[clang] 8a5c8eb - [NFC][Clang] Adopt simplified `getTrailingObjects` in AST/Type (#143258)

[via cfe-commits]

Author: Rahul Joshi
Date: 2025-06-08T07:42:00-07:00
New Revision: 8a5c8eb0be699db1c9b891e6fe6adf068299b9fc

URL: https://github.com/llvm/llvm-project/commit/8a5c8eb0be699db1c9b891e6fe6adf068299b9fc
DIFF: https://github.com/llvm/llvm-project/commit/8a5c8eb0be699db1c9b891e6fe6adf068299b9fc.diff

LOG: [NFC][Clang] Adopt simplified `getTrailingObjects` in AST/Type (#143258)

Added: 
    

Modified: 
    clang/include/clang/AST/Type.h
    clang/lib/AST/Type.cpp

Removed: 
    


################################################################################
diff  --git a/clang/include/clang/AST/Type.h b/clang/include/clang/AST/Type.h
index a6c26a07800c3..7fff819cba25d 100644
--- a/clang/include/clang/AST/Type.h
+++ b/clang/include/clang/AST/Type.h
@@ -5352,10 +5352,6 @@ class FunctionProtoType final
     return getNumFunctionEffects();
   }
 
-  unsigned numTrailingObjects(OverloadToken<EffectConditionExpr>) const {
-    return getNumFunctionEffectConditions();
-  }
-
   /// Determine whether there are any argument types that
   /// contain an unexpanded parameter pack.
   static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray,
@@ -5686,8 +5682,8 @@ class FunctionProtoType final
     if (hasExtraBitfields()) {
       const auto *Bitfields = getTrailingObjects<FunctionTypeExtraBitfields>();
       if (Bitfields->NumFunctionEffects > 0)
-        return {getTrailingObjects<FunctionEffect>(),
-                Bitfields->NumFunctionEffects};
+        return getTrailingObjects<FunctionEffect>(
+            Bitfields->NumFunctionEffects);
     }
     return {};
   }
@@ -5706,8 +5702,8 @@ class FunctionProtoType final
     if (hasExtraBitfields()) {
       const auto *Bitfields = getTrailingObjects<FunctionTypeExtraBitfields>();
       if (Bitfields->EffectsHaveConditions)
-        return {getTrailingObjects<EffectConditionExpr>(),
-                Bitfields->NumFunctionEffects};
+        return getTrailingObjects<EffectConditionExpr>(
+            Bitfields->NumFunctionEffects);
     }
     return {};
   }
@@ -5721,8 +5717,7 @@ class FunctionProtoType final
                                     ? Bitfields->NumFunctionEffects
                                     : 0;
         return FunctionEffectsRef(
-            {getTrailingObjects<FunctionEffect>(),
-             Bitfields->NumFunctionEffects},
+            getTrailingObjects<FunctionEffect>(Bitfields->NumFunctionEffects),
             {NumConds ? getTrailingObjects<EffectConditionExpr>() : nullptr,
              NumConds});
       }
@@ -6063,8 +6058,6 @@ class PackIndexingType final
 
   static TypeDependence computeDependence(QualType Pattern, Expr *IndexExpr,
                                           ArrayRef<QualType> Expansions = {});
-
-  unsigned numTrailingObjects(OverloadToken<QualType>) const { return Size; }
 };
 
 /// A unary type transform, which is a type constructed from another.
@@ -6491,8 +6484,7 @@ class HLSLInlineSpirvType final
     for (size_t I = 0; I < NumOperands; I++) {
       // Since Operands are stored as a trailing object, they have not been
       // initialized yet. Call the constructor manually.
-      auto *Operand =
-          new (&getTrailingObjects<SpirvOperand>()[I]) SpirvOperand();
+      auto *Operand = new (&getTrailingObjects()[I]) SpirvOperand();
       *Operand = Operands[I];
     }
   }
@@ -6502,7 +6494,7 @@ class HLSLInlineSpirvType final
   uint32_t getSize() const { return Size; }
   uint32_t getAlignment() const { return Alignment; }
   ArrayRef<SpirvOperand> getOperands() const {
-    return {getTrailingObjects<SpirvOperand>(), NumOperands};
+    return getTrailingObjects<SpirvOperand>(NumOperands);
   }
 
   bool isSugared() const { return false; }
@@ -6602,7 +6594,7 @@ class SubstTemplateTypeParmType final
   /// parameter.
   QualType getReplacementType() const {
     return SubstTemplateTypeParmTypeBits.HasNonCanonicalUnderlyingType
-               ? *getTrailingObjects<QualType>()
+               ? *getTrailingObjects()
                : getCanonicalTypeInternal();
   }
 
@@ -7164,7 +7156,7 @@ class ElaboratedType final
     ElaboratedTypeBits.HasOwnedTagDecl = false;
     if (OwnedTagDecl) {
       ElaboratedTypeBits.HasOwnedTagDecl = true;
-      *getTrailingObjects<TagDecl *>() = OwnedTagDecl;
+      *getTrailingObjects() = OwnedTagDecl;
     }
   }
 
@@ -7184,8 +7176,7 @@ class ElaboratedType final
   /// Return the (re)declaration of this type owned by this occurrence of this
   /// type, or nullptr if there is none.
   TagDecl *getOwnedTagDecl() const {
-    return ElaboratedTypeBits.HasOwnedTagDecl ? *getTrailingObjects<TagDecl *>()
-                                              : nullptr;
+    return ElaboratedTypeBits.HasOwnedTagDecl ? *getTrailingObjects() : nullptr;
   }
 
   void Profile(llvm::FoldingSetNodeID &ID) {

diff  --git a/clang/lib/AST/Type.cpp b/clang/lib/AST/Type.cpp
index 5bb39b12693fb..800cd2a91ec26 100644
--- a/clang/lib/AST/Type.cpp
+++ b/clang/lib/AST/Type.cpp
@@ -4019,12 +4019,11 @@ TypedefType::TypedefType(TypeClass tc, const TypedefNameDecl *D,
   assert(!isa<TypedefType>(can) && "Invalid canonical type");
   TypedefBits.hasTypeDifferentFromDecl = !Underlying.isNull();
   if (!typeMatchesDecl())
-    *getTrailingObjects<QualType>() = Underlying;
+    *getTrailingObjects() = Underlying;
 }
 
 QualType TypedefType::desugar() const {
-  return typeMatchesDecl() ? Decl->getUnderlyingType()
-                           : *getTrailingObjects<QualType>();
+  return typeMatchesDecl() ? Decl->getUnderlyingType() : *getTrailingObjects();
 }
 
 UsingType::UsingType(const UsingShadowDecl *Found, QualType Underlying,
@@ -4033,14 +4032,14 @@ UsingType::UsingType(const UsingShadowDecl *Found, QualType Underlying,
       Found(const_cast<UsingShadowDecl *>(Found)) {
   UsingBits.hasTypeDifferentFromDecl = !Underlying.isNull();
   if (!typeMatchesDecl())
-    *getTrailingObjects<QualType>() = Underlying;
+    *getTrailingObjects() = Underlying;
 }
 
 QualType UsingType::getUnderlyingType() const {
   return typeMatchesDecl()
              ? QualType(
                    cast<TypeDecl>(Found->getTargetDecl())->getTypeForDecl(), 0)
-             : *getTrailingObjects<QualType>();
+             : *getTrailingObjects();
 }
 
 QualType MacroQualifiedType::desugar() const { return getUnderlyingType(); }
@@ -4146,7 +4145,7 @@ PackIndexingType::PackIndexingType(QualType Canonical, QualType Pattern,
       Pattern(Pattern), IndexExpr(IndexExpr), Size(Expansions.size()),
       FullySubstituted(FullySubstituted) {
 
-  llvm::uninitialized_copy(Expansions, getTrailingObjects<QualType>());
+  llvm::uninitialized_copy(Expansions, getTrailingObjects());
 }
 
 UnsignedOrNone PackIndexingType::getSelectedIndex() const {
@@ -4369,7 +4368,7 @@ SubstTemplateTypeParmType::SubstTemplateTypeParmType(QualType Replacement,
   SubstTemplateTypeParmTypeBits.HasNonCanonicalUnderlyingType =
       Replacement != getCanonicalTypeInternal();
   if (SubstTemplateTypeParmTypeBits.HasNonCanonicalUnderlyingType)
-    *getTrailingObjects<QualType>() = Replacement;
+    *getTrailingObjects() = Replacement;
 
   SubstTemplateTypeParmTypeBits.Index = Index;
   SubstTemplateTypeParmTypeBits.Final = Final;