[PATCH] D150651: Fix regression after D150436

[Wang, Xin via Phabricator via llvm-commits]

XinWang10 created this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D150651

Files:
  llvm/utils/TableGen/AsmMatcherEmitter.cpp


Index: llvm/utils/TableGen/AsmMatcherEmitter.cpp
===================================================================
--- llvm/utils/TableGen/AsmMatcherEmitter.cpp
+++ llvm/utils/TableGen/AsmMatcherEmitter.cpp
@@ -636,7 +636,9 @@
     // We use the ID to sort AVX instruction before AVX512 instruction in
     // matching table.
     if (TheDef->isSubClassOf("Instruction") &&
-        TheDef->getValueAsBit("HasPositionOrder"))
+        TheDef->getValueAsBit("HasPositionOrder") &&
+        RHS.TheDef->isSubClassOf("Instruction") &&
+        RHS.TheDef->getValueAsBit("HasPositionOrder"))
       return TheDef->getID() < RHS.TheDef->getID();
 
     // Give matches that require more features higher precedence. This is useful


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