[Openmp-commits] [llvm] [openmp] Revert "[OMPT][Offload][OpenMP] Fixes for OMPT data used by libomptarget" (PR #172827)

via Openmp-commits openmp-commits at lists.llvm.org
Thu Dec 18 01:44:37 PST 2025


https://github.com/jprotze created https://github.com/llvm/llvm-project/pull/172827

Reverts llvm/llvm-project#156020

We will need some time for investigating buildbot failures 

>From 082b70dc2d8dcd5ddd668882fb863b550a445ba0 Mon Sep 17 00:00:00 2001
From: Joachim <protze at rz.rwth-aachen.de>
Date: Thu, 18 Dec 2025 10:43:31 +0100
Subject: [PATCH] =?UTF-8?q?Revert=20"[OMPT][Offload][OpenMP]=20Fixes=20for?=
 =?UTF-8?q?=20OMPT=20data=20used=20by=20libomptarget=20(#15=E2=80=A6"?=
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This reverts commit 726452720ccf9ba163ebd8d48f660ae6a34a2963.
---
 offload/include/OpenMP/OMPT/Interface.h       |  29 +--
 offload/libomptarget/OpenMP/OMPT/Callback.cpp |  22 ++-
 offload/test/ompt/register_with_host.h        |  68 -------
 offload/test/ompt/target_tool_data.c          | 152 ----------------
 offload/test/ompt/target_tool_data_nowait.c   | 171 ------------------
 .../ompt/target_tool_data_nowait_nodepend.c   |  59 ------
 openmp/runtime/src/ompt-general.cpp           |  10 +-
 openmp/runtime/src/ompt-internal.h            |   5 +-
 openmp/runtime/src/ompt-specific.cpp          |  26 +--
 openmp/runtime/src/ompt-specific.h            |   4 +-
 openmp/runtime/test/ompt/callback.h           |   3 -
 11 files changed, 33 insertions(+), 516 deletions(-)
 delete mode 100644 offload/test/ompt/register_with_host.h
 delete mode 100644 offload/test/ompt/target_tool_data.c
 delete mode 100644 offload/test/ompt/target_tool_data_nowait.c
 delete mode 100644 offload/test/ompt/target_tool_data_nowait_nodepend.c

diff --git a/offload/include/OpenMP/OMPT/Interface.h b/offload/include/OpenMP/OMPT/Interface.h
index 5fc853a2aa662..43fb193bc75a6 100644
--- a/offload/include/OpenMP/OMPT/Interface.h
+++ b/offload/include/OpenMP/OMPT/Interface.h
@@ -25,23 +25,12 @@
 
 #define OMPT_IF_BUILT(stmt) stmt
 
-#define TargetTaskData                                                         \
-  ((OmptTaskInfoPtr == &OmptTaskInfo) ? nullptr                                \
-                                      : (&(OmptTaskInfoPtr->task_data)))
-#define TargetData (OmptTaskInfoPtr->target_data)
-
-/// Prefix of ompt_task_info_t struct from libomp
-typedef struct ompt_task_info_t {
-  ompt_data_t task_data;
-  ompt_data_t target_data;
-} ompt_task_info_t;
-
 /// Callbacks for target regions require task_data representing the
 /// encountering task.
 /// Callbacks for target regions and target data ops require
 /// target_task_data representing the target task region.
 typedef ompt_data_t *(*ompt_get_task_data_t)();
-typedef ompt_task_info_t *(*ompt_get_task_info_target_t)();
+typedef ompt_data_t *(*ompt_get_target_task_data_t)();
 
 namespace llvm {
 namespace omp {
@@ -51,7 +40,7 @@ namespace ompt {
 /// Function pointers that will be used to track task_data and
 /// target_task_data.
 static ompt_get_task_data_t ompt_get_task_data_fn;
-static ompt_get_task_info_target_t ompt_get_task_info_target_fn;
+static ompt_get_target_task_data_t ompt_get_target_task_data_fn;
 
 /// Used to maintain execution state for this thread
 class Interface {
@@ -227,16 +216,16 @@ class Interface {
 
 private:
   /// Target operations id
-  ompt_id_t HostOpId{0};
+  ompt_id_t HostOpId = 0;
 
-  /// Task data representing the encountering task
-  ompt_data_t *TaskData{nullptr};
+  /// Target region data
+  ompt_data_t TargetData = ompt_data_none;
 
-  /// TaskInfo contains target_data and task_data
-  ompt_task_info_t OmptTaskInfo{ompt_data_none, ompt_data_none};
+  /// Task data representing the encountering task
+  ompt_data_t *TaskData = nullptr;
 
-  /// Ptr to TaskInfo in OpenMP runtime in case of deferred target tasks
-  ompt_task_info_t *OmptTaskInfoPtr{&OmptTaskInfo};
+  /// Target task data representing the target task region
+  ompt_data_t *TargetTaskData = nullptr;
 
   /// Used for marking begin of a data operation
   void beginTargetDataOperation();
diff --git a/offload/libomptarget/OpenMP/OMPT/Callback.cpp b/offload/libomptarget/OpenMP/OMPT/Callback.cpp
index 9d30f94412793..99c8a122c81f4 100644
--- a/offload/libomptarget/OpenMP/OMPT/Callback.cpp
+++ b/offload/libomptarget/OpenMP/OMPT/Callback.cpp
@@ -51,8 +51,8 @@ bool llvm::omp::target::ompt::Initialized = false;
 
 ompt_get_callback_t llvm::omp::target::ompt::lookupCallbackByCode = nullptr;
 ompt_function_lookup_t llvm::omp::target::ompt::lookupCallbackByName = nullptr;
+ompt_get_target_task_data_t ompt_get_target_task_data_fn = nullptr;
 ompt_get_task_data_t ompt_get_task_data_fn = nullptr;
-ompt_get_task_info_target_t ompt_get_task_info_target_fn = nullptr;
 
 /// Unique correlation id
 static std::atomic<uint64_t> IdCounter(1);
@@ -424,18 +424,18 @@ void Interface::beginTargetRegion() {
   // Set up task state
   assert(ompt_get_task_data_fn && "Calling a null task data function");
   TaskData = ompt_get_task_data_fn();
-  // Set up target task and target state
-  assert(ompt_get_task_info_target_fn &&
-         "Calling a null target task info function");
-  // In case of deferred target tasks, use pointer from libomp
-  if (ompt_task_info_t *TempTaskInfoPtr = ompt_get_task_info_target_fn())
-    OmptTaskInfoPtr = TempTaskInfoPtr;
+  // Set up target task state
+  assert(ompt_get_target_task_data_fn &&
+         "Calling a null target task data function");
+  TargetTaskData = ompt_get_target_task_data_fn();
+  // Target state will be set later
+  TargetData = ompt_data_none;
 }
 
 void Interface::endTargetRegion() {
   TaskData = 0;
-  OmptTaskInfo = {ompt_data_none, ompt_data_none};
-  OmptTaskInfoPtr = &OmptTaskInfo;
+  TargetTaskData = 0;
+  TargetData = ompt_data_none;
 }
 
 /// Used to maintain the finalization functions that are received
@@ -474,7 +474,7 @@ int llvm::omp::target::ompt::initializeLibrary(ompt_function_lookup_t lookup,
 
   bindOmptFunctionName(ompt_get_callback, lookupCallbackByCode);
   bindOmptFunctionName(ompt_get_task_data, ompt_get_task_data_fn);
-  bindOmptFunctionName(ompt_get_task_info_target, ompt_get_task_info_target_fn);
+  bindOmptFunctionName(ompt_get_target_task_data, ompt_get_target_task_data_fn);
 #undef bindOmptFunctionName
 
   // Store pointer of 'ompt_libomp_target_fn_lookup' for use by libomptarget
@@ -483,6 +483,8 @@ int llvm::omp::target::ompt::initializeLibrary(ompt_function_lookup_t lookup,
   assert(lookupCallbackByCode && "lookupCallbackByCode should be non-null");
   assert(lookupCallbackByName && "lookupCallbackByName should be non-null");
   assert(ompt_get_task_data_fn && "ompt_get_task_data_fn should be non-null");
+  assert(ompt_get_target_task_data_fn &&
+         "ompt_get_target_task_data_fn should be non-null");
   assert(LibraryFinalizer == nullptr &&
          "LibraryFinalizer should not be initialized yet");
 
diff --git a/offload/test/ompt/register_with_host.h b/offload/test/ompt/register_with_host.h
deleted file mode 100644
index 5e97f2c0b751a..0000000000000
--- a/offload/test/ompt/register_with_host.h
+++ /dev/null
@@ -1,68 +0,0 @@
-#define SKIP_CALLBACK_REGISTRATION 1
-
-#include "../../../openmp/runtime/test/ompt/callback.h"
-#include "callbacks.h"
-#include <omp-tools.h>
-
-// From openmp/runtime/test/ompt/callback.h
-#define register_ompt_callback_t(name, type)                                   \
-  do {                                                                         \
-    type f_##name = &on_##name;                                                \
-    if (ompt_set_callback(name, (ompt_callback_t)f_##name) == ompt_set_never)  \
-      printf("0: Could not register callback '" #name "'\n");                  \
-  } while (0)
-
-#define register_ompt_callback(name) register_ompt_callback_t(name, name##_t)
-
-// Init functions
-int ompt_initialize(ompt_function_lookup_t lookup, int initial_device_num,
-                    ompt_data_t *tool_data) {
-  ompt_set_callback = (ompt_set_callback_t)lookup("ompt_set_callback");
-
-  if (!ompt_set_callback)
-    return 0; // failed
-
-  // host runtime functions
-  ompt_get_unique_id = (ompt_get_unique_id_t)lookup("ompt_get_unique_id");
-  ompt_get_thread_data = (ompt_get_thread_data_t)lookup("ompt_get_thread_data");
-  ompt_get_task_info = (ompt_get_task_info_t)lookup("ompt_get_task_info");
-
-  ompt_get_unique_id();
-
-  // host callbacks
-  register_ompt_callback(ompt_callback_sync_region);
-  register_ompt_callback_t(ompt_callback_sync_region_wait,
-                           ompt_callback_sync_region_t);
-  register_ompt_callback_t(ompt_callback_reduction,
-                           ompt_callback_sync_region_t);
-  register_ompt_callback(ompt_callback_implicit_task);
-  register_ompt_callback(ompt_callback_parallel_begin);
-  register_ompt_callback(ompt_callback_parallel_end);
-  register_ompt_callback(ompt_callback_task_create);
-  register_ompt_callback(ompt_callback_task_schedule);
-
-  // device callbacks
-  register_ompt_callback(ompt_callback_device_initialize);
-  register_ompt_callback(ompt_callback_device_finalize);
-  register_ompt_callback(ompt_callback_device_load);
-  register_ompt_callback(ompt_callback_target_data_op_emi);
-  register_ompt_callback(ompt_callback_target_emi);
-  register_ompt_callback(ompt_callback_target_submit_emi);
-
-  return 1; // success
-}
-
-void ompt_finalize(ompt_data_t *tool_data) {}
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-ompt_start_tool_result_t *ompt_start_tool(unsigned int omp_version,
-                                          const char *runtime_version) {
-  static ompt_start_tool_result_t ompt_start_tool_result = {&ompt_initialize,
-                                                            &ompt_finalize, 0};
-  return &ompt_start_tool_result;
-}
-#ifdef __cplusplus
-}
-#endif
diff --git a/offload/test/ompt/target_tool_data.c b/offload/test/ompt/target_tool_data.c
deleted file mode 100644
index 7407e106700ba..0000000000000
--- a/offload/test/ompt/target_tool_data.c
+++ /dev/null
@@ -1,152 +0,0 @@
-// clang-format off
-// RUN: env LIBOMP_NUM_HIDDEN_HELPER_THREADS=1 %libomptarget-compile-run-and-check-generic
-// REQUIRES: ompt
-// clang-format on
-
-#include <inttypes.h>
-#include <omp-tools.h>
-#include <omp.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "register_with_host.h"
-
-#define N 1000000
-#define M 1000
-
-int main() {
-  float *x = malloc(N * sizeof(float));
-  float *y = malloc(N * sizeof(float));
-
-  for (int i = 0; i < N; i++) {
-    x[i] = 1;
-    y[i] = 1;
-  }
-
-#pragma omp target enter data map(to : x[0 : N]) map(alloc : y[0 : N])
-#pragma omp target teams distribute parallel for
-  for (int i = 0; i < N; i++) {
-    for (int j = 0; j < M; j++) {
-      y[i] += 3 * x[i];
-    }
-  }
-
-#pragma omp target teams distribute parallel for
-  for (int i = 0; i < N; i++) {
-    for (int j = 0; j < M; j++) {
-      y[i] += 3 * x[i];
-    }
-  }
-
-#pragma omp target exit data map(release : x[0 : N]) map(from : y[0 : N])
-
-  printf("%f, %f\n", x[0], y[0]);
-
-  free(x);
-  free(y);
-  return 0;
-}
-
-// clang-format off
-/// CHECK: ompt_event_initial_task_begin
-/// CHECK-SAME: task_id=[[ENCOUNTERING_TASK:[0-f]+]]
-
-/// CHECK: Callback Target EMI: kind=ompt_target_enter_data endpoint=ompt_scope_begin
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA:[0-f]+]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target_enter_data endpoint=ompt_scope_end
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target endpoint=ompt_scope_begin
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA:[0-f]+]])
-
-/// CHECK: Callback Submit EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Submit EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target endpoint=ompt_scope_end
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target endpoint=ompt_scope_begin
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA:[0-f]+]])
-
-/// CHECK: Callback Submit EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Submit EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target endpoint=ompt_scope_end
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target_exit_data endpoint=ompt_scope_begin
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA:[0-f]+]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target_exit_data endpoint=ompt_scope_end
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=(nil) (0x0)
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
diff --git a/offload/test/ompt/target_tool_data_nowait.c b/offload/test/ompt/target_tool_data_nowait.c
deleted file mode 100644
index c5e20bec1bd55..0000000000000
--- a/offload/test/ompt/target_tool_data_nowait.c
+++ /dev/null
@@ -1,171 +0,0 @@
-// clang-format off
-// RUN: env LIBOMP_NUM_HIDDEN_HELPER_THREADS=1 %libomptarget-compile-run-and-check-generic
-// REQUIRES: ompt
-// clang-format on
-
-#include <inttypes.h>
-#include <omp-tools.h>
-#include <omp.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "register_with_host.h"
-
-#define N 1000000
-#define M 1000
-
-int main() {
-  float *x = malloc(N * sizeof(float));
-  float *y = malloc(N * sizeof(float));
-
-  for (int i = 0; i < N; i++) {
-    x[i] = 1;
-    y[i] = 1;
-  }
-
-#pragma omp target enter data map(to : x[0 : N]) map(alloc : y[0 : N])         \
-    nowait depend(inout : x)
-#pragma omp target teams distribute parallel for nowait depend(inout : x)
-  for (int i = 0; i < N; i++) {
-    for (int j = 0; j < M; j++) {
-      y[i] += 3 * x[i];
-    }
-  }
-
-#pragma omp target teams distribute parallel for nowait depend(inout : x)
-  for (int i = 0; i < N; i++) {
-    for (int j = 0; j < M; j++) {
-      y[i] += 3 * x[i];
-    }
-  }
-
-#pragma omp target exit data map(release : x[0 : N]) map(from : y[0 : N])      \
-    nowait depend(inout : x)
-#pragma omp taskwait
-
-  printf("%f, %f\n", x[0], y[0]);
-
-  free(x);
-  free(y);
-  return 0;
-}
-
-// clang-format off
-/// CHECK: ompt_event_initial_task_begin
-/// CHECK-SAME: task_id=[[ENCOUNTERING_TASK:[0-f]+]]
-
-/// CHECK: ompt_event_task_create
-/// CHECK-SAME: new_task_id=[[TARGET_TASK_1:[0-f]+]]
-/// CHECK-SAME: task_type=ompt_task_target
-
-/// CHECK: ompt_event_task_create
-/// CHECK-SAME: new_task_id=[[TARGET_TASK_2:[0-f]+]]
-/// CHECK-SAME: task_type=ompt_task_target
-
-/// CHECK: ompt_event_task_create
-/// CHECK-SAME: new_task_id=[[TARGET_TASK_3:[0-f]+]]
-/// CHECK-SAME: task_type=ompt_task_target
-
-/// CHECK: ompt_event_task_create
-/// CHECK-SAME: new_task_id=[[TARGET_TASK_4:[0-f]+]]
-/// CHECK-SAME: task_type=ompt_task_target
-
-/// CHECK: Callback Target EMI: kind=ompt_target_enter_data endpoint=ompt_scope_begin
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_1]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA:[0-f]+]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_1]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_1]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_1]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_1]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_1]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_1]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target_enter_data endpoint=ompt_scope_end
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_1]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target endpoint=ompt_scope_begin
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_2]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA:[0-f]+]])
-
-/// CHECK: Callback Submit EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Submit EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target endpoint=ompt_scope_end
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_2]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target endpoint=ompt_scope_begin
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_3]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA:[0-f]+]])
-
-/// CHECK: Callback Submit EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Submit EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target endpoint=ompt_scope_end
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_3]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target_exit_data endpoint=ompt_scope_begin
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_4]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA:[0-f]+]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_4]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_4]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_4]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_4]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_begin
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_4]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback DataOp EMI: endpoint=ompt_scope_end
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_4]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
-
-/// CHECK: Callback Target EMI: kind=ompt_target_exit_data endpoint=ompt_scope_end
-/// CHECK-SAME: task_data=0x{{[0-f]+}} (0x[[ENCOUNTERING_TASK]])
-/// CHECK-SAME: target_task_data=0x{{[0-f]+}} (0x[[TARGET_TASK_4]])
-/// CHECK-SAME: target_data=0x{{[0-f]+}} (0x[[TARGET_DATA]])
diff --git a/offload/test/ompt/target_tool_data_nowait_nodepend.c b/offload/test/ompt/target_tool_data_nowait_nodepend.c
deleted file mode 100644
index b28184bc304db..0000000000000
--- a/offload/test/ompt/target_tool_data_nowait_nodepend.c
+++ /dev/null
@@ -1,59 +0,0 @@
-// clang-format off
-// RUN: env LIBOMP_NUM_HIDDEN_HELPER_THREADS=1 %libomptarget-compile-run-and-check-generic
-// REQUIRES: ompt
-// clang-format on
-
-#include <inttypes.h>
-#include <omp-tools.h>
-#include <omp.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "register_with_host.h"
-
-#define N 1000000
-#define M 1000
-
-int main() {
-  float *x = malloc(N * sizeof(float));
-  float *y = malloc(N * sizeof(float));
-  float *a = malloc(N * sizeof(float));
-  float *b = malloc(N * sizeof(float));
-
-  for (int i = 0; i < N; i++) {
-    x[i] = 1;
-    y[i] = 1;
-    a[i] = 1;
-    b[i] = 1;
-  }
-
-#pragma omp target teams distribute parallel for nowait map(to : x[0 : N])     \
-    map(from : y[0 : N])
-  for (int i = 0; i < N; i++) {
-    for (int j = 0; j < M; j++) {
-      y[i] += 3 * x[i];
-    }
-  }
-
-#pragma omp target teams distribute parallel for nowait map(to : a[0 : N])     \
-    map(from : b[0 : N])
-  for (int i = 0; i < N; i++) {
-    for (int j = 0; j < M; j++) {
-      b[i] += 3 * a[i];
-    }
-  }
-
-#pragma omp taskwait
-
-  printf("%f, %f, %f, %f\n", x[0], y[0], a[0], b[0]);
-
-  free(x);
-  free(y);
-  free(a);
-  free(b);
-  return 0;
-}
-
-// clang-format off
-/// CHECK-NOT: target_task_data=(nil) (0x0)
-/// CHECK-NOT: target_data=(nil) (0x0)
diff --git a/openmp/runtime/src/ompt-general.cpp b/openmp/runtime/src/ompt-general.cpp
index a529f9976f9fc..1a778e4ecac3a 100644
--- a/openmp/runtime/src/ompt-general.cpp
+++ b/openmp/runtime/src/ompt-general.cpp
@@ -886,12 +886,10 @@ static ompt_interface_fn_t ompt_fn_lookup(const char *s) {
   return NULL;
 }
 
-static ompt_data_t *ompt_get_task_data() {
-  return __ompt_get_generating_task();
-}
+static ompt_data_t *ompt_get_task_data() { return __ompt_get_task_data(); }
 
-static ompt_task_info_t *ompt_get_task_info_target() {
-  return __ompt_get_task_info_target();
+static ompt_data_t *ompt_get_target_task_data() {
+  return __ompt_get_target_task_data();
 }
 
 /// Lookup function to query libomp callbacks registered by the tool
@@ -902,7 +900,7 @@ static ompt_interface_fn_t ompt_libomp_target_fn_lookup(const char *s) {
 
   provide_fn(ompt_get_callback);
   provide_fn(ompt_get_task_data);
-  provide_fn(ompt_get_task_info_target);
+  provide_fn(ompt_get_target_task_data);
 #undef provide_fn
 
 #define ompt_interface_fn(fn, type, code)                                      \
diff --git a/openmp/runtime/src/ompt-internal.h b/openmp/runtime/src/ompt-internal.h
index 6a9d6776e27e9..36b45f7a91ea2 100644
--- a/openmp/runtime/src/ompt-internal.h
+++ b/openmp/runtime/src/ompt-internal.h
@@ -57,11 +57,8 @@ typedef struct ompt_callbacks_active_s {
       (info->td_flags.merged_if0 ? ompt_task_mergeable : 0x0)
 
 typedef struct {
-  // liboffload only uses task_data and target_data. They must be the first
-  // elements!
-  ompt_data_t task_data;
-  ompt_data_t target_data;
   ompt_frame_t frame;
+  ompt_data_t task_data;
   struct kmp_taskdata *scheduling_parent;
   int thread_num;
   ompt_dispatch_chunk_t dispatch_chunk;
diff --git a/openmp/runtime/src/ompt-specific.cpp b/openmp/runtime/src/ompt-specific.cpp
index fea428cb38344..94ae2e5293875 100644
--- a/openmp/runtime/src/ompt-specific.cpp
+++ b/openmp/runtime/src/ompt-specific.cpp
@@ -346,30 +346,14 @@ void __ompt_lw_taskteam_unlink(kmp_info_t *thr) {
 // task support
 //----------------------------------------------------------
 
-ompt_data_t *__ompt_get_generating_task() {
+ompt_data_t *__ompt_get_task_data() {
   kmp_info_t *thr = ompt_get_thread();
-  if (thr) {
-    kmp_taskdata_t *taskdata = thr->th.th_current_task;
-    if (taskdata == NULL)
-      return NULL;
-    if (taskdata->td_flags.target)
-      return &(taskdata->td_parent->ompt_task_info.task_data);
-    else
-      return &(taskdata->ompt_task_info.task_data);
-  }
-  return NULL;
+  ompt_data_t *task_data = thr ? OMPT_CUR_TASK_DATA(thr) : NULL;
+  return task_data;
 }
 
-ompt_task_info_t *__ompt_get_task_info_target() {
-  kmp_info_t *thr = ompt_get_thread();
-  if (thr) {
-    kmp_taskdata_t *taskdata = thr->th.th_current_task;
-    if (taskdata == NULL)
-      return NULL;
-    if (taskdata->td_flags.target)
-      return &taskdata->ompt_task_info;
-  }
-  return NULL;
+ompt_data_t *__ompt_get_target_task_data() {
+  return &__kmp_threads[__kmp_get_gtid()]->th.ompt_thread_info.target_task_data;
 }
 
 int __ompt_get_task_info_internal(int ancestor_level, int *type,
diff --git a/openmp/runtime/src/ompt-specific.h b/openmp/runtime/src/ompt-specific.h
index 6dad1d76274db..b7eb140458b40 100644
--- a/openmp/runtime/src/ompt-specific.h
+++ b/openmp/runtime/src/ompt-specific.h
@@ -37,9 +37,9 @@ void __ompt_lw_taskteam_unlink(kmp_info_t *thr);
 
 ompt_team_info_t *__ompt_get_teaminfo(int depth, int *size);
 
-ompt_data_t *__ompt_get_generating_task();
+ompt_data_t *__ompt_get_task_data();
 
-ompt_task_info_t *__ompt_get_task_info_target();
+ompt_data_t *__ompt_get_target_task_data();
 
 ompt_task_info_t *__ompt_get_task_info_object(int depth);
 
diff --git a/openmp/runtime/test/ompt/callback.h b/openmp/runtime/test/ompt/callback.h
index 1e5283856c5b5..cd8acb57ee2f7 100644
--- a/openmp/runtime/test/ompt/callback.h
+++ b/openmp/runtime/test/ompt/callback.h
@@ -1018,8 +1018,6 @@ static void on_ompt_callback_error(ompt_severity_t severity,
          codeptr_ra);
 }
 
-#ifndef SKIP_CALLBACK_REGISTRATION
-
 int ompt_initialize(ompt_function_lookup_t lookup, int initial_device_num,
                     ompt_data_t *tool_data) {
   ompt_set_callback = (ompt_set_callback_t)lookup("ompt_set_callback");
@@ -1096,7 +1094,6 @@ ompt_start_tool_result_t *ompt_start_tool(unsigned int omp_version,
 #ifdef __cplusplus
 }
 #endif
-#endif // ifndef SKIP_CALLBACK_REGISTRATION
 #endif // ifndef USE_PRIVATE_TOOL
 #ifdef _OMPT_TESTS
 #undef _OMPT_TESTS



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