[OpenMP][NFC] Pass a DeviceTy, not the device number to target

This unifies the API of `target` relative to `targetUpdateData` and
such.

Reviewed By: tianshilei1992, grokos

Differential Revision: https://reviews.llvm.org/D96429

Author: jdoerfert

openmp/libomptarget/src/interface.cpp

@@ -407,7 +407,8 @@ EXTERN int __tgt_target_mapper(ident_t *loc, int64_t device_id, void *host_ptr,
   }
 #endif
 
-  int rc = target(loc, device_id, host_ptr, arg_num, args_base, args, arg_sizes,
+  DeviceTy &Device = PM->Devices[device_id];
+  int rc = target(loc, Device, host_ptr, arg_num, args_base, args, arg_sizes,
                   arg_types, arg_names, arg_mappers, 0, 0, false /*team*/);
   HandleTargetOutcome(rc == OFFLOAD_SUCCESS, loc);
   return rc;
@@ -487,7 +488,8 @@ EXTERN int __tgt_target_teams_mapper(ident_t *loc, int64_t device_id,
   }
 #endif
 
-  int rc = target(loc, device_id, host_ptr, arg_num, args_base, args, arg_sizes,
+  DeviceTy &Device = PM->Devices[device_id];
+  int rc = target(loc, Device, host_ptr, arg_num, args_base, args, arg_sizes,
                   arg_types, arg_names, arg_mappers, team_num, thread_limit,
                   true /*team*/);
   HandleTargetOutcome(rc == OFFLOAD_SUCCESS, loc);

openmp/libomptarget/src/omptarget.cpp

@@ -159,9 +159,8 @@ static int InitLibrary(DeviceTy &Device) {
         DP("Has pending ctors... call now\n");
         for (auto &entry : lib.second.PendingCtors) {
           void *ctor = entry;
-          int rc =
-              target(nullptr, device_id, ctor, 0, nullptr, nullptr, nullptr,
-                     nullptr, nullptr, nullptr, 1, 1, true /*team*/);
+          int rc = target(nullptr, Device, ctor, 0, nullptr, nullptr, nullptr,
+                          nullptr, nullptr, nullptr, 1, 1, true /*team*/);
           if (rc != OFFLOAD_SUCCESS) {
             REPORT("Running ctor " DPxMOD " failed.\n", DPxPTR(ctor));
             Device.PendingGlobalsMtx.unlock();
@@ -1238,11 +1237,11 @@ static int processDataAfter(ident_t *loc, int64_t DeviceId, void *HostPtr,
 /// performs the same action as data_update and data_end above. This function
 /// returns 0 if it was able to transfer the execution to a target and an
 /// integer different from zero otherwise.
-int target(ident_t *loc, int64_t DeviceId, void *HostPtr, int32_t ArgNum,
+int target(ident_t *loc, DeviceTy &Device, void *HostPtr, int32_t ArgNum,
            void **ArgBases, void **Args, int64_t *ArgSizes, int64_t *ArgTypes,
            map_var_info_t *ArgNames, void **ArgMappers, int32_t TeamNum,
            int32_t ThreadLimit, int IsTeamConstruct) {
-  DeviceTy &Device = PM->Devices[DeviceId];
+  int32_t DeviceId = Device.DeviceID;
 
   TableMap *TM = getTableMap(HostPtr);
   // No map for this host pointer found!

openmp/libomptarget/src/private.h

@@ -13,6 +13,7 @@
 #ifndef _OMPTARGET_PRIVATE_H
 #define _OMPTARGET_PRIVATE_H
 
+#include "device.h"
 #include <Debug.h>
 #include <SourceInfo.h>
 #include <omptarget.h>
@@ -36,7 +37,7 @@ extern int targetDataUpdate(ident_t *loc, DeviceTy &Device, int32_t arg_num,
                             void **arg_mappers,
                             __tgt_async_info *async_info_ptr = nullptr);
 
-extern int target(ident_t *loc, int64_t DeviceId, void *HostPtr, int32_t ArgNum,
+extern int target(ident_t *loc, DeviceTy &Device, void *HostPtr, int32_t ArgNum,
                   void **ArgBases, void **Args, int64_t *ArgSizes,
                   int64_t *ArgTypes, map_var_info_t *arg_names,
                   void **ArgMappers, int32_t TeamNum, int32_t ThreadLimit,

openmp/libomptarget/src/rtl.cpp

@@ -401,9 +401,8 @@ void RTLsTy::UnregisterLib(__tgt_bin_desc *desc) {
         Device.PendingGlobalsMtx.lock();
         if (Device.PendingCtorsDtors[desc].PendingCtors.empty()) {
           for (auto &dtor : Device.PendingCtorsDtors[desc].PendingDtors) {
-            int rc =
-                target(nullptr, Device.DeviceID, dtor, 0, nullptr, nullptr,
-                       nullptr, nullptr, nullptr, nullptr, 1, 1, true /*team*/);
+            int rc = target(nullptr, Device, dtor, 0, nullptr, nullptr, nullptr,
+                            nullptr, nullptr, nullptr, 1, 1, true /*team*/);
             if (rc != OFFLOAD_SUCCESS) {
               DP("Running destructor " DPxMOD " failed.\n", DPxPTR(dtor));
             }