diff options
| author | orivej <[email protected]> | 2022-02-10 16:44:49 +0300 |
|---|---|---|
| committer | Daniil Cherednik <[email protected]> | 2022-02-10 16:44:49 +0300 |
| commit | 718c552901d703c502ccbefdfc3c9028d608b947 (patch) | |
| tree | 46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/llvm12/include/llvm/CodeGen/MachineConstantPool.h | |
| parent | e9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff) | |
Restoring authorship annotation for <[email protected]>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/llvm12/include/llvm/CodeGen/MachineConstantPool.h')
| -rw-r--r-- | contrib/libs/llvm12/include/llvm/CodeGen/MachineConstantPool.h | 334 |
1 files changed, 167 insertions, 167 deletions
diff --git a/contrib/libs/llvm12/include/llvm/CodeGen/MachineConstantPool.h b/contrib/libs/llvm12/include/llvm/CodeGen/MachineConstantPool.h index 6cd70f86091..03b9c6e1b11 100644 --- a/contrib/libs/llvm12/include/llvm/CodeGen/MachineConstantPool.h +++ b/contrib/libs/llvm12/include/llvm/CodeGen/MachineConstantPool.h @@ -1,170 +1,170 @@ -#pragma once - -#ifdef __GNUC__ -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wunused-parameter" -#endif - -//===- CodeGen/MachineConstantPool.h - Abstract Constant Pool ---*- C++ -*-===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// -// -/// @file -/// This file declares the MachineConstantPool class which is an abstract -/// constant pool to keep track of constants referenced by a function. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_CODEGEN_MACHINECONSTANTPOOL_H -#define LLVM_CODEGEN_MACHINECONSTANTPOOL_H - -#include "llvm/ADT/DenseSet.h" -#include "llvm/MC/SectionKind.h" -#include "llvm/Support/Alignment.h" -#include <climits> -#include <vector> - -namespace llvm { - -class Constant; -class DataLayout; -class FoldingSetNodeID; -class MachineConstantPool; -class raw_ostream; -class Type; - -/// Abstract base class for all machine specific constantpool value subclasses. -/// -class MachineConstantPoolValue { - virtual void anchor(); - - Type *Ty; - -public: - explicit MachineConstantPoolValue(Type *ty) : Ty(ty) {} - virtual ~MachineConstantPoolValue() = default; - - Type *getType() const { return Ty; } - +#pragma once + +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-parameter" +#endif + +//===- CodeGen/MachineConstantPool.h - Abstract Constant Pool ---*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +/// @file +/// This file declares the MachineConstantPool class which is an abstract +/// constant pool to keep track of constants referenced by a function. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CODEGEN_MACHINECONSTANTPOOL_H +#define LLVM_CODEGEN_MACHINECONSTANTPOOL_H + +#include "llvm/ADT/DenseSet.h" +#include "llvm/MC/SectionKind.h" +#include "llvm/Support/Alignment.h" +#include <climits> +#include <vector> + +namespace llvm { + +class Constant; +class DataLayout; +class FoldingSetNodeID; +class MachineConstantPool; +class raw_ostream; +class Type; + +/// Abstract base class for all machine specific constantpool value subclasses. +/// +class MachineConstantPoolValue { + virtual void anchor(); + + Type *Ty; + +public: + explicit MachineConstantPoolValue(Type *ty) : Ty(ty) {} + virtual ~MachineConstantPoolValue() = default; + + Type *getType() const { return Ty; } + virtual unsigned getSizeInBytes(const DataLayout &DL) const; - virtual int getExistingMachineCPValue(MachineConstantPool *CP, - Align Alignment) = 0; - - virtual void addSelectionDAGCSEId(FoldingSetNodeID &ID) = 0; - - /// print - Implement operator<< - virtual void print(raw_ostream &O) const = 0; -}; - -inline raw_ostream &operator<<(raw_ostream &OS, - const MachineConstantPoolValue &V) { - V.print(OS); - return OS; -} - -/// This class is a data container for one entry in a MachineConstantPool. -/// It contains a pointer to the value and an offset from the start of -/// the constant pool. -/// An entry in a MachineConstantPool -class MachineConstantPoolEntry { -public: - /// The constant itself. - union { - const Constant *ConstVal; - MachineConstantPoolValue *MachineCPVal; - } Val; - - /// The required alignment for this entry. - Align Alignment; - - bool IsMachineConstantPoolEntry; - - MachineConstantPoolEntry(const Constant *V, Align A) - : Alignment(A), IsMachineConstantPoolEntry(false) { - Val.ConstVal = V; - } - - MachineConstantPoolEntry(MachineConstantPoolValue *V, Align A) - : Alignment(A), IsMachineConstantPoolEntry(true) { - Val.MachineCPVal = V; - } - - /// isMachineConstantPoolEntry - Return true if the MachineConstantPoolEntry - /// is indeed a target specific constantpool entry, not a wrapper over a - /// Constant. - bool isMachineConstantPoolEntry() const { return IsMachineConstantPoolEntry; } - - Align getAlign() const { return Alignment; } - + virtual int getExistingMachineCPValue(MachineConstantPool *CP, + Align Alignment) = 0; + + virtual void addSelectionDAGCSEId(FoldingSetNodeID &ID) = 0; + + /// print - Implement operator<< + virtual void print(raw_ostream &O) const = 0; +}; + +inline raw_ostream &operator<<(raw_ostream &OS, + const MachineConstantPoolValue &V) { + V.print(OS); + return OS; +} + +/// This class is a data container for one entry in a MachineConstantPool. +/// It contains a pointer to the value and an offset from the start of +/// the constant pool. +/// An entry in a MachineConstantPool +class MachineConstantPoolEntry { +public: + /// The constant itself. + union { + const Constant *ConstVal; + MachineConstantPoolValue *MachineCPVal; + } Val; + + /// The required alignment for this entry. + Align Alignment; + + bool IsMachineConstantPoolEntry; + + MachineConstantPoolEntry(const Constant *V, Align A) + : Alignment(A), IsMachineConstantPoolEntry(false) { + Val.ConstVal = V; + } + + MachineConstantPoolEntry(MachineConstantPoolValue *V, Align A) + : Alignment(A), IsMachineConstantPoolEntry(true) { + Val.MachineCPVal = V; + } + + /// isMachineConstantPoolEntry - Return true if the MachineConstantPoolEntry + /// is indeed a target specific constantpool entry, not a wrapper over a + /// Constant. + bool isMachineConstantPoolEntry() const { return IsMachineConstantPoolEntry; } + + Align getAlign() const { return Alignment; } + unsigned getSizeInBytes(const DataLayout &DL) const; - - /// This method classifies the entry according to whether or not it may - /// generate a relocation entry. This must be conservative, so if it might - /// codegen to a relocatable entry, it should say so. - bool needsRelocation() const; - - SectionKind getSectionKind(const DataLayout *DL) const; -}; - -/// The MachineConstantPool class keeps track of constants referenced by a -/// function which must be spilled to memory. This is used for constants which -/// are unable to be used directly as operands to instructions, which typically -/// include floating point and large integer constants. -/// -/// Instructions reference the address of these constant pool constants through -/// the use of MO_ConstantPoolIndex values. When emitting assembly or machine -/// code, these virtual address references are converted to refer to the -/// address of the function constant pool values. -/// The machine constant pool. -class MachineConstantPool { - Align PoolAlignment; ///< The alignment for the pool. - std::vector<MachineConstantPoolEntry> Constants; ///< The pool of constants. - /// MachineConstantPoolValues that use an existing MachineConstantPoolEntry. - DenseSet<MachineConstantPoolValue*> MachineCPVsSharingEntries; - const DataLayout &DL; - - const DataLayout &getDataLayout() const { return DL; } - -public: - /// The only constructor. - explicit MachineConstantPool(const DataLayout &DL) - : PoolAlignment(1), DL(DL) {} - ~MachineConstantPool(); - - /// Return the alignment required by the whole constant pool, of which the - /// first element must be aligned. - Align getConstantPoolAlign() const { return PoolAlignment; } - - /// getConstantPoolIndex - Create a new entry in the constant pool or return - /// an existing one. User must specify the minimum required alignment for - /// the object. - unsigned getConstantPoolIndex(const Constant *C, Align Alignment); - unsigned getConstantPoolIndex(MachineConstantPoolValue *V, Align Alignment); - - /// isEmpty - Return true if this constant pool contains no constants. - bool isEmpty() const { return Constants.empty(); } - - const std::vector<MachineConstantPoolEntry> &getConstants() const { - return Constants; - } - - /// print - Used by the MachineFunction printer to print information about - /// constant pool objects. Implemented in MachineFunction.cpp - void print(raw_ostream &OS) const; - - /// dump - Call print(cerr) to be called from the debugger. - void dump() const; -}; - -} // end namespace llvm - -#endif // LLVM_CODEGEN_MACHINECONSTANTPOOL_H - -#ifdef __GNUC__ -#pragma GCC diagnostic pop -#endif + + /// This method classifies the entry according to whether or not it may + /// generate a relocation entry. This must be conservative, so if it might + /// codegen to a relocatable entry, it should say so. + bool needsRelocation() const; + + SectionKind getSectionKind(const DataLayout *DL) const; +}; + +/// The MachineConstantPool class keeps track of constants referenced by a +/// function which must be spilled to memory. This is used for constants which +/// are unable to be used directly as operands to instructions, which typically +/// include floating point and large integer constants. +/// +/// Instructions reference the address of these constant pool constants through +/// the use of MO_ConstantPoolIndex values. When emitting assembly or machine +/// code, these virtual address references are converted to refer to the +/// address of the function constant pool values. +/// The machine constant pool. +class MachineConstantPool { + Align PoolAlignment; ///< The alignment for the pool. + std::vector<MachineConstantPoolEntry> Constants; ///< The pool of constants. + /// MachineConstantPoolValues that use an existing MachineConstantPoolEntry. + DenseSet<MachineConstantPoolValue*> MachineCPVsSharingEntries; + const DataLayout &DL; + + const DataLayout &getDataLayout() const { return DL; } + +public: + /// The only constructor. + explicit MachineConstantPool(const DataLayout &DL) + : PoolAlignment(1), DL(DL) {} + ~MachineConstantPool(); + + /// Return the alignment required by the whole constant pool, of which the + /// first element must be aligned. + Align getConstantPoolAlign() const { return PoolAlignment; } + + /// getConstantPoolIndex - Create a new entry in the constant pool or return + /// an existing one. User must specify the minimum required alignment for + /// the object. + unsigned getConstantPoolIndex(const Constant *C, Align Alignment); + unsigned getConstantPoolIndex(MachineConstantPoolValue *V, Align Alignment); + + /// isEmpty - Return true if this constant pool contains no constants. + bool isEmpty() const { return Constants.empty(); } + + const std::vector<MachineConstantPoolEntry> &getConstants() const { + return Constants; + } + + /// print - Used by the MachineFunction printer to print information about + /// constant pool objects. Implemented in MachineFunction.cpp + void print(raw_ostream &OS) const; + + /// dump - Call print(cerr) to be called from the debugger. + void dump() const; +}; + +} // end namespace llvm + +#endif // LLVM_CODEGEN_MACHINECONSTANTPOOL_H + +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif |
