llvm::FunctionLoweringInfo::StatepointDirectLeaf Struct Reference

A directly-lowered statepoint value (see willLowerDirectly): a leaf that can be rebuilt at a gc.relocate in another block. More...

#include "llvm/CodeGen/FunctionLoweringInfo.h"

Public Types
enum	LeafKind { FrameIndex , Constant , Undef }

Public Member Functions
LLVM_ABI	StatepointDirectLeaf (SDValue V)
	Capture the leaf V, which must be a directly-lowered value.
LLVM_ABI SDValue	rematerialize (SelectionDAG &DAG, const SDLoc &DL, EVT VT) const
	Rebuild the captured leaf as a fresh SDValue of type VT.

Public Attributes
LeafKind	Kind
APInt	IntValue
int	FrameIndexValue

Detailed Description

A directly-lowered statepoint value (see willLowerDirectly): a leaf that can be rebuilt at a gc.relocate in another block.

Definition at line 105 of file FunctionLoweringInfo.h.

Member Enumeration Documentation

LeafKind

enum llvm::FunctionLoweringInfo::StatepointDirectLeaf::LeafKind

Enumerator
FrameIndex
Constant
Undef

Definition at line 106 of file FunctionLoweringInfo.h.

Constructor & Destructor Documentation

StatepointDirectLeaf()

FunctionLoweringInfo::StatepointDirectLeaf::StatepointDirectLeaf ( SDValue V )

explicit

Capture the leaf V, which must be a directly-lowered value.

Definition at line 267 of file StatepointLowering.cpp.

References assert(), llvm::cast(), Constant, llvm::dyn_cast(), FrameIndex, FrameIndexValue, IntValue, Kind, Undef, and willLowerDirectly().

Member Function Documentation

rematerialize()

SDValue FunctionLoweringInfo::StatepointDirectLeaf::rematerialize	(	SelectionDAG &	DAG,
		const SDLoc &	DL,
		EVT	VT ) const

Rebuild the captured leaf as a fresh SDValue of type VT.

Definition at line 280 of file StatepointLowering.cpp.

References Constant, DL, FrameIndex, FrameIndexValue, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getFrameIndex(), IntValue, Kind, llvm_unreachable, Undef, and UndefStackMapValue.

Member Data Documentation

FrameIndexValue

int llvm::FunctionLoweringInfo::StatepointDirectLeaf::FrameIndexValue

Definition at line 109 of file FunctionLoweringInfo.h.

Referenced by rematerialize(), and StatepointDirectLeaf().

IntValue

APInt llvm::FunctionLoweringInfo::StatepointDirectLeaf::IntValue

Definition at line 108 of file FunctionLoweringInfo.h.

Referenced by rematerialize(), and StatepointDirectLeaf().

Kind

LeafKind llvm::FunctionLoweringInfo::StatepointDirectLeaf::Kind

Definition at line 107 of file FunctionLoweringInfo.h.

Referenced by rematerialize(), and StatepointDirectLeaf().

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

• include/llvm/CodeGen/FunctionLoweringInfo.h
• lib/CodeGen/SelectionDAG/StatepointLowering.cpp