1 files changed, 151 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_init.c b/src/gallium/auxiliary/gallivm/lp_bld_init.c
new file mode 100644
index 0000000000..44cfdc4d3f
--- /dev/null
+++ b/src/gallium/auxiliary/gallivm/lp_bld_init.c
@@ -0,0 +1,151 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "pipe/p_compiler.h"
+#include "util/u_cpu_detect.h"
+#include "util/u_debug.h"
+#include "lp_bld_debug.h"
+#include "lp_bld_init.h"
+
+
+#ifdef DEBUG
+unsigned gallivm_debug = 0;
+
+static const struct debug_named_value lp_bld_debug_flags[] = {
+   { "tgsi",   GALLIVM_DEBUG_TGSI, NULL },
+   { "ir",     GALLIVM_DEBUG_IR, NULL },
+   { "asm",    GALLIVM_DEBUG_ASM, NULL },
+   { "nopt",   GALLIVM_DEBUG_NO_OPT, NULL },
+   DEBUG_NAMED_VALUE_END
+};
+#endif
+
+
+LLVMModuleRef lp_build_module = NULL;
+LLVMExecutionEngineRef lp_build_engine = NULL;
+LLVMModuleProviderRef lp_build_provider = NULL;
+LLVMTargetDataRef lp_build_target = NULL;
+
+
+/*
+ * Optimization values are:
+ * - 0: None (-O0)
+ * - 1: Less (-O1)
+ * - 2: Default (-O2, -Os)
+ * - 3: Aggressive (-O3)
+ *
+ * See also CodeGenOpt::Level in llvm/Target/TargetMachine.h
+ */
+enum LLVM_CodeGenOpt_Level {
+#if HAVE_LLVM >= 0x207
+   None,        // -O0
+   Less,        // -O1
+   Default,     // -O2, -Os
+   Aggressive   // -O3
+#else
+   Default,
+   None,
+   Aggressive
+#endif
+};
+
+
+extern void
+lp_register_oprofile_jit_event_listener(LLVMExecutionEngineRef EE);
+
+extern void
+lp_set_target_options(void);
+
+
+void
+lp_build_init(void)
+{
+#ifdef DEBUG
+   gallivm_debug = debug_get_flags_option("GALLIVM_DEBUG", lp_bld_debug_flags, 0 );
+#endif
+
+   lp_set_target_options();
+
+   LLVMInitializeNativeTarget();
+
+   LLVMLinkInJIT();
+
+   if (!lp_build_module)
+      lp_build_module = LLVMModuleCreateWithName("gallivm");
+
+   if (!lp_build_provider)
+      lp_build_provider = LLVMCreateModuleProviderForExistingModule(lp_build_module);
+
+   if (!lp_build_engine) {
+      enum LLVM_CodeGenOpt_Level optlevel;
+      char *error = NULL;
+
+      if (gallivm_debug & GALLIVM_DEBUG_NO_OPT) {
+         optlevel = None;
+      }
+      else {
+         optlevel = Default;
+      }
+
+      if (LLVMCreateJITCompiler(&lp_build_engine, lp_build_provider,
+                                (unsigned)optlevel, &error)) {
+         _debug_printf("%s\n", error);
+         LLVMDisposeMessage(error);
+         assert(0);
+      }
+
+#if defined(DEBUG) || defined(PROFILE)
+      lp_register_oprofile_jit_event_listener(lp_build_engine);
+#endif
+   }
+
+   if (!lp_build_target)
+      lp_build_target = LLVMGetExecutionEngineTargetData(lp_build_engine);
+
+   util_cpu_detect();
+
+#if 0
+   /* For simulating less capable machines */
+   util_cpu_caps.has_sse3 = 0;
+   util_cpu_caps.has_ssse3 = 0;
+   util_cpu_caps.has_sse4_1 = 0;
+#endif
+}
+
+
+/* 
+ * Hack to allow the linking of release LLVM static libraries on a debug build.
+ *
+ * See also:
+ * - http://social.msdn.microsoft.com/Forums/en-US/vclanguage/thread/7234ea2b-0042-42ed-b4e2-5d8644dfb57d
+ */
+#if defined(_MSC_VER) && defined(_DEBUG)
+#include <crtdefs.h>
+_CRTIMP void __cdecl
+_invalid_parameter_noinfo(void) {}
+#endif