op.h

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
 
// Acknowledgement: Most operator APIs originate from Halide.
#ifndef TVM_TIRX_OP_H_
#define TVM_TIRX_OP_H_
 
#include <tvm/ir/expr.h>
#include <tvm/ir/op.h>
#include <tvm/ir/prim/builtin.h>
#include <tvm/ir/prim/expr.h>
#include <tvm/ir/type.h>
#include <tvm/tirx/builtin.h>
#include <tvm/tirx/op_attr_types.h>
#include <tvm/tirx/stmt.h>
 
#include <algorithm>
#include <limits>
#include <type_traits>
#include <utility>
 
namespace tvm {
 
#define TVM_TIR_REGISTER_OP(OpName)                               \
  TVM_REGISTER_OP("tirx." OpName)                                 \
      .set_attr<TScriptPrinterName>("TScriptPrinterName", OpName) \
      .set_attr<TIRxOpCategory>("TIRxOpCategory", ffi::String("builtin"), /*plevel=*/1)
 
#define TVM_TIRX_REGISTER_OP(OpName) TVM_TIR_REGISTER_OP(OpName)
 
// Most common operators can be overloaded by argument type(PrimExpr).
// So we put them under the root namespace.
//
// We put more developer oriented APIs -- MakeConst and is_const under tirx
// as they are more specific to the tirx namespace.
 
TVM_DLL Type GetType(const PrimExpr& expr);
 
TVM_DLL Type GetTypeFromRuntimeDataType(DLDataType dtype);
 
TVM_DLL PrimExpr thread_return(Span span = Span());
 
TVM_DLL PrimExpr continue_loop(Span span = Span());
 
TVM_DLL PrimExpr break_loop(Span span = Span());
 
TVM_DLL PrimExpr max_value(PrimType dtype, Span span = Span());
 
TVM_DLL PrimExpr min_value(PrimType dtype, Span span = Span());
 
TVM_DLL PrimExpr infinity(PrimType dtype, Span span = Span());
 
TVM_DLL PrimExpr cast(PrimType t, PrimExpr value, Span span = Span());
TVM_DLL PrimExpr reinterpret(PrimType t, PrimExpr value, Span span = Span());
TVM_DLL Expr reinterpret(Type target_ty, Expr value, Span span = Span());
TVM_DLL PrimExpr add(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr sub(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr neg(PrimExpr a, Span span = Span());
TVM_DLL PrimExpr mul(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr left_shift(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr right_shift(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr greater(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr greater_equal(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr less(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr less_equal(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr equal(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr not_equal(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr logical_and(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr logical_or(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr logical_not(PrimExpr a, Span span = Span());
TVM_DLL PrimExpr div(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr truncdiv(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr truncmod(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr indexdiv(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr shapediv(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr indexmod(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr floordiv(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr logaddexp(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr ceildiv(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr floormod(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr max(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr min(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr bitwise_and(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr bitwise_or(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr bitwise_xor(PrimExpr a, PrimExpr b, Span span = Span());
TVM_DLL PrimExpr bitwise_neg(PrimExpr a, Span span = Span());
TVM_DLL PrimExpr if_then_else(PrimExpr cond, PrimExpr true_value, PrimExpr false_value,
                              Span span = Span());
TVM_DLL PrimExpr likely(PrimExpr cond, Span span = Span());
TVM_DLL PrimExpr pow(PrimExpr x, PrimExpr y, Span span = Span());
TVM_DLL PrimExpr abs(PrimExpr x, Span span = Span());
TVM_DLL PrimExpr isnan(PrimExpr x, Span span = Span());
 
TVM_DLL PrimExpr isfinite(PrimExpr x, Span span = Span());
 
TVM_DLL PrimExpr isinf(PrimExpr x, Span span = Span());
 
TVM_DLL PrimExpr sum(PrimExpr source, ffi::Array<tirx::IterVar> axis,
                     ffi::Array<PrimExpr> init = {}, Span span = Span());
 
TVM_DLL PrimExpr all(PrimExpr source, ffi::Array<tirx::IterVar> axis,
                     ffi::Array<PrimExpr> init = {}, Span span = Span());
 
TVM_DLL PrimExpr any(PrimExpr source, ffi::Array<tirx::IterVar> axis,
                     ffi::Array<PrimExpr> init = {}, Span span = Span());
 
TVM_DLL PrimExpr max(PrimExpr source, ffi::Array<tirx::IterVar> axis,
                     ffi::Array<PrimExpr> init = {}, Span span = Span());
 
TVM_DLL PrimExpr min(PrimExpr source, ffi::Array<tirx::IterVar> axis,
                     ffi::Array<PrimExpr> init = {}, Span span = Span());
 
TVM_DLL PrimExpr prod(PrimExpr source, ffi::Array<tirx::IterVar> axis,
                      ffi::Array<PrimExpr> init = {}, Span span = Span());
 
TVM_DLL PrimExpr floor(PrimExpr x, Span span = Span());
 
TVM_DLL PrimExpr ceil(PrimExpr x, Span span = Span());
 
TVM_DLL PrimExpr round(PrimExpr x, Span span = Span());
 
TVM_DLL PrimExpr nearbyint(PrimExpr x, Span span = Span());
 
TVM_DLL PrimExpr trunc(PrimExpr x, Span span = Span());
 
TVM_DLL PrimExpr LargeUIntImm(PrimType value_ty, int64_t low, int64_t high, Span span = Span());
 
TVM_DLL PrimExpr q_multiply_shift(PrimExpr x, PrimExpr y, PrimExpr q, PrimExpr s,
                                  Span span = Span());
 
TVM_DLL PrimExpr fast_erf_float_expr(PrimExpr arg, int bits);
 
inline void CheckMathUnaryOpInputDType(const char* op_name, const PrimType& dtype) {
  TVM_FFI_CHECK(dtype.code() == DLDataTypeCode::kDLFloat ||
                    dtype.MatchesElementType(DLDataTypeCode::kDLBfloat, 16),
                TypeError)
      << "tirx." << op_name << " only supports floating-point inputs, but got " << dtype;
}
 
// Intrinsic operators
#define TVM_DECLARE_INTRIN_UNARY_WITH_CHECK(OpName, CheckInputDType)                           \
  inline PrimExpr OpName(PrimExpr x, Span span = Span()) {                                     \
    static const Op op = Op::Get("tirx." #OpName);                                             \
    PrimType x_ty = x.ty();                                                                    \
    CheckInputDType(#OpName, x_ty);                                                            \
    if (x_ty.MatchesElementType(DLDataTypeCode::kDLBfloat, 16)) {                              \
      PrimType bf16_ty = x_ty;                                                                 \
      PrimType f32_ty =                                                                        \
          x_ty.IsScalableVector()                                                              \
              ? PrimType::ScalableVector(DLDataTypeCode::kDLFloat, 32, x_ty.VScaleFactor())    \
              : PrimType::Float(32, x_ty.lanes());                                             \
      PrimExpr x_fp32 = prim::Cast(f32_ty, x, span);                                           \
      PrimExpr result_fp32 = Call(f32_ty, op, {x_fp32}, {}, {}, span).as_or_throw<PrimExpr>(); \
      return prim::Cast(bf16_ty, result_fp32, span);                                           \
    } else {                                                                                   \
      return Call(x_ty, op, {x}, {}, {}, span).as_or_throw<PrimExpr>();                        \
    }                                                                                          \
  }
 
#define TVM_DECLARE_INTRIN_UNARY(OpName) \
  TVM_DECLARE_INTRIN_UNARY_WITH_CHECK(OpName, [](const char*, const PrimType&) {})
 
#define TVM_DECLARE_FLOAT_INTRIN_UNARY(OpName) \
  TVM_DECLARE_INTRIN_UNARY_WITH_CHECK(OpName, CheckMathUnaryOpInputDType)
 
TVM_DECLARE_INTRIN_UNARY(exp);
TVM_DECLARE_INTRIN_UNARY(exp2);
TVM_DECLARE_INTRIN_UNARY(exp10);
TVM_DECLARE_INTRIN_UNARY(erf);
TVM_DECLARE_FLOAT_INTRIN_UNARY(tanh);
TVM_DECLARE_INTRIN_UNARY(sigmoid);
TVM_DECLARE_INTRIN_UNARY(sqrt);
TVM_DECLARE_INTRIN_UNARY(rsqrt);
TVM_DECLARE_INTRIN_UNARY(log);
TVM_DECLARE_INTRIN_UNARY(log2);
TVM_DECLARE_INTRIN_UNARY(log10);
TVM_DECLARE_INTRIN_UNARY(log1p);
TVM_DECLARE_INTRIN_UNARY(popcount);
TVM_DECLARE_FLOAT_INTRIN_UNARY(tan);
TVM_DECLARE_FLOAT_INTRIN_UNARY(cos);
TVM_DECLARE_FLOAT_INTRIN_UNARY(cosh);
TVM_DECLARE_FLOAT_INTRIN_UNARY(sin);
TVM_DECLARE_FLOAT_INTRIN_UNARY(sinh);
TVM_DECLARE_FLOAT_INTRIN_UNARY(asin);
TVM_DECLARE_FLOAT_INTRIN_UNARY(acos);
TVM_DECLARE_FLOAT_INTRIN_UNARY(atan);
TVM_DECLARE_FLOAT_INTRIN_UNARY(acosh);
TVM_DECLARE_FLOAT_INTRIN_UNARY(asinh);
TVM_DECLARE_FLOAT_INTRIN_UNARY(atanh);
TVM_DECLARE_INTRIN_UNARY(clz);
 
#define TVM_DECLARE_INTRIN_BINARY(OpName)                                  \
  inline PrimExpr OpName(PrimExpr x, PrimExpr y, Span span = Span()) {     \
    static const Op op = Op::Get("tirx." #OpName);                         \
    return Call(x.ty(), op, {x, y}, {}, {}, span).as_or_throw<PrimExpr>(); \
  }
 
TVM_DECLARE_INTRIN_BINARY(atan2);
TVM_DECLARE_INTRIN_BINARY(nextafter);
TVM_DECLARE_INTRIN_BINARY(copysign);
TVM_DECLARE_INTRIN_BINARY(hypot);
TVM_DECLARE_INTRIN_BINARY(ldexp);
 
namespace tirx {
 
inline bool IsPointerType(const Type& type, DLDataType element_type) {
  if (type.IsMissing()) return false;
  if (const auto* ptr_type = type.as<PointerTypeNode>()) {
    if (const auto* prim_type = ptr_type->element_type.as<PrimTypeNode>()) {
      return prim_type->dtype == element_type;
    }
  }
  return false;
}
 
template <typename ValueType,
          typename = typename std::enable_if<std::is_standard_layout<ValueType>::value &&
                                             std::is_trivial<ValueType>::value>::type>
inline PrimExpr MakeConst(PrimType dtype, ValueType value, Span span = Span());
inline Expr ConstHandle(int64_t value, Span span = Span());
inline const int64_t* as_const_int(const PrimExpr& x) {
  if (!x.defined()) return nullptr;
  if (const IntImmNode* op = x.as<IntImmNode>()) {
    return &(op->value);
  }
 
  return nullptr;
}
 
inline bool is_const_int(const PrimExpr& x, int64_t value);
 
inline bool is_no_op(const tirx::Stmt& stmt);
 
inline bool is_one(const PrimExpr& x) { return is_const_int(x, 1); }
 
inline bool is_zero(const PrimExpr& x) { return is_const_int(x, 0); }
 
inline bool is_const_int(const PrimExpr& x);
 
inline bool is_const_number(const PrimExpr& x);
 
template <typename FReduce>
inline PrimExpr foldl(FReduce freduce, PrimExpr init_value, const ffi::Array<PrimExpr>& values,
                      Span span = Span()) {
  for (PrimExpr val : values) {
    init_value = freduce(init_value, val, span);
  }
  return init_value;
}
 
TVM_DLL bool is_const_power_of_two_integer(const PrimExpr& x, int* shift);
 
// Implementation details after this
inline bool is_const_int(const PrimExpr& x) { return as_const_int(x); }
 
inline bool is_const_number(const PrimExpr& x) {
  if (x.as<IntImmNode>()) {
    return true;
  } else if (x.as<FloatImmNode>()) {
    return true;
  } else if (const auto* op = x.as<prim::BroadcastNode>()) {
    return (op->value->IsInstance<IntImmNode>() || op->value->IsInstance<FloatImmNode>());
  }
  return false;
}
 
inline bool is_positive_const(const PrimExpr& a) {
  const int64_t* as_int = as_const_int(a);
  return as_int && (*as_int > 0);
}
 
inline bool is_negative_const(const PrimExpr& a) {
  const int64_t* as_int = as_const_int(a);
  return as_int && (*as_int < 0);
}
 
inline bool is_const_int(const PrimExpr& x, int64_t value) {
  const int64_t* as_int = as_const_int(x);
  return as_int && (*as_int == value);
}
 
inline bool is_no_op(const tirx::Stmt& stmt) {
  if (!stmt.defined()) return true;
  if (const auto* op = stmt.as<tirx::EvaluateNode>()) {
    auto value = op->value.as<PrimExpr>();
    return value && is_const_int(value.value());
  }
  if (const auto* op = stmt.as<tirx::SeqStmtNode>()) {
    return op->seq.size() == 0;
  }
  return false;
}
 
template <typename ValueType>
inline PrimExpr MakeConstScalar(PrimType dtype, ValueType value, Span span = Span()) {
  DLDataTypeCode code = dtype.code();
  if (code == DLDataTypeCode::kDLInt || code == DLDataTypeCode::kDLBool) {
    return IntImm(dtype, static_cast<int64_t>(value), span);
  }
  if (code == DLDataTypeCode::kDLUInt) {
    // Use IntImm if it is a small integer
    uint64_t uval = static_cast<uint64_t>(value);
    if (value < static_cast<ValueType>(0)) {
      TVM_FFI_THROW(InternalError) << "cannot make uint from negative value " << value;
    } else if (uval <= static_cast<uint64_t>(std::numeric_limits<int64_t>::max())) {
      return IntImm(dtype, static_cast<int64_t>(value), span);
    } else {
      uint64_t mask = (static_cast<uint64_t>(1) << 32U) - 1U;
      uint64_t low = uval & mask;
      uint64_t high = uval >> 32U;
      return LargeUIntImm(dtype, static_cast<int64_t>(low), static_cast<int64_t>(high), span);
    }
  }
  if (dtype.MatchesCode(DLDataTypeCode::kDLFloat, DLDataTypeCode::kDLFloat8_e3m4,
                        DLDataTypeCode::kDLFloat8_e4m3, DLDataTypeCode::kDLFloat8_e4m3b11fnuz,
                        DLDataTypeCode::kDLFloat8_e4m3fn, DLDataTypeCode::kDLFloat8_e4m3fnuz,
                        DLDataTypeCode::kDLFloat8_e5m2, DLDataTypeCode::kDLFloat8_e5m2fnuz,
                        DLDataTypeCode::kDLFloat8_e8m0fnu, DLDataTypeCode::kDLFloat6_e2m3fn,
                        DLDataTypeCode::kDLFloat6_e3m2fn, DLDataTypeCode::kDLFloat4_e2m1fn) ||
      dtype.MatchesElementType(DLDataTypeCode::kDLBfloat, 16)) {
    return FloatImm(dtype, static_cast<double>(value), span);
  }
  TVM_FFI_THROW(InternalError) << "cannot make const for type " << dtype;
  throw;
}
 
template <>
inline PrimExpr MakeConstScalar(PrimType dtype, bool value, Span span) {
  return MakeConstScalar(dtype, static_cast<int>(value), span);
}
 
template <typename ValueType, typename>
inline PrimExpr MakeConst(PrimType dtype, ValueType value, Span span) {
  if (!dtype.IsScalableVector() && !dtype.IsFixedLengthVector()) {
    return MakeConstScalar(dtype, value, span);
  }
  PrimType elem_ty = dtype.WithLanes(1);
  if (dtype.IsFixedLengthVector()) {
    return prim::Broadcast(MakeConstScalar(elem_ty, value, span), dtype.lanes(), span);
  }
  PrimExpr lanes =
      prim::Mul(Call(PrimType::Int(32), prim::builtin::vscale(), {}).as_or_throw<PrimExpr>(),
                dtype.VScaleFactor());
  return prim::Broadcast(MakeConstScalar(elem_ty, value, span), lanes, span);
}
 
inline Expr ConstHandle(int64_t value, Span span) {
  return reinterpret(PointerType::VoidPointerTy(), IntImm(PrimType::UInt(64), value, span), span);
}
 
}  // namespace tirx
 
// additional const expression overloading
#define TVM_DEFINE_ASSIGN_OP_OVERLOAD(Name, OpFunc) \
  inline PrimExpr Name(PrimExpr& a, PrimExpr b) {   \
    a = OpFunc(a, b);                               \
    return a;                                       \
  }
 
#define TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD(Name)                                                \
  inline PrimExpr Name(const PrimExpr& a, float b) { return Name(a, PrimExpr(b)); }              \
  inline PrimExpr Name(float a, const PrimExpr& b) { return Name(PrimExpr(a), b); }              \
  inline PrimExpr Name(int a, const PrimExpr& b) { return Name(tirx::MakeConst(b.ty(), a), b); } \
  inline PrimExpr Name(const PrimExpr& a, int b) { return Name(a, tirx::MakeConst(a.ty(), b)); } \
  inline PrimExpr Name(const PrimExpr& a, double b) {                                            \
    return Name(a, FloatImm(PrimType::Float(64), b));                                            \
  }
 
#define TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(Name)                 \
  inline PrimExpr Name(const PrimExpr& a, float b, Span span = Span()) {  \
    return Name(a, PrimExpr(b), span);                                    \
  }                                                                       \
  inline PrimExpr Name(float a, const PrimExpr& b, Span span = Span()) {  \
    return Name(PrimExpr(a), b, span);                                    \
  }                                                                       \
  inline PrimExpr Name(int a, const PrimExpr& b, Span span = Span()) {    \
    return Name(tirx::MakeConst(b.ty(), a), b, span);                     \
  }                                                                       \
  inline PrimExpr Name(const PrimExpr& a, int b, Span span = Span()) {    \
    return Name(a, tirx::MakeConst(a.ty(), b), span);                     \
  }                                                                       \
  inline PrimExpr Name(const PrimExpr& a, double b, Span span = Span()) { \
    return Name(a, FloatImm(PrimType::Float(64), b), span);               \
  }
 
#define TVM_DEFINE_LOGICAL_OP_CONST_VAL_OVERLOAD(Name)                             \
  inline PrimExpr Name(const PrimExpr& a, bool b) { return Name(a, PrimExpr(b)); } \
  inline PrimExpr Name(bool a, const PrimExpr& b) { return Name(PrimExpr(a), b); }
 
#define TVM_DEFINE_LOGICAL_OP_CONST_VAL_OVERLOAD_SPANNED(Name)          \
  inline PrimExpr Name(const PrimExpr& a, bool b, Span span = Span()) { \
    return Name(a, PrimExpr(b), span);                                  \
  }                                                                     \
  inline PrimExpr Name(bool a, const PrimExpr& b, Span span = Span()) { \
    return Name(PrimExpr(a), b, span);                                  \
  }
 
#define TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD(Name)                                               \
  inline PrimExpr Name(const PrimExpr& a, int b) { return Name(a, tirx::MakeConst(a.ty(), b)); } \
  inline PrimExpr Name(int a, const PrimExpr& b) { return Name(tirx::MakeConst(b.ty(), a), b); }
 
#define TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(Name)             \
  inline PrimExpr Name(const PrimExpr& a, int b, Span span = Span()) { \
    return Name(a, tirx::MakeConst(a.ty(), b), span);                  \
  }                                                                    \
  inline PrimExpr Name(int a, const PrimExpr& b, Span span = Span()) { \
    return Name(tirx::MakeConst(b.ty(), a), b, span);                  \
  }
 
TVM_DEFINE_ASSIGN_OP_OVERLOAD(operator+=, operator+);
TVM_DEFINE_ASSIGN_OP_OVERLOAD(operator-=, operator-);
TVM_DEFINE_ASSIGN_OP_OVERLOAD(operator*=, operator*);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD(operator+);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD(operator-);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD(operator*);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD(operator>);  // NOLINT(*)
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD(operator>=);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD(operator<);  // NOLINT(*)
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD(operator<=);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(max);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(min);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(div);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(add);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(sub);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(mul);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(greater);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(greater_equal);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(less);
TVM_DEFINE_BINOP_CONST_VAL_OVERLOAD_SPANNED(less_equal);
// integer related ops
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(indexdiv);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(indexmod);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(truncdiv);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(truncmod);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(floordiv);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(logaddexp);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(floormod);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(right_shift);  // NOLINT(*)
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(left_shift);   // NOLINT(*)
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(bitwise_and);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(bitwise_or);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD_SPANNED(bitwise_xor);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD(operator>>);  // NOLINT(*)
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD(operator<<);  // NOLINT(*)
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD(operator&);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD(operator|);
TVM_DEFINE_INT_OP_CONST_VAL_OVERLOAD(operator^);
// logical ops
TVM_DEFINE_LOGICAL_OP_CONST_VAL_OVERLOAD(operator&&);
TVM_DEFINE_LOGICAL_OP_CONST_VAL_OVERLOAD(operator||);
TVM_DEFINE_LOGICAL_OP_CONST_VAL_OVERLOAD_SPANNED(logical_and);
TVM_DEFINE_LOGICAL_OP_CONST_VAL_OVERLOAD_SPANNED(logical_or);
 
template <typename TA>
inline void DivAmbiguityError(const TA& a) {
  constexpr bool div_ambiguity = !std::is_class<TA>::value;
  static_assert(div_ambiguity,
                "TVM supports multiple types of integer divisions, "
                "please call div, indexdiv/indexmod, "
                "floordiv/floormod or truncdiv/truncmod directly "
                "to avoid ambiguity in the code. "
                "Checkout these functions in tirx/op.h.");
}
 
// The following code are not intended to be used in the codebase.
// Instead, they generate clear compiler errors that ask developers
// to use the specific division function.
// The second template argument is necessary to make sure the
// code compiles lazily by the compiler during invocation.
template <typename TB>
inline PrimExpr operator/(const PrimExpr& a, const TB& b) {
  DivAmbiguityError(a);
  return a;
}
 
template <typename TB>
inline PrimExpr operator/=(const PrimExpr& a, const TB& b) {
  DivAmbiguityError(a);
  return a;
}
 
template <typename TB>
inline PrimExpr operator%(const PrimExpr& a, const TB& b) {
  DivAmbiguityError(a);
  return a;
}
}  // namespace tvm
#endif  // TVM_TIR_OP_H_