[clang] [clang-tools-extra] [Attributes][HLSL] Teach EnumArgument to refer to an external enum (PR #70835)

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``````````bash
git-clang-format --diff 483e92468e597b73c646182bd755a0d5ef67d327 fcbcac28116562e181ece169840e7cce50be6cdf -- clang-tools-extra/modularize/ModularizeUtilities.cpp clang/include/clang/AST/Attr.h clang/lib/CodeGen/CGHLSLRuntime.cpp clang/lib/Sema/HLSLExternalSemaSource.cpp clang/unittests/Sema/SemaNoloadLookupTest.cpp clang/utils/TableGen/ClangAttrEmitter.cpp
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View the diff from clang-format here.
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diff --git a/clang/lib/Sema/HLSLExternalSemaSource.cpp b/clang/lib/Sema/HLSLExternalSemaSource.cpp
index 7e6c07b37..0be76d4b3 100644
--- a/clang/lib/Sema/HLSLExternalSemaSource.cpp
+++ b/clang/lib/Sema/HLSLExternalSemaSource.cpp
@@ -502,7 +502,6 @@ void HLSLExternalSemaSource::completeBufferType(CXXRecordDecl *Record) {
       .addHandleMember()
       .addDefaultHandleConstructor(*SemaPtr, ResourceClass::UAV)
       .addArraySubscriptOperators()
-      .annotateResourceClass(ResourceClass::UAV,
-                             ResourceKind::TypedBuffer)
+      .annotateResourceClass(ResourceClass::UAV, ResourceKind::TypedBuffer)
       .completeDefinition();
 }
diff --git a/clang/utils/TableGen/ClangAttrEmitter.cpp b/clang/utils/TableGen/ClangAttrEmitter.cpp
index 1032028fd..fa5d95a07 100644
--- a/clang/utils/TableGen/ClangAttrEmitter.cpp
+++ b/clang/utils/TableGen/ClangAttrEmitter.cpp
@@ -960,8 +960,8 @@ namespace {
     }
 
     void writePCHReadDecls(raw_ostream &OS) const override {
-      OS << "    " << fullType << " " << getLowerName()
-         << "(static_cast<" << fullType << ">(Record.readInt()));\n";
+      OS << "    " << fullType << " " << getLowerName() << "(static_cast<"
+         << fullType << ">(Record.readInt()));\n";
     }
 
     void writePCHReadArgs(raw_ostream &OS) const override {
@@ -1028,8 +1028,8 @@ namespace {
       SmallDenseSet<StringRef, 8> Uniques;
       for (size_t I = 0; I < enums.size(); ++I) {
         if (Uniques.insert(enums[I]).second)
-          OS << "  case " << fullType << "::" << enums[I]
-             << ": return \"" << values[I] << "\";\n";
+          OS << "  case " << fullType << "::" << enums[I] << ": return \""
+             << values[I] << "\";\n";
       }
       if (isExternal) {
         OS << "  default: llvm_unreachable(\"Invalid attribute value\");\n";

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https://github.com/llvm/llvm-project/pull/70835