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#include "src/tint/lang/core/ir/user_call.h"

#include <utility>

#include "src/tint/lang/core/ir/clone_context.h"
#include "src/tint/lang/core/ir/module.h"

TINT_INSTANTIATE_TYPEINFO(tint::core::ir::UserCall);

namespace tint::core::ir {

UserCall::UserCall() {
    flags_.Add(Flag::kSequenced);
}

UserCall::UserCall(InstructionResult* result, Function* func, VectorRef<Value*> arguments) {
    flags_.Add(Flag::kSequenced);
    AddOperand(UserCall::kFunctionOperandOffset, func);
    AddOperands(UserCall::kArgsOperandOffset, std::move(arguments));
    AddResult(result);
}

UserCall::~UserCall() = default;

UserCall* UserCall::Clone(CloneContext& ctx) {
    auto* new_result = ctx.Clone(Result(0));
    auto* target = ctx.Remap(Target());
    auto args = ctx.Remap<UserCall::kDefaultNumOperands>(Args());
    return ctx.ir.instructions.Create<UserCall>(new_result, target, args);
}

void UserCall::SetArgs(VectorRef<Value*> arguments) {
    auto* fn = Target();
    ClearOperands();
    AddOperand(UserCall::kFunctionOperandOffset, fn);
    AddOperands(UserCall::kArgsOperandOffset, std::move(arguments));
}

}  // namespace tint::core::ir