, sextloadi16, LOAD16_S_I32>;
-def : LoadPatExternSymOffOnly<i32, zextloadi16, LOAD16_U_I32>;
-def : LoadPatExternSymOffOnly<i64, sextloadi8, LOAD8_S_I64>;
-def : LoadPatExternSymOffOnly<i64, zextloadi8, LOAD8_U_I64>;
-def : LoadPatExternSymOffOnly<i64, sextloadi16, LOAD16_S_I64>;
-def : LoadPatExternSymOffOnly<i64, zextloadi16, LOAD16_U_I64>;
-def : LoadPatExternSymOffOnly<i64, sextloadi32, LOAD32_S_I64>;
-def : LoadPatExternSymOffOnly<i64, zextloadi32, LOAD32_U_I64>;
-
 // Resolve "don't care" extending loads to zero-extending loads. This is
 // somewhat arbitrary, but zero-extending is conceptually simpler.
 
@@ -269,11 +229,6 @@
 def : LoadPatGlobalAddr<i64, extloadi8, LOAD8_U_I64>;
 def : LoadPatGlobalAddr<i64, extloadi16, LOAD16_U_I64>;
 def : LoadPatGlobalAddr<i64, extloadi32, LOAD32_U_I64>;
-def : LoadPatExternalSym<i32, extloadi8, LOAD8_U_I32>;
-def : LoadPatExternalSym<i32, extloadi16, LOAD16_U_I32>;
-def : LoadPatExternalSym<i64, extloadi8, LOAD8_U_I64>;
-def : LoadPatExternalSym<i64, extloadi16, LOAD16_U_I64>;
-def : LoadPatExternalSym<i64, extloadi32, LOAD32_U_I64>;
 
 // Select "don't care" extending loads with just a constant offset.
 def : LoadPatOffsetOnly<i32, extloadi8, LOAD8_U_I32>;
@@ -286,11 +241,6 @@
 def : LoadPatGlobalAddrOffOnly<i64, extloadi8, LOAD8_U_I64>;
 def : LoadPatGlobalAddrOffOnly<i64, extloadi16, LOAD16_U_I64>;
 def : LoadPatGlobalAddrOffOnly<i64, extloadi32, LOAD32_U_I64>;
-def : LoadPatExternSymOffOnly<i32, extloadi8, LOAD8_U_I32>;
-def : LoadPatExternSymOffOnly<i32, extloadi16, LOAD16_U_I32>;
-def : LoadPatExternSymOffOnly<i64, extloadi8, LOAD8_U_I64>;
-def : LoadPatExternSymOffOnly<i64, extloadi16, LOAD16_U_I64>;
-def : LoadPatExternSymOffOnly<i64, extloadi32, LOAD32_U_I64>;
 
 // Defines atomic and non-atomic stores, regular and truncating
 multiclass WebAssemblyStore<WebAssemblyRegClass rc, string Name, int Opcode> {
@@ -341,14 +291,6 @@
 def : StorePatGlobalAddr<f32, store, STORE_F32>;
 def : StorePatGlobalAddr<f64, store, STORE_F64>;
 
-class StorePatExternalSym<ValueType ty, PatFrag kind, NI inst> :
-  Pat<(kind ty:$val, (add I32:$addr, (WebAssemblywrapper texternalsym:$off))),
-      (inst 0, texternalsym:$off, I32:$addr, ty:$val)>;
-def : StorePatExternalSym<i32, store, STORE_I32>;
-def : StorePatExternalSym<i64, store, STORE_I64>;
-def : StorePatExternalSym<f32, store, STORE_F32>;
-def : StorePatExternalSym<f64, store, STORE_F64>;
-
 // Select stores with just a constant offset.
 class StorePatOffsetOnly<ValueType ty, PatFrag kind, NI inst> :
   Pat<(kind ty:$val, imm:$off), (inst 0, imm:$off, (CONST_I32 0), ty:$val)>;
@@ -365,14 +307,6 @@
 def : StorePatGlobalAddrOffOnly<f32, store, STORE_F32>;
 def : StorePatGlobalAddrOffOnly<f64, store, STORE_F64>;
 
-class StorePatExternSymOffOnly<ValueType ty, PatFrag kind, NI inst> :
-  Pat<(kind ty:$val, (WebAssemblywrapper texternalsym:$off)),
-      (inst 0, texternalsym:$off, (CONST_I32 0), ty:$val)>;
-def : StorePatExternSymOffOnly<i32, store, STORE_I32>;
-def : StorePatExternSymOffOnly<i64, store, STORE_I64>;
-def : StorePatExternSymOffOnly<f32, store, STORE_F32>;
-def : StorePatExternSymOffOnly<f64, store, STORE_F64>;
-
 // Truncating store.
 defm STORE8_I32 : WebAssemblyStore<I32, "i32.store8", 0x3a>;
 defm STORE16_I32 : WebAssemblyStore<I32, "i32.store16", 0x3b>;
@@ -404,11 +338,6 @@
 def : StorePatGlobalAddr<i64, truncstorei8, STORE8_I64>;
 def : StorePatGlobalAddr<i64, truncstorei16, STORE16_I64>;
 def : StorePatGlobalAddr<i64, truncstorei32, STORE32_I64>;
-def : StorePatExternalSym<i32, truncstorei8, STORE8_I32>;
-def : StorePatExternalSym<i32, truncstorei16, STORE16_I32>;
-def : StorePatExternalSym<i64, truncstorei8, STORE8_I64>;
-def : StorePatExternalSym<i64, truncstorei16, STORE16_I64>;
-def : StorePatExternalSym<i64, truncstorei32, STORE32_I64>;
 
 // Select truncating stores with just a constant offset.
 def : StorePatOffsetOnly<i32, truncstorei8, STORE8_I32>;
@@ -421,11 +350,6 @@
 def : StorePatGlobalAddrOffOnly<i64, truncstorei8, STORE8_I64>;
 def : StorePatGlobalAddrOffOnly<i64, truncstorei16, STORE16_I64>;
 def : StorePatGlobalAddrOffOnly<i64, truncstorei32, STORE32_I64>;
-def : StorePatExternSymOffOnly<i32, truncstorei8, STORE8_I32>;
-def : StorePatExternSymOffOnly<i32, truncstorei16, STORE16_I32>;
-def : StorePatExternSymOffOnly<i64, truncstorei8, STORE8_I64>;
-def : StorePatExternSymOffOnly<i64, truncstorei16, STORE16_I64>;
-def : StorePatExternSymOffOnly<i64, truncstorei32, STORE32_I64>;
 
 // Current memory size.
 defm MEMORY_SIZE_I32 : I<(outs I32:$dst), (ins i32imm:$flags),
diff --git a/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td b/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
index 0d0948c..6f5e89e 100644
--- a/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
+++ b/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
@@ -57,10 +57,8 @@
 def : LoadPatImmOff<vec_t, load, regPlusImm, !cast<NI>("LOAD_"#vec_t)>;
 def : LoadPatImmOff<vec_t, load, or_is_add, !cast<NI>("LOAD_"#vec_t)>;
 def : LoadPatGlobalAddr<vec_t, load, !cast<NI>("LOAD_"#vec_t)>;
-def : LoadPatExternalSym<vec_t, load, !cast<NI>("LOAD_"#vec_t)>;
 def : LoadPatOffsetOnly<vec_t, load, !cast<NI>("LOAD_"#vec_t)>;
 def : LoadPatGlobalAddrOffOnly<vec_t, load, !cast<NI>("LOAD_"#vec_t)>;
-def : LoadPatExternSymOffOnly<vec_t, load, !cast<NI>("LOAD_"#vec_t)>;
 }
 
 // Store: v128.store
@@ -81,10 +79,8 @@
 def : StorePatImmOff<vec_t, store, regPlusImm, !cast<NI>("STORE_"#vec_t)>;
 def : StorePatImmOff<vec_t, store, or_is_add, !cast<NI>("STORE_"#vec_t)>;
 def : StorePatGlobalAddr<vec_t, store, !cast<NI>("STORE_"#vec_t)>;
-def : StorePatExternalSym<vec_t, store, !cast<NI>("STORE_"#vec_t)>;
 def : StorePatOffsetOnly<vec_t, store, !cast<NI>("STORE_"#vec_t)>;
 def : StorePatGlobalAddrOffOnly<vec_t, store, !cast<NI>("STORE_"#vec_t)>;
-def : StorePatExternSymOffOnly<vec_t, store, !cast<NI>("STORE_"#vec_t)>;
 }
 
 //===----------------------------------------------------------------------===//