diff --git a/llvm/lib/Target/AMDGPU/SOPInstructions.td b/llvm/lib/Target/AMDGPU/SOPInstructions.td
--- a/llvm/lib/Target/AMDGPU/SOPInstructions.td
+++ b/llvm/lib/Target/AMDGPU/SOPInstructions.td
@@ -1443,8 +1443,9 @@
 //===----------------------------------------------------------------------===//
 
 multiclass SOP1_Real_gfx10<bits<8> op> {
-  def _gfx10 : SOP1_Real<op, !cast<SOP1_Pseudo>(NAME)>,
-               Select_gfx10<!cast<SOP1_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOP1_Pseudo>(NAME);
+  def _gfx10 : SOP1_Real<op, ps>,
+               Select_gfx10<ps.Mnemonic>;
 }
 
 defm S_ANDN1_SAVEEXEC_B64   : SOP1_Real_gfx10<0x037>;
@@ -1472,8 +1473,9 @@
 
 
 multiclass SOP1_Real_gfx6_gfx7<bits<8> op> {
-  def _gfx6_gfx7 : SOP1_Real<op, !cast<SOP1_Pseudo>(NAME)>,
-                   Select_gfx6_gfx7<!cast<SOP1_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOP1_Pseudo>(NAME);
+  def _gfx6_gfx7 : SOP1_Real<op, ps>,
+                   Select_gfx6_gfx7<ps.Mnemonic>;
 }
 
 multiclass SOP1_Real_gfx6_gfx7_gfx10<bits<8> op> :
@@ -1534,8 +1536,9 @@
 //===----------------------------------------------------------------------===//
 
 multiclass SOP2_Real_gfx10<bits<7> op> {
-  def _gfx10 : SOP2_Real<op, !cast<SOP2_Pseudo>(NAME)>,
-               Select_gfx10<!cast<SOP2_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOP2_Pseudo>(NAME);
+  def _gfx10 : SOP2_Real<op, ps>,
+               Select_gfx10<ps.Mnemonic>;
 }
 
 defm S_LSHL1_ADD_U32   : SOP2_Real_gfx10<0x02e>;
@@ -1553,8 +1556,9 @@
 //===----------------------------------------------------------------------===//
 
 multiclass SOP2_Real_gfx6_gfx7<bits<7> op> {
-  def _gfx6_gfx7 : SOP2_Real<op, !cast<SOP_Pseudo>(NAME)>,
-                   Select_gfx6_gfx7<!cast<SOP_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOP_Pseudo>(NAME);
+  def _gfx6_gfx7 : SOP2_Real<op, ps>,
+                   Select_gfx6_gfx7<ps.Mnemonic>;
 }
 
 multiclass SOP2_Real_gfx6_gfx7_gfx10<bits<7> op> :
@@ -1610,13 +1614,15 @@
 //===----------------------------------------------------------------------===//
 
 multiclass SOPK_Real32_gfx10<bits<5> op> {
-  def _gfx10 : SOPK_Real32<op, !cast<SOPK_Pseudo>(NAME)>,
-               Select_gfx10<!cast<SOPK_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOPK_Pseudo>(NAME);
+  def _gfx10 : SOPK_Real32<op, ps>,
+               Select_gfx10<ps.Mnemonic>;
 }
 
 multiclass SOPK_Real64_gfx10<bits<5> op> {
-  def _gfx10 : SOPK_Real64<op, !cast<SOPK_Pseudo>(NAME)>,
-               Select_gfx10<!cast<SOPK_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOPK_Pseudo>(NAME);
+  def _gfx10 : SOPK_Real64<op, ps>,
+               Select_gfx10<ps.Mnemonic>;
 }
 
 defm S_VERSION              : SOPK_Real32_gfx10<0x001>;
@@ -1633,13 +1639,15 @@
 //===----------------------------------------------------------------------===//
 
 multiclass SOPK_Real32_gfx6_gfx7<bits<5> op> {
-  def _gfx6_gfx7 : SOPK_Real32<op, !cast<SOPK_Pseudo>(NAME)>,
-                   Select_gfx6_gfx7<!cast<SOPK_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOPK_Pseudo>(NAME);
+  def _gfx6_gfx7 : SOPK_Real32<op, ps>,
+                   Select_gfx6_gfx7<ps.Mnemonic>;
 }
 
 multiclass SOPK_Real64_gfx6_gfx7<bits<5> op> {
-  def _gfx6_gfx7 : SOPK_Real64<op, !cast<SOPK_Pseudo>(NAME)>,
-                   Select_gfx6_gfx7<!cast<SOPK_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOPK_Pseudo>(NAME);
+  def _gfx6_gfx7 : SOPK_Real64<op, ps>,
+                   Select_gfx6_gfx7<ps.Mnemonic>;
 }
 
 multiclass SOPK_Real32_gfx6_gfx7_gfx10<bits<5> op> :
@@ -1675,21 +1683,24 @@
 //===----------------------------------------------------------------------===//
 
 multiclass SOPP_Real_32_gfx6_gfx7<bits<7> op, string real_name = !cast<SOPP_Pseudo>(NAME).Mnemonic> {
-  def _gfx6_gfx7 : SOPP_Real_32<op, !cast<SOPP_Pseudo>(NAME), real_name>,
-                   Select_gfx6_gfx7<!cast<SOPP_Pseudo>(NAME).Mnemonic>,
-                   SOPPRelaxTable<0, !cast<SOPP_Pseudo>(NAME).KeyName, "_gfx6_gfx7">;
+  defvar ps = !cast<SOPP_Pseudo>(NAME);
+  def _gfx6_gfx7 : SOPP_Real_32<op, ps, real_name>,
+                   Select_gfx6_gfx7<ps.Mnemonic>,
+                   SOPPRelaxTable<0, ps.KeyName, "_gfx6_gfx7">;
 }
 
 multiclass SOPP_Real_32_gfx8_gfx9<bits<7> op, string real_name = !cast<SOPP_Pseudo>(NAME).Mnemonic # " "> {
-  def _vi : SOPP_Real_32<op, !cast<SOPP_Pseudo>(NAME), real_name>,
-            Select_vi<!cast<SOPP_Pseudo>(NAME).Mnemonic>,
-            SOPPRelaxTable<0, !cast<SOPP_Pseudo>(NAME).KeyName, "_vi">;
+  defvar ps = !cast<SOPP_Pseudo>(NAME);
+  def _vi : SOPP_Real_32<op, ps, real_name>,
+            Select_vi<ps.Mnemonic>,
+            SOPPRelaxTable<0, ps.KeyName, "_vi">;
 }
 
 multiclass SOPP_Real_32_gfx10<bits<7> op, string real_name = !cast<SOPP_Pseudo>(NAME).Mnemonic # " "> {
-  def _gfx10 : SOPP_Real_32<op, !cast<SOPP_Pseudo>(NAME), real_name>,
-               Select_gfx10<!cast<SOPP_Pseudo>(NAME).Mnemonic>,
-               SOPPRelaxTable<0, !cast<SOPP_Pseudo>(NAME).KeyName, "_gfx10">;
+  defvar ps = !cast<SOPP_Pseudo>(NAME);
+  def _gfx10 : SOPP_Real_32<op, ps, real_name>,
+               Select_gfx10<ps.Mnemonic>,
+               SOPPRelaxTable<0, ps.KeyName, "_gfx10">;
 }
 
 multiclass SOPP_Real_32_gfx8_gfx9_gfx10<bits<7> op, string real_name = !cast<SOPP_Pseudo>(NAME).Mnemonic # " "> :
@@ -1703,21 +1714,24 @@
 
 //64 bit encodings, for Relaxation
 multiclass SOPP_Real_64_gfx6_gfx7<bits<7> op, string real_name = !cast<SOPP_Pseudo>(NAME).Mnemonic # " "> {
-  def _gfx6_gfx7 : SOPP_Real_64<op, !cast<SOPP_Pseudo>(NAME), real_name>,
-                   Select_gfx6_gfx7<!cast<SOPP_Pseudo>(NAME).Mnemonic>,
-                   SOPPRelaxTable<1, !cast<SOPP_Pseudo>(NAME).KeyName, "_gfx6_gfx7">;
+  defvar ps = !cast<SOPP_Pseudo>(NAME);
+  def _gfx6_gfx7 : SOPP_Real_64<op, ps, real_name>,
+                   Select_gfx6_gfx7<ps.Mnemonic>,
+                   SOPPRelaxTable<1, ps.KeyName, "_gfx6_gfx7">;
 }
 
 multiclass SOPP_Real_64_gfx8_gfx9<bits<7> op, string real_name = !cast<SOPP_Pseudo>(NAME).Mnemonic # " "> {
-  def _vi : SOPP_Real_64<op, !cast<SOPP_Pseudo>(NAME), real_name>,
-            Select_vi<!cast<SOPP_Pseudo>(NAME).Mnemonic>,
-            SOPPRelaxTable<1, !cast<SOPP_Pseudo>(NAME).KeyName, "_vi">;
+  defvar ps = !cast<SOPP_Pseudo>(NAME);
+  def _vi : SOPP_Real_64<op, ps, real_name>,
+            Select_vi<ps.Mnemonic>,
+            SOPPRelaxTable<1, ps.KeyName, "_vi">;
 }
 
 multiclass SOPP_Real_64_gfx10<bits<7> op, string real_name = !cast<SOPP_Pseudo>(NAME).Mnemonic # " "> {
-  def _gfx10 : SOPP_Real_64<op, !cast<SOPP_Pseudo>(NAME), real_name>,
-               Select_gfx10<!cast<SOPP_Pseudo>(NAME).Mnemonic>,
-               SOPPRelaxTable<1, !cast<SOPP_Pseudo>(NAME).KeyName, "_gfx10">;
+  defvar ps = !cast<SOPP_Pseudo>(NAME);
+  def _gfx10 : SOPP_Real_64<op, ps, real_name>,
+               Select_gfx10<ps.Mnemonic>,
+               SOPPRelaxTable<1, ps.KeyName, "_gfx10">;
 }
 
 multiclass SOPP_Real_64_gfx8_gfx9_gfx10<bits<7> op, string real_name = !cast<SOPP_Pseudo>(NAME).Mnemonic # " "> :
@@ -1783,18 +1797,21 @@
 //===----------------------------------------------------------------------===//
 
 multiclass SOPC_Real_gfx6_gfx7<bits<7> op> {
-  def _gfx6_gfx7 : SOPC_Real<op, !cast<SOPC_Pseudo>(NAME)>,
-                   Select_gfx6_gfx7<!cast<SOPC_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOPC_Pseudo>(NAME);
+  def _gfx6_gfx7 : SOPC_Real<op, ps>,
+                   Select_gfx6_gfx7<ps.Mnemonic>;
 }
 
 multiclass SOPC_Real_gfx8_gfx9<bits<7> op> {
-  def _vi : SOPC_Real<op, !cast<SOPC_Pseudo>(NAME)>,
-            Select_vi<!cast<SOPC_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOPC_Pseudo>(NAME);
+  def _vi : SOPC_Real<op, ps>,
+            Select_vi<ps.Mnemonic>;
 }
 
 multiclass SOPC_Real_gfx10<bits<7> op> {
-  def _gfx10 : SOPC_Real<op, !cast<SOPC_Pseudo>(NAME)>,
-               Select_gfx10<!cast<SOPC_Pseudo>(NAME).Mnemonic>;
+  defvar ps = !cast<SOPC_Pseudo>(NAME);
+  def _gfx10 : SOPC_Real<op, ps>,
+               Select_gfx10<ps.Mnemonic>;
 }
 
 multiclass SOPC_Real_gfx8_gfx9_gfx10<bits<7> op> :