[TableGen] Remove BitsRecTy::typeIsA override. NFC

BitsRecTy objects are uniqued based on size. If the sizes are equal, then the BitsRecTy objects are the same objects. We can use the base class implementation that checks for pointer equality.
llvm · Apr 20, 2023 · 4a17ded · 4a17ded
1 parent 170475c
commit 4a17ded
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diff --git a/llvm/include/llvm/TableGen/Record.h b/llvm/include/llvm/TableGen/Record.h
@@ -142,8 +142,6 @@ class BitsRecTy : public RecTy {
   std::string getAsString() const override;
 
   bool typeIsConvertibleTo(const RecTy *RHS) const override;
-
-  bool typeIsA(const RecTy *RHS) const override;
 };
 
 /// 'int' - Represent an integer value of no particular size

diff --git a/llvm/lib/TableGen/Record.cpp b/llvm/lib/TableGen/Record.cpp
@@ -151,12 +151,6 @@ bool BitsRecTy::typeIsConvertibleTo(const RecTy *RHS) const {
   return (kind == BitRecTyKind && Size == 1) || (kind == IntRecTyKind);
 }
 
-bool BitsRecTy::typeIsA(const RecTy *RHS) const {
-  if (const BitsRecTy *RHSb = dyn_cast<BitsRecTy>(RHS))
-    return RHSb->Size == Size;
-  return false;
-}
-
 IntRecTy *IntRecTy::get(RecordKeeper &RK) {
   return &RK.getImpl().SharedIntRecTy;
 }