LOHInfo Struct Reference

State tracked per register. More...

Public Attributes
MCLOHType	Type: 8
	"Best" type of LOH possible.
unsigned	IsCandidate: 1
	Possible LOH candidate.
unsigned	OneUser: 1
	Found exactly one user (yet).
unsigned	MultiUsers: 1
	Found multiple users.
const MachineInstr *	MI0
	First instruction involved in the LOH.
const MachineInstr *	MI1
	Second instruction involved in the LOH (if any).
const MachineInstr *	LastADRP
	Last ADRP in same register.

Detailed Description

State tracked per register.

The main algorithm walks backwards over a basic block maintaining this datastructure for each tracked general purpose register.

Definition at line 283 of file AArch64CollectLOH.cpp.

Member Data Documentation

IsCandidate

unsigned LOHInfo::IsCandidate

Possible LOH candidate.

Definition at line 286 of file AArch64CollectLOH.cpp.

Referenced by handleMiddleInst().

LastADRP

const MachineInstr* LOHInfo::LastADRP

Last ADRP in same register.

Definition at line 294 of file AArch64CollectLOH.cpp.

Referenced by handleMiddleInst().

MI0

const MachineInstr* LOHInfo::MI0

First instruction involved in the LOH.

Definition at line 291 of file AArch64CollectLOH.cpp.

MI1

const MachineInstr* LOHInfo::MI1

Second instruction involved in the LOH (if any).

Definition at line 292 of file AArch64CollectLOH.cpp.

Referenced by handleMiddleInst().

MultiUsers

unsigned LOHInfo::MultiUsers

Found multiple users.

Definition at line 290 of file AArch64CollectLOH.cpp.

Referenced by handleADRP().

OneUser

unsigned LOHInfo::OneUser

Found exactly one user (yet).

Definition at line 288 of file AArch64CollectLOH.cpp.

Referenced by handleADRP(), and handleMiddleInst().

Type

MCLOHType LOHInfo::Type

"Best" type of LOH possible.

Definition at line 284 of file AArch64CollectLOH.cpp.

Referenced by handleMiddleInst().

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

• lib/Target/AArch64/AArch64CollectLOH.cpp