src/amd/common/ac_llvm_util.c

   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sub license, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  13  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  14  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  15  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  16  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  17  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  18  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  19  *
  20  * The above copyright notice and this permission notice (including the
  21  * next paragraph) shall be included in all copies or substantial portions
  22  * of the Software.
  23  *
  24  */
  25 /* based on pieces from si_pipe.c and radeon_llvm_emit.c */
  26 #include "ac_llvm_util.h"
  27
  28 #include <llvm-c/Core.h>
  29
  30 #include "c11/threads.h"
  31
  32 #include <assert.h>
  33 #include <stdio.h>
  34
  35 static void ac_init_llvm_target()
  36 {
  37 #if HAVE_LLVM < 0x0307
  38         LLVMInitializeR600TargetInfo();
  39         LLVMInitializeR600Target();
  40         LLVMInitializeR600TargetMC();
  41         LLVMInitializeR600AsmPrinter();
  42 #else
  43         LLVMInitializeAMDGPUTargetInfo();
  44         LLVMInitializeAMDGPUTarget();
  45         LLVMInitializeAMDGPUTargetMC();
  46         LLVMInitializeAMDGPUAsmPrinter();
  47 #endif
  48 }
  49
  50 static once_flag ac_init_llvm_target_once_flag = ONCE_FLAG_INIT;
  51
  52 static LLVMTargetRef ac_get_llvm_target(const char *triple)
  53 {
  54         LLVMTargetRef target = NULL;
  55         char *err_message = NULL;
  56
  57         call_once(&ac_init_llvm_target_once_flag, ac_init_llvm_target);
  58
  59         if (LLVMGetTargetFromTriple(triple, &target, &err_message)) {
  60                 fprintf(stderr, "Cannot find target for triple %s ", triple);
  61                 if (err_message) {
  62                         fprintf(stderr, "%s\n", err_message);
  63                 }
  64                 LLVMDisposeMessage(err_message);
  65                 return NULL;
  66         }
  67         return target;
  68 }
  69
  70 static const char *ac_get_llvm_processor_name(enum radeon_family family)
  71 {
  72         switch (family) {
  73         case CHIP_TAHITI:
  74                 return "tahiti";
  75         case CHIP_PITCAIRN:
  76                 return "pitcairn";
  77         case CHIP_VERDE:
  78                 return "verde";
  79         case CHIP_OLAND:
  80                 return "oland";
  81         case CHIP_HAINAN:
  82                 return "hainan";
  83         case CHIP_BONAIRE:
  84                 return "bonaire";
  85         case CHIP_KABINI:
  86                 return "kabini";
  87         case CHIP_KAVERI:
  88                 return "kaveri";
  89         case CHIP_HAWAII:
  90                 return "hawaii";
  91         case CHIP_MULLINS:
  92                 return "mullins";
  93         case CHIP_TONGA:
  94                 return "tonga";
  95         case CHIP_ICELAND:
  96                 return "iceland";
  97         case CHIP_CARRIZO:
  98                 return "carrizo";
  99 #if HAVE_LLVM <= 0x0307
 100         case CHIP_FIJI:
 101                 return "tonga";
 102         case CHIP_STONEY:
 103                 return "carrizo";
 104 #else
 105         case CHIP_FIJI:
 106                 return "fiji";
 107         case CHIP_STONEY:
 108                 return "stoney";
 109 #endif
 110 #if HAVE_LLVM <= 0x0308
 111         case CHIP_POLARIS10:
 112                 return "tonga";
 113         case CHIP_POLARIS11:
 114                 return "tonga";
 115 #else
 116         case CHIP_POLARIS10:
 117                 return "polaris10";
 118         case CHIP_POLARIS11:
 119                 return "polaris11";
 120 #endif
 121         default:
 122                 return "";
 123         }
 124 }
 125
 126 LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family)
 127 {
 128         assert(family >= CHIP_TAHITI);
 129
 130         const char *triple = "amdgcn--";
 131         LLVMTargetRef target = ac_get_llvm_target(triple);
 132         LLVMTargetMachineRef tm = LLVMCreateTargetMachine(
 133                                      target,
 134                                      triple,
 135                                      ac_get_llvm_processor_name(family),
 136                                      "+DumpCode,+vgpr-spilling",
 137                                      LLVMCodeGenLevelDefault,
 138                                      LLVMRelocDefault,
 139                                      LLVMCodeModelDefault);
 140
 141         return tm;
 142 }