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cb26ea154c
Only merge once we find out wth is causing the crashes [we know it's fsr]
This reverts commit 82f9d489e7.
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3250
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <vector>
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#include <boost/container/small_vector.hpp>
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#include "shader_recompiler/frontend/ir/basic_block.h"
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#include "shader_recompiler/frontend/ir/value.h"
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#include "shader_recompiler/ir_opt/passes.h"
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namespace Shader::Optimization {
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void IdentityRemovalPass(IR::Program& program) {
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boost::container::small_vector<IR::Inst*, 16> to_invalidate;
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for (IR::Block* const block : program.blocks) {
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for (auto it = block->begin(); it != block->end();) {
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const size_t num_args{it->NumArgs()};
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for (size_t i = 0; i < num_args; ++i) {
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IR::Value arg = it->Arg(i);
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if (arg.IsIdentity()) {
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do { // Pointer chasing (3-derefs)
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arg = arg.Inst()->Arg(0);
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} while (arg.IsIdentity());
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it->SetArg(i, arg);
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}
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}
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if (it->GetOpcode() == IR::Opcode::Identity || it->GetOpcode() == IR::Opcode::Void) {
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to_invalidate.push_back(&*it);
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it = block->Instructions().erase(it);
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} else {
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++it;
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}
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}
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}
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for (IR::Inst* const inst : to_invalidate)
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inst->Invalidate();
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}
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} // namespace Shader::Optimization
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