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// Copyright 2022 The Tint Authors.
//
// Licensed 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.
#ifndef SRC_TINT_IR_BUILDER_H_
#define SRC_TINT_IR_BUILDER_H_
#include <utility>
#include "src/tint/constant/scalar.h"
#include "src/tint/ir/binary.h"
#include "src/tint/ir/bitcast.h"
#include "src/tint/ir/constant.h"
#include "src/tint/ir/function.h"
#include "src/tint/ir/if.h"
#include "src/tint/ir/loop.h"
#include "src/tint/ir/module.h"
#include "src/tint/ir/switch.h"
#include "src/tint/ir/temp.h"
#include "src/tint/ir/terminator.h"
#include "src/tint/ir/value.h"
#include "src/tint/type/bool.h"
#include "src/tint/type/f16.h"
#include "src/tint/type/f32.h"
#include "src/tint/type/i32.h"
#include "src/tint/type/u32.h"
namespace tint::ir {
/// Builds an ir::Module
class Builder {
public:
/// Constructor
Builder();
/// Constructor
/// @param mod the ir::Module to wrap with this builder
explicit Builder(Module&& mod);
/// Destructor
~Builder();
/// @returns a new block flow node
Block* CreateBlock();
/// @returns a new terminator flow node
Terminator* CreateTerminator();
/// Creates a function flow node
/// @returns the flow node
Function* CreateFunction();
/// Creates an if flow node
/// @returns the flow node
If* CreateIf();
/// Creates a loop flow node
/// @returns the flow node
Loop* CreateLoop();
/// Creates a switch flow node
/// @returns the flow node
Switch* CreateSwitch();
/// Creates a case flow node for the given case branch.
/// @param s the switch to create the case into
/// @param selectors the case selectors for the case statement
/// @returns the start block for the case flow node
Block* CreateCase(Switch* s, utils::VectorRef<Switch::CaseSelector> selectors);
/// Branches the given block to the given flow node.
/// @param from the block to branch from
/// @param to the node to branch too
/// @param args arguments to the branch
void Branch(Block* from, FlowNode* to, utils::VectorRef<Value*> args);
/// Creates a constant::Value
/// @param args the arguments
/// @returns the new constant value
template <typename T, typename... ARGS>
traits::EnableIf<traits::IsTypeOrDerived<T, constant::Value>, const T>* create(ARGS&&... args) {
return ir.constants.Create<T>(std::forward<ARGS>(args)...);
}
/// Creates a new ir::Constant
/// @param val the constant value
/// @returns the new constant
ir::Constant* Constant(const constant::Value* val) {
return ir.values.Create<ir::Constant>(val);
}
/// Creates a ir::Constant for an i32 Scalar
/// @param v the value
/// @returns the new constant
ir::Constant* Constant(i32 v) {
return Constant(create<constant::Scalar<i32>>(ir.types.Get<type::I32>(), v));
}
/// Creates a ir::Constant for a u32 Scalar
/// @param v the value
/// @returns the new constant
ir::Constant* Constant(u32 v) {
return Constant(create<constant::Scalar<u32>>(ir.types.Get<type::U32>(), v));
}
/// Creates a ir::Constant for a f32 Scalar
/// @param v the value
/// @returns the new constant
ir::Constant* Constant(f32 v) {
return Constant(create<constant::Scalar<f32>>(ir.types.Get<type::F32>(), v));
}
/// Creates a ir::Constant for a f16 Scalar
/// @param v the value
/// @returns the new constant
ir::Constant* Constant(f16 v) {
return Constant(create<constant::Scalar<f16>>(ir.types.Get<type::F16>(), v));
}
/// Creates a ir::Constant for a bool Scalar
/// @param v the value
/// @returns the new constant
ir::Constant* Constant(bool v) {
return Constant(create<constant::Scalar<bool>>(ir.types.Get<type::Bool>(), v));
}
/// Creates a new Temporary
/// @param type the type of the temporary
/// @returns the new temporary
ir::Temp* Temp(const type::Type* type) {
return ir.values.Create<ir::Temp>(type, AllocateTempId());
}
/// Creates an op for `lhs kind rhs`
/// @param kind the kind of operation
/// @param type the result type of the binary expression
/// @param lhs the left-hand-side of the operation
/// @param rhs the right-hand-side of the operation
/// @returns the operation
Binary* CreateBinary(Binary::Kind kind, const type::Type* type, Value* lhs, Value* rhs);
/// Creates an And operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* And(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an Or operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* Or(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an Xor operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* Xor(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an LogicalAnd operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* LogicalAnd(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an LogicalOr operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* LogicalOr(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an Equal operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* Equal(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an NotEqual operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* NotEqual(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an LessThan operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* LessThan(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an GreaterThan operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* GreaterThan(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an LessThanEqual operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* LessThanEqual(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an GreaterThanEqual operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* GreaterThanEqual(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an ShiftLeft operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* ShiftLeft(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an ShiftRight operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* ShiftRight(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an Add operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* Add(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an Subtract operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* Subtract(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an Multiply operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* Multiply(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an Divide operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* Divide(const type::Type* type, Value* lhs, Value* rhs);
/// Creates an Modulo operation
/// @param type the result type of the expression
/// @param lhs the lhs of the add
/// @param rhs the rhs of the add
/// @returns the operation
Binary* Modulo(const type::Type* type, Value* lhs, Value* rhs);
/// Creates a bitcast instruction
/// @param type the result type of the bitcast
/// @param val the value being bitcast
/// @returns the instruction
ir::Bitcast* Bitcast(const type::Type* type, Value* val);
/// @returns a unique temp id
Temp::Id AllocateTempId();
/// The IR module.
Module ir;
/// The next temporary number to allocate
Temp::Id next_temp_id = 1;
};
} // namespace tint::ir
#endif // SRC_TINT_IR_BUILDER_H_