[PATCH] D141627: [Clang][OpenMP] Fix the issue that list items in `has_device_addr` are still mapped to the target device

[Shilei Tian via Phabricator via cfe-commits]

tianshilei1992 created this revision.
tianshilei1992 added reviewers: ABataev, jdoerfert, abhinavgaba, jyu2.
Herald added subscribers: guansong, yaxunl.
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tianshilei1992 requested review of this revision.
Herald added subscribers: cfe-commits, sstefan1.
Herald added a project: clang.

This patch fixes the issue that list items in `has_device_addr` are still mapped
to the target device because front end emits map type `OMP_MAP_TO`.

Fix #59160.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141627

Files:
  clang/lib/CodeGen/CGOpenMPRuntime.cpp
  clang/test/OpenMP/target_is_device_ptr_codegen.cpp


Index: clang/test/OpenMP/target_is_device_ptr_codegen.cpp
===================================================================
--- clang/test/OpenMP/target_is_device_ptr_codegen.cpp
+++ clang/test/OpenMP/target_is_device_ptr_codegen.cpp
@@ -321,7 +321,7 @@
 
 // CK3-DAG: [[SIZES:@.+]] = {{.+}}constant [1 x i[[SZ:64|32]]] [i{{64|32}} {{8|4}}]
 // OMP_MAP_TARGET_PARAM = 0x20 | OMP_MAP_TO = 0x1 = 0x21
-// CK3-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 [[#0x21]]]
+// CK3-DAG: [[TYPES:@.+]] = {{.+}}constant [1 x i64] [i64 [[#0x120]]]
 void bar() {
   __attribute__((aligned(64))) double *ptr;
   // CK3-DAG: [[RET:%.+]] = call i32 @__tgt_target_kernel(ptr @{{.+}}, i64 [[DEVICE:.+]], i32 -1, i32 0, ptr @.{{.+}}.region_id, ptr [[ARGS:%.+]])
Index: clang/lib/CodeGen/CGOpenMPRuntime.cpp
===================================================================
--- clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -8679,9 +8679,7 @@
           CGF.getTypeSize(CGF.getContext().VoidPtrTy), CGF.Int64Ty,
           /*isSigned=*/true));
       CombinedInfo.Types.push_back(
-          (Cap->capturesVariable()
-               ? OpenMPOffloadMappingFlags::OMP_MAP_TO
-               : OpenMPOffloadMappingFlags::OMP_MAP_LITERAL) |
+          OpenMPOffloadMappingFlags::OMP_MAP_LITERAL |
           OpenMPOffloadMappingFlags::OMP_MAP_TARGET_PARAM);
       CombinedInfo.Mappers.push_back(nullptr);
       return;


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