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 LLVM_LIB_TARGET_R600_AMDGPU_H
12 #define LLVM_LIB_TARGET_R600_AMDGPU_H
13 
14 #include "llvm/Support/TargetRegistry.h"
15 #include "llvm/Target/TargetMachine.h"
16 
17 namespace llvm {
18 
19 class AMDGPUInstrPrinter;
20 class AMDGPUSubtarget;
21 class AMDGPUTargetMachine;
22 class FunctionPass;
23 class MCAsmInfo;
24 class raw_ostream;
25 class Target;
26 class TargetMachine;
27 
28 // R600 Passes
29 FunctionPass *createR600VectorRegMerger(TargetMachine &tm);
30 FunctionPass *createR600TextureIntrinsicsReplacer();
31 FunctionPass *createR600ExpandSpecialInstrsPass(TargetMachine &tm);
32 FunctionPass *createR600EmitClauseMarkers();
33 FunctionPass *createR600ClauseMergePass(TargetMachine &tm);
34 FunctionPass *createR600Packetizer(TargetMachine &tm);
35 FunctionPass *createR600ControlFlowFinalizer(TargetMachine &tm);
36 FunctionPass *createAMDGPUCFGStructurizerPass();
37 
38 // SI Passes
39 FunctionPass *createSITypeRewriter();
40 FunctionPass *createSIAnnotateControlFlowPass();
41 FunctionPass *createSIFoldOperandsPass();
42 FunctionPass *createSILowerI1CopiesPass();
43 FunctionPass *createSIShrinkInstructionsPass();
44 FunctionPass *createSILoadStoreOptimizerPass(TargetMachine &tm);
45 FunctionPass *createSILowerControlFlowPass(TargetMachine &tm);
46 FunctionPass *createSIFixControlFlowLiveIntervalsPass();
47 FunctionPass *createSIFixSGPRCopiesPass();
48 FunctionPass *createSIFixSGPRLiveRangesPass();
49 FunctionPass *createSICodeEmitterPass(formatted_raw_ostream &OS);
50 FunctionPass *createSIInsertWaits(TargetMachine &tm);
51 
52 ModulePass *createAMDGPUAnnotateKernelFeaturesPass();
53 void initializeAMDGPUAnnotateKernelFeaturesPass(PassRegistry &);
54 extern char &AMDGPUAnnotateKernelFeaturesID;
55 
56 void initializeSIFoldOperandsPass(PassRegistry &);
57 extern char &SIFoldOperandsID;
58 
59 void initializeSIFixSGPRCopiesPass(PassRegistry &);
60 extern char &SIFixSGPRCopiesID;
61 
62 void initializeSILowerI1CopiesPass(PassRegistry &);
63 extern char &SILowerI1CopiesID;
64 
65 void initializeSILoadStoreOptimizerPass(PassRegistry &);
66 extern char &SILoadStoreOptimizerID;
67 
68 // Passes common to R600 and SI
69 FunctionPass *createAMDGPUPromoteAlloca(const AMDGPUSubtarget &ST);
70 Pass *createAMDGPUStructurizeCFGPass();
71 FunctionPass *createAMDGPUISelDag(TargetMachine &tm);
72 ModulePass *createAMDGPUAlwaysInlinePass();
73 ModulePass *createAMDGPUOpenCLImageTypeLoweringPass();
74 FunctionPass *createAMDGPUAnnotateUniformValues();
75 
76 void initializeSIFixControlFlowLiveIntervalsPass(PassRegistry&);
77 extern char &SIFixControlFlowLiveIntervalsID;
78 
79 void initializeSIFixSGPRLiveRangesPass(PassRegistry&);
80 extern char &SIFixSGPRLiveRangesID;
81 
82 void initializeAMDGPUAnnotateUniformValuesPass(PassRegistry&);
83 extern char &AMDGPUAnnotateUniformValuesPassID;
84 
85 extern Target TheAMDGPUTarget;
86 extern Target TheGCNTarget;
87 
88 namespace AMDGPU {
89 enum TargetIndex {
90   TI_CONSTDATA_START,
91   TI_SCRATCH_RSRC_DWORD0,
92   TI_SCRATCH_RSRC_DWORD1,
93   TI_SCRATCH_RSRC_DWORD2,
94   TI_SCRATCH_RSRC_DWORD3
95 };
96 }
97 
98 } // End namespace llvm
99 
100 namespace ShaderType {
101   enum Type {
102     PIXEL = 0,
103     VERTEX = 1,
104     GEOMETRY = 2,
105     COMPUTE = 3
106   };
107 }
108 
109 /// OpenCL uses address spaces to differentiate between
110 /// various memory regions on the hardware. On the CPU
111 /// all of the address spaces point to the same memory,
112 /// however on the GPU, each address space points to
113 /// a separate piece of memory that is unique from other
114 /// memory locations.
115 namespace AMDGPUAS {
116 enum AddressSpaces : unsigned {
117   PRIVATE_ADDRESS  = 0, ///< Address space for private memory.
118   GLOBAL_ADDRESS   = 1, ///< Address space for global memory (RAT0, VTX0).
119   CONSTANT_ADDRESS = 2, ///< Address space for constant memory
120   LOCAL_ADDRESS    = 3, ///< Address space for local memory.
121   FLAT_ADDRESS     = 4, ///< Address space for flat memory.
122   REGION_ADDRESS   = 5, ///< Address space for region memory.
123   PARAM_D_ADDRESS  = 6, ///< Address space for direct addressible parameter memory (CONST0)
124   PARAM_I_ADDRESS  = 7, ///< Address space for indirect addressible parameter memory (VTX1)
125 
126   // Do not re-order the CONSTANT_BUFFER_* enums.  Several places depend on this
127   // order to be able to dynamically index a constant buffer, for example:
128   //
129   // ConstantBufferAS = CONSTANT_BUFFER_0 + CBIdx
130 
131   CONSTANT_BUFFER_0 = 8,
132   CONSTANT_BUFFER_1 = 9,
133   CONSTANT_BUFFER_2 = 10,
134   CONSTANT_BUFFER_3 = 11,
135   CONSTANT_BUFFER_4 = 12,
136   CONSTANT_BUFFER_5 = 13,
137   CONSTANT_BUFFER_6 = 14,
138   CONSTANT_BUFFER_7 = 15,
139   CONSTANT_BUFFER_8 = 16,
140   CONSTANT_BUFFER_9 = 17,
141   CONSTANT_BUFFER_10 = 18,
142   CONSTANT_BUFFER_11 = 19,
143   CONSTANT_BUFFER_12 = 20,
144   CONSTANT_BUFFER_13 = 21,
145   CONSTANT_BUFFER_14 = 22,
146   CONSTANT_BUFFER_15 = 23,
147   ADDRESS_NONE = 24, ///< Address space for unknown memory.
148   LAST_ADDRESS = ADDRESS_NONE,
149 
150   // Some places use this if the address space can't be determined.
151   UNKNOWN_ADDRESS_SPACE = ~0u
152 };
153 
154 } // namespace AMDGPUAS
155 
156 #endif
157