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//===--- GenIntegerLiteral.h - IRGen for Builtin.IntegerLiteral -*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
// This file defines interfaces for emitting code for Builtin.IntegerLiteral
// values.
//
//===----------------------------------------------------------------------===//
#ifndef SWIFT_IRGEN_GENINTEGERLITERAL_H
#define SWIFT_IRGEN_GENINTEGERLITERAL_H
#include "swift/Basic/APIntMap.h"
namespace llvm {
class Constant;
class IntegerType;
class Type;
class Value;
}
namespace swift {
class IntegerLiteralInst;
namespace irgen {
class Explosion;
class IRGenFunction;
class IRGenModule;
/// A constant integer literal value.
struct ConstantIntegerLiteral {
llvm::Constant *Data;
llvm::Constant *Flags;
};
/// A map for caching globally-emitted constant integers.
class ConstantIntegerLiteralMap {
APIntMap<ConstantIntegerLiteral> map;
public:
ConstantIntegerLiteralMap() {}
ConstantIntegerLiteral get(IRGenModule &IGM, APInt &&value);
};
/// Construct a constant IntegerLiteral from an IntegerLiteralInst.
ConstantIntegerLiteral
emitConstantIntegerLiteral(IRGenModule &IGM, IntegerLiteralInst *ILI);
/// Emit a checked truncation of an IntegerLiteral value.
void emitIntegerLiteralCheckedTrunc(IRGenFunction &IGF, Explosion &in,
llvm::Type *FromTy,
llvm::IntegerType *resultTy,
bool resultIsSigned, Explosion &out);
/// Emit a sitofp operation on an IntegerLiteral value.
llvm::Value *emitIntegerLiteralToFP(IRGenFunction &IGF,
Explosion &in,
llvm::Type *toType);
llvm::Value *emitIntLiteralBitWidth(IRGenFunction &IGF, Explosion &in);
llvm::Value *emitIntLiteralIsNegative(IRGenFunction &IGF, Explosion &in);
llvm::Value *emitIntLiteralWordAtIndex(IRGenFunction &IGF, Explosion &in);
}
}
#endif
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