src/tint/lang/wgsl/ir/builtin_call.h

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#ifndef SRC_TINT_LANG_WGSL_IR_BUILTIN_CALL_H_
#define SRC_TINT_LANG_WGSL_IR_BUILTIN_CALL_H_

#include <string>

#include "src/tint/lang/core/intrinsic/table_data.h"
#include "src/tint/lang/core/ir/builtin_call.h"
#include "src/tint/lang/wgsl/builtin_fn.h"
#include "src/tint/lang/wgsl/intrinsic/dialect.h"
#include "src/tint/utils/rtti/castable.h"

namespace tint::wgsl::ir {

/// A WGSL builtin call instruction in the IR.
class BuiltinCall : public Castable<BuiltinCall, core::ir::BuiltinCall> {
  public:
    /// Constructor
    /// @param result the result value
    /// @param fn the builtin function
    /// @param args the conversion arguments
    BuiltinCall(core::ir::InstructionResult* result,
                BuiltinFn fn,
                VectorRef<core::ir::Value*> args = tint::Empty);
    ~BuiltinCall() override;

    /// @copydoc core::ir::Instruction::Clone()
    BuiltinCall* Clone(core::ir::CloneContext& ctx) override;

    /// @returns the builtin function
    BuiltinFn Func() const { return fn_; }

    /// @returns the identifier for the function
    size_t FuncId() const override { return static_cast<size_t>(fn_); }

    /// @returns the friendly name for the instruction
    std::string FriendlyName() const override { return std::string("wgsl.") + str(fn_); }

    /// @returns the table data to validate this builtin
    const core::intrinsic::TableData& TableData() const override {
        return intrinsic::Dialect::kData;
    }

  private:
    BuiltinFn fn_;
};

}  // namespace tint::wgsl::ir

#endif  // SRC_TINT_LANG_WGSL_IR_BUILTIN_CALL_H_