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