1//===-- AMDGPU.h - MachineFunction passes hw codegen --------------*- C++ -*-=//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8/// \file
9//===----------------------------------------------------------------------===//
10
11#ifndef AMDGPU_H
12#define AMDGPU_H
13
14#include "llvm/Support/TargetRegistry.h"
15#include "llvm/Target/TargetMachine.h"
16
17namespace llvm {
18
19class AMDGPUInstrPrinter;
20class AMDGPUTargetMachine;
21class FunctionPass;
22class MCAsmInfo;
23class raw_ostream;
24class Target;
25class TargetMachine;
26
27// R600 Passes
28FunctionPass *createR600VectorRegMerger(TargetMachine &tm);
29FunctionPass *createR600TextureIntrinsicsReplacer();
30FunctionPass *createR600ExpandSpecialInstrsPass(TargetMachine &tm);
31FunctionPass *createR600EmitClauseMarkers(TargetMachine &tm);
32FunctionPass *createR600ClauseMergePass(TargetMachine &tm);
33FunctionPass *createR600Packetizer(TargetMachine &tm);
34FunctionPass *createR600ControlFlowFinalizer(TargetMachine &tm);
35FunctionPass *createAMDGPUCFGStructurizerPass(TargetMachine &tm);
36
37// SI Passes
38FunctionPass *createSITypeRewriter();
39FunctionPass *createSIAnnotateControlFlowPass();
40FunctionPass *createSILowerControlFlowPass(TargetMachine &tm);
41FunctionPass *createSIFixSGPRCopiesPass(TargetMachine &tm);
42FunctionPass *createSICodeEmitterPass(formatted_raw_ostream &OS);
43FunctionPass *createSIInsertWaits(TargetMachine &tm);
44
45// Passes common to R600 and SI
46Pass *createAMDGPUStructurizeCFGPass();
47FunctionPass *createAMDGPUConvertToISAPass(TargetMachine &tm);
48FunctionPass *createAMDGPUISelDag(TargetMachine &tm);
49
50/// \brief Creates an AMDGPU-specific Target Transformation Info pass.
51ImmutablePass *
52createAMDGPUTargetTransformInfoPass(const AMDGPUTargetMachine *TM);
53
54extern Target TheAMDGPUTarget;
55
56} // End namespace llvm
57
58namespace ShaderType {
59  enum Type {
60    PIXEL = 0,
61    VERTEX = 1,
62    GEOMETRY = 2,
63    COMPUTE = 3
64  };
65}
66
67/// OpenCL uses address spaces to differentiate between
68/// various memory regions on the hardware. On the CPU
69/// all of the address spaces point to the same memory,
70/// however on the GPU, each address space points to
71/// a seperate piece of memory that is unique from other
72/// memory locations.
73namespace AMDGPUAS {
74enum AddressSpaces {
75  PRIVATE_ADDRESS  = 0, ///< Address space for private memory.
76  GLOBAL_ADDRESS   = 1, ///< Address space for global memory (RAT0, VTX0).
77  CONSTANT_ADDRESS = 2, ///< Address space for constant memory
78  LOCAL_ADDRESS    = 3, ///< Address space for local memory.
79  REGION_ADDRESS   = 4, ///< Address space for region memory.
80  ADDRESS_NONE     = 5, ///< Address space for unknown memory.
81  PARAM_D_ADDRESS  = 6, ///< Address space for direct addressible parameter memory (CONST0)
82  PARAM_I_ADDRESS  = 7, ///< Address space for indirect addressible parameter memory (VTX1)
83
84  // Do not re-order the CONSTANT_BUFFER_* enums.  Several places depend on this
85  // order to be able to dynamically index a constant buffer, for example:
86  //
87  // ConstantBufferAS = CONSTANT_BUFFER_0 + CBIdx
88
89  CONSTANT_BUFFER_0 = 8,
90  CONSTANT_BUFFER_1 = 9,
91  CONSTANT_BUFFER_2 = 10,
92  CONSTANT_BUFFER_3 = 11,
93  CONSTANT_BUFFER_4 = 12,
94  CONSTANT_BUFFER_5 = 13,
95  CONSTANT_BUFFER_6 = 14,
96  CONSTANT_BUFFER_7 = 15,
97  CONSTANT_BUFFER_8 = 16,
98  CONSTANT_BUFFER_9 = 17,
99  CONSTANT_BUFFER_10 = 18,
100  CONSTANT_BUFFER_11 = 19,
101  CONSTANT_BUFFER_12 = 20,
102  CONSTANT_BUFFER_13 = 21,
103  CONSTANT_BUFFER_14 = 22,
104  CONSTANT_BUFFER_15 = 23,
105  LAST_ADDRESS     = 24
106};
107
108} // namespace AMDGPUAS
109
110#endif // AMDGPU_H
111