src/gallium/state_trackers/clover/llvm/util.hpp

   1 //
   2 // Copyright 2012-2016 Francisco Jerez
   3 // Copyright 2012-2016 Advanced Micro Devices, Inc.
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining a
   6 // copy of this software and associated documentation files (the "Software"),
   7 // to deal in the Software without restriction, including without limitation
   8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 // and/or sell copies of the Software, and to permit persons to whom the
  10 // Software is furnished to do so, subject to the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be included in
  13 // all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21 // OTHER DEALINGS IN THE SOFTWARE.
  22 //
  23
  24 #ifndef CLOVER_LLVM_UTIL_HPP
  25 #define CLOVER_LLVM_UTIL_HPP
  26
  27 #include "util/u_debug.h"
  28
  29 #include <vector>
  30 #include <fstream>
  31 #include <iostream>
  32 #include <sstream>
  33
  34 namespace clover {
  35    namespace llvm {
  36       template<typename E> void
  37       fail(std::string &r_log, E &&e, const std::string &s) {
  38          r_log += s;
  39          throw e;
  40       }
  41
  42       inline std::vector<std::string>
  43       tokenize(const std::string &s) {
  44          std::vector<std::string> ss;
  45          std::istringstream iss(s);
  46          std::string t;
  47
  48          while (getline(iss, t, ' '))
  49             ss.push_back(t);
  50
  51          return ss;
  52       }
  53
  54       struct target {
  55          target(const std::string &s) :
  56             cpu(s.begin(), s.begin() + s.find_first_of("-")),
  57             triple(s.begin() + s.find_first_of("-") + 1, s.end()) {}
  58
  59          std::string cpu;
  60          std::string triple;
  61       };
  62
  63       namespace debug {
  64          enum flag {
  65             clc = 1 << 0,
  66             llvm = 1 << 1,
  67             native = 1 << 2
  68          };
  69
  70          inline bool
  71          has_flag(flag f) {
  72             static const struct debug_named_value debug_options[] = {
  73                { "clc", clc, "Dump the OpenCL C code for all kernels." },
  74                { "llvm", llvm, "Dump the generated LLVM IR for all kernels." },
  75                { "native", native, "Dump kernel assembly code for targets "
  76                  "specifying PIPE_SHADER_IR_NATIVE" },
  77                DEBUG_NAMED_VALUE_END
  78             };
  79             static const unsigned flags =
  80                debug_get_flags_option("CLOVER_DEBUG", debug_options, 0);
  81
  82             return flags & f;
  83          }
  84
  85          inline void
  86          log(const std::string &suffix, const std::string &s) {
  87             const std::string path = debug_get_option("CLOVER_DEBUG_FILE",
  88                                                       "stderr");
  89             if (path == "stderr")
  90                std::cerr << s;
  91             else
  92                std::ofstream(path + suffix, std::ios::app) << s;
  93          }
  94       }
  95    }
  96 }
  97
  98 #endif