llvm::ValueLatticeElement::MergeOptions Struct Reference

Struct to control some aspects related to merging constant ranges. More...

#include "llvm/Analysis/ValueLattice.h"

Public Member Functions
	MergeOptions ()
	MergeOptions (bool MayIncludeUndef, bool CheckWiden, unsigned MaxWidenSteps=1)
MergeOptions &	setMayIncludeUndef (bool V=true)
MergeOptions &	setCheckWiden (bool V=true)
MergeOptions &	setMaxWidenSteps (unsigned Steps=1)

Public Attributes
bool	MayIncludeUndef
	The merge value may include undef.
bool	CheckWiden
	Handle repeatedly extending a range by going to overdefined after a number of steps.
unsigned	MaxWidenSteps
	The number of allowed widening steps (including setting the range initially).

Detailed Description

Struct to control some aspects related to merging constant ranges.

Definition at line 108 of file ValueLattice.h.

Constructor & Destructor Documentation

MergeOptions() [1/2]

llvm::ValueLatticeElement::MergeOptions::MergeOptions ( )

inline

Definition at line 120 of file ValueLattice.h.

MergeOptions() [2/2]

llvm::ValueLatticeElement::MergeOptions::MergeOptions ( bool  MayIncludeUndef, bool  CheckWiden, unsigned  MaxWidenSteps = 1  )

inline

Definition at line 122 of file ValueLattice.h.

Member Function Documentation

setCheckWiden()

MergeOptions & llvm::ValueLatticeElement::MergeOptions::setCheckWiden ( bool  V = true )

inline

Definition at line 132 of file ValueLattice.h.

References CheckWiden.

setMaxWidenSteps()

MergeOptions & llvm::ValueLatticeElement::MergeOptions::setMaxWidenSteps ( unsigned  Steps = 1 )

inline

Definition at line 137 of file ValueLattice.h.

References CheckWiden, and MaxWidenSteps.

Referenced by getMaxWidenStepsOpts().

setMayIncludeUndef()

MergeOptions & llvm::ValueLatticeElement::MergeOptions::setMayIncludeUndef ( bool  V = true )

inline

Definition at line 127 of file ValueLattice.h.

References MayIncludeUndef.

Member Data Documentation

CheckWiden

bool llvm::ValueLatticeElement::MergeOptions::CheckWiden

Handle repeatedly extending a range by going to overdefined after a number of steps.

Definition at line 114 of file ValueLattice.h.

Referenced by setCheckWiden(), and setMaxWidenSteps().

MaxWidenSteps

unsigned llvm::ValueLatticeElement::MergeOptions::MaxWidenSteps

The number of allowed widening steps (including setting the range initially).

Definition at line 118 of file ValueLattice.h.

Referenced by setMaxWidenSteps().

MayIncludeUndef

bool llvm::ValueLatticeElement::MergeOptions::MayIncludeUndef

The merge value may include undef.

Definition at line 110 of file ValueLattice.h.

Referenced by setMayIncludeUndef().

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

• include/llvm/Analysis/ValueLattice.h