[clang] [HLSL] Add implicit resource element type concepts to AST (PR #116413)
via cfe-commits
cfe-commits at lists.llvm.org
Fri Nov 15 22:20:34 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-hlsl
Author: Joshua Batista (bob80905)
<details>
<summary>Changes</summary>
This PR is step one on the journey to implement resource element type validation via C++20 concepts. The PR sets up the infrastructure for injecting implicit concept decls / concept specialization expressions into the AST, which will then be evaluated after template arguments are instantiated. This is not meant to be a complete implementation of the desired validation for HLSL,
there are a couple of missing elements:
We need the __builtin_hlsl_is_typed_resource_element_compatible builtin to be implemented.
We need other constraints, like is_intangible
We need to put the first 2 points together, and construct a finalized constraint expression, which should differ between typed and raw buffers
This is just an initial PR that puts some of the core infrastructure in place.
This PR is an edit of #<!-- -->112600, so that new tests that were put into main don't fail
---
Patch is 25.49 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/116413.diff
10 Files Affected:
- (modified) clang/lib/Sema/HLSLExternalSemaSource.cpp (+199-11)
- (modified) clang/test/AST/HLSL/AppendStructuredBuffer-AST.hlsl (+2-2)
- (modified) clang/test/AST/HLSL/ConsumeStructuredBuffer-AST.hlsl (+2-2)
- (modified) clang/test/AST/HLSL/RWBuffer-AST.hlsl (+18-2)
- (modified) clang/test/AST/HLSL/RWStructuredBuffer-AST.hlsl (+2-2)
- (modified) clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl (+2-2)
- (modified) clang/test/AST/HLSL/StructuredBuffer-AST.hlsl (+2-2)
- (added) clang/test/AST/HLSL/is_typed_resource_element_compatible_concept.hlsl (+10)
- (modified) clang/test/SemaHLSL/BuiltIns/RWBuffers.hlsl (+14-2)
- (modified) clang/test/SemaHLSL/BuiltIns/StructuredBuffers.hlsl (+2-2)
``````````diff
diff --git a/clang/lib/Sema/HLSLExternalSemaSource.cpp b/clang/lib/Sema/HLSLExternalSemaSource.cpp
index cac15b974a276e..400d3334f6f0de 100644
--- a/clang/lib/Sema/HLSLExternalSemaSource.cpp
+++ b/clang/lib/Sema/HLSLExternalSemaSource.cpp
@@ -289,8 +289,9 @@ struct BuiltinTypeDeclBuilder {
}
TemplateParameterListBuilder addTemplateArgumentList(Sema &S);
- BuiltinTypeDeclBuilder &addSimpleTemplateParams(Sema &S,
- ArrayRef<StringRef> Names);
+ BuiltinTypeDeclBuilder &
+ addSimpleTemplateParams(Sema &S, ArrayRef<StringRef> Names, ConceptDecl *CD);
+ BuiltinTypeDeclBuilder &addConceptSpecializationExpr(Sema &S);
};
struct TemplateParameterListBuilder {
@@ -312,8 +313,9 @@ struct TemplateParameterListBuilder {
S.Context, Builder.Record->getDeclContext(), SourceLocation(),
SourceLocation(), /* TemplateDepth */ 0, Position,
&S.Context.Idents.get(Name, tok::TokenKind::identifier),
- /* Typename */ false,
- /* ParameterPack */ false);
+ /* Typename */ true,
+ /* ParameterPack */ false,
+ /* HasTypeConstraint*/ false);
if (!DefaultValue.isNull())
Decl->setDefaultArgument(
S.Context, S.getTrivialTemplateArgumentLoc(DefaultValue, QualType(),
@@ -323,19 +325,114 @@ struct TemplateParameterListBuilder {
return *this;
}
- BuiltinTypeDeclBuilder &finalizeTemplateArgs() {
+ /*
+The concept specialization expression (CSE) constructed in
+constructConceptSpecializationExpr is constructed so that it
+matches the CSE that is constructed when parsing the below C++ code:
+template<typename T>
+concept is_typed_resource_element_compatible = sizeof(T) <= 16;
+template<typename element_type> requires
+is_typed_resource_element_compatible<element_type>
+struct RWBuffer {
+ element_type Val;
+};
+int fn() {
+ RWBuffer<int> Buf;
+}
+When dumping the AST and filtering for "RWBuffer", the resulting AST
+structure is what we're trying to construct below, specifically the
+CSE portion.
+*/
+ ConceptSpecializationExpr *
+ constructConceptSpecializationExpr(Sema &S, ConceptDecl *CD) {
+ ASTContext &Context = S.getASTContext();
+ SourceLocation Loc = Builder.Record->getBeginLoc();
+ DeclarationNameInfo DNI(CD->getDeclName(), Loc);
+ NestedNameSpecifierLoc NNSLoc;
+ DeclContext *DC = Builder.Record->getDeclContext();
+ TemplateArgumentListInfo TALI(Loc, Loc);
+
+ // Assume that the concept decl has just one template parameter
+ // This parameter should have been added when CD was constructed
+ // in getTypedBufferConceptDecl
+ assert(CD->getTemplateParameters()->size() == 1 &&
+ "unexpected concept decl parameter count");
+ TemplateTypeParmDecl *ConceptTTPD = dyn_cast<TemplateTypeParmDecl>(
+ CD->getTemplateParameters()->getParam(0));
+
+ // this TemplateTypeParmDecl is the template for the resource, and is
+ // used to construct a template argumentthat will be used
+ // to construct the ImplicitConceptSpecializationDecl
+ TemplateTypeParmDecl *T = TemplateTypeParmDecl::Create(
+ Context, // AST context
+ Builder.Record->getDeclContext(), // DeclContext
+ SourceLocation(), SourceLocation(),
+ /*depth=*/0, // Depth in the template parameter list
+ /*position=*/0, // Position in the template parameter list
+ /*id=*/nullptr, // Identifier for 'T'
+ /*Typename=*/true, // Indicates this is a 'typename' or 'class'
+ /*ParameterPack=*/false, // Not a parameter pack
+ /*HasTypeConstraint=*/false // Has no type constraint
+ );
+
+ T->setDeclContext(DC);
+
+ QualType ConceptTType = Context.getTypeDeclType(ConceptTTPD);
+
+ // this is the 2nd template argument node, on which
+ // the concept constraint is actually being applied: 'element_type'
+ TemplateArgument ConceptTA = TemplateArgument(ConceptTType);
+
+ QualType CSETType = Context.getTypeDeclType(T);
+
+ // this is the 1st template argument node, which represents
+ // the abstract type that a concept would refer to: 'T'
+ TemplateArgument CSETA = TemplateArgument(CSETType);
+
+ ImplicitConceptSpecializationDecl *ImplicitCSEDecl =
+ ImplicitConceptSpecializationDecl::Create(
+ Context, Builder.Record->getDeclContext(), Loc, {CSETA});
+
+ // Constraint satisfaction is used to construct the
+ // ConceptSpecailizationExpr, and represents the 2nd Template Argument,
+ // located at the bottom of the sample AST above.
+ const ConstraintSatisfaction CS(CD, {ConceptTA});
+ TemplateArgumentLoc TAL = S.getTrivialTemplateArgumentLoc(
+ ConceptTA, QualType(), SourceLocation());
+
+ TALI.addArgument(TAL);
+ const ASTTemplateArgumentListInfo *ATALI =
+ ASTTemplateArgumentListInfo::Create(Context, TALI);
+
+ // In the concept reference, ATALI is what adds the extra
+ // TemplateArgument node underneath CSE
+ ConceptReference *CR =
+ ConceptReference::Create(Context, NNSLoc, Loc, DNI, CD, CD, ATALI);
+
+ ConceptSpecializationExpr *CSE =
+ ConceptSpecializationExpr::Create(Context, CR, ImplicitCSEDecl, &CS);
+
+ return CSE;
+ }
+
+ BuiltinTypeDeclBuilder &finalizeTemplateArgs(ConceptDecl *CD = nullptr) {
if (Params.empty())
return Builder;
+ ConceptSpecializationExpr *CSE =
+ CD ? constructConceptSpecializationExpr(S, CD) : nullptr;
+
auto *ParamList = TemplateParameterList::Create(S.Context, SourceLocation(),
SourceLocation(), Params,
- SourceLocation(), nullptr);
+ SourceLocation(), CSE);
Builder.Template = ClassTemplateDecl::Create(
S.Context, Builder.Record->getDeclContext(), SourceLocation(),
DeclarationName(Builder.Record->getIdentifier()), ParamList,
Builder.Record);
+
Builder.Record->setDescribedClassTemplate(Builder.Template);
Builder.Template->setImplicit(true);
Builder.Template->setLexicalDeclContext(Builder.Record->getDeclContext());
+
// NOTE: setPreviousDecl before addDecl so new decl replace old decl when
// make visible.
Builder.Template->setPreviousDecl(Builder.PrevTemplate);
@@ -355,13 +452,12 @@ BuiltinTypeDeclBuilder::addTemplateArgumentList(Sema &S) {
return TemplateParameterListBuilder(S, *this);
}
-BuiltinTypeDeclBuilder &
-BuiltinTypeDeclBuilder::addSimpleTemplateParams(Sema &S,
- ArrayRef<StringRef> Names) {
+BuiltinTypeDeclBuilder &BuiltinTypeDeclBuilder::addSimpleTemplateParams(
+ Sema &S, ArrayRef<StringRef> Names, ConceptDecl *CD = nullptr) {
TemplateParameterListBuilder Builder = this->addTemplateArgumentList(S);
for (StringRef Name : Names)
Builder.addTypeParameter(Name);
- return Builder.finalizeTemplateArgs();
+ return Builder.finalizeTemplateArgs(CD);
}
HLSLExternalSemaSource::~HLSLExternalSemaSource() {}
@@ -472,10 +568,102 @@ static BuiltinTypeDeclBuilder setupBufferType(CXXRecordDecl *Decl, Sema &S,
.addDefaultHandleConstructor(S);
}
+BinaryOperator *constructSizeOfLEQ16Expr(ASTContext &Context,
+ SourceLocation NameLoc,
+ TemplateTypeParmDecl *T) {
+ // Obtain the QualType for 'unsigned long'
+ QualType UnsignedLongType = Context.UnsignedLongTy;
+
+ // Create a QualType that points to this TemplateTypeParmDecl
+ QualType TType = Context.getTypeDeclType(T);
+
+ // Create a TypeSourceInfo for the template type parameter 'T'
+ TypeSourceInfo *TTypeSourceInfo =
+ Context.getTrivialTypeSourceInfo(TType, NameLoc);
+
+ UnaryExprOrTypeTraitExpr *sizeOfExpr = new (Context) UnaryExprOrTypeTraitExpr(
+ UETT_SizeOf, TTypeSourceInfo, UnsignedLongType, NameLoc, NameLoc);
+
+ // Create an IntegerLiteral for the value '16' with size type
+ QualType SizeType = Context.getSizeType();
+ llvm::APInt SizeValue = llvm::APInt(Context.getTypeSize(SizeType), 16);
+ IntegerLiteral *SizeLiteral =
+ new (Context) IntegerLiteral(Context, SizeValue, SizeType, NameLoc);
+
+ QualType BoolTy = Context.BoolTy;
+
+ BinaryOperator *binaryOperator =
+ BinaryOperator::Create(Context, sizeOfExpr, // Left-hand side expression
+ SizeLiteral, // Right-hand side expression
+ BO_LE, // Binary operator kind (<=)
+ BoolTy, // Result type (bool)
+ VK_LValue, // Value kind
+ OK_Ordinary, // Object kind
+ NameLoc, // Source location of operator
+ FPOptionsOverride());
+
+ return binaryOperator;
+}
+
+Expr *constructTypedBufferConstraintExpr(Sema &S, SourceLocation NameLoc,
+ TemplateTypeParmDecl *T) {
+ ASTContext &Context = S.getASTContext();
+
+ // first get the "sizeof(T) <= 16" expression, as a binary operator
+ BinaryOperator *SizeOfLEQ16 = constructSizeOfLEQ16Expr(Context, NameLoc, T);
+ // TODO: add the 'builtin_hlsl_is_typed_resource_element_compatible' builtin
+ // and return a binary operator that evaluates the builtin on the given
+ // template type parameter 'T'.
+ // Defined in issue https://github.com/llvm/llvm-project/issues/113223
+ return SizeOfLEQ16;
+}
+
+ConceptDecl *constructTypedBufferConceptDecl(Sema &S, NamespaceDecl *NSD) {
+ ASTContext &Context = S.getASTContext();
+ DeclContext *DC = NSD->getDeclContext();
+ SourceLocation DeclLoc = SourceLocation();
+
+ IdentifierInfo &ElementTypeII = Context.Idents.get("element_type");
+ TemplateTypeParmDecl *T = TemplateTypeParmDecl::Create(
+ Context, NSD->getDeclContext(), DeclLoc, DeclLoc,
+ /*depth=*/0,
+ /*position=*/0,
+ /*id=*/&ElementTypeII,
+ /*Typename=*/true,
+ /*ParameterPack=*/false);
+
+ T->setDeclContext(DC);
+ T->setReferenced();
+
+ // Create and Attach Template Parameter List to ConceptDecl
+ TemplateParameterList *ConceptParams = TemplateParameterList::Create(
+ Context, DeclLoc, DeclLoc, {T}, DeclLoc, nullptr);
+
+ DeclarationName DeclName = DeclarationName(
+ &Context.Idents.get("__is_typed_resource_element_compatible"));
+ Expr *ConstraintExpr = constructTypedBufferConstraintExpr(S, DeclLoc, T);
+
+ // Create a ConceptDecl
+ ConceptDecl *CD =
+ ConceptDecl::Create(Context, NSD->getDeclContext(), DeclLoc, DeclName,
+ ConceptParams, ConstraintExpr);
+
+ // Attach the template parameter list to the ConceptDecl
+ CD->setTemplateParameters(ConceptParams);
+
+ // Add the concept declaration to the Translation Unit Decl
+ NSD->getDeclContext()->addDecl(CD);
+
+ return CD;
+}
+
void HLSLExternalSemaSource::defineHLSLTypesWithForwardDeclarations() {
CXXRecordDecl *Decl;
+ ConceptDecl *TypedBufferConcept =
+ constructTypedBufferConceptDecl(*SemaPtr, HLSLNamespace);
Decl = BuiltinTypeDeclBuilder(*SemaPtr, HLSLNamespace, "RWBuffer")
- .addSimpleTemplateParams(*SemaPtr, {"element_type"})
+ .addSimpleTemplateParams(*SemaPtr, {"element_type"},
+ TypedBufferConcept)
.Record;
onCompletion(Decl, [this](CXXRecordDecl *Decl) {
diff --git a/clang/test/AST/HLSL/AppendStructuredBuffer-AST.hlsl b/clang/test/AST/HLSL/AppendStructuredBuffer-AST.hlsl
index 5a13ca7735f999..8dbab44024d34d 100644
--- a/clang/test/AST/HLSL/AppendStructuredBuffer-AST.hlsl
+++ b/clang/test/AST/HLSL/AppendStructuredBuffer-AST.hlsl
@@ -12,7 +12,7 @@
// instantiated specialization.
// EMPTY: ClassTemplateDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit AppendStructuredBuffer
-// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
+// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
// EMPTY-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit <undeserialized declarations> class AppendStructuredBuffer
// EMPTY-NEXT: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
@@ -26,7 +26,7 @@ AppendStructuredBuffer<int> Buffer;
#endif
// CHECK: ClassTemplateDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit AppendStructuredBuffer
-// CHECK-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
+// CHECK-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
// CHECK-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit class AppendStructuredBuffer definition
// CHECK: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
diff --git a/clang/test/AST/HLSL/ConsumeStructuredBuffer-AST.hlsl b/clang/test/AST/HLSL/ConsumeStructuredBuffer-AST.hlsl
index b75f3fcb959cfc..f27941b539b6a8 100644
--- a/clang/test/AST/HLSL/ConsumeStructuredBuffer-AST.hlsl
+++ b/clang/test/AST/HLSL/ConsumeStructuredBuffer-AST.hlsl
@@ -12,7 +12,7 @@
// instantiated specialization.
// EMPTY: ClassTemplateDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit ConsumeStructuredBuffer
-// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
+// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
// EMPTY-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit <undeserialized declarations> class ConsumeStructuredBuffer
// EMPTY-NEXT: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
@@ -26,7 +26,7 @@ ConsumeStructuredBuffer<int> Buffer;
#endif
// CHECK: ClassTemplateDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit ConsumeStructuredBuffer
-// CHECK-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
+// CHECK-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
// CHECK-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit class ConsumeStructuredBuffer definition
// CHECK: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
diff --git a/clang/test/AST/HLSL/RWBuffer-AST.hlsl b/clang/test/AST/HLSL/RWBuffer-AST.hlsl
index ebddd72ddb1e0e..e3060a2dfa9677 100644
--- a/clang/test/AST/HLSL/RWBuffer-AST.hlsl
+++ b/clang/test/AST/HLSL/RWBuffer-AST.hlsl
@@ -11,7 +11,15 @@
// instantiated specialization.
// EMPTY: ClassTemplateDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit RWBuffer
-// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
+// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
+// EMPTY-NEXT: ConceptSpecializationExpr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> 'bool' Concept 0x{{[0-9A-Fa-f]+}} '__is_typed_resource_element_compatible'
+// EMPTY-NEXT: ImplicitConceptSpecializationDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc>
+// EMPTY-NEXT: TemplateArgument type 'type-parameter-0-0'
+// EMPTY-NEXT: TemplateTypeParmType 0x{{[0-9A-Fa-f]+}} 'type-parameter-0-0' dependent depth 0 index 0
+// EMPTY-NEXT: TemplateTypeParm 0x{{[0-9A-Fa-f]+}} ''
+// EMPTY-NEXT: TemplateArgument type 'element_type':'type-parameter-0-0'
+// EMPTY-NEXT: TemplateTypeParmType 0x{{[0-9A-Fa-f]+}} 'element_type' dependent depth 0 index 0
+// EMPTY-NEXT: TemplateTypeParm 0x{{[0-9A-Fa-f]+}} 'element_type'
// EMPTY-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit <undeserialized declarations> class RWBuffer
// EMPTY-NEXT: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
@@ -25,7 +33,15 @@ RWBuffer<float> Buffer;
#endif
// CHECK: ClassTemplateDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit RWBuffer
-// CHECK-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
+// CHECK-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
+// CHECK-NEXT: ConceptSpecializationExpr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> 'bool' Concept 0x{{[0-9A-Fa-f]+}} '__is_typed_resource_element_compatible'
+// CHECK-NEXT: ImplicitConceptSpecializationDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc>
+// CHECK-NEXT: TemplateArgument type 'type-parameter-0-0'
+// CHECK-NEXT: TemplateTypeParmType 0x{{[0-9A-Fa-f]+}} 'type-parameter-0-0' dependent depth 0 index 0
+// CHECK-NEXT: TemplateTypeParm 0x{{[0-9A-Fa-f]+}} ''
+// CHECK-NEXT: TemplateArgument type 'element_type':'type-parameter-0-0'
+// CHECK-NEXT: TemplateTypeParmType 0x{{[0-9A-Fa-f]+}} 'element_type' dependent depth 0 index 0
+// CHECK-NEXT: TemplateTypeParm 0x{{[0-9A-Fa-f]+}} 'element_type'
// CHECK-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit class RWBuffer definition
// CHECK: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
diff --git a/clang/test/AST/HLSL/RWStructuredBuffer-AST.hlsl b/clang/test/AST/HLSL/RWStructuredBuffer-AST.hlsl
index 4a1e1d7570e5e9..5058eab40b1aeb 100644
--- a/clang/test/AST/HLSL/RWStructuredBuffer-AST.hlsl
+++ b/clang/test/AST/HLSL/RWStructuredBuffer-AST.hlsl
@@ -12,7 +12,7 @@
// instantiated specialization.
// EMPTY: ClassTemplateDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit RWStructuredBuffer
-// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
+// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
// EMPTY-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit <undeserialized declarations> class RWStructuredBuffer
// EMPTY-NEXT: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
@@ -26,7 +26,7 @@ RWStructuredBuffer<int> Buffer;
#endif
// CHECK: ClassTemplateDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit RWStructuredBuffer
-// CHECK-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
+// CHECK-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
// CHECK-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit class RWStructuredBuffer definition
// CHECK: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
diff --git a/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl b/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl
index f334e1bb6db3fc..bd05432a09e01c 100644
--- a/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl
+++ b/clang/test/AST/HLSL/RasterizerOrderedStructuredBuffer-AST.hlsl
@@ -12,7 +12,7 @@
// instantiated specialization.
// EMPTY: ClassTemplateDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit RasterizerOrderedStructuredBuffer
-// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
+// EMPTY-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> typename depth 0 index 0 element_type
// EMPTY-NEXT: CXXRecordDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit <undeserialized declarations> class RasterizerOrderedStructuredBuffer
// EMPTY-NEXT: FinalAttr 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> Implicit final
@@ -26,7 +26,7 @@ RasterizerOrderedStructuredBuffer<int> Buffer;
#endif
// CHECK: ClassTemplateDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> implicit RasterizerOrderedStructuredBuffer
-// CHECK-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} <<invalid sloc>> <invalid sloc> class depth 0 index 0 element_type
+// CHECK-NEXT: TemplateTypeParmDecl 0x{{[0-9A-Fa-f]+}} ...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/116413
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