6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
//===---------------- AMDGPUAddrSpace.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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/// AMDGPU address space definition
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///
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_AMDGPUADDRSPACE_H
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#define LLVM_SUPPORT_AMDGPUADDRSPACE_H
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namespace llvm {
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/// OpenCL uses address spaces to differentiate between
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/// various memory regions on the hardware. On the CPU
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/// all of the address spaces point to the same memory,
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/// however on the GPU, each address space points to
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/// a separate piece of memory that is unique from other
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/// memory locations.
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namespace AMDGPUAS {
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enum : unsigned {
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// The maximum value for flat, generic, local, private, constant and region.
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MAX_AMDGPU_ADDRESS = 9,
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FLAT_ADDRESS = 0, ///< Address space for flat memory.
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GLOBAL_ADDRESS = 1, ///< Address space for global memory (RAT0, VTX0).
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REGION_ADDRESS = 2, ///< Address space for region memory. (GDS)
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CONSTANT_ADDRESS = 4, ///< Address space for constant memory (VTX2).
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LOCAL_ADDRESS = 3, ///< Address space for local memory.
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PRIVATE_ADDRESS = 5, ///< Address space for private memory.
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CONSTANT_ADDRESS_32BIT = 6, ///< Address space for 32-bit constant memory.
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BUFFER_FAT_POINTER = 7, ///< Address space for 160-bit buffer fat pointers.
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///< Not used in backend.
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BUFFER_RESOURCE = 8, ///< Address space for 128-bit buffer resources.
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BUFFER_STRIDED_POINTER = 9, ///< Address space for 192-bit fat buffer
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///< pointers with an additional index.
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/// Internal address spaces. Can be freely renumbered.
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STREAMOUT_REGISTER = 128, ///< Address space for GS NGG Streamout registers.
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/// end Internal address spaces.
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/// Address space for direct addressable parameter memory (CONST0).
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PARAM_D_ADDRESS = 6,
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/// Address space for indirect addressable parameter memory (VTX1).
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PARAM_I_ADDRESS = 7,
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// Do not re-order the CONSTANT_BUFFER_* enums. Several places depend on
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// this order to be able to dynamically index a constant buffer, for
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// example:
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//
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// ConstantBufferAS = CONSTANT_BUFFER_0 + CBIdx
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CONSTANT_BUFFER_0 = 8,
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CONSTANT_BUFFER_1 = 9,
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CONSTANT_BUFFER_2 = 10,
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CONSTANT_BUFFER_3 = 11,
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CONSTANT_BUFFER_4 = 12,
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CONSTANT_BUFFER_5 = 13,
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CONSTANT_BUFFER_6 = 14,
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CONSTANT_BUFFER_7 = 15,
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CONSTANT_BUFFER_8 = 16,
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CONSTANT_BUFFER_9 = 17,
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CONSTANT_BUFFER_10 = 18,
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CONSTANT_BUFFER_11 = 19,
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CONSTANT_BUFFER_12 = 20,
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CONSTANT_BUFFER_13 = 21,
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CONSTANT_BUFFER_14 = 22,
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CONSTANT_BUFFER_15 = 23,
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// Some places use this if the address space can't be determined.
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UNKNOWN_ADDRESS_SPACE = ~0u,
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};
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} // end namespace AMDGPUAS
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} // end namespace llvm
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#endif // LLVM_SUPPORT_AMDGPUADDRSPACE_H
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