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      1 /**************************************************************************
      2  *
      3  * Copyright 2009 VMware, Inc.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 /**
     29  * @file
     30  * Helper functions for calling intrinsics.
     31  *
     32  * @author Jose Fonseca <jfonseca (at) vmware.com>
     33  */
     34 
     35 
     36 #ifndef LP_BLD_INTR_H
     37 #define LP_BLD_INTR_H
     38 
     39 
     40 #include "gallivm/lp_bld.h"
     41 #include "gallivm/lp_bld_init.h"
     42 
     43 
     44 /**
     45  * Max number of arguments in an intrinsic.
     46  */
     47 #define LP_MAX_FUNC_ARGS 32
     48 
     49 enum lp_func_attr {
     50    LP_FUNC_ATTR_ALWAYSINLINE = (1 << 0),
     51    LP_FUNC_ATTR_BYVAL        = (1 << 1),
     52    LP_FUNC_ATTR_INREG        = (1 << 2),
     53    LP_FUNC_ATTR_NOALIAS      = (1 << 3),
     54    LP_FUNC_ATTR_NOUNWIND     = (1 << 4),
     55    LP_FUNC_ATTR_READNONE     = (1 << 5),
     56    LP_FUNC_ATTR_READONLY     = (1 << 6),
     57    LP_FUNC_ATTR_LAST         = (1 << 7)
     58 };
     59 
     60 void
     61 lp_format_intrinsic(char *name,
     62                     size_t size,
     63                     const char *name_root,
     64                     LLVMTypeRef type);
     65 
     66 LLVMValueRef
     67 lp_declare_intrinsic(LLVMModuleRef module,
     68                      const char *name,
     69                      LLVMTypeRef ret_type,
     70                      LLVMTypeRef *arg_types,
     71                      unsigned num_args);
     72 
     73 void
     74 lp_add_function_attr(LLVMValueRef function,
     75                      int attr_idx,
     76                      enum lp_func_attr attr);
     77 
     78 LLVMValueRef
     79 lp_build_intrinsic(LLVMBuilderRef builder,
     80                    const char *name,
     81                    LLVMTypeRef ret_type,
     82                    LLVMValueRef *args,
     83                    unsigned num_args,
     84                    unsigned attr_mask);
     85 
     86 
     87 LLVMValueRef
     88 lp_build_intrinsic_unary(LLVMBuilderRef builder,
     89                          const char *name,
     90                          LLVMTypeRef ret_type,
     91                          LLVMValueRef a);
     92 
     93 
     94 LLVMValueRef
     95 lp_build_intrinsic_binary(LLVMBuilderRef builder,
     96                           const char *name,
     97                           LLVMTypeRef ret_type,
     98                           LLVMValueRef a,
     99                           LLVMValueRef b);
    100 
    101 
    102 LLVMValueRef
    103 lp_build_intrinsic_binary_anylength(struct gallivm_state *gallivm,
    104                                     const char *name,
    105                                     struct lp_type src_type,
    106                                     unsigned intr_size,
    107                                     LLVMValueRef a,
    108                                     LLVMValueRef b);
    109 
    110 
    111 LLVMValueRef
    112 lp_build_intrinsic_map(struct gallivm_state *gallivm,
    113                        const char *name,
    114                        LLVMTypeRef ret_type,
    115                        LLVMValueRef *args,
    116                        unsigned num_args);
    117 
    118 
    119 LLVMValueRef
    120 lp_build_intrinsic_map_unary(struct gallivm_state *gallivm,
    121                              const char *name,
    122                              LLVMTypeRef ret_type,
    123                              LLVMValueRef a);
    124 
    125 
    126 LLVMValueRef
    127 lp_build_intrinsic_map_binary(struct gallivm_state *gallivm,
    128                               const char *name,
    129                               LLVMTypeRef ret_type,
    130                               LLVMValueRef a,
    131                               LLVMValueRef b);
    132 
    133 
    134 #endif /* !LP_BLD_INTR_H */
    135