2009-08-23 05:52:20 +01:00
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/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* C - JIT interfaces
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*
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* @author Jose Fonseca <jfonseca@vmware.com>
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*/
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#include <llvm-c/Transforms/Scalar.h>
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2009-08-23 06:35:09 +01:00
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#include "util/u_memory.h"
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2009-08-23 05:52:20 +01:00
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#include "lp_screen.h"
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2009-08-23 07:55:29 +01:00
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#include "lp_bld_intr.h"
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2009-08-23 05:52:20 +01:00
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#include "lp_jit.h"
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2009-08-23 06:35:09 +01:00
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static void
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2009-08-23 07:55:29 +01:00
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lp_jit_init_globals(struct llvmpipe_screen *screen)
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2009-08-23 06:35:09 +01:00
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{
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2009-09-07 14:52:39 +01:00
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LLVMTypeRef texture_type;
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/* struct lp_jit_texture */
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2009-08-23 06:35:09 +01:00
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{
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2009-08-23 07:38:41 +01:00
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LLVMTypeRef elem_types[4];
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2009-09-07 14:52:39 +01:00
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elem_types[LP_JIT_TEXTURE_WIDTH] = LLVMInt32Type();
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elem_types[LP_JIT_TEXTURE_HEIGHT] = LLVMInt32Type();
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elem_types[LP_JIT_TEXTURE_STRIDE] = LLVMInt32Type();
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elem_types[LP_JIT_TEXTURE_DATA] = LLVMPointerType(LLVMInt8Type(), 0);
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texture_type = LLVMStructType(elem_types, Elements(elem_types), 0);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
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screen->target, texture_type,
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LP_JIT_TEXTURE_WIDTH);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
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screen->target, texture_type,
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LP_JIT_TEXTURE_HEIGHT);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, stride,
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screen->target, texture_type,
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LP_JIT_TEXTURE_STRIDE);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, data,
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screen->target, texture_type,
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LP_JIT_TEXTURE_DATA);
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LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
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screen->target, texture_type);
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LLVMAddTypeName(screen->module, "texture", texture_type);
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}
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/* struct lp_jit_context */
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{
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LLVMTypeRef elem_types[5];
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2009-08-23 06:35:09 +01:00
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LLVMTypeRef context_type;
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elem_types[0] = LLVMPointerType(LLVMFloatType(), 0); /* constants */
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elem_types[1] = LLVMPointerType(LLVMInt8Type(), 0); /* samplers */
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2009-08-23 07:38:41 +01:00
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elem_types[2] = LLVMFloatType(); /* alpha_ref_value */
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elem_types[3] = LLVMPointerType(LLVMInt8Type(), 0); /* blend_color */
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2009-09-07 14:52:39 +01:00
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elem_types[4] = LLVMArrayType(texture_type, PIPE_MAX_SAMPLERS); /* textures */
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2009-08-23 06:35:09 +01:00
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context_type = LLVMStructType(elem_types, Elements(elem_types), 0);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants,
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screen->target, context_type, 0);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, samplers,
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screen->target, context_type, 1);
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2009-08-23 07:38:41 +01:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value,
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screen->target, context_type, 2);
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, blend_color,
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screen->target, context_type, 3);
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2009-09-07 14:52:39 +01:00
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LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
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screen->target, context_type,
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LP_JIT_CONTEXT_TEXTURES_INDEX);
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2009-08-23 06:35:09 +01:00
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LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
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screen->target, context_type);
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LLVMAddTypeName(screen->module, "context", context_type);
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screen->context_ptr_type = LLVMPointerType(context_type, 0);
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}
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2009-08-23 07:55:29 +01:00
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/* fetch_texel
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*/
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{
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LLVMTypeRef ret_type;
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LLVMTypeRef arg_types[3];
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LLVMValueRef fetch_texel;
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ret_type = LLVMVoidType();
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arg_types[0] = LLVMPointerType(LLVMInt8Type(), 0); /* samplers */
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arg_types[1] = LLVMInt32Type(); /* unit */
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arg_types[2] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0); /* store */
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fetch_texel = lp_declare_intrinsic(screen->module, "fetch_texel",
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ret_type, arg_types, Elements(arg_types));
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2009-08-25 08:05:31 +01:00
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LLVMAddGlobalMapping(screen->engine, fetch_texel, lp_fetch_texel_soa);
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2009-08-23 07:55:29 +01:00
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}
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2009-08-23 06:35:09 +01:00
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#ifdef DEBUG
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LLVMDumpModule(screen->module);
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#endif
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}
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2009-08-23 05:52:20 +01:00
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void
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lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
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{
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if(screen->engine)
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LLVMDisposeExecutionEngine(screen->engine);
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if(screen->pass)
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LLVMDisposePassManager(screen->pass);
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}
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void
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lp_jit_screen_init(struct llvmpipe_screen *screen)
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{
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char *error = NULL;
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screen->module = LLVMModuleCreateWithName("llvmpipe");
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screen->provider = LLVMCreateModuleProviderForExistingModule(screen->module);
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if (LLVMCreateJITCompiler(&screen->engine, screen->provider, 1, &error)) {
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2009-09-16 10:39:06 +01:00
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_debug_printf("%s\n", error);
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2009-08-23 05:52:20 +01:00
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LLVMDisposeMessage(error);
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abort();
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}
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2009-08-23 06:35:09 +01:00
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screen->target = LLVMGetExecutionEngineTargetData(screen->engine);
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2009-08-23 05:52:20 +01:00
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screen->pass = LLVMCreateFunctionPassManager(screen->provider);
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2009-08-23 06:35:09 +01:00
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LLVMAddTargetData(screen->target, screen->pass);
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2009-08-23 05:52:20 +01:00
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/* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
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* but there are more on SVN. */
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LLVMAddConstantPropagationPass(screen->pass);
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LLVMAddInstructionCombiningPass(screen->pass);
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LLVMAddPromoteMemoryToRegisterPass(screen->pass);
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LLVMAddGVNPass(screen->pass);
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LLVMAddCFGSimplificationPass(screen->pass);
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2009-08-23 06:35:09 +01:00
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2009-08-23 07:55:29 +01:00
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lp_jit_init_globals(screen);
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2009-08-23 05:52:20 +01:00
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}
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