LLVM API Documentation

llvm::ConstantFPSDNode Class Reference

#include <SelectionDAGNodes.h>

Inheritance diagram for llvm::ConstantFPSDNode:

[legend]Collaboration diagram for llvm::ConstantFPSDNode:

[legend]List of all members.

Public Member Functions
double	getValue () const
bool	isExactlyValue (double V) const
Static Public Member Functions
static bool	classof (const ConstantFPSDNode *)
static bool	classof (const SDNode *N)
Protected Member Functions
	ConstantFPSDNode (bool isTarget, double val, MVT::ValueType VT)
Friends
class	SelectionDAG

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Detailed Description

Definition at line 1125 of file SelectionDAGNodes.h.

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Constructor & Destructor Documentation

llvm::ConstantFPSDNode::ConstantFPSDNode	(	bool	isTarget,
		double	val,
		MVT::ValueType	VT
	)			[inline, protected]

Definition at line 1129 of file SelectionDAGNodes.h.

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Member Function Documentation

double llvm::ConstantFPSDNode::getValue

(

)

const [inline]

Definition at line 1135 of file SelectionDAGNodes.h.

Referenced by llvm::SelectionDAG::getNode().

bool ConstantFPSDNode::isExactlyValue

(

double

V

)

const

isExactlyValue - We don't rely on operator== working on double values, as it returns true for things that are clearly not equal, like -0.0 and 0.0. As such, this method can be used to do an exact bit-for-bit comparison of two floating point values.

Definition at line 65 of file SelectionDAG.cpp.

References llvm::DoubleToBits().

static bool llvm::ConstantFPSDNode::classof

(

const ConstantFPSDNode *

)

[inline, static]

Definition at line 1143 of file SelectionDAGNodes.h.

static bool llvm::ConstantFPSDNode::classof

(

const SDNode *

N

)

[inline, static]

Reimplemented from llvm::SDNode.

Definition at line 1144 of file SelectionDAGNodes.h.

References llvm::ISD::ConstantFP, llvm::SDNode::getOpcode(), and llvm::ISD::TargetConstantFP.

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Friends And Related Function Documentation

friend class SelectionDAG [friend]

Reimplemented from llvm::SDNode.

Definition at line 1128 of file SelectionDAGNodes.h.

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The documentation for this class was generated from the following files:

• SelectionDAGNodes.h
• SelectionDAG.cpp

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