[flang-commits] [flang] [flang][cuda] Allow pointer object with the managed attribute (PR #177304)

Valentin Clement バレンタイン クレメン via flang-commits flang-commits at lists.llvm.org
Wed Jan 21 19:57:01 PST 2026


https://github.com/clementval created https://github.com/llvm/llvm-project/pull/177304

The reference compiler is accepting object with pointer and managed attributes. 

>From 5f37578769cb2217672f6696e16cf6bff6b2707c Mon Sep 17 00:00:00 2001
From: Valentin Clement <clementval at gmail.com>
Date: Wed, 21 Jan 2026 19:55:59 -0800
Subject: [PATCH] [flang][cuda] Allow pointer object with the managed attribute

---
 flang/lib/Semantics/check-declarations.cpp | 4 ++--
 flang/test/Semantics/cuf03.cuf             | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/flang/lib/Semantics/check-declarations.cpp b/flang/lib/Semantics/check-declarations.cpp
index 684c1dcc98fa3..8a616f444b437 100644
--- a/flang/lib/Semantics/check-declarations.cpp
+++ b/flang/lib/Semantics/check-declarations.cpp
@@ -1188,10 +1188,10 @@ void CheckHelper::CheckObjectEntity(
       }
       break;
     case common::CUDADataAttr::Managed:
-      if (!IsAutomatic(symbol) && !IsAllocatable(symbol) &&
+      if (!IsAutomatic(symbol) && !IsAllocatableOrPointer(symbol) &&
           !details.isDummy() && !evaluate::IsExplicitShape(symbol)) {
         messages_.Say(
-            "Object '%s' with ATTRIBUTES(MANAGED) must also be allocatable, automatic, explicit shape, or a dummy argument"_err_en_US,
+            "Object '%s' with ATTRIBUTES(MANAGED) must also be allocatable, pointer, automatic, explicit shape, or a dummy argument"_err_en_US,
             symbol.name());
       }
       break;
diff --git a/flang/test/Semantics/cuf03.cuf b/flang/test/Semantics/cuf03.cuf
index d2a189f419299..49b74e9a6e6a1 100644
--- a/flang/test/Semantics/cuf03.cuf
+++ b/flang/test/Semantics/cuf03.cuf
@@ -35,8 +35,7 @@ module m
   real, managed :: mm ! ok
   real, managed :: mmi = 1. ! ok
   real, managed, allocatable :: mml ! ok
-  !ERROR: Object 'mmp' with ATTRIBUTES(MANAGED) must also be allocatable, automatic, explicit shape, or a dummy argument
-  real, managed, pointer :: mmp(:)
+  real, managed, pointer :: mmp(:) ! ok
   real, managed, target :: mmt
   !WARNING: Object 'mp' with ATTRIBUTES(PINNED) should also be allocatable [-Wcuda-usage]
   real, pinned :: mp



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