LLVM: llvm::PatchPointOpers Class Reference

LLVM API Documentation

MI-level patchpoint operands. More...

#include <StackMaps.h>

List of all members.

Public Types
enum	{ IDPos, NBytesPos, TargetPos, NArgPos, CCPos, MetaEnd }
	Enumerate the meta operands. More...
Public Member Functions
	PatchPointOpers (const MachineInstr *MI)
bool	isAnyReg () const
bool	hasDef () const
unsigned	getMetaIdx (unsigned Pos=0) const
const MachineOperand &	getMetaOper (unsigned Pos)
unsigned	getArgIdx () const
unsigned	getVarIdx () const
unsigned	getStackMapStartIdx () const
unsigned	getNextScratchIdx (unsigned StartIdx=0) const
	Get the next scratch register operand index.

Detailed Description

MI-level patchpoint operands.

MI patchpoint operations take the form: [<def>], <id>, <numBytes>, <target>, <numArgs>, <cc>, ...

IR patchpoint intrinsics do not have the <cc> operand because calling convention is part of the subclass data.

SD patchpoint nodes do not have a def operand because it is part of the SDValue.

Patchpoints following the anyregcc convention are handled specially. For these, the stack map also records the location of the return value and arguments.

Definition at line 40 of file StackMaps.h.

Member Enumeration Documentation

anonymous enum

Enumerate the meta operands.

Enumerator:

IDPos
NBytesPos
TargetPos
NArgPos
CCPos
MetaEnd

Definition at line 43 of file StackMaps.h.

Constructor & Destructor Documentation

PatchPointOpers::PatchPointOpers ( const MachineInstr * MI ) [explicit]

Definition at line 39 of file StackMaps.cpp.

References getMetaIdx(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isImplicit(), and isReg().

Member Function Documentation

unsigned llvm::PatchPointOpers::getArgIdx ( ) const [inline]

Definition at line 63 of file StackMaps.h.

References getMetaIdx(), and MetaEnd.

Referenced by getStackMapStartIdx().

unsigned llvm::PatchPointOpers::getMetaIdx ( unsigned Pos = 0 ) const [inline]

Definition at line 54 of file StackMaps.h.

References MetaEnd.

Referenced by getArgIdx(), getMetaOper(), getVarIdx(), and PatchPointOpers().

const MachineOperand& llvm::PatchPointOpers::getMetaOper ( unsigned Pos ) [inline]

Definition at line 59 of file StackMaps.h.

References getMetaIdx(), and llvm::MachineInstr::getOperand().

unsigned PatchPointOpers::getNextScratchIdx ( unsigned StartIdx = 0 ) const

Get the next scratch register operand index.

Definition at line 57 of file StackMaps.cpp.

References llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), getVarIdx(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isEarlyClobber(), llvm::MachineOperand::isImplicit(), and llvm::MachineOperand::isReg().

unsigned llvm::PatchPointOpers::getStackMapStartIdx ( ) const [inline]

Get the index at which stack map locations will be recorded. Arguments are not recorded unless the anyregcc convention is used.

Definition at line 74 of file StackMaps.h.

References getArgIdx(), and getVarIdx().

unsigned llvm::PatchPointOpers::getVarIdx ( ) const [inline]

Get the operand index of the variable list of non-argument operands. These hold the "live state".

Definition at line 67 of file StackMaps.h.

References llvm::MachineOperand::getImm(), getMetaIdx(), llvm::MachineInstr::getOperand(), MetaEnd, and NArgPos.

Referenced by foldPatchpoint(), getNextScratchIdx(), and getStackMapStartIdx().

bool llvm::PatchPointOpers::hasDef ( ) const [inline]

Definition at line 52 of file StackMaps.h.

bool llvm::PatchPointOpers::isAnyReg ( ) const [inline]

Definition at line 51 of file StackMaps.h.

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