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      1 //===-- AMDIL.h - Top-level interface for AMDIL representation --*- 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 //==-----------------------------------------------------------------------===//
      9 //
     10 // This file contains the entry points for global functions defined in the LLVM
     11 // AMDGPU back-end.
     12 //
     13 //===----------------------------------------------------------------------===//
     14 
     15 #ifndef AMDIL_H_
     16 #define AMDIL_H_
     17 
     18 #include "llvm/CodeGen/MachineFunction.h"
     19 #include "llvm/Target/TargetMachine.h"
     20 
     21 #define ARENA_SEGMENT_RESERVED_UAVS 12
     22 #define DEFAULT_ARENA_UAV_ID 8
     23 #define DEFAULT_RAW_UAV_ID 7
     24 #define GLOBAL_RETURN_RAW_UAV_ID 11
     25 #define HW_MAX_NUM_CB 8
     26 #define MAX_NUM_UNIQUE_UAVS 8
     27 #define OPENCL_MAX_NUM_ATOMIC_COUNTERS 8
     28 #define OPENCL_MAX_READ_IMAGES 128
     29 #define OPENCL_MAX_WRITE_IMAGES 8
     30 #define OPENCL_MAX_SAMPLERS 16
     31 
     32 // The next two values can never be zero, as zero is the ID that is
     33 // used to assert against.
     34 #define DEFAULT_LDS_ID     1
     35 #define DEFAULT_GDS_ID     1
     36 #define DEFAULT_SCRATCH_ID 1
     37 #define DEFAULT_VEC_SLOTS  8
     38 
     39 #define OCL_DEVICE_RV710        0x0001
     40 #define OCL_DEVICE_RV730        0x0002
     41 #define OCL_DEVICE_RV770        0x0004
     42 #define OCL_DEVICE_CEDAR        0x0008
     43 #define OCL_DEVICE_REDWOOD      0x0010
     44 #define OCL_DEVICE_JUNIPER      0x0020
     45 #define OCL_DEVICE_CYPRESS      0x0040
     46 #define OCL_DEVICE_CAICOS       0x0080
     47 #define OCL_DEVICE_TURKS        0x0100
     48 #define OCL_DEVICE_BARTS        0x0200
     49 #define OCL_DEVICE_CAYMAN       0x0400
     50 #define OCL_DEVICE_ALL          0x3FFF
     51 
     52 /// The number of function ID's that are reserved for
     53 /// internal compiler usage.
     54 const unsigned int RESERVED_FUNCS = 1024;
     55 
     56 namespace llvm {
     57 class AMDGPUInstrPrinter;
     58 class FunctionPass;
     59 class MCAsmInfo;
     60 class raw_ostream;
     61 class Target;
     62 class TargetMachine;
     63 
     64 /// Instruction selection passes.
     65 FunctionPass*
     66   createAMDGPUISelDag(TargetMachine &TM);
     67 FunctionPass*
     68   createAMDGPUPeepholeOpt(TargetMachine &TM);
     69 
     70 /// Pre emit passes.
     71 FunctionPass*
     72   createAMDGPUCFGPreparationPass(TargetMachine &TM);
     73 FunctionPass*
     74   createAMDGPUCFGStructurizerPass(TargetMachine &TM);
     75 
     76 extern Target TheAMDGPUTarget;
     77 } // end namespace llvm;
     78 
     79 /// Include device information enumerations
     80 #include "AMDILDeviceInfo.h"
     81 
     82 namespace llvm {
     83 /// OpenCL uses address spaces to differentiate between
     84 /// various memory regions on the hardware. On the CPU
     85 /// all of the address spaces point to the same memory,
     86 /// however on the GPU, each address space points to
     87 /// a seperate piece of memory that is unique from other
     88 /// memory locations.
     89 namespace AMDGPUAS {
     90 enum AddressSpaces {
     91   PRIVATE_ADDRESS  = 0, // Address space for private memory.
     92   GLOBAL_ADDRESS   = 1, // Address space for global memory (RAT0, VTX0).
     93   CONSTANT_ADDRESS = 2, // Address space for constant memory.
     94   LOCAL_ADDRESS    = 3, // Address space for local memory.
     95   REGION_ADDRESS   = 4, // Address space for region memory.
     96   ADDRESS_NONE     = 5, // Address space for unknown memory.
     97   PARAM_D_ADDRESS  = 6, // Address space for direct addressible parameter memory (CONST0)
     98   PARAM_I_ADDRESS  = 7, // Address space for indirect addressible parameter memory (VTX1)
     99   USER_SGPR_ADDRESS = 8, // Address space for USER_SGPRS on SI
    100   LAST_ADDRESS     = 9
    101 };
    102 
    103 } // namespace AMDGPUAS
    104 
    105 } // end namespace llvm
    106 #endif // AMDIL_H_
    107