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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
* Helper functions for type conversions.
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#ifndef LP_BLD_STRUCT_H
#define LP_BLD_STRUCT_H
#include "gallivm/lp_bld.h"
#include "gallivm/lp_bld_init.h"
#include "util/u_debug.h"
#include "util/u_memory.h"
#define LP_CHECK_STRUCT_SIZE(_ctype, _ltarget, _ltype) \
assert(LLVMABISizeOfType(_ltarget, _ltype) == \
sizeof(_ctype))
#define LP_CHECK_MEMBER_OFFSET(_ctype, _cmember, _ltarget, _ltype, _lindex) \
assert(LLVMOffsetOfElement(_ltarget, _ltype, _lindex) == \
offsetof(_ctype, _cmember))
/**
* Get value pointer to a structure member.
*/
LLVMValueRef
lp_build_struct_get_ptr(struct gallivm_state *gallivm,
LLVMValueRef ptr,
unsigned member,
const char *name);
/**
* Get the value of a structure member.
*/
LLVMValueRef
lp_build_struct_get(struct gallivm_state *gallivm,
LLVMValueRef ptr,
unsigned member,
const char *name);
/**
* Get value pointer to an array element.
*/
LLVMValueRef
lp_build_array_get_ptr(struct gallivm_state *gallivm,
LLVMValueRef ptr,
LLVMValueRef index);
/**
* Get the value of an array element.
*/
LLVMValueRef
lp_build_array_get(struct gallivm_state *gallivm,
LLVMValueRef ptr,
LLVMValueRef index);
/**
* Set the value of an array element.
*/
void
lp_build_array_set(struct gallivm_state *gallivm,
LLVMValueRef ptr,
LLVMValueRef index,
LLVMValueRef value);
/**
* Get the value of an array element.
*/
LLVMValueRef
lp_build_pointer_get(LLVMBuilderRef builder,
LLVMValueRef ptr,
LLVMValueRef index);
/**
* Get the value of an array element, with explicit alignment.
*
* If the element size is different from the alignment this will
* cause llvm to emit an unaligned load
*/
LLVMValueRef
lp_build_pointer_get_unaligned(LLVMBuilderRef builder,
LLVMValueRef ptr,
LLVMValueRef index,
unsigned alignment);
/**
* Set the value of an array element.
*/
void
lp_build_pointer_set(LLVMBuilderRef builder,
LLVMValueRef ptr,
LLVMValueRef index,
LLVMValueRef value);
/**
* Set the value of an array element, with explicit alignment.
*
* If the element size is different from the alignment this will
* cause llvm to emit an unaligned store
*/
void
lp_build_pointer_set_unaligned(LLVMBuilderRef builder,
LLVMValueRef ptr,
LLVMValueRef index,
LLVMValueRef value,
unsigned alignment);
#endif /* !LP_BLD_STRUCT_H */
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