[llvm] [Frontend][OpenMP] Move isPrivatizingClause to OMP.h, NFC (PR #148644)

[Krzysztof Parzyszek via llvm-commits]

https://github.com/kparzysz created https://github.com/llvm/llvm-project/pull/148644

None

>From 76b1c6594d1e73f7d4a7011db3247a0c37b51339 Mon Sep 17 00:00:00 2001
From: Krzysztof Parzyszek <Krzysztof.Parzyszek at amd.com>
Date: Fri, 11 Jul 2025 07:45:34 -0500
Subject: [PATCH] [Frontend][OpenMP] Move isPrivatizingClause to OMP.h, NFC

---
 .../Frontend/OpenMP/ConstructDecompositionT.h  | 18 +-----------------
 llvm/include/llvm/Frontend/OpenMP/OMP.h        | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/llvm/include/llvm/Frontend/OpenMP/ConstructDecompositionT.h b/llvm/include/llvm/Frontend/OpenMP/ConstructDecompositionT.h
index cdc80c88b7425..611bfe3f8aced 100644
--- a/llvm/include/llvm/Frontend/OpenMP/ConstructDecompositionT.h
+++ b/llvm/include/llvm/Frontend/OpenMP/ConstructDecompositionT.h
@@ -795,25 +795,9 @@ bool ConstructDecompositionT<C, H>::applyClause(
   // assigned to which leaf constructs.
 
   // [5.2:340:33]
-  auto canMakePrivateCopy = [](llvm::omp::Clause id) {
-    switch (id) {
-    // Clauses with "privatization" property:
-    case llvm::omp::Clause::OMPC_firstprivate:
-    case llvm::omp::Clause::OMPC_in_reduction:
-    case llvm::omp::Clause::OMPC_lastprivate:
-    case llvm::omp::Clause::OMPC_linear:
-    case llvm::omp::Clause::OMPC_private:
-    case llvm::omp::Clause::OMPC_reduction:
-    case llvm::omp::Clause::OMPC_task_reduction:
-      return true;
-    default:
-      return false;
-    }
-  };
-
   bool applied = applyIf(node, [&](const auto &leaf) {
     return llvm::any_of(leaf.clauses, [&](const ClauseTy *n) {
-      return canMakePrivateCopy(n->id);
+      return llvm::omp::isPrivatizingClause(n->id);
     });
   });
 
diff --git a/llvm/include/llvm/Frontend/OpenMP/OMP.h b/llvm/include/llvm/Frontend/OpenMP/OMP.h
index 35dafc6d246f0..d44c33301bde7 100644
--- a/llvm/include/llvm/Frontend/OpenMP/OMP.h
+++ b/llvm/include/llvm/Frontend/OpenMP/OMP.h
@@ -48,6 +48,22 @@ static constexpr inline bool canHaveIterator(Clause C) {
   }
 }
 
+// Can clause C create a private copy of a variable.
+static constexpr inline bool isPrivatizingClause(Clause C) {
+  switch (C) {
+  case OMPC_firstprivate:
+  case OMPC_in_reduction:
+  case OMPC_lastprivate:
+  case OMPC_linear:
+  case OMPC_private:
+  case OMPC_reduction:
+  case OMPC_task_reduction:
+    return true;
+  default:
+    return false;
+  }
+}
+
 static constexpr unsigned FallbackVersion = 52;
 LLVM_ABI ArrayRef<unsigned> getOpenMPVersions();