[Openmp-commits] [PATCH] D117211: [openmp] Mark used variables as retain as well

[Jon Chesterfield via Phabricator via Openmp-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG439560893941: [openmp] Mark used variables as retain as well (authored by JonChesterfield).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D117211/new/

https://reviews.llvm.org/D117211

Files:
  openmp/libomptarget/DeviceRTL/src/Configuration.cpp
  openmp/libomptarget/DeviceRTL/src/Utils.cpp
  openmp/libomptarget/deviceRTLs/amdgcn/src/target_impl.h
  openmp/libomptarget/deviceRTLs/common/src/support.cu


Index: openmp/libomptarget/deviceRTLs/common/src/support.cu
===================================================================
--- openmp/libomptarget/deviceRTLs/common/src/support.cu
+++ openmp/libomptarget/deviceRTLs/common/src/support.cu
@@ -228,7 +228,7 @@
 
 namespace _OMP {
 /// Helper to keep code alive without introducing a performance penalty.
-__attribute__((used, weak, optnone)) void keepAlive() {
+__attribute__((used, retain, weak, optnone)) void keepAlive() {
   __kmpc_get_hardware_thread_id_in_block();
   __kmpc_get_hardware_num_threads_in_block();
   __kmpc_get_warp_size();
Index: openmp/libomptarget/deviceRTLs/amdgcn/src/target_impl.h
===================================================================
--- openmp/libomptarget/deviceRTLs/amdgcn/src/target_impl.h
+++ openmp/libomptarget/deviceRTLs/amdgcn/src/target_impl.h
@@ -31,7 +31,8 @@
 #define NOINLINE __attribute__((noinline))
 #define ALIGN(N) __attribute__((aligned(N)))
 #define PLUGIN_ACCESSIBLE                                                      \
-  __attribute__((used)) /* Don't discard values the plugin reads */            \
+  __attribute__((used))   /* Don't discard values the plugin reads */          \
+  __attribute__((retain)) /* Also needed to keep values alive */               \
   __attribute__((visibility("default"))) /* Access via SHT_HASH */             \
   __attribute__((section(".data")))      /* Not .bss, can write before load */
 
Index: openmp/libomptarget/DeviceRTL/src/Utils.cpp
===================================================================
--- openmp/libomptarget/DeviceRTL/src/Utils.cpp
+++ openmp/libomptarget/DeviceRTL/src/Utils.cpp
@@ -21,7 +21,7 @@
 
 namespace _OMP {
 /// Helper to keep code alive without introducing a performance penalty.
-__attribute__((used, weak, optnone)) void keepAlive() {
+__attribute__((used, retain, weak, optnone)) void keepAlive() {
   __kmpc_get_hardware_thread_id_in_block();
   __kmpc_get_hardware_num_threads_in_block();
   __kmpc_get_warp_size();
Index: openmp/libomptarget/DeviceRTL/src/Configuration.cpp
===================================================================
--- openmp/libomptarget/DeviceRTL/src/Configuration.cpp
+++ openmp/libomptarget/DeviceRTL/src/Configuration.cpp
@@ -24,7 +24,7 @@
 
 // TODO: We want to change the name as soon as the old runtime is gone.
 DeviceEnvironmentTy CONSTANT(omptarget_device_environment)
-    __attribute__((used));
+    __attribute__((used, retain));
 
 uint32_t config::getDebugKind() {
   return __omp_rtl_debug_kind & omptarget_device_environment.DebugKind;


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D117211.399646.patch
Type: text/x-patch
Size: 2582 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/openmp-commits/attachments/20220113/ebc61a9d/attachment.bin>