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

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

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

bool CanRun(Module& module) {
    for (auto* inst : module.Instructions()) {
        if (inst->Results().Length() > 1) {
            // ValueToLet assumes that all multi-result instructions have been replaced
            return false;
        }
    }
    return true;
}

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

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

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

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

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