Revert "Fail build program on PVC with stateful accesses"

This reverts commit 9466113cef.

Signed-off-by: Compute-Runtime-Validation <compute-runtime-validation@intel.com>

shared/source/compiler_interface/compiler_options/compiler_options_base.h

@@ -16,7 +16,6 @@
 namespace NEO {
 namespace CompilerOptions {
 static constexpr ConstStringRef greaterThan4gbBuffersRequired = "-cl-intel-greater-than-4GB-buffer-required";
-static constexpr ConstStringRef smallerThan4gbBuffersOnly = "-cl-opt-smaller-than-4GB-buffers-only";
 static constexpr ConstStringRef hasBufferOffsetArg = "-cl-intel-has-buffer-offset-arg";
 static constexpr ConstStringRef kernelDebugEnable = "-cl-kernel-debug-enable";
 static constexpr ConstStringRef arch32bit = "-m32";

shared/source/debug_settings/debug_variables_base.inl

@@ -238,7 +238,6 @@ DECLARE_DEBUG_VARIABLE(bool, DisableStatelessToStatefulOptimization, false, "Dis
 DECLARE_DEBUG_VARIABLE(bool, DisableConcurrentBlockExecution, false, "disables concurrent block kernel execution")
 DECLARE_DEBUG_VARIABLE(bool, UseNoRingFlushesKmdMode, true, "Windows only, passes flag to KMD that informs KMD to not emit any ring buffer flushes.")
 DECLARE_DEBUG_VARIABLE(bool, DisableZeroCopyForUseHostPtr, false, "When active all buffer allocations created with CL_MEM_USE_HOST_PTR flag will not share memory with CPU.")
-DECLARE_DEBUG_VARIABLE(int32_t, UseSmallerThan4gbBuffersOnly, -1, " -1: default, 0: disabled, 1: enabled. When enabled, the driver will not force stateless accesses on devices with default stateless addressing mode")
 DECLARE_DEBUG_VARIABLE(int32_t, EnableHostPtrTracking, -1, "Enable host ptr tracking: -1 - default platform setting, 0 - disabled, 1 - enabled")
 DECLARE_DEBUG_VARIABLE(int32_t, MaxHwThreadsPercent, 0, "If not zero then maximum number of used HW threads is capped to max * MaxHwThreadsPercent / 100")
 DECLARE_DEBUG_VARIABLE(int32_t, MinHwThreadsUnoccupied, 0, "If not zero then maximum number of used HW threads is reduced by MinHwThreadsUnoccupied")

shared/source/helpers/CMakeLists.txt

@@ -7,8 +7,6 @@
 set(NEO_CORE_HELPERS
     ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
     ${CMAKE_CURRENT_SOURCE_DIR}/abort.h
-    ${CMAKE_CURRENT_SOURCE_DIR}/addressing_mode_helper.h
-    ${CMAKE_CURRENT_SOURCE_DIR}/addressing_mode_helper.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/address_patch.h
     ${CMAKE_CURRENT_SOURCE_DIR}/affinity_mask.h
     ${CMAKE_CURRENT_SOURCE_DIR}/aligned_memory.h

shared/source/helpers/addressing_mode_helper.cpp

@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2021-2022 Intel Corporation
- *
- * SPDX-License-Identifier: MIT
- *
- */
-
-#include "shared/source/helpers/addressing_mode_helper.h"
-
-#include "shared/source/compiler_interface/compiler_options/compiler_options_base.h"
-#include "shared/source/debug_settings/debug_settings_manager.h"
-#include "shared/source/helpers/compiler_hw_info_config.h"
-#include "shared/source/program/kernel_info.h"
-
-namespace NEO::AddressingModeHelper {
-
-bool forceToStatelessNeeded(const std::string &options, const std::string &smallerThan4GbBuffersOnlyOption, const HardwareInfo &hwInfo) {
-    auto preferStateful = false;
-    if (NEO::CompilerOptions::contains(options, smallerThan4GbBuffersOnlyOption)) {
-        preferStateful = true;
-    }
-    if (NEO::DebugManager.flags.UseSmallerThan4gbBuffersOnly.get() != -1) {
-        preferStateful = static_cast<bool>(NEO::DebugManager.flags.UseSmallerThan4gbBuffersOnly.get());
-    }
-
-    const auto &compilerHwInfoConfig = *CompilerHwInfoConfig::get(hwInfo.platform.eProductFamily);
-    auto forceStateless = !preferStateful && compilerHwInfoConfig.isForceToStatelessRequired();
-    return forceStateless;
-}
-
-bool containsStatefulAccess(const std::vector<KernelInfo *> &kernelInfos) {
-    for (const auto &kernelInfo : kernelInfos) {
-        for (const auto &arg : kernelInfo->kernelDescriptor.payloadMappings.explicitArgs) {
-            auto isStatefulAccess = arg.is<NEO::ArgDescriptor::ArgTPointer>() &&
-                                    (NEO::isValidOffset(arg.as<NEO::ArgDescPointer>().bindless) ||
-                                     NEO::isValidOffset(arg.as<NEO::ArgDescPointer>().bindful));
-            if (isStatefulAccess) {
-                return true;
-            }
-        }
-    }
-    return false;
-}
-
-} // namespace NEO::AddressingModeHelper

shared/source/helpers/addressing_mode_helper.h

@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2021-2022 Intel Corporation
- *
- * SPDX-License-Identifier: MIT
- *
- */
-
-#pragma once
-
-#include <string>
-#include <vector>
-
-namespace NEO {
-struct KernelInfo;
-struct HardwareInfo;
-
-namespace AddressingModeHelper {
-bool forceToStatelessNeeded(const std::string &options, const std::string &smallerThan4GbBuffersOnlyOption, const HardwareInfo &hwInfo);
-bool containsStatefulAccess(const std::vector<KernelInfo *> &kernelInfos);
-
-} // namespace AddressingModeHelper
-} // namespace NEO