LLVM 17.0.0git
NVPTXMCExpr.h
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1//===-- NVPTXMCExpr.h - NVPTX 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// Modeled after ARMMCExpr
10
11#ifndef LLVM_LIB_TARGET_NVPTX_NVPTXMCEXPR_H
12#define LLVM_LIB_TARGET_NVPTX_NVPTXMCEXPR_H
13
14#include "llvm/ADT/APFloat.h"
15#include "llvm/MC/MCExpr.h"
16#include <utility>
17
18namespace llvm {
19
21public:
24 VK_NVPTX_HALF_PREC_FLOAT, // FP constant in half-precision
25 VK_NVPTX_SINGLE_PREC_FLOAT, // FP constant in single-precision
26 VK_NVPTX_DOUBLE_PREC_FLOAT // FP constant in double-precision
27 };
28
29private:
30 const VariantKind Kind;
31 const APFloat Flt;
32
33 explicit NVPTXFloatMCExpr(VariantKind Kind, APFloat Flt)
34 : Kind(Kind), Flt(std::move(Flt)) {}
35
36public:
37 /// @name Construction
38 /// @{
39
40 static const NVPTXFloatMCExpr *create(VariantKind Kind, const APFloat &Flt,
41 MCContext &Ctx);
42
44 MCContext &Ctx) {
46 }
47
49 MCContext &Ctx) {
51 }
52
54 MCContext &Ctx) {
56 }
57
58 /// @}
59 /// @name Accessors
60 /// @{
61
62 /// getOpcode - Get the kind of this expression.
63 VariantKind getKind() const { return Kind; }
64
65 /// getSubExpr - Get the child of this expression.
66 APFloat getAPFloat() const { return Flt; }
67
68/// @}
69
70 void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
72 const MCAsmLayout *Layout,
73 const MCFixup *Fixup) const override {
74 return false;
75 }
76 void visitUsedExpr(MCStreamer &Streamer) const override {};
77 MCFragment *findAssociatedFragment() const override { return nullptr; }
78
79 // There are no TLS NVPTXMCExprs at the moment.
80 void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override {}
81
82 static bool classof(const MCExpr *E) {
83 return E->getKind() == MCExpr::Target;
84 }
85};
86
87/// A wrapper for MCSymbolRefExpr that tells the assembly printer that the
88/// symbol should be enclosed by generic().
90private:
91 const MCSymbolRefExpr *SymExpr;
92
93 explicit NVPTXGenericMCSymbolRefExpr(const MCSymbolRefExpr *_SymExpr)
94 : SymExpr(_SymExpr) {}
95
96public:
97 /// @name Construction
98 /// @{
99
100 static const NVPTXGenericMCSymbolRefExpr
101 *create(const MCSymbolRefExpr *SymExpr, MCContext &Ctx);
102
103 /// @}
104 /// @name Accessors
105 /// @{
106
107 /// getOpcode - Get the kind of this expression.
108 const MCSymbolRefExpr *getSymbolExpr() const { return SymExpr; }
109
110 /// @}
111
112 void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
114 const MCAsmLayout *Layout,
115 const MCFixup *Fixup) const override {
116 return false;
117 }
118 void visitUsedExpr(MCStreamer &Streamer) const override {};
119 MCFragment *findAssociatedFragment() const override { return nullptr; }
120
121 // There are no TLS NVPTXMCExprs at the moment.
122 void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override {}
123
124 static bool classof(const MCExpr *E) {
125 return E->getKind() == MCExpr::Target;
126 }
127 };
128} // end namespace llvm
129
130#endif
This file declares a class to represent arbitrary precision floating point values and provide a varie...
static GCRegistry::Add< CoreCLRGC > E("coreclr", "CoreCLR-compatible GC")
PowerPC TLS Dynamic Call Fixup
This class is intended to be used as a base class for asm properties and features specific to the tar...
Definition: MCAsmInfo.h:56
Encapsulates the layout of an assembly file at a particular point in time.
Definition: MCAsmLayout.h:28
Context object for machine code objects.
Definition: MCContext.h:76
Base class for the full range of assembler expressions which are needed for parsing.
Definition: MCExpr.h:35
@ Target
Target specific expression.
Definition: MCExpr.h:42
Encode information on a single operation to perform on a byte sequence (e.g., an encoded instruction)...
Definition: MCFixup.h:71
Streaming machine code generation interface.
Definition: MCStreamer.h:212
Represent a reference to a symbol from inside an expression.
Definition: MCExpr.h:192
This is an extension point for target-specific MCExpr subclasses to implement.
Definition: MCExpr.h:645
This represents an "assembler immediate".
Definition: MCValue.h:36
static const NVPTXFloatMCExpr * createConstantFPHalf(const APFloat &Flt, MCContext &Ctx)
Definition: NVPTXMCExpr.h:43
APFloat getAPFloat() const
getSubExpr - Get the child of this expression.
Definition: NVPTXMCExpr.h:66
VariantKind getKind() const
getOpcode - Get the kind of this expression.
Definition: NVPTXMCExpr.h:63
void visitUsedExpr(MCStreamer &Streamer) const override
Definition: NVPTXMCExpr.h:76
bool evaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout, const MCFixup *Fixup) const override
Definition: NVPTXMCExpr.h:71
static const NVPTXFloatMCExpr * createConstantFPSingle(const APFloat &Flt, MCContext &Ctx)
Definition: NVPTXMCExpr.h:48
static const NVPTXFloatMCExpr * create(VariantKind Kind, const APFloat &Flt, MCContext &Ctx)
Definition: NVPTXMCExpr.cpp:19
void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override
Definition: NVPTXMCExpr.cpp:23
void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override
Definition: NVPTXMCExpr.h:80
static const NVPTXFloatMCExpr * createConstantFPDouble(const APFloat &Flt, MCContext &Ctx)
Definition: NVPTXMCExpr.h:53
static bool classof(const MCExpr *E)
Definition: NVPTXMCExpr.h:82
MCFragment * findAssociatedFragment() const override
Definition: NVPTXMCExpr.h:77
A wrapper for MCSymbolRefExpr that tells the assembly printer that the symbol should be enclosed by g...
Definition: NVPTXMCExpr.h:89
static const NVPTXGenericMCSymbolRefExpr * create(const MCSymbolRefExpr *SymExpr, MCContext &Ctx)
Definition: NVPTXMCExpr.cpp:54
void visitUsedExpr(MCStreamer &Streamer) const override
Definition: NVPTXMCExpr.h:118
MCFragment * findAssociatedFragment() const override
Definition: NVPTXMCExpr.h:119
const MCSymbolRefExpr * getSymbolExpr() const
getOpcode - Get the kind of this expression.
Definition: NVPTXMCExpr.h:108
bool evaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout, const MCFixup *Fixup) const override
Definition: NVPTXMCExpr.h:113
void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override
Definition: NVPTXMCExpr.cpp:59
void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override
Definition: NVPTXMCExpr.h:122
static bool classof(const MCExpr *E)
Definition: NVPTXMCExpr.h:124
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition: raw_ostream.h:52
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
OutputIt move(R &&Range, OutputIt Out)
Provide wrappers to std::move which take ranges instead of having to pass begin/end explicitly.
Definition: STLExtras.h:1862
Definition: BitVector.h:851