mesa/src/gallium/drivers/llvmpipe/lp_jit.c

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/**************************************************************************
*
* 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.
*
**************************************************************************/
/**
* @file
* C - JIT interfaces
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#include <llvm-c/Transforms/Scalar.h>
#include "lp_screen.h"
#include "lp_jit.h"
void
lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
{
if(screen->engine)
LLVMDisposeExecutionEngine(screen->engine);
if(screen->pass)
LLVMDisposePassManager(screen->pass);
}
void
lp_jit_screen_init(struct llvmpipe_screen *screen)
{
char *error = NULL;
screen->module = LLVMModuleCreateWithName("llvmpipe");
screen->provider = LLVMCreateModuleProviderForExistingModule(screen->module);
if (LLVMCreateJITCompiler(&screen->engine, screen->provider, 1, &error)) {
fprintf(stderr, "%s\n", error);
LLVMDisposeMessage(error);
abort();
}
screen->pass = LLVMCreateFunctionPassManager(screen->provider);
LLVMAddTargetData(LLVMGetExecutionEngineTargetData(screen->engine), screen->pass);
/* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
* but there are more on SVN. */
LLVMAddConstantPropagationPass(screen->pass);
LLVMAddInstructionCombiningPass(screen->pass);
LLVMAddPromoteMemoryToRegisterPass(screen->pass);
LLVMAddGVNPass(screen->pass);
LLVMAddCFGSimplificationPass(screen->pass);
}