[TableGen] Migrate away from PointerUnion::dyn_cast (NFC)

[kazutakahirata]

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

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

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 DiagsInPedantic and GroupsInPedantic to be nonnull.

[llvmbot]

@llvm/pr-subscribers-clang

Author: Kazu Hirata (kazutakahirata)

Changes

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 DiagsInPedantic and GroupsInPedantic to be nonnull.

---

Full diff: https://github.com/llvm/llvm-project/pull/125158.diff

1 Files Affected:

• (modified) clang/utils/TableGen/ClangDiagnosticsEmitter.cpp (+2-2)

diff --git a/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp b/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp
index 50dbe4d5a8cab77..8f846a4744bbf03 100644
--- a/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp
+++ b/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp
@@ -359,7 +359,7 @@ void InferPedantic::compute(VecOrSet DiagsInPedantic,
 
     // The diagnostic is not included in a group that is (transitively) in
     // -Wpedantic.  Include it in -Wpedantic directly.
-    if (auto *V = DiagsInPedantic.dyn_cast<RecordVec *>())
+    if (auto *V = dyn_cast<RecordVec *>(DiagsInPedantic))
       V->push_back(R);
     else
       cast<RecordSet *>(DiagsInPedantic)->insert(R);
@@ -386,7 +386,7 @@ void InferPedantic::compute(VecOrSet DiagsInPedantic,
     if (Parents.size() > 0 && AllParentsInPedantic)
       continue;
 
-    if (auto *V = GroupsInPedantic.dyn_cast<RecordVec *>())
+    if (auto *V = dyn_cast<RecordVec *>(GroupsInPedantic))
       V->push_back(Group);
     else
       cast<RecordSet *>(GroupsInPedantic)->insert(Group);