1//===-- LanaiMCExpr.h - Lanai specific MC expression classes ----*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIMCEXPR_H
10#define LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIMCEXPR_H
11
12#include "llvm/MC/MCExpr.h"
13#include "llvm/MC/MCValue.h"
14
15namespace llvm {
16
17class LanaiMCExpr : public MCTargetExpr {
18public:
19 enum VariantKind { VK_Lanai_None, VK_Lanai_ABS_HI, VK_Lanai_ABS_LO };
20
21private:
22 const VariantKind Kind;
23 const MCExpr *Expr;
24
25 explicit LanaiMCExpr(VariantKind Kind, const MCExpr *Expr)
26 : Kind(Kind), Expr(Expr) {}
27
28public:
29 static const LanaiMCExpr *create(VariantKind Kind, const MCExpr *Expr,
30 MCContext &Ctx);
31
32 // Returns the kind of this expression.
33 VariantKind getKind() const { return Kind; }
34
35 // Returns the child of this expression.
36 const MCExpr *getSubExpr() const { return Expr; }
37
38 void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
39 bool evaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
40 const MCFixup *Fixup) const override;
41 void visitUsedExpr(MCStreamer &Streamer) const override;
42 MCFragment *findAssociatedFragment() const override {
43 return getSubExpr()->findAssociatedFragment();
44 }
45
46 // There are no TLS LanaiMCExprs at the moment.
47 void fixELFSymbolsInTLSFixups(MCAssembler & /*Asm*/) const override {}
48
49 static bool classof(const MCExpr *E) {
50 return E->getKind() == MCExpr::Target;
51 }
52};
53} // end namespace llvm
54
55#endif
56