[clang] c216081 - [AST] Migrate away from PointerUnion::dyn_cast (NFC) (#124388)

[via cfe-commits]

Author: Kazu Hirata
Date: 2025-01-25T01:15:38-08:00
New Revision: c216081e981ea14536024b86df79ddee9fe517e0

URL: https://github.com/llvm/llvm-project/commit/c216081e981ea14536024b86df79ddee9fe517e0
DIFF: https://github.com/llvm/llvm-project/commit/c216081e981ea14536024b86df79ddee9fe517e0.diff

LOG: [AST] Migrate away from PointerUnion::dyn_cast (NFC) (#124388)

Note that PointerUnion::dyn_cast has been soft deprecated in
PointerUnion.h:

  // FIXME: Replace the uses of is(), get() and dyn_cast() with
  //        isa<T>, cast<T> and the llvm::dyn_cast<T>

Literal migration would result in dyn_cast_if_present (see the
definition of PointerUnion::dyn_cast), but this patch uses dyn_cast
because we expect P to be nonnull.

Added: 
    

Modified: 
    clang/lib/AST/DeclTemplate.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/AST/DeclTemplate.cpp b/clang/lib/AST/DeclTemplate.cpp
index 40ee3753c24227..2933ba7fb8a295 100644
--- a/clang/lib/AST/DeclTemplate.cpp
+++ b/clang/lib/AST/DeclTemplate.cpp
@@ -1049,7 +1049,7 @@ ClassTemplateSpecializationDecl::getSourceRange() const {
     assert(!Pattern.isNull() &&
            "Class template specialization without pattern?");
     if (const auto *CTPSD =
-            Pattern.dyn_cast<ClassTemplatePartialSpecializationDecl *>())
+            dyn_cast<ClassTemplatePartialSpecializationDecl *>(Pattern))
       return CTPSD->getSourceRange();
     return cast<ClassTemplateDecl *>(Pattern)->getSourceRange();
   }
@@ -1773,7 +1773,7 @@ TemplateParameterList *clang::getReplacedTemplateParameterList(Decl *D) {
     const auto *CTSD = cast<ClassTemplateSpecializationDecl>(D);
     auto P = CTSD->getSpecializedTemplateOrPartial();
     if (const auto *CTPSD =
-            P.dyn_cast<ClassTemplatePartialSpecializationDecl *>())
+            dyn_cast<ClassTemplatePartialSpecializationDecl *>(P))
       return CTPSD->getTemplateParameters();
     return cast<ClassTemplateDecl *>(P)->getTemplateParameters();
   }