src/gallium/auxiliary/gallivm/lp_bld_init.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28
  29 #include "pipe/p_compiler.h"
  30 #include "util/u_cpu_detect.h"
  31 #include "util/u_debug.h"
  32 #include "lp_bld_init.h"
  33
  34
  35 LLVMModuleRef lp_build_module = NULL;
  36 LLVMExecutionEngineRef lp_build_engine = NULL;
  37 LLVMModuleProviderRef lp_build_provider = NULL;
  38 LLVMTargetDataRef lp_build_target = NULL;
  39
  40
  41 void
  42 lp_build_init(void)
  43 {
  44    LLVMInitializeNativeTarget();
  45
  46    LLVMLinkInJIT();
  47
  48    if (!lp_build_module)
  49       lp_build_module = LLVMModuleCreateWithName("gallivm");
  50
  51    if (!lp_build_provider)
  52       lp_build_provider = LLVMCreateModuleProviderForExistingModule(lp_build_module);
  53
  54    if (!lp_build_engine) {
  55       char *error = NULL;
  56
  57       if (LLVMCreateJITCompiler(&lp_build_engine, lp_build_provider, 1, &error)) {
  58          _debug_printf("%s\n", error);
  59          LLVMDisposeMessage(error);
  60          assert(0);
  61       }
  62    }
  63
  64    if (!lp_build_target)
  65       lp_build_target = LLVMGetExecutionEngineTargetData(lp_build_engine);
  66
  67    util_cpu_detect();
  68
  69 #if 0
  70    /* For simulating less capable machines */
  71    util_cpu_caps.has_sse3 = 0;
  72    util_cpu_caps.has_ssse3 = 0;
  73    util_cpu_caps.has_sse4_1 = 0;
  74 #endif
  75 }
  76
  77
  78 /*
  79  * Hack to allow the linking of release LLVM static libraries on a debug build.
  80  *
  81  * See also:
  82  * - http://social.msdn.microsoft.com/Forums/en-US/vclanguage/thread/7234ea2b-0042-42ed-b4e2-5d8644dfb57d
  83  */
  84 #if defined(_MSC_VER) && defined(_DEBUG)
  85 #include <crtdefs.h>
  86 _CRTIMP void __cdecl
  87 _invalid_parameter_noinfo(void) {}
  88 #endif