1 /* 2 * Copyright 2016 Bas Nieuwenhuizen 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the 6 * "Software"), to deal in the Software without restriction, including 7 * without limitation the rights to use, copy, modify, merge, publish, 8 * distribute, sub license, and/or sell copies of the Software, and to 9 * permit persons to whom the Software is furnished to do so, subject to 10 * the following conditions: 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 14 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 15 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 17 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 18 * USE OR OTHER DEALINGS IN THE SOFTWARE. 19 * 20 * The above copyright notice and this permission notice (including the 21 * next paragraph) shall be included in all copies or substantial portions 22 * of the Software. 23 * 24 */ 25 26 #ifndef AC_LLVM_UTIL_H 27 #define AC_LLVM_UTIL_H 28 29 #include <stdbool.h> 30 #include <llvm-c/TargetMachine.h> 31 32 #include "amd_family.h" 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 enum ac_func_attr { 39 AC_FUNC_ATTR_ALWAYSINLINE = (1 << 0), 40 AC_FUNC_ATTR_BYVAL = (1 << 1), 41 AC_FUNC_ATTR_INREG = (1 << 2), 42 AC_FUNC_ATTR_NOALIAS = (1 << 3), 43 AC_FUNC_ATTR_NOUNWIND = (1 << 4), 44 AC_FUNC_ATTR_READNONE = (1 << 5), 45 AC_FUNC_ATTR_READONLY = (1 << 6), 46 AC_FUNC_ATTR_WRITEONLY = HAVE_LLVM >= 0x0400 ? (1 << 7) : 0, 47 AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY = HAVE_LLVM >= 0x0400 ? (1 << 8) : 0, 48 AC_FUNC_ATTR_CONVERGENT = HAVE_LLVM >= 0x0400 ? (1 << 9) : 0, 49 50 /* Legacy intrinsic that needs attributes on function declarations 51 * and they must match the internal LLVM definition exactly, otherwise 52 * intrinsic selection fails. 53 */ 54 AC_FUNC_ATTR_LEGACY = (1u << 31), 55 }; 56 57 enum ac_target_machine_options { 58 AC_TM_SUPPORTS_SPILL = (1 << 0), 59 AC_TM_SISCHED = (1 << 1), 60 AC_TM_FORCE_ENABLE_XNACK = (1 << 2), 61 AC_TM_FORCE_DISABLE_XNACK = (1 << 3), 62 AC_TM_PROMOTE_ALLOCA_TO_SCRATCH = (1 << 4), 63 }; 64 65 enum ac_float_mode { 66 AC_FLOAT_MODE_DEFAULT, 67 AC_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH, 68 AC_FLOAT_MODE_UNSAFE_FP_MATH, 69 }; 70 71 const char *ac_get_llvm_processor_name(enum radeon_family family); 72 LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family, enum ac_target_machine_options tm_options); 73 74 LLVMTargetRef ac_get_llvm_target(const char *triple); 75 void ac_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes); 76 bool ac_is_sgpr_param(LLVMValueRef param); 77 void ac_add_function_attr(LLVMContextRef ctx, LLVMValueRef function, 78 int attr_idx, enum ac_func_attr attr); 79 void ac_add_func_attributes(LLVMContextRef ctx, LLVMValueRef function, 80 unsigned attrib_mask); 81 void ac_dump_module(LLVMModuleRef module); 82 83 LLVMValueRef ac_llvm_get_called_value(LLVMValueRef call); 84 bool ac_llvm_is_function(LLVMValueRef v); 85 86 LLVMBuilderRef ac_create_builder(LLVMContextRef ctx, 87 enum ac_float_mode float_mode); 88 89 void 90 ac_llvm_add_target_dep_function_attr(LLVMValueRef F, 91 const char *name, int value); 92 93 static inline unsigned 94 ac_get_load_intr_attribs(bool can_speculate) 95 { 96 /* READNONE means writes can't affect it, while READONLY means that 97 * writes can affect it. */ 98 return can_speculate && HAVE_LLVM >= 0x0400 ? 99 AC_FUNC_ATTR_READNONE : 100 AC_FUNC_ATTR_READONLY; 101 } 102 103 static inline unsigned 104 ac_get_store_intr_attribs(bool writeonly_memory) 105 { 106 return writeonly_memory && HAVE_LLVM >= 0x0400 ? 107 AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY : 108 AC_FUNC_ATTR_WRITEONLY; 109 } 110 111 #ifdef __cplusplus 112 } 113 #endif 114 115 #endif /* AC_LLVM_UTIL_H */ 116
