clang 23.0.0git
Public Types | Public Member Functions | Public Attributes | List of all members
clang::TargetInfo::ConstraintInfo Struct Reference

#include "clang/Basic/TargetInfo.h"

Public Types

enum  {
  CI_None = 0x00 , CI_AllowsMemory = 0x01 , CI_AllowsRegister = 0x02 , CI_ReadWrite = 0x04 ,
  CI_HasMatchingInput = 0x08 , CI_ImmediateConstant = 0x10 , CI_EarlyClobber = 0x20 , CI_OutputOperandBounds = 0x40
}

Public Member Functions

 ConstraintInfo (StringRef ConstraintStr, StringRef Name)
const std::string & getConstraintStr () const
const std::string & getName () const
bool isReadWrite () const
bool earlyClobber ()
bool allowsRegister () const
bool allowsMemory () const
bool hasMatchingInput () const
 Return true if this output operand has a matching (tied) input operand.
bool hasTiedOperand () const
 Return true if this input operand is a matching constraint that ties it to an output operand.
unsigned getTiedOperand () const
bool requiresImmediateConstant () const
bool isValidAsmImmediate (const llvm::APInt &Value) const
void setIsReadWrite ()
void setEarlyClobber ()
void setAllowsMemory ()
void setAllowsRegister ()
void setHasMatchingInput ()
void setRequiresImmediate (int Min, int Max)
void setRequiresImmediate (llvm::ArrayRef< int > Exacts)
void setRequiresImmediate (int Exact)
void setRequiresImmediate ()
void setTiedOperand (unsigned N, ConstraintInfo &Output)
 Indicate that this is an input operand that is tied to the specified output operand.
void setOutputOperandBounds (unsigned Min, unsigned Max)
std::optional< std::pair< unsigned, unsigned > > getOutputOperandBounds () const

Public Attributes

unsigned Flags
int TiedOperand
struct { 
   int   Min 
   int   Max 
   bool   isConstrained 
} ImmRange
llvm::SmallSet< int, 4 > ImmSet
std::string ConstraintStr
std::string Name

Detailed Description

Definition at line 1128 of file TargetInfo.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum
Enumerator
CI_None 
CI_AllowsMemory 
CI_AllowsRegister 
CI_ReadWrite 
CI_HasMatchingInput 
CI_ImmediateConstant 
CI_EarlyClobber 
CI_OutputOperandBounds 

Definition at line 1129 of file TargetInfo.h.

Constructor & Destructor Documentation

◆ ConstraintInfo()

clang::TargetInfo::ConstraintInfo::ConstraintInfo ( StringRef ConstraintStr,
StringRef Name )
inline

Definition at line 1151 of file TargetInfo.h.

References ConstraintStr, Flags, ImmRange, Name, and TiedOperand.

Referenced by setTiedOperand().

Member Function Documentation

◆ allowsMemory()

bool clang::TargetInfo::ConstraintInfo::allowsMemory ( ) const
inline

Definition at line 1163 of file TargetInfo.h.

References CI_AllowsMemory, and Flags.

Referenced by clang::Sema::ActOnGCCAsmStmt(), clang::CIRGen::CIRGenFunction::emitAsmInput(), clang::CIRGen::CIRGenFunction::emitAsmInputLValue(), clang::CIRGen::CIRGenFunction::emitAsmStmt(), and clang::TargetInfo::validateOutputConstraint().

◆ allowsRegister()

bool clang::TargetInfo::ConstraintInfo::allowsRegister ( ) const
inline

Definition at line 1162 of file TargetInfo.h.

References CI_AllowsRegister, and Flags.

Referenced by clang::Sema::ActOnGCCAsmStmt(), clang::AsmStmt::addVariableConstraints(), clang::CIRGen::CIRGenFunction::emitAsmInput(), clang::CIRGen::CIRGenFunction::emitAsmInputLValue(), clang::CIRGen::CIRGenFunction::emitAsmStmt(), and clang::TargetInfo::validateOutputConstraint().

◆ earlyClobber()

bool clang::TargetInfo::ConstraintInfo::earlyClobber ( )
inline

Definition at line 1161 of file TargetInfo.h.

References CI_EarlyClobber, and Flags.

Referenced by clang::CIRGen::CIRGenFunction::emitAsmStmt(), and clang::TargetInfo::validateOutputConstraint().

◆ getConstraintStr()

const std::string & clang::TargetInfo::ConstraintInfo::getConstraintStr ( ) const
inline

Definition at line 1158 of file TargetInfo.h.

References ConstraintStr.

Referenced by clang::Sema::ActOnGCCAsmStmt(), checkExprMemoryConstraintCompat(), and clang::TargetInfo::validateOutputConstraint().

◆ getName()

const std::string & clang::TargetInfo::ConstraintInfo::getName ( ) const
inline

Definition at line 1159 of file TargetInfo.h.

References Name.

◆ getOutputOperandBounds()

std::optional< std::pair< unsigned, unsigned > > clang::TargetInfo::ConstraintInfo::getOutputOperandBounds ( ) const
inline

Definition at line 1237 of file TargetInfo.h.

References CI_OutputOperandBounds, Flags, and ImmRange.

◆ getTiedOperand()

unsigned clang::TargetInfo::ConstraintInfo::getTiedOperand ( ) const
inline

Definition at line 1175 of file TargetInfo.h.

References hasTiedOperand(), and TiedOperand.

Referenced by clang::Sema::ActOnGCCAsmStmt(), clang::CIRGen::CIRGenFunction::emitAsmStmt(), and clang::TargetInfo::validateInputConstraint().

◆ hasMatchingInput()

bool clang::TargetInfo::ConstraintInfo::hasMatchingInput ( ) const
inline

Return true if this output operand has a matching (tied) input operand.

Definition at line 1167 of file TargetInfo.h.

References CI_HasMatchingInput, and Flags.

Referenced by clang::CIRGen::CIRGenFunction::emitAsmStmt().

◆ hasTiedOperand()

bool clang::TargetInfo::ConstraintInfo::hasTiedOperand ( ) const
inline

Return true if this input operand is a matching constraint that ties it to an output operand.

If this returns true then getTiedOperand will indicate which output operand this is tied to.

Definition at line 1174 of file TargetInfo.h.

References TiedOperand.

Referenced by clang::Sema::ActOnGCCAsmStmt(), clang::CIRGen::CIRGenFunction::emitAsmStmt(), getTiedOperand(), and clang::TargetInfo::validateInputConstraint().

◆ isReadWrite()

bool clang::TargetInfo::ConstraintInfo::isReadWrite ( ) const
inline

Definition at line 1160 of file TargetInfo.h.

References CI_ReadWrite, and Flags.

Referenced by clang::CIRGen::CIRGenFunction::emitAsmStmt(), and clang::TargetInfo::validateOutputConstraint().

◆ isValidAsmImmediate()

bool clang::TargetInfo::ConstraintInfo::isValidAsmImmediate ( const llvm::APInt & Value) const
inline

Definition at line 1183 of file TargetInfo.h.

References ImmRange, and ImmSet.

Referenced by clang::Sema::ActOnGCCAsmStmt().

◆ requiresImmediateConstant()

bool clang::TargetInfo::ConstraintInfo::requiresImmediateConstant ( ) const
inline

Definition at line 1180 of file TargetInfo.h.

References CI_ImmediateConstant, and Flags.

Referenced by clang::Sema::ActOnGCCAsmStmt(), and clang::CIRGen::CIRGenFunction::emitAsmInput().

◆ setAllowsMemory()

void clang::TargetInfo::ConstraintInfo::setAllowsMemory ( )
inline

Definition at line 1192 of file TargetInfo.h.

References CI_AllowsMemory, and Flags.

Referenced by clang::targets::AArch64TargetInfo::validateAsmConstraint(), clang::targets::ARMTargetInfo::validateAsmConstraint(), clang::targets::LoongArchTargetInfo::validateAsmConstraint(), clang::targets::M68kTargetInfo::validateAsmConstraint(), clang::targets::MipsTargetInfo::validateAsmConstraint(), clang::targets::PPCTargetInfo::validateAsmConstraint(), clang::targets::RISCVTargetInfo::validateAsmConstraint(), clang::targets::SystemZTargetInfo::validateAsmConstraint(), clang::TargetInfo::validateInputConstraint(), and clang::TargetInfo::validateOutputConstraint().

◆ setAllowsRegister()

void clang::TargetInfo::ConstraintInfo::setAllowsRegister ( )
inline

Definition at line 1193 of file TargetInfo.h.

References CI_AllowsRegister, and Flags.

Referenced by clang::targets::AArch64TargetInfo::validateAsmConstraint(), clang::targets::AMDGPUTargetInfo::validateAsmConstraint(), clang::targets::ARMTargetInfo::validateAsmConstraint(), clang::targets::AVRTargetInfo::validateAsmConstraint(), clang::targets::BPFTargetInfo::validateAsmConstraint(), clang::targets::CSKYTargetInfo::validateAsmConstraint(), clang::targets::HexagonTargetInfo::validateAsmConstraint(), clang::targets::LoongArchTargetInfo::validateAsmConstraint(), clang::targets::M68kTargetInfo::validateAsmConstraint(), clang::targets::MipsTargetInfo::validateAsmConstraint(), clang::targets::NVPTXTargetInfo::validateAsmConstraint(), clang::targets::PPCTargetInfo::validateAsmConstraint(), clang::targets::RISCVTargetInfo::validateAsmConstraint(), clang::targets::SparcTargetInfo::validateAsmConstraint(), clang::targets::SystemZTargetInfo::validateAsmConstraint(), clang::targets::VETargetInfo::validateAsmConstraint(), clang::targets::X86TargetInfo::validateAsmConstraint(), clang::targets::XtensaTargetInfo::validateAsmConstraint(), clang::TargetInfo::validateInputConstraint(), and clang::TargetInfo::validateOutputConstraint().

◆ setEarlyClobber()

void clang::TargetInfo::ConstraintInfo::setEarlyClobber ( )
inline

Definition at line 1191 of file TargetInfo.h.

References CI_EarlyClobber, and Flags.

Referenced by clang::TargetInfo::validateOutputConstraint().

◆ setHasMatchingInput()

void clang::TargetInfo::ConstraintInfo::setHasMatchingInput ( )
inline

Definition at line 1194 of file TargetInfo.h.

References CI_HasMatchingInput, and Flags.

Referenced by setTiedOperand().

◆ setIsReadWrite()

void clang::TargetInfo::ConstraintInfo::setIsReadWrite ( )
inline

Definition at line 1190 of file TargetInfo.h.

References CI_ReadWrite, and Flags.

Referenced by clang::TargetInfo::validateOutputConstraint().

◆ setOutputOperandBounds()

void clang::TargetInfo::ConstraintInfo::setOutputOperandBounds ( unsigned Min,
unsigned Max )
inline

Definition at line 1231 of file TargetInfo.h.

References CI_OutputOperandBounds, Flags, ImmRange, Max, and Min.

Referenced by clang::targets::AArch64TargetInfo::validateAsmConstraint(), clang::targets::SystemZTargetInfo::validateAsmConstraint(), and clang::targets::X86TargetInfo::validateAsmConstraint().

◆ setRequiresImmediate() [1/4]

void clang::TargetInfo::ConstraintInfo::setRequiresImmediate ( )
inline

Definition at line 1209 of file TargetInfo.h.

References CI_ImmediateConstant, and Flags.

◆ setRequiresImmediate() [2/4]

void clang::TargetInfo::ConstraintInfo::setRequiresImmediate ( int Exact)
inline

Definition at line 1205 of file TargetInfo.h.

References CI_ImmediateConstant, Flags, and ImmSet.

◆ setRequiresImmediate() [3/4]

void clang::TargetInfo::ConstraintInfo::setRequiresImmediate ( int Min,
int Max )
inline

Definition at line 1195 of file TargetInfo.h.

References CI_ImmediateConstant, Flags, ImmRange, Max, and Min.

Referenced by clang::targets::AMDGPUTargetInfo::validateAsmConstraint(), clang::targets::ARMTargetInfo::validateAsmConstraint(), clang::targets::AVRTargetInfo::validateAsmConstraint(), clang::targets::LoongArchTargetInfo::validateAsmConstraint(), clang::targets::M68kTargetInfo::validateAsmConstraint(), clang::targets::RISCVTargetInfo::validateAsmConstraint(), clang::targets::X86TargetInfo::validateAsmConstraint(), and clang::TargetInfo::validateInputConstraint().

◆ setRequiresImmediate() [4/4]

void clang::TargetInfo::ConstraintInfo::setRequiresImmediate ( llvm::ArrayRef< int > Exacts)
inline

Definition at line 1201 of file TargetInfo.h.

References CI_ImmediateConstant, Flags, and ImmSet.

◆ setTiedOperand()

void clang::TargetInfo::ConstraintInfo::setTiedOperand ( unsigned N,
ConstraintInfo & Output )
inline

Indicate that this is an input operand that is tied to the specified output operand.

Copy over the various constraint information from the output.

Definition at line 1217 of file TargetInfo.h.

References ConstraintInfo(), Flags, setHasMatchingInput(), and TiedOperand.

Referenced by clang::TargetInfo::validateInputConstraint().

Member Data Documentation

◆ ConstraintStr

std::string clang::TargetInfo::ConstraintInfo::ConstraintStr

Definition at line 1148 of file TargetInfo.h.

Referenced by ConstraintInfo(), getConstraintStr(), clang::targets::X86TargetInfo::validateAsmConstraint(), and clang::TargetInfo::validateInputConstraint().

◆ Flags

unsigned clang::TargetInfo::ConstraintInfo::Flags

Definition at line 1139 of file TargetInfo.h.

Referenced by allowsMemory(), allowsRegister(), ConstraintInfo(), earlyClobber(), getOutputOperandBounds(), hasMatchingInput(), isReadWrite(), requiresImmediateConstant(), setAllowsMemory(), setAllowsRegister(), setEarlyClobber(), setHasMatchingInput(), setIsReadWrite(), setOutputOperandBounds(), setRequiresImmediate(), setRequiresImmediate(), setRequiresImmediate(), setRequiresImmediate(), and setTiedOperand().

◆ [struct]

struct { ... } clang::TargetInfo::ConstraintInfo::ImmRange

Referenced by ConstraintInfo(), getOutputOperandBounds(), isValidAsmImmediate(), setOutputOperandBounds(), and setRequiresImmediate().

◆ ImmSet

llvm::SmallSet<int, 4> clang::TargetInfo::ConstraintInfo::ImmSet

Definition at line 1146 of file TargetInfo.h.

Referenced by isValidAsmImmediate(), setRequiresImmediate(), and setRequiresImmediate().

◆ isConstrained

bool clang::TargetInfo::ConstraintInfo::isConstrained

Definition at line 1144 of file TargetInfo.h.

◆ Max

int clang::TargetInfo::ConstraintInfo::Max

Definition at line 1143 of file TargetInfo.h.

Referenced by setOutputOperandBounds(), and setRequiresImmediate().

◆ Min

int clang::TargetInfo::ConstraintInfo::Min

Definition at line 1142 of file TargetInfo.h.

Referenced by setOutputOperandBounds(), and setRequiresImmediate().

◆ Name

std::string clang::TargetInfo::ConstraintInfo::Name

Definition at line 1149 of file TargetInfo.h.

Referenced by ConstraintInfo(), and getName().

◆ TiedOperand

int clang::TargetInfo::ConstraintInfo::TiedOperand

Definition at line 1140 of file TargetInfo.h.

Referenced by ConstraintInfo(), getTiedOperand(), hasTiedOperand(), and setTiedOperand().

The documentation for this struct was generated from the following file:
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