LLVM 20.0.0git
AMDGPUFrameLowering.h
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1//===--------------------- AMDGPUFrameLowering.h ----------------*- 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/// \file
10/// Interface to describe a layout of a stack frame on an AMDGPU target.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H
15#define LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H
16
18
19namespace llvm {
20
21/// Information about the stack frame layout on the AMDGPU targets.
22///
23/// It holds the direction of the stack growth, the known stack alignment on
24/// entry to each function, and the offset to the locals area.
25/// See TargetFrameInfo for more comments.
27public:
28 AMDGPUFrameLowering(StackDirection D, Align StackAl, int LAO,
29 Align TransAl = Align(1));
31
32 /// \returns The number of 32-bit sub-registers that are used when storing
33 /// values to the stack.
34 unsigned getStackWidth(const MachineFunction &MF) const;
35};
36
37} // end namespace llvm
38
39#endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H
static GCRegistry::Add< StatepointGC > D("statepoint-example", "an example strategy for statepoint")
Information about the stack frame layout on the AMDGPU targets.
unsigned getStackWidth(const MachineFunction &MF) const
Information about stack frame layout on the target.
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