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