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2bcdb486dd
Summary: This is patch is part of a series to introduce an Alignment type. See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html See this patch for the introduction of the type: https://reviews.llvm.org/D64790 Reviewers: courbet Subscribers: arsenm, dschuff, jyknight, sdardis, jvesely, nhaehnle, sbc100, jgravelle-google, hiraditya, aheejin, fedor.sergeev, jrtc27, atanasyan, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D69216 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375398 91177308-0d34-0410-b5e6-96231b3b80d8
40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
//===--------------------- AMDGPUFrameLowering.h ----------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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/// \file
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/// Interface to describe a layout of a stack frame on an AMDGPU target.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H
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#define LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H
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#include "llvm/CodeGen/TargetFrameLowering.h"
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namespace llvm {
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/// Information about the stack frame layout on the AMDGPU targets.
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///
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/// It holds the direction of the stack growth, the known stack alignment on
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/// entry to each function, and the offset to the locals area.
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/// See TargetFrameInfo for more comments.
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class AMDGPUFrameLowering : public TargetFrameLowering {
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public:
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AMDGPUFrameLowering(StackDirection D, Align StackAl, int LAO,
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Align TransAl = Align::None());
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~AMDGPUFrameLowering() override;
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/// \returns The number of 32-bit sub-registers that are used when storing
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/// values to the stack.
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unsigned getStackWidth(const MachineFunction &MF) const;
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H
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