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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 calling intrinsics.
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#ifndef LP_BLD_INTR_H
#define LP_BLD_INTR_H
#include <llvm/Config/llvm-config.h>
#include "gallivm/lp_bld.h"
#include "gallivm/lp_bld_init.h"
/**
* Max number of arguments in an intrinsic.
*/
#define LP_MAX_FUNC_ARGS 32
enum lp_func_attr {
LP_FUNC_ATTR_ALWAYSINLINE = (1 << 0),
LP_FUNC_ATTR_INREG = (1 << 2),
LP_FUNC_ATTR_NOALIAS = (1 << 3),
LP_FUNC_ATTR_NOUNWIND = (1 << 4),
LP_FUNC_ATTR_READNONE = (1 << 5),
LP_FUNC_ATTR_READONLY = (1 << 6),
LP_FUNC_ATTR_WRITEONLY = LLVM_VERSION_MAJOR >= 4 ? (1 << 7) : 0,
LP_FUNC_ATTR_INACCESSIBLE_MEM_ONLY = LLVM_VERSION_MAJOR >= 4 ? (1 << 8) : 0,
LP_FUNC_ATTR_CONVERGENT = LLVM_VERSION_MAJOR >= 4 ? (1 << 9) : 0,
/* Legacy intrinsic that needs attributes on function declarations
* and they must match the internal LLVM definition exactly, otherwise
* intrinsic selection fails.
*/
LP_FUNC_ATTR_LEGACY = (1u << 31),
};
void
lp_format_intrinsic(char *name,
size_t size,
const char *name_root,
LLVMTypeRef type);
LLVMValueRef
lp_declare_intrinsic(LLVMModuleRef module,
const char *name,
LLVMTypeRef ret_type,
LLVMTypeRef *arg_types,
unsigned num_args);
void
lp_add_function_attr(LLVMValueRef function_or_call,
int attr_idx, enum lp_func_attr attr);
LLVMValueRef
lp_build_intrinsic(LLVMBuilderRef builder,
const char *name,
LLVMTypeRef ret_type,
LLVMValueRef *args,
unsigned num_args,
unsigned attr_mask);
LLVMValueRef
lp_build_intrinsic_unary(LLVMBuilderRef builder,
const char *name,
LLVMTypeRef ret_type,
LLVMValueRef a);
LLVMValueRef
lp_build_intrinsic_binary(LLVMBuilderRef builder,
const char *name,
LLVMTypeRef ret_type,
LLVMValueRef a,
LLVMValueRef b);
LLVMValueRef
lp_build_intrinsic_binary_anylength(struct gallivm_state *gallivm,
const char *name,
struct lp_type src_type,
unsigned intr_size,
LLVMValueRef a,
LLVMValueRef b);
LLVMValueRef
lp_build_intrinsic_map(struct gallivm_state *gallivm,
const char *name,
LLVMTypeRef ret_type,
LLVMValueRef *args,
unsigned num_args);
LLVMValueRef
lp_build_intrinsic_map_unary(struct gallivm_state *gallivm,
const char *name,
LLVMTypeRef ret_type,
LLVMValueRef a);
LLVMValueRef
lp_build_intrinsic_map_binary(struct gallivm_state *gallivm,
const char *name,
LLVMTypeRef ret_type,
LLVMValueRef a,
LLVMValueRef b);
#endif /* !LP_BLD_INTR_H */
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