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 *createSIFixSGPRCopiesPass(TargetMachine &tm);
47 FunctionPass *createSIFixSGPRLiveRangesPass();
48 FunctionPass *createSICodeEmitterPass(formatted_raw_ostream &OS);
49 FunctionPass *createSIInsertWaits(TargetMachine &tm);
50 FunctionPass *createSIPrepareScratchRegs();
51 
52 void initializeSIFoldOperandsPass(PassRegistry &);
53 extern char &SIFoldOperandsID;
54 
55 void initializeSILowerI1CopiesPass(PassRegistry &);
56 extern char &SILowerI1CopiesID;
57 
58 void initializeSILoadStoreOptimizerPass(PassRegistry &);
59 extern char &SILoadStoreOptimizerID;
60 
61 // Passes common to R600 and SI
62 FunctionPass *createAMDGPUPromoteAlloca(const AMDGPUSubtarget &ST);
63 Pass *createAMDGPUStructurizeCFGPass();
64 FunctionPass *createAMDGPUISelDag(TargetMachine &tm);
65 ModulePass *createAMDGPUAlwaysInlinePass();
66 
67 void initializeSIFixSGPRLiveRangesPass(PassRegistry&);
68 extern char &SIFixSGPRLiveRangesID;
69 
70 
71 extern Target TheAMDGPUTarget;
72 extern Target TheGCNTarget;
73 
74 namespace AMDGPU {
75 enum TargetIndex {
76   TI_CONSTDATA_START,
77   TI_SCRATCH_RSRC_DWORD0,
78   TI_SCRATCH_RSRC_DWORD1,
79   TI_SCRATCH_RSRC_DWORD2,
80   TI_SCRATCH_RSRC_DWORD3
81 };
82 }
83 
84 #define END_OF_TEXT_LABEL_NAME "EndOfTextLabel"
85 
86 } // End namespace llvm
87 
88 namespace ShaderType {
89   enum Type {
90     PIXEL = 0,
91     VERTEX = 1,
92     GEOMETRY = 2,
93     COMPUTE = 3
94   };
95 }
96 
97 /// OpenCL uses address spaces to differentiate between
98 /// various memory regions on the hardware. On the CPU
99 /// all of the address spaces point to the same memory,
100 /// however on the GPU, each address space points to
101 /// a separate piece of memory that is unique from other
102 /// memory locations.
103 namespace AMDGPUAS {
104 enum AddressSpaces {
105   PRIVATE_ADDRESS  = 0, ///< Address space for private memory.
106   GLOBAL_ADDRESS   = 1, ///< Address space for global memory (RAT0, VTX0).
107   CONSTANT_ADDRESS = 2, ///< Address space for constant memory
108   LOCAL_ADDRESS    = 3, ///< Address space for local memory.
109   FLAT_ADDRESS     = 4, ///< Address space for flat memory.
110   REGION_ADDRESS   = 5, ///< Address space for region memory.
111   PARAM_D_ADDRESS  = 6, ///< Address space for direct addressible parameter memory (CONST0)
112   PARAM_I_ADDRESS  = 7, ///< Address space for indirect addressible parameter memory (VTX1)
113 
114   // Do not re-order the CONSTANT_BUFFER_* enums.  Several places depend on this
115   // order to be able to dynamically index a constant buffer, for example:
116   //
117   // ConstantBufferAS = CONSTANT_BUFFER_0 + CBIdx
118 
119   CONSTANT_BUFFER_0 = 8,
120   CONSTANT_BUFFER_1 = 9,
121   CONSTANT_BUFFER_2 = 10,
122   CONSTANT_BUFFER_3 = 11,
123   CONSTANT_BUFFER_4 = 12,
124   CONSTANT_BUFFER_5 = 13,
125   CONSTANT_BUFFER_6 = 14,
126   CONSTANT_BUFFER_7 = 15,
127   CONSTANT_BUFFER_8 = 16,
128   CONSTANT_BUFFER_9 = 17,
129   CONSTANT_BUFFER_10 = 18,
130   CONSTANT_BUFFER_11 = 19,
131   CONSTANT_BUFFER_12 = 20,
132   CONSTANT_BUFFER_13 = 21,
133   CONSTANT_BUFFER_14 = 22,
134   CONSTANT_BUFFER_15 = 23,
135   ADDRESS_NONE = 24, ///< Address space for unknown memory.
136   LAST_ADDRESS = ADDRESS_NONE
137 };
138 
139 } // namespace AMDGPUAS
140 
141 #endif
142