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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <map>
#include "shader_recompiler/exception.h"
#include "shader_recompiler/frontend/ir/basic_block.h"
#include "shader_recompiler/frontend/ir/microinstruction.h"
#include "shader_recompiler/ir_opt/passes.h"
namespace Shader::Optimization {
static void ValidateTypes(const IR::Block& block) {
for (const IR::Inst& inst : block) {
const size_t num_args{inst.NumArgs()};
for (size_t i = 0; i < num_args; ++i) {
const IR::Type t1{inst.Arg(i).Type()};
const IR::Type t2{IR::ArgTypeOf(inst.Opcode(), i)};
if (!IR::AreTypesCompatible(t1, t2)) {
throw LogicError("Invalid types in block:\n{}", IR::DumpBlock(block));
}
}
}
}
static void ValidateUses(const IR::Block& block) {
std::map<IR::Inst*, int> actual_uses;
for (const IR::Inst& inst : block) {
const size_t num_args{inst.NumArgs()};
for (size_t i = 0; i < num_args; ++i) {
const IR::Value arg{inst.Arg(i)};
if (!arg.IsImmediate()) {
++actual_uses[arg.Inst()];
}
}
}
for (const auto [inst, uses] : actual_uses) {
if (inst->UseCount() != uses) {
throw LogicError("Invalid uses in block:\n{}", IR::DumpBlock(block));
}
}
}
void VerificationPass(const IR::Block& block) {
ValidateTypes(block);
ValidateUses(block);
}
} // namespace Shader::Optimization
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