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#include "src/tint/lang/core/ir/transform/std140.h"

#include "src/tint/cmd/fuzz/ir/fuzz.h"
#include "src/tint/lang/core/address_space.h"
#include "src/tint/lang/core/ir/module.h"
#include "src/tint/lang/core/ir/validator.h"
#include "src/tint/lang/core/type/pointer.h"

namespace tint::core::ir::transform {
namespace {

bool CanRun(Module& module) {
    for (auto& fn : module.functions) {
        for (auto* param : fn->Params()) {
            if (auto* ptr = param->Type()->As<core::type::Pointer>();
                ptr && ptr->AddressSpace() == core::AddressSpace::kUniform) {
                return false;  // Requires the DirectVariableAccess transform
            }
        }
    }
    return true;
}

void Std140Fuzzer(Module& module) {
    if (!CanRun(module)) {
        return;
    }

    if (auto res = Std140(module); res != Success) {
        return;
    }

    Capabilities capabilities;
    if (auto res = Validate(module, capabilities); res != Success) {
        TINT_ICE() << "result of Std140 failed IR validation\n" << res.Failure();
    }
}

}  // namespace
}  // namespace tint::core::ir::transform

TINT_IR_MODULE_FUZZER(tint::core::ir::transform::Std140Fuzzer);