LLVM 19.0.0git
Classes | Namespaces | Enumerations | Functions
FloatingPointMode.h File Reference

Utilities for dealing with flags related to floating point properties and mode controls. More...

#include "llvm/ADT/BitmaskEnum.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/raw_ostream.h"

Go to the source code of this file.

Classes

struct  llvm::DenormalMode
 Represent subnormal handling kind for floating point instruction inputs and outputs. More...
 

Namespaces

namespace  llvm
 This is an optimization pass for GlobalISel generic memory operations.
 

Enumerations

enum class  llvm::RoundingMode : int8_t {
  llvm::TowardZero = 0 , llvm::NearestTiesToEven = 1 , llvm::TowardPositive = 2 , llvm::TowardNegative = 3 ,
  llvm::NearestTiesToAway = 4 , llvm::Dynamic = 7 , llvm::Invalid = -1
}
 Rounding mode. More...
 
enum  llvm::FPClassTest : unsigned {
  llvm::fcNone = 0 , llvm::fcSNan = 0x0001 , llvm::fcQNan = 0x0002 , llvm::fcNegInf = 0x0004 ,
  llvm::fcNegNormal = 0x0008 , llvm::fcNegSubnormal = 0x0010 , llvm::fcNegZero = 0x0020 , llvm::fcPosZero = 0x0040 ,
  llvm::fcPosSubnormal = 0x0080 , llvm::fcPosNormal = 0x0100 , llvm::fcPosInf = 0x0200 , llvm::fcNan = fcSNan | fcQNan ,
  llvm::fcInf = fcPosInf | fcNegInf , llvm::fcNormal = fcPosNormal | fcNegNormal , llvm::fcSubnormal = fcPosSubnormal | fcNegSubnormal , llvm::fcZero = fcPosZero | fcNegZero ,
  llvm::fcPosFinite = fcPosNormal | fcPosSubnormal | fcPosZero , llvm::fcNegFinite = fcNegNormal | fcNegSubnormal | fcNegZero , llvm::fcFinite = fcPosFinite | fcNegFinite , llvm::fcPositive = fcPosFinite | fcPosInf ,
  llvm::fcNegative = fcNegFinite | fcNegInf , llvm::fcAllFlags = fcNan | fcInf | fcFinite
}
 Floating-point class tests, supported by 'is_fpclass' intrinsic. More...
 

Functions

StringRef llvm::spell (RoundingMode RM)
 Returns text representation of the given rounding mode.
 
raw_ostream & llvm::operator<< (raw_ostream &OS, RoundingMode RM)
 
raw_ostream & llvm::operator<< (raw_ostream &OS, DenormalMode Mode)
 
DenormalMode::DenormalModeKind llvm::parseDenormalFPAttributeComponent (StringRef Str)
 Parse the expected names from the denormal-fp-math attribute.
 
StringRef llvm::denormalModeKindName (DenormalMode::DenormalModeKind Mode)
 Return the name used for the denormal handling mode used by the expected names from the denormal-fp-math attribute.
 
DenormalMode llvm::parseDenormalFPAttribute (StringRef Str)
 Returns the denormal mode to use for inputs and outputs.
 
 llvm::LLVM_DECLARE_ENUM_AS_BITMASK (FPClassTest, fcPosInf)
 
FPClassTest llvm::fneg (FPClassTest Mask)
 Return the test mask which returns true if the value's sign bit is flipped.
 
FPClassTest llvm::inverse_fabs (FPClassTest Mask)
 Return the test mask which returns true after fabs is applied to the value.
 
FPClassTest llvm::unknown_sign (FPClassTest Mask)
 Return the test mask which returns true if the value could have the same set of classes, but with a different sign.
 
raw_ostreamllvm::operator<< (raw_ostream &OS, FPClassTest Mask)
 Write a human readable form of Mask to OS.
 

Detailed Description

Utilities for dealing with flags related to floating point properties and mode controls.

Definition in file FloatingPointMode.h.