src/gallium/auxiliary/gallivm/lp_bld_intr.h

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  27
  28 /**
  29  * @file
  30  * Helper functions for calling intrinsics.
  31  *
  32  * @author Jose Fonseca <jfonseca@vmware.com>
  33  */
  34
  35
  36 #ifndef LP_BLD_INTR_H
  37 #define LP_BLD_INTR_H
  38
  39 #include <llvm/Config/llvm-config.h>
  40
  41 #include "gallivm/lp_bld.h"
  42 #include "gallivm/lp_bld_init.h"
  43
  44
  45 /**
  46  * Max number of arguments in an intrinsic.
  47  */
  48 #define LP_MAX_FUNC_ARGS 32
  49
  50 enum lp_func_attr {
  51    LP_FUNC_ATTR_ALWAYSINLINE = (1 << 0),
  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_WRITEONLY    = LLVM_VERSION_MAJOR >= 4 ? (1 << 7) : 0,
  58    LP_FUNC_ATTR_INACCESSIBLE_MEM_ONLY = LLVM_VERSION_MAJOR >= 4 ? (1 << 8) : 0,
  59    LP_FUNC_ATTR_CONVERGENT   = LLVM_VERSION_MAJOR >= 4 ? (1 << 9) : 0,
  60
  61    /* Legacy intrinsic that needs attributes on function declarations
  62     * and they must match the internal LLVM definition exactly, otherwise
  63     * intrinsic selection fails.
  64     */
  65    LP_FUNC_ATTR_LEGACY       = (1u << 31),
  66 };
  67
  68 void
  69 lp_format_intrinsic(char *name,
  70                     size_t size,
  71                     const char *name_root,
  72                     LLVMTypeRef type);
  73
  74 LLVMValueRef
  75 lp_declare_intrinsic(LLVMModuleRef module,
  76                      const char *name,
  77                      LLVMTypeRef ret_type,
  78                      LLVMTypeRef *arg_types,
  79                      unsigned num_args);
  80
  81 void
  82 lp_add_function_attr(LLVMValueRef function_or_call,
  83                      int attr_idx, enum lp_func_attr attr);
  84
  85 LLVMValueRef
  86 lp_build_intrinsic(LLVMBuilderRef builder,
  87                    const char *name,
  88                    LLVMTypeRef ret_type,
  89                    LLVMValueRef *args,
  90                    unsigned num_args,
  91                    unsigned attr_mask);
  92
  93
  94 LLVMValueRef
  95 lp_build_intrinsic_unary(LLVMBuilderRef builder,
  96                          const char *name,
  97                          LLVMTypeRef ret_type,
  98                          LLVMValueRef a);
  99
 100
 101 LLVMValueRef
 102 lp_build_intrinsic_binary(LLVMBuilderRef builder,
 103                           const char *name,
 104                           LLVMTypeRef ret_type,
 105                           LLVMValueRef a,
 106                           LLVMValueRef b);
 107
 108
 109 LLVMValueRef
 110 lp_build_intrinsic_binary_anylength(struct gallivm_state *gallivm,
 111                                     const char *name,
 112                                     struct lp_type src_type,
 113                                     unsigned intr_size,
 114                                     LLVMValueRef a,
 115                                     LLVMValueRef b);
 116
 117
 118 LLVMValueRef
 119 lp_build_intrinsic_map(struct gallivm_state *gallivm,
 120                        const char *name,
 121                        LLVMTypeRef ret_type,
 122                        LLVMValueRef *args,
 123                        unsigned num_args);
 124
 125
 126 LLVMValueRef
 127 lp_build_intrinsic_map_unary(struct gallivm_state *gallivm,
 128                              const char *name,
 129                              LLVMTypeRef ret_type,
 130                              LLVMValueRef a);
 131
 132
 133 LLVMValueRef
 134 lp_build_intrinsic_map_binary(struct gallivm_state *gallivm,
 135                               const char *name,
 136                               LLVMTypeRef ret_type,
 137                               LLVMValueRef a,
 138                               LLVMValueRef b);
 139
 140
 141 #endif /* !LP_BLD_INTR_H */