mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-01 23:40:04 +00:00
c7da51a085
This CL follows up on the opt namespacing CLs by removing the unnecessary opt:: and opt::analysis:: namespace prefixes.
106 lines
3.8 KiB
C++
106 lines
3.8 KiB
C++
// Copyright (c) 2017 The Khronos Group Inc.
|
|
// Copyright (c) 2017 Valve Corporation
|
|
// Copyright (c) 2017 LunarG Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "local_ssa_elim_pass.h"
|
|
|
|
#include "cfa.h"
|
|
#include "iterator.h"
|
|
#include "ssa_rewrite_pass.h"
|
|
|
|
namespace spvtools {
|
|
namespace opt {
|
|
|
|
bool LocalMultiStoreElimPass::AllExtensionsSupported() const {
|
|
// If any extension not in whitelist, return false
|
|
for (auto& ei : get_module()->extensions()) {
|
|
const char* extName =
|
|
reinterpret_cast<const char*>(&ei.GetInOperand(0).words[0]);
|
|
if (extensions_whitelist_.find(extName) == extensions_whitelist_.end())
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
Pass::Status LocalMultiStoreElimPass::ProcessImpl() {
|
|
// Assumes relaxed logical addressing only (see instruction.h)
|
|
// TODO(greg-lunarg): Add support for physical addressing
|
|
if (context()->get_feature_mgr()->HasCapability(SpvCapabilityAddresses))
|
|
return Status::SuccessWithoutChange;
|
|
// Do not process if module contains OpGroupDecorate. Additional
|
|
// support required in KillNamesAndDecorates().
|
|
// TODO(greg-lunarg): Add support for OpGroupDecorate
|
|
for (auto& ai : get_module()->annotations())
|
|
if (ai.opcode() == SpvOpGroupDecorate) return Status::SuccessWithoutChange;
|
|
// Do not process if any disallowed extensions are enabled
|
|
if (!AllExtensionsSupported()) return Status::SuccessWithoutChange;
|
|
// Process functions
|
|
ProcessFunction pfn = [this](Function* fp) {
|
|
return SSARewriter(this).RewriteFunctionIntoSSA(fp);
|
|
};
|
|
bool modified = ProcessEntryPointCallTree(pfn, get_module());
|
|
return modified ? Status::SuccessWithChange : Status::SuccessWithoutChange;
|
|
}
|
|
|
|
LocalMultiStoreElimPass::LocalMultiStoreElimPass() = default;
|
|
|
|
Pass::Status LocalMultiStoreElimPass::Process() {
|
|
// Initialize extension whitelist
|
|
InitExtensions();
|
|
return ProcessImpl();
|
|
}
|
|
|
|
void LocalMultiStoreElimPass::InitExtensions() {
|
|
extensions_whitelist_.clear();
|
|
extensions_whitelist_.insert({
|
|
"SPV_AMD_shader_explicit_vertex_parameter",
|
|
"SPV_AMD_shader_trinary_minmax",
|
|
"SPV_AMD_gcn_shader",
|
|
"SPV_KHR_shader_ballot",
|
|
"SPV_AMD_shader_ballot",
|
|
"SPV_AMD_gpu_shader_half_float",
|
|
"SPV_KHR_shader_draw_parameters",
|
|
"SPV_KHR_subgroup_vote",
|
|
"SPV_KHR_16bit_storage",
|
|
"SPV_KHR_device_group",
|
|
"SPV_KHR_multiview",
|
|
"SPV_NVX_multiview_per_view_attributes",
|
|
"SPV_NV_viewport_array2",
|
|
"SPV_NV_stereo_view_rendering",
|
|
"SPV_NV_sample_mask_override_coverage",
|
|
"SPV_NV_geometry_shader_passthrough",
|
|
"SPV_AMD_texture_gather_bias_lod",
|
|
"SPV_KHR_storage_buffer_storage_class",
|
|
// SPV_KHR_variable_pointers
|
|
// Currently do not support extended pointer expressions
|
|
"SPV_AMD_gpu_shader_int16",
|
|
"SPV_KHR_post_depth_coverage",
|
|
"SPV_KHR_shader_atomic_counter_ops",
|
|
"SPV_EXT_shader_stencil_export",
|
|
"SPV_EXT_shader_viewport_index_layer",
|
|
"SPV_AMD_shader_image_load_store_lod",
|
|
"SPV_AMD_shader_fragment_mask",
|
|
"SPV_EXT_fragment_fully_covered",
|
|
"SPV_AMD_gpu_shader_half_float_fetch",
|
|
"SPV_GOOGLE_decorate_string",
|
|
"SPV_GOOGLE_hlsl_functionality1",
|
|
"SPV_NV_shader_subgroup_partitioned",
|
|
"SPV_EXT_descriptor_indexing",
|
|
});
|
|
}
|
|
|
|
} // namespace opt
|
|
} // namespace spvtools
|