LLVM 17.0.0git
X86SelectionDAGInfo.h
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1//===-- X86SelectionDAGInfo.h - X86 SelectionDAG Info -----------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines the X86 subclass for SelectionDAGTargetInfo.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
14#define LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
15
17
18namespace llvm {
19
21 /// Returns true if it is possible for the base register to conflict with the
22 /// given set of clobbers for a memory intrinsic.
23 bool isBaseRegConflictPossible(SelectionDAG &DAG,
24 ArrayRef<MCPhysReg> ClobberSet) const;
25
26public:
27 explicit X86SelectionDAGInfo() = default;
28
30 SDValue Chain, SDValue Dst, SDValue Src,
31 SDValue Size, Align Alignment,
32 bool isVolatile, bool AlwaysInline,
33 MachinePointerInfo DstPtrInfo) const override;
34
36 SDValue Chain, SDValue Dst, SDValue Src,
37 SDValue Size, Align Alignment,
38 bool isVolatile, bool AlwaysInline,
39 MachinePointerInfo DstPtrInfo,
40 MachinePointerInfo SrcPtrInfo) const override;
41};
42
43}
44
45#endif
uint64_t Size
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Definition: ArrayRef.h:41
Wrapper class for IR location info (IR ordering and DebugLoc) to be passed into SDNode creation funct...
Unlike LLVM values, Selection DAG nodes may return multiple values as the result of a computation.
Targets can subclass this to parameterize the SelectionDAG lowering and instruction selection process...
This is used to represent a portion of an LLVM function in a low-level Data Dependence DAG representa...
Definition: SelectionDAG.h:221
SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Dst, SDValue Src, SDValue Size, Align Alignment, bool isVolatile, bool AlwaysInline, MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo) const override
Emit target-specific code that performs a memcpy.
SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Dst, SDValue Src, SDValue Size, Align Alignment, bool isVolatile, bool AlwaysInline, MachinePointerInfo DstPtrInfo) const override
Emit target-specific code that performs a memset.
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
This struct is a compact representation of a valid (non-zero power of two) alignment.
Definition: Alignment.h:39
This class contains a discriminated union of information about pointers in memory operands,...