FPEnv.h File Reference

This file contains the declarations of entities that describe floating point environment and related functions. More...

#include "llvm/ADT/FloatingPointMode.h"
#include "llvm/IR/FMF.h"
#include "llvm/Support/Compiler.h"
#include <optional>

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Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.
namespace	llvm::Intrinsic
	This namespace contains an enum with a value for every intrinsic/builtin function known by LLVM.
namespace	llvm::fp

Enumerations
enum	llvm::fp::ExceptionBehavior : uint8_t { llvm::fp::ebIgnore , llvm::fp::ebMayTrap , llvm::fp::ebStrict }
	Exception behavior used for floating point operations. More...

Functions
LLVM_ABI std::optional< RoundingMode >	llvm::convertStrToRoundingMode (StringRef)
	Returns a valid RoundingMode enumerator when given a string that is valid as input in constrained intrinsic rounding mode metadata.
LLVM_ABI std::optional< StringRef >	llvm::convertRoundingModeToStr (RoundingMode)
	For any RoundingMode enumerator, returns a string valid as input in constrained intrinsic rounding mode metadata.
LLVM_ABI std::optional< fp::ExceptionBehavior >	llvm::convertStrToExceptionBehavior (StringRef)
	Returns a valid ExceptionBehavior enumerator when given a string valid as input in constrained intrinsic exception behavior metadata.
LLVM_ABI std::optional< StringRef >	llvm::convertExceptionBehaviorToStr (fp::ExceptionBehavior)
	For any ExceptionBehavior enumerator, returns a string valid as input in constrained intrinsic exception behavior metadata.
bool	llvm::isDefaultFPEnvironment (fp::ExceptionBehavior EB, RoundingMode RM)
	Returns true if the exception handling behavior and rounding mode match what is used in the default floating point environment.
LLVM_ABI Intrinsic::ID	llvm::getConstrainedIntrinsicID (const Instruction &Instr)
	Returns constrained intrinsic id to represent the given instruction in strictfp function.
bool	llvm::canRoundingModeBe (RoundingMode RM, RoundingMode QRM)
	Returns true if the rounding mode RM may be QRM at compile time or at run time.
bool	llvm::canIgnoreSNaN (fp::ExceptionBehavior EB, FastMathFlags FMF)
	Returns true if the possibility of a signaling NaN can be safely ignored.

Detailed Description

This file contains the declarations of entities that describe floating point environment and related functions.

Definition in file FPEnv.h.