clang  14.0.0git
Public Types | Public Member Functions | Public Attributes | List of all members
clang::TargetInfo::ConstraintInfo Struct Reference

#include "clang/Basic/TargetInfo.h"

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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::stringgetConstraintStr () const
 
const std::stringgetName () 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. More...
 
bool hasTiedOperand () const
 Return true if this input operand is a matching constraint that ties it to an output operand. More...
 
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. More...
 

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 973 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 974 of file TargetInfo.h.

Constructor & Destructor Documentation

◆ ConstraintInfo()

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

Definition at line 995 of file TargetInfo.h.

References ImmRange.

Member Function Documentation

◆ allowsMemory()

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

Definition at line 1007 of file TargetInfo.h.

References CI_AllowsMemory, and Flags.

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

◆ allowsRegister()

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

Definition at line 1006 of file TargetInfo.h.

References CI_AllowsRegister, and Flags.

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

◆ earlyClobber()

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

Definition at line 1005 of file TargetInfo.h.

References CI_EarlyClobber, and Flags.

◆ getConstraintStr()

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

Definition at line 1002 of file TargetInfo.h.

References ConstraintStr.

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

◆ getName()

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

Definition at line 1003 of file TargetInfo.h.

References Name.

◆ getTiedOperand()

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

Definition at line 1019 of file TargetInfo.h.

References hasTiedOperand(), and TiedOperand.

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

◆ hasMatchingInput()

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

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

Definition at line 1011 of file TargetInfo.h.

References CI_HasMatchingInput, and Flags.

◆ 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 1018 of file TargetInfo.h.

References TiedOperand.

Referenced by clang::Sema::ActOnGCCAsmStmt(), and getTiedOperand().

◆ isReadWrite()

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

Definition at line 1004 of file TargetInfo.h.

References CI_ReadWrite, and Flags.

◆ isValidAsmImmediate()

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

Definition at line 1027 of file TargetInfo.h.

References ImmRange, and ImmSet.

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

◆ requiresImmediateConstant()

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

Definition at line 1024 of file TargetInfo.h.

References CI_ImmediateConstant, and Flags.

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

◆ setAllowsMemory()

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

Definition at line 1036 of file TargetInfo.h.

References CI_AllowsMemory, and Flags.

◆ setAllowsRegister()

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

Definition at line 1037 of file TargetInfo.h.

References CI_AllowsRegister, and Flags.

◆ setEarlyClobber()

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

Definition at line 1035 of file TargetInfo.h.

References CI_EarlyClobber, and Flags.

◆ setHasMatchingInput()

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

Definition at line 1038 of file TargetInfo.h.

References CI_HasMatchingInput, and Flags.

Referenced by setTiedOperand().

◆ setIsReadWrite()

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

Definition at line 1034 of file TargetInfo.h.

References CI_ReadWrite, and Flags.

◆ setRequiresImmediate() [1/4]

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

Definition at line 1054 of file TargetInfo.h.

References CI_ImmediateConstant, and Flags.

◆ setRequiresImmediate() [2/4]

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

Definition at line 1050 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 1039 of file TargetInfo.h.

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

◆ setRequiresImmediate() [4/4]

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

Definition at line 1045 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 1062 of file TargetInfo.h.

References Flags, setHasMatchingInput(), and TiedOperand.

Member Data Documentation

◆ ConstraintStr

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

Definition at line 992 of file TargetInfo.h.

Referenced by getConstraintStr().

◆ Flags

unsigned clang::TargetInfo::ConstraintInfo::Flags

◆ ImmRange

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

◆ ImmSet

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

Definition at line 990 of file TargetInfo.h.

Referenced by isValidAsmImmediate(), and setRequiresImmediate().

◆ isConstrained

bool clang::TargetInfo::ConstraintInfo::isConstrained

Definition at line 988 of file TargetInfo.h.

◆ Max

int clang::TargetInfo::ConstraintInfo::Max

Definition at line 987 of file TargetInfo.h.

Referenced by setRequiresImmediate().

◆ Min

int clang::TargetInfo::ConstraintInfo::Min

Definition at line 986 of file TargetInfo.h.

Referenced by setRequiresImmediate().

◆ Name

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

Definition at line 993 of file TargetInfo.h.

Referenced by getName().

◆ TiedOperand

int clang::TargetInfo::ConstraintInfo::TiedOperand

Definition at line 984 of file TargetInfo.h.

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


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