clang 20.0.0git
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
}
 

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.
 

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 1093 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 

Definition at line 1094 of file TargetInfo.h.

Constructor & Destructor Documentation

◆ ConstraintInfo()

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

Definition at line 1115 of file TargetInfo.h.

Member Function Documentation

◆ allowsMemory()

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

Definition at line 1127 of file TargetInfo.h.

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

◆ allowsRegister()

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

Definition at line 1126 of file TargetInfo.h.

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

◆ earlyClobber()

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

Definition at line 1125 of file TargetInfo.h.

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

◆ getConstraintStr()

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

Definition at line 1122 of file TargetInfo.h.

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

◆ getName()

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

Definition at line 1123 of file TargetInfo.h.

◆ getTiedOperand()

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

Definition at line 1139 of file TargetInfo.h.

Referenced by clang::Sema::ActOnGCCAsmStmt(), 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 1131 of file TargetInfo.h.

◆ 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 1138 of file TargetInfo.h.

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

◆ isReadWrite()

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

Definition at line 1124 of file TargetInfo.h.

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

◆ isValidAsmImmediate()

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

Definition at line 1147 of file TargetInfo.h.

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

◆ requiresImmediateConstant()

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

Definition at line 1144 of file TargetInfo.h.

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

◆ setAllowsMemory()

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

Definition at line 1156 of file TargetInfo.h.

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 1157 of file TargetInfo.h.

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 1155 of file TargetInfo.h.

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

◆ setHasMatchingInput()

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

Definition at line 1158 of file TargetInfo.h.

Referenced by setTiedOperand().

◆ setIsReadWrite()

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

Definition at line 1154 of file TargetInfo.h.

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

◆ setRequiresImmediate() [1/4]

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

Definition at line 1174 of file TargetInfo.h.

◆ setRequiresImmediate() [2/4]

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

Definition at line 1170 of file TargetInfo.h.

◆ setRequiresImmediate() [3/4]

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

Definition at line 1159 of file TargetInfo.h.

References clang::Max, and clang::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 1165 of file TargetInfo.h.

◆ 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 1182 of file TargetInfo.h.

References Flags, and setHasMatchingInput().

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

Member Data Documentation

◆ ConstraintStr

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

Definition at line 1112 of file TargetInfo.h.

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

◆ Flags

unsigned clang::TargetInfo::ConstraintInfo::Flags

Definition at line 1103 of file TargetInfo.h.

Referenced by setTiedOperand().

◆ 

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

◆ ImmSet

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

Definition at line 1110 of file TargetInfo.h.

◆ isConstrained

bool clang::TargetInfo::ConstraintInfo::isConstrained

Definition at line 1108 of file TargetInfo.h.

◆ Max

int clang::TargetInfo::ConstraintInfo::Max

Definition at line 1107 of file TargetInfo.h.

◆ Min

int clang::TargetInfo::ConstraintInfo::Min

Definition at line 1106 of file TargetInfo.h.

◆ Name

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

Definition at line 1113 of file TargetInfo.h.

◆ TiedOperand

int clang::TargetInfo::ConstraintInfo::TiedOperand

Definition at line 1104 of file TargetInfo.h.

The documentation for this struct was generated from the following file:
Generated on Thu Jul 10 2025 10:37:21 for clang by doxygen 1.9.6