llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Matheus Izvekov (mizvekov)

<details>
<summary>Changes</summary>

This improves and unifies our approach to printing all template arguments.

The same approach to printing types is extended to all TemplateArguments: A 
sugared version is printed in quotes, followed by printing the canonical form, 
unless they would print the same.

Special improvements are done to add more detail to template template arguments.

It's planned in a future patch to use this improved TemplateName printer for 
other places besides TemplateArguments.

Note: The sugared/desugared printing does not show up for TemplateNames in 
tests yet, because we do a poor job of preserving their type sugar. This will 
be improved in a future patch.

---

Patch is 50.89 KiB, truncated to 20.00 KiB below, full version: 
https://github.com/llvm/llvm-project/pull/93431.diff


17 Files Affected:

- (modified) clang/docs/ReleaseNotes.rst (+5) 
- (modified) clang/include/clang/AST/TextNodeDumper.h (+3) 
- (modified) clang/lib/AST/TextNodeDumper.cpp (+80-14) 
- (modified) clang/test/AST/ast-dump-decl.cpp (+14-11) 
- (modified) 
clang/test/AST/ast-dump-openmp-begin-declare-variant_template_2.cpp (+3-3) 
- (added) clang/test/AST/ast-dump-template-name.cpp (+54) 
- (modified) clang/test/AST/ast-dump-using-template.cpp (+5-3) 
- (modified) clang/test/AST/constraints-explicit-instantiation.cpp (+3-3) 
- (modified) clang/test/OpenMP/align_clause_ast_print.cpp (+1-1) 
- (modified) clang/test/OpenMP/generic_loop_ast_print.cpp (+1-1) 
- (modified) clang/test/OpenMP/interop_ast_print.cpp (+1-1) 
- (modified) clang/test/SemaOpenACC/sub-array-ast.cpp (+1-1) 
- (modified) clang/test/SemaTemplate/aggregate-deduction-candidate.cpp (+8-8) 
- (modified) clang/test/SemaTemplate/attributes.cpp (+32-32) 
- (modified) clang/test/SemaTemplate/deduction-guide.cpp (+7-7) 
- (modified) clang/test/SemaTemplate/make_integer_seq.cpp (+38-30) 
- (modified) clang/test/SemaTemplate/type_pack_element.cpp (+10-10) 


``````````diff
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 825e91876ffce..403a107edef17 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -818,6 +818,11 @@ Miscellaneous Clang Crashes Fixed
   when ``-fdump-record-layouts-complete`` is passed. Fixes #GH83684.
 - Unhandled StructuralValues in the template differ (#GH93068).
 
+Miscellaneous Clang Improvements
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- The text ast-dumper has improved printing of TemplateArguments.
+
 OpenACC Specific Changes
 ------------------------
 
diff --git a/clang/include/clang/AST/TextNodeDumper.h 
b/clang/include/clang/AST/TextNodeDumper.h
index 1fede6e462e92..0d057b8011164 100644
--- a/clang/include/clang/AST/TextNodeDumper.h
+++ b/clang/include/clang/AST/TextNodeDumper.h
@@ -211,8 +211,11 @@ class TextNodeDumper
   void dumpAccessSpecifier(AccessSpecifier AS);
   void dumpCleanupObject(const ExprWithCleanups::CleanupObject &C);
   void dumpTemplateSpecializationKind(TemplateSpecializationKind TSK);
+  void dumpBareNestedNameSpecifier(NestedNameSpecifier *NNS);
   void dumpNestedNameSpecifier(const NestedNameSpecifier *NNS);
   void dumpConceptReference(const ConceptReference *R);
+  void dumpTemplateArgument(const TemplateArgument &TA);
+  void dumpTemplateName(TemplateName TN);
 
   void dumpDeclRef(const Decl *D, StringRef Label = {});
 
diff --git a/clang/lib/AST/TextNodeDumper.cpp b/clang/lib/AST/TextNodeDumper.cpp
index 4a1e94ffe283b..742203e3b946d 100644
--- a/clang/lib/AST/TextNodeDumper.cpp
+++ b/clang/lib/AST/TextNodeDumper.cpp
@@ -947,6 +947,26 @@ void TextNodeDumper::dumpDeclRef(const Decl *D, StringRef 
Label) {
   });
 }
 
+void TextNodeDumper::dumpTemplateArgument(const TemplateArgument &TA) {
+  llvm::SmallString<128> Str;
+  {
+    llvm::raw_svector_ostream SS(Str);
+    TA.print(PrintPolicy, SS, /*IncludeType=*/true);
+  }
+  OS << " '" << Str << "'";
+
+  if (TemplateArgument CanonTA = Context->getCanonicalTemplateArgument(TA);
+      !CanonTA.structurallyEquals(TA)) {
+    llvm::SmallString<128> CanonStr;
+    {
+      llvm::raw_svector_ostream SS(CanonStr);
+      CanonTA.print(PrintPolicy, SS, /*IncludeType=*/true);
+    }
+    if (CanonStr != Str)
+      OS << ":'" << CanonStr << "'";
+  }
+}
+
 const char *TextNodeDumper::getCommandName(unsigned CommandID) {
   if (Traits)
     return Traits->getCommandInfo(CommandID)->Name;
@@ -1086,45 +1106,91 @@ void TextNodeDumper::VisitNullTemplateArgument(const 
TemplateArgument &) {
 
 void TextNodeDumper::VisitTypeTemplateArgument(const TemplateArgument &TA) {
   OS << " type";
-  dumpType(TA.getAsType());
+  dumpTemplateArgument(TA);
 }
 
 void TextNodeDumper::VisitDeclarationTemplateArgument(
     const TemplateArgument &TA) {
   OS << " decl";
+  dumpTemplateArgument(TA);
   dumpDeclRef(TA.getAsDecl());
 }
 
-void TextNodeDumper::VisitNullPtrTemplateArgument(const TemplateArgument &) {
+void TextNodeDumper::VisitNullPtrTemplateArgument(const TemplateArgument &TA) {
   OS << " nullptr";
+  dumpTemplateArgument(TA);
 }
 
 void TextNodeDumper::VisitIntegralTemplateArgument(const TemplateArgument &TA) 
{
-  OS << " integral " << TA.getAsIntegral();
+  OS << " integral";
+  dumpTemplateArgument(TA);
+}
+
+void TextNodeDumper::dumpTemplateName(TemplateName TN) {
+  switch (TN.getKind()) {
+  case TemplateName::Template:
+    AddChild([=] { Visit(TN.getAsTemplateDecl()); });
+    return;
+  case TemplateName::UsingTemplate: {
+    const UsingShadowDecl *USD = TN.getAsUsingShadowDecl();
+    AddChild([=] { Visit(USD); });
+    AddChild("target", [=] { Visit(USD->getTargetDecl()); });
+    return;
+  }
+  case TemplateName::QualifiedTemplate: {
+    OS << " qualified";
+    const QualifiedTemplateName *QTN = TN.getAsQualifiedTemplateName();
+    if (QTN->hasTemplateKeyword())
+      OS << " keyword";
+    dumpNestedNameSpecifier(QTN->getQualifier());
+    dumpTemplateName(QTN->getUnderlyingTemplate());
+    return;
+  }
+  case TemplateName::DependentTemplate: {
+    OS << " dependent";
+    const DependentTemplateName *DTN = TN.getAsDependentTemplateName();
+    dumpNestedNameSpecifier(DTN->getQualifier());
+    return;
+  }
+  // FIXME: Implement these.
+  case TemplateName::OverloadedTemplate:
+    OS << " overloaded";
+    return;
+  case TemplateName::AssumedTemplate:
+    OS << " assumed";
+    return;
+  case TemplateName::SubstTemplateTemplateParm:
+    OS << " subst";
+    return;
+  case TemplateName::SubstTemplateTemplateParmPack:
+    OS << " subst_pack";
+    return;
+  }
+  llvm_unreachable("Unexpected TemplateName Kind");
 }
 
 void TextNodeDumper::VisitTemplateTemplateArgument(const TemplateArgument &TA) 
{
-  if (TA.getAsTemplate().getKind() == TemplateName::UsingTemplate)
-    OS << " using";
-  OS << " template ";
-  TA.getAsTemplate().dump(OS);
+  OS << " template";
+  dumpTemplateArgument(TA);
+  dumpTemplateName(TA.getAsTemplate());
 }
 
 void TextNodeDumper::VisitTemplateExpansionTemplateArgument(
     const TemplateArgument &TA) {
-  if (TA.getAsTemplateOrTemplatePattern().getKind() ==
-      TemplateName::UsingTemplate)
-    OS << " using";
-  OS << " template expansion ";
-  TA.getAsTemplateOrTemplatePattern().dump(OS);
+  OS << " template expansion";
+  dumpTemplateArgument(TA);
+  dumpTemplateName(TA.getAsTemplateOrTemplatePattern());
 }
 
-void TextNodeDumper::VisitExpressionTemplateArgument(const TemplateArgument &) 
{
+void TextNodeDumper::VisitExpressionTemplateArgument(
+    const TemplateArgument &TA) {
   OS << " expr";
+  dumpTemplateArgument(TA);
 }
 
-void TextNodeDumper::VisitPackTemplateArgument(const TemplateArgument &) {
+void TextNodeDumper::VisitPackTemplateArgument(const TemplateArgument &TA) {
   OS << " pack";
+  dumpTemplateArgument(TA);
 }
 
 static void dumpBasePath(raw_ostream &OS, const CastExpr *Node) {
diff --git a/clang/test/AST/ast-dump-decl.cpp b/clang/test/AST/ast-dump-decl.cpp
index e062d4f068a40..b861ba8be15b5 100644
--- a/clang/test/AST/ast-dump-decl.cpp
+++ b/clang/test/AST/ast-dump-decl.cpp
@@ -459,21 +459,23 @@ namespace testClassTemplateDecl {
 
 // CHECK:       ClassTemplateDecl 0x{{.+}} <{{.+}}:[[@LINE-148]]:3, col:31> 
col:31 TestTemplateDefaultNonType{{$}}
 // CHECK-NEXT:  |-NonTypeTemplateParmDecl 0x{{.+}} <col:12, col:20> col:16 
'int' depth 0 index 0 I{{$}}
-// CHECK-NEXT:  | `-TemplateArgument <col:20> expr{{$}}
+// CHECK-NEXT:  | `-TemplateArgument <col:20> expr '42'{{$}}
 // CHECK-NEXT:  |   `-IntegerLiteral 0x{{.+}} <col:20> 'int' 42{{$}}
 // CHECK-NEXT:  `-CXXRecordDecl 0x{{.+}} <col:24, col:31> col:31 struct 
TestTemplateDefaultNonType{{$}}
 
 // CHECK:       ClassTemplateDecl 0x{{.+}} <{{.+}}:{{.*}}:3, col:68> col:68 
TestTemplateTemplateDefaultType{{$}}
 // CHECK-NEXT:  |-TemplateTemplateParmDecl 0x{{.+}} <col:12, col:42> col:37 
depth 0 index 0 TT{{$}}
 // CHECK-NEXT:  | |-TemplateTypeParmDecl 0x{{.+}} <col:21> col:29 typename 
depth 1 index 0{{$}}
-// CHECK-NEXT:  | `-TemplateArgument <col:42> template TestClassTemplate{{$}}
-// CHECK-NEXT:  `-CXXRecordDecl 0x{{.+}} <col:61, col:68> col:68 struct 
TestTemplateTemplateDefaultType{{$}}
+// CHECK-NEXT:  | `-TemplateArgument <col:42> template 
'testClassTemplateDecl::TestClassTemplate'{{$}}
+// CHECK-NEXT:  |   `-ClassTemplateDecl 0x{{.+}} <line:{{.+}}:3, 
line:{{.+}}:3> line:{{.+}}:30 TestClassTemplate{{$}}
+// CHECK-NEXT:  `-CXXRecordDecl 0x{{.+}} <line:{{.*}}:61, col:68> col:68 
struct TestTemplateTemplateDefaultType{{$}}
 
 // CHECK:       ClassTemplateDecl 0x{{.+}} prev 0x{{.+}} <{{.+}}:{{.*}}:3, 
col:82> col:48 TestTemplateTemplateDefaultType{{$}}
 // CHECK-NEXT:  |-TemplateTemplateParmDecl 0x{{.+}} <col:12, col:37> col:37 
depth 0 index 0 TT{{$}}
 // CHECK-NEXT:  | |-TemplateTypeParmDecl 0x{{.+}} <col:21> col:29 typename 
depth 1 index 0{{$}}
-// CHECK-NEXT:  | `-TemplateArgument <line:{{.*}}:42> template 
TestClassTemplate{{$}}
-// CHECK-NEXT:  |   `-inherited from TemplateTemplateParm 0x{{.+}} 'TT'{{$}}
+// CHECK-NEXT:  | `-TemplateArgument <line:{{.*}}:42> template 
'testClassTemplateDecl::TestClassTemplate'{{$}}
+// CHECK-NEXT:  |   |-inherited from TemplateTemplateParm 0x{{.+}} 'TT'{{$}}
+// CHECK-NEXT:  |   `-ClassTemplateDecl 0x{{.+}} <line:{{.+}}:3, 
line:{{.+}}:3> line:{{.+}}:30 TestClassTemplate
 // CHECK-NEXT:  `-CXXRecordDecl 0x{{.+}} prev 0x{{.+}} <line:{{.*}}:41, 
col:82> col:48 struct TestTemplateTemplateDefaultType definition{{$}}
 // CHECK-NEXT:    |-DefinitionData empty aggregate standard_layout 
trivially_copyable pod trivial literal has_constexpr_non_copy_move_ctor 
can_const_default_init{{$}}
 // CHECK-NEXT:    | |-DefaultConstructor exists trivial constexpr 
needs_implicit defaulted_is_constexpr{{$}}
@@ -683,7 +685,8 @@ namespace TestTemplateTemplateParmDecl {
 // CHECK:        FunctionTemplateDecl
 // CHECK-NEXT:     TemplateTemplateParmDecl{{.*}} T
 // CHECK-NEXT:       TemplateTypeParmDecl{{.*}} typename
-// CHECK-NEXT:       TemplateArgument{{.*}} template A
+// CHECK-NEXT:       TemplateArgument{{.*}} template 
'TestTemplateTemplateParmDecl::A'
+// CHECK-NEXT:         ClassTemplateDecl {{.*}} A
 // CHECK-NEXT:     TemplateTemplateParmDecl{{.*}} ... U
 // CHECK-NEXT:       TemplateTypeParmDecl{{.*}} typename
 
@@ -710,12 +713,12 @@ namespace TestTemplateArgument {
   template<int> class testIntegral { };
   template class testIntegral<1>;
   // CHECK:      ClassTemplateSpecializationDecl{{.*}} class testIntegral
-  // CHECK:        TemplateArgument{{.*}} integral 1
+  // CHECK:        TemplateArgument{{.*}} integral '1'
 
   template<template<typename> class> class testTemplate { };
   template class testTemplate<A>;
   // CHECK:      ClassTemplateSpecializationDecl{{.*}} class testTemplate
-  // CHECK:        TemplateArgument{{.*}} A
+  // CHECK:        TemplateArgument{{.*}} 'TestTemplateArgument::A'
 
   template<template<typename> class ...T> class C {
     B<T...> testTemplateExpansion;
@@ -731,10 +734,10 @@ namespace TestTemplateArgument {
   template<int, int ...> class testPack { };
   template class testPack<0, 1, 2>;
   // CHECK:      ClassTemplateSpecializationDecl{{.*}} class testPack
-  // CHECK:        TemplateArgument{{.*}} integral 0
+  // CHECK:        TemplateArgument{{.*}} integral '0'
   // CHECK-NEXT:   TemplateArgument{{.*}} pack
-  // CHECK-NEXT:     TemplateArgument{{.*}} integral 1
-  // CHECK-NEXT:     TemplateArgument{{.*}} integral 2
+  // CHECK-NEXT:     TemplateArgument{{.*}} integral '1'
+  // CHECK-NEXT:     TemplateArgument{{.*}} integral '2'
 }
 
 namespace testUsingDecl {
diff --git 
a/clang/test/AST/ast-dump-openmp-begin-declare-variant_template_2.cpp 
b/clang/test/AST/ast-dump-openmp-begin-declare-variant_template_2.cpp
index da46cef7f3f1b..6fe05e33a5fb8 100644
--- a/clang/test/AST/ast-dump-openmp-begin-declare-variant_template_2.cpp
+++ b/clang/test/AST/ast-dump-openmp-begin-declare-variant_template_2.cpp
@@ -79,7 +79,7 @@ int test() {
 // CHECK-NEXT: | |   `-ReturnStmt [[ADDR_22:0x[a-z0-9]*]] <line:10:3, col:10>
 // CHECK-NEXT: | |     `-IntegerLiteral [[ADDR_23:0x[a-z0-9]*]] <col:10> 'int' 0
 // CHECK-NEXT: | `-FunctionDecl [[ADDR_24:0x[a-z0-9]*]] <line:9:1, line:11:1> 
line:9:5 used also_before_mismatch 'int ({{.*}})'
-// CHECK-NEXT: |   |-TemplateArgument integral 0
+// CHECK-NEXT: |   |-TemplateArgument integral '0'
 // CHECK-NEXT: |   `-CompoundStmt [[ADDR_25:0x[a-z0-9]*]] <col:32, line:11:1>
 // CHECK-NEXT: |     `-ReturnStmt [[ADDR_26:0x[a-z0-9]*]] <line:10:3, col:10>
 // CHECK-NEXT: |       `-IntegerLiteral [[ADDR_23]] <col:10> 'int' 0
@@ -179,7 +179,7 @@ int test() {
 // CHECK-NEXT: | | `-OMPDeclareVariantAttr [[ADDR_101:0x[a-z0-9]*]] <<invalid 
sloc>> Implicit implementation={extension(allow_templates)}
 // CHECK-NEXT: | |   `-DeclRefExpr [[ADDR_102:0x[a-z0-9]*]] <col:1> 'int 
({{.*}})' {{.*}}Function [[ADDR_103:0x[a-z0-9]*]] 
'only_def[implementation={extension(allow_templates)}]' 'int ({{.*}})'
 // CHECK-NEXT: | `-FunctionDecl [[ADDR_104:0x[a-z0-9]*]] <col:1, col:18> col:5 
used only_def 'int ({{.*}})'
-// CHECK-NEXT: |   |-TemplateArgument integral 0
+// CHECK-NEXT: |   |-TemplateArgument integral '0'
 // CHECK-NEXT: |   `-OMPDeclareVariantAttr [[ADDR_105:0x[a-z0-9]*]] <<invalid 
sloc>> Implicit implementation={extension(allow_templates)}
 // CHECK-NEXT: |     `-DeclRefExpr [[ADDR_106:0x[a-z0-9]*]] <col:1> 'int 
({{.*}})' {{.*}}Function [[ADDR_107:0x[a-z0-9]*]] 
'only_def[implementation={extension(allow_templates)}]' 'int ({{.*}})'
 // CHECK-NEXT: |-FunctionTemplateDecl [[ADDR_108:0x[a-z0-9]*]] <line:37:1, 
line:40:1> line:38:1 only_def[implementation={extension(allow_templates)}]
@@ -189,7 +189,7 @@ int test() {
 // CHECK-NEXT: | |   `-ReturnStmt [[ADDR_110:0x[a-z0-9]*]] <line:39:3, col:10>
 // CHECK-NEXT: | |     `-IntegerLiteral [[ADDR_111:0x[a-z0-9]*]] <col:10> 
'int' 0
 // CHECK-NEXT: | `-FunctionDecl [[ADDR_107]] <line:38:1, line:40:1> line:38:1 
only_def[implementation={extension(allow_templates)}] 'int ({{.*}})'
-// CHECK-NEXT: |   |-TemplateArgument integral 0
+// CHECK-NEXT: |   |-TemplateArgument integral '0'
 // CHECK-NEXT: |   `-CompoundStmt [[ADDR_112:0x[a-z0-9]*]] <col:20, line:40:1>
 // CHECK-NEXT: |     `-ReturnStmt [[ADDR_113:0x[a-z0-9]*]] <line:39:3, col:10>
 // CHECK-NEXT: |       `-IntegerLiteral [[ADDR_111]] <col:10> 'int' 0
diff --git a/clang/test/AST/ast-dump-template-name.cpp 
b/clang/test/AST/ast-dump-template-name.cpp
new file mode 100644
index 0000000000000..39100711b60a1
--- /dev/null
+++ b/clang/test/AST/ast-dump-template-name.cpp
@@ -0,0 +1,54 @@
+// RUN: %clang_cc1 -std=c++26 -ast-dump -ast-dump-filter=Test %s | FileCheck %s
+
+template <template <class> class TT> using N = TT<int>;
+
+namespace qualified {
+  namespace foo {
+    template <class T> struct A;
+  } // namespace foo
+  using TestQualified = N<foo::A>;
+} // namespace qualified
+
+// CHECK:      Dumping qualified::TestQualified:
+// CHECK-NEXT: TypeAliasDecl
+// CHECK-NEXT: `-ElaboratedType
+// CHECK-NEXT:   `-TemplateSpecializationType
+// CHECK-NEXT:     |-TemplateArgument template 'qualified::foo::A' 
qualified{{$}}
+// CHECK-NEXT:     | |-NestedNameSpecifier Namespace 0x{{.+}} 'foo'{{$}}
+// CHECK-NEXT:     | `-ClassTemplateDecl {{.+}} A{{$}}
+
+namespace dependent {
+  template <class T> struct B {
+    using TestDependent = N<T::template X>;
+  };
+} // namespace dependent
+
+// CHECK:      Dumping dependent::B::TestDependent:
+// CHECK-NEXT: TypeAliasDecl
+// CHECK-NEXT: `-ElaboratedType
+// CHECK-NEXT:   `-TemplateSpecializationType
+// CHECK-NEXT:     |-TemplateArgument template 'template X' dependent{{$}}
+// CHECK-NEXT:     | `-NestedNameSpecifier TypeSpec 'T'{{$}}
+
+namespace subst {
+  template <class> struct A;
+
+  template <template <class> class TT> struct B {
+    template <template <class> class> struct C {};
+    using type = C<TT>;
+  };
+  using TestSubst = B<A>::type;
+} // namespace subst
+
+// CHECK:      Dumping subst::TestSubst:
+// CHECK-NEXT: TypeAliasDecl
+// CHECK-NEXT: `-ElaboratedType
+// CHECK-NEXT:   `-TypedefType
+// CHECK-NEXT:     |-TypeAlias
+// CHECK-NEXT:     `-ElaboratedType
+// CHECK-NEXT:       `-TemplateSpecializationType
+// CHECK-NEXT:         |-TemplateArgument template 'subst::A' subst index 0
+// CHECK-NEXT:         | |-parameter: TemplateTemplateParmDecl {{.+}} depth 0 
index 0 TT{{$}}
+// CHECK-NEXT:         | |-associated ClassTemplateSpecialization {{.+}} 
'B'{{$}}
+// CHECK-NEXT:         | `-replacement:
+// CHECK-NEXT:         |   `-ClassTemplateDecl {{.+}} A{{$}}
diff --git a/clang/test/AST/ast-dump-using-template.cpp 
b/clang/test/AST/ast-dump-using-template.cpp
index de3ce277fd24f..69b199fd0606c 100644
--- a/clang/test/AST/ast-dump-using-template.cpp
+++ b/clang/test/AST/ast-dump-using-template.cpp
@@ -28,9 +28,11 @@ using B = X<S>;
 // CHECK:      TypeAliasDecl
 // CHECK-NEXT: `-ElaboratedType {{.*}} 'X<ns::S>' sugar
 // CHECK-NEXT:   `-TemplateSpecializationType {{.*}} 'X<ns::S>' sugar X
-// CHECK-NEXT:     |-TemplateArgument using template S
-// CHECK-NEXT:       `-RecordType {{.*}} 'X<ns::S>'
-// CHECK-NEXT:         `-ClassTemplateSpecialization {{.*}} 'X'
+// CHECK-NEXT:     |-TemplateArgument template 'ns::S'
+// CHECK-NEXT:     | |-UsingShadowDecl {{.*}} implicit ClassTemplate {{.*}} 'S'
+// CHECK-NEXT:     | `-target: ClassTemplateDecl {{.*}} S
+// CHECK-NEXT:     `-RecordType {{.*}} 'X<ns::S>'
+// CHECK-NEXT:       `-ClassTemplateSpecialization {{.*}} 'X'
 
 // TemplateName in DeducedTemplateSpecializationType.
 S DeducedTemplateSpecializationT(123);
diff --git a/clang/test/AST/constraints-explicit-instantiation.cpp 
b/clang/test/AST/constraints-explicit-instantiation.cpp
index 10b6432f2db8c..79948ad1e8556 100644
--- a/clang/test/AST/constraints-explicit-instantiation.cpp
+++ b/clang/test/AST/constraints-explicit-instantiation.cpp
@@ -21,17 +21,17 @@ struct A {
 
 // This checks that `canary1<1>` and `canaray2<2>` are instantiated, thus
 // indirectly validating that the correct candidates of `A::f` were really
-// instantiated each time. 
+// instantiated each time.
 // The `static_assert`s validate we don't instantiate wrong candidates.
 
 // CHECK:{{.*}}FunctionTemplateDecl {{.*}} canary1
 // CHECK:      {{.*}}TemplateArgument integral
-// CHECK-SAME: {{1$}}
+// CHECK-SAME: {{'1'$}}
 template struct A<1>;
 
 // CHECK:      {{.*}}FunctionTemplateDecl {{.*}} canary2
 // CHECK:      {{.*}}TemplateArgument integral
-// CHECK-SAME: {{2$}}
+// CHECK-SAME: {{'2'$}}
 template struct A<2>;
 
 template struct A<3>;
diff --git a/clang/test/OpenMP/align_clause_ast_print.cpp 
b/clang/test/OpenMP/align_clause_ast_print.cpp
index 87000f9c41bae..c5e27a5d21d02 100644
--- a/clang/test/OpenMP/align_clause_ast_print.cpp
+++ b/clang/test/OpenMP/align_clause_ast_print.cpp
@@ -114,7 +114,7 @@ int template_test() {
 // DUMP: FunctionDecl {{.*}}run 'double ()'
 // DUMP: TemplateArgument type 'double'
 // DUMP: BuiltinType {{.*}}'double'
-// DUMP: TemplateArgument integral 1
+// DUMP: TemplateArgument integral '1U'
 // DUMP: OMPAllocateDeclAttr {{.*}}Implicit OMPNullMemAlloc
 // DUMP: ConstantExpr {{.*}}'unsigned int'
 // DUMP: value: Int 1
diff --git a/clang/test/OpenMP/generic_loop_ast_print.cpp 
b/clang/test/OpenMP/generic_loop_ast_print.cpp
index df806405571cf..b61ee79615d04 100644
--- a/clang/test/OpenMP/generic_loop_ast_print.cpp
+++ b/clang/test/OpenMP/generic_loop_ast_print.cpp
@@ -50,7 +50,7 @@
 //PRINT: }
 //DUMP: FunctionDecl{{.*}}templ_foo 'void (int)'
 //DUMP: TemplateArgument type 'int'
-//DUMP: TemplateArgument integral 2
+//DUMP: TemplateArgument integral '2'
 //DUMP: ParmVarDecl{{.*}}'int'
 //DUMP: OMPSimdDirective
 //DUMP: OMPCollapseClause
diff --git a/clang/test/OpenMP/interop_ast_print.cpp 
b/clang/test/OpenMP/interop_ast_print.cpp
index 7b9dda577c840..fed6febc63085 100644
--- a/clang/test/OpenMP/interop_ast_print.cpp
+++ b/clang/test/OpenMP/interop_ast_print.cpp
@@ -268,7 +268,7 @@ void fooTemp() {
 
   //PRINT: #pragma omp interop init(prefer_type(3,4,"level_one"), target : 
interop_var)
   //DUMP: FunctionDecl{{.*}}fooTemp
-  //DUMP: TemplateArgument integral 3
+  //DUMP: TemplateArgument integral '3'
   //DUMP: OMPInteropDirective
   //DUMP: OMPInitClause
   //DUMP: DeclRefExpr{{.*}}'omp_interop_t'{{.*}}'interop_var'
diff --git a/clang/test/SemaOpenACC/sub-array-ast.cpp 
b/clang/test/SemaOpenACC/sub-array-ast.cpp
index 094976e164275..43cc55a3f9a51 100644
--- a/clang/test/SemaOpenACC/sub-array-ast.cpp
+++ b/clang/test/SemaOpenACC/sub-array-ast.cpp
@@ -357,7 +357,7 @@ void Templ(int i){
   // CHECK-NEXT: FunctionDecl{{.*}} Templ 'void (int)' implicit_instantiation
   // CHECK-NEXT: TemplateArgument{{.*}} 'int'
   // CHECK-NEXT: BuiltinType{{.*}} 'int'
-  // CHECK-NEXT: TemplateArgument integral 3
+  // CHECK-NEXT: TemplateArgument integral '3U'
   // CHECK-NEXT: TemplateArgument decl
   // CHECK-NEXT: Var{{.*}} 'CEArray' 'const int[5]'
   // CHECK-NEXT: ParmVarDecl{{.*}} i 'int'
diff --git a/clang/test/SemaTemplate/aggregate-deduction-candidate.cpp 
b/clang/test/SemaTemplate/aggregate-deduction-candidate.cpp
index 7f535651bb815..1ef651e9dfb38 100644
--- a/clang/test/SemaTemplate/aggregate-deduction-candidate.cpp
+++ b/clang/test/SemaTemplate/aggregate-deduction-candidate.cpp
@@ -58,7 +58,7 @@ namespace Basic {
   D d2 = {1, 2, 3}; // cxx17-error {{no viable}}
 
   D d3(1, 2); // expected-error {{no viable}}
-  // CTAD succeed but brace elision is not allowed for parenthesized aggregate 
init. 
+  // CTAD succeed but brace elision is not allowed for parenthesized aggregate 
init.
   D d4(...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/93431
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