clang  8.0.0svn
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::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. 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
 
ImmRange
 
llvm::SmallSet< int, 4 > ImmSet
 
std::string ConstraintStr
 
std::string Name
 

Detailed Description

Definition at line 791 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 792 of file TargetInfo.h.

Constructor & Destructor Documentation

◆ ConstraintInfo()

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

Definition at line 812 of file TargetInfo.h.

Member Function Documentation

◆ allowsMemory()

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

Definition at line 823 of file TargetInfo.h.

Referenced by AddVariableConstraints().

◆ allowsRegister()

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

Definition at line 822 of file TargetInfo.h.

Referenced by AddVariableConstraints().

◆ earlyClobber()

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

Definition at line 821 of file TargetInfo.h.

◆ getConstraintStr()

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

Definition at line 818 of file TargetInfo.h.

◆ getName()

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

Definition at line 819 of file TargetInfo.h.

◆ getTiedOperand()

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

Definition at line 835 of file TargetInfo.h.

◆ hasMatchingInput()

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

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

Definition at line 827 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 834 of file TargetInfo.h.

◆ isReadWrite()

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

Definition at line 820 of file TargetInfo.h.

◆ isValidAsmImmediate()

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

Definition at line 843 of file TargetInfo.h.

◆ requiresImmediateConstant()

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

Definition at line 840 of file TargetInfo.h.

Referenced by AddVariableConstraints().

◆ setAllowsMemory()

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

◆ setAllowsRegister()

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

◆ setEarlyClobber()

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

Definition at line 849 of file TargetInfo.h.

◆ setHasMatchingInput()

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

Definition at line 852 of file TargetInfo.h.

Referenced by setTiedOperand().

◆ setIsReadWrite()

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

Definition at line 848 of file TargetInfo.h.

◆ setRequiresImmediate() [1/4]

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

Definition at line 853 of file TargetInfo.h.

◆ setRequiresImmediate() [2/4]

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

Definition at line 858 of file TargetInfo.h.

◆ setRequiresImmediate() [3/4]

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

Definition at line 863 of file TargetInfo.h.

◆ setRequiresImmediate() [4/4]

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

Definition at line 867 of file TargetInfo.h.

References INT_MAX, and INT_MIN.

◆ 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 877 of file TargetInfo.h.

References Flags, and setHasMatchingInput().

Member Data Documentation

◆ ConstraintStr

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

Definition at line 809 of file TargetInfo.h.

◆ Flags

unsigned clang::TargetInfo::ConstraintInfo::Flags

Definition at line 801 of file TargetInfo.h.

Referenced by setTiedOperand().

◆ ImmRange

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

◆ ImmSet

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

Definition at line 807 of file TargetInfo.h.

◆ Max

int clang::TargetInfo::ConstraintInfo::Max

Definition at line 805 of file TargetInfo.h.

◆ Min

int clang::TargetInfo::ConstraintInfo::Min

Definition at line 804 of file TargetInfo.h.

◆ Name

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

Definition at line 810 of file TargetInfo.h.

◆ TiedOperand

int clang::TargetInfo::ConstraintInfo::TiedOperand

Definition at line 802 of file TargetInfo.h.


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