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* Copyright 2016 Bas Nieuwenhuizen
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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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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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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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#ifndef AC_LLVM_UTIL_H
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#define AC_LLVM_UTIL_H
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#include "amd_family.h"
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#include "util/macros.h"
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#include <llvm-c/TargetMachine.h>
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#include <llvm/Config/llvm-config.h>
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struct ac_compiler_passes;
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struct ac_llvm_context;
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AC_FUNC_ATTR_ALWAYSINLINE = (1 << 0),
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AC_FUNC_ATTR_INREG = (1 << 2),
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AC_FUNC_ATTR_NOALIAS = (1 << 3),
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AC_FUNC_ATTR_NOUNWIND = (1 << 4),
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AC_FUNC_ATTR_READNONE = (1 << 5),
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AC_FUNC_ATTR_READONLY = (1 << 6),
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AC_FUNC_ATTR_WRITEONLY = (1 << 7),
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AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY = (1 << 8),
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AC_FUNC_ATTR_CONVERGENT = (1 << 9),
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/* Legacy intrinsic that needs attributes on function declarations
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* and they must match the internal LLVM definition exactly, otherwise
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* intrinsic selection fails.
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AC_FUNC_ATTR_LEGACY = (1u << 31),
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enum ac_target_machine_options
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AC_TM_SUPPORTS_SPILL = 1 << 0,
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AC_TM_CHECK_IR = 1 << 1,
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AC_TM_CREATE_LOW_OPT = 1 << 2,
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AC_FLOAT_MODE_DEFAULT,
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AC_FLOAT_MODE_DEFAULT_OPENGL,
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AC_FLOAT_MODE_DENORM_FLUSH_TO_ZERO,
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/* Per-thread persistent LLVM objects. */
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struct ac_llvm_compiler {
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LLVMTargetLibraryInfoRef target_library_info;
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LLVMPassManagerRef passmgr;
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/* Default compiler. */
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LLVMTargetMachineRef tm;
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struct ac_compiler_passes *passes;
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/* Optional compiler for faster compilation with fewer optimizations.
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* LLVM modules can be created with "tm" too. There is no difference.
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LLVMTargetMachineRef low_opt_tm; /* uses -O1 instead of -O2 */
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struct ac_compiler_passes *low_opt_passes;
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const char *ac_get_llvm_processor_name(enum radeon_family family);
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void ac_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes);
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void ac_add_attr_alignment(LLVMValueRef val, uint64_t bytes);
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bool ac_is_sgpr_param(LLVMValueRef param);
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void ac_add_function_attr(LLVMContextRef ctx, LLVMValueRef function, int attr_idx,
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enum ac_func_attr attr);
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void ac_add_func_attributes(LLVMContextRef ctx, LLVMValueRef function, unsigned attrib_mask);
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void ac_dump_module(LLVMModuleRef module);
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LLVMValueRef ac_llvm_get_called_value(LLVMValueRef call);
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bool ac_llvm_is_function(LLVMValueRef v);
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LLVMModuleRef ac_create_module(LLVMTargetMachineRef tm, LLVMContextRef ctx);
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LLVMBuilderRef ac_create_builder(LLVMContextRef ctx, enum ac_float_mode float_mode);
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void ac_enable_signed_zeros(struct ac_llvm_context *ctx);
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void ac_disable_signed_zeros(struct ac_llvm_context *ctx);
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void ac_llvm_add_target_dep_function_attr(LLVMValueRef F, const char *name, unsigned value);
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void ac_llvm_set_workgroup_size(LLVMValueRef F, unsigned size);
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void ac_llvm_set_target_features(LLVMValueRef F, struct ac_llvm_context *ctx);
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static inline unsigned ac_get_load_intr_attribs(bool can_speculate)
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/* READNONE means writes can't affect it, while READONLY means that
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* writes can affect it. */
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return can_speculate ? AC_FUNC_ATTR_READNONE : AC_FUNC_ATTR_READONLY;
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LLVMTargetLibraryInfoRef ac_create_target_library_info(const char *triple);
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void ac_dispose_target_library_info(LLVMTargetLibraryInfoRef library_info);
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PUBLIC void ac_init_shared_llvm_once(void); /* Do not use directly, use ac_init_llvm_once */
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void ac_init_llvm_once(void);
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bool ac_init_llvm_compiler(struct ac_llvm_compiler *compiler, enum radeon_family family,
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enum ac_target_machine_options tm_options);
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void ac_destroy_llvm_compiler(struct ac_llvm_compiler *compiler);
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struct ac_compiler_passes *ac_create_llvm_passes(LLVMTargetMachineRef tm);
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void ac_destroy_llvm_passes(struct ac_compiler_passes *p);
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bool ac_compile_module_to_elf(struct ac_compiler_passes *p, LLVMModuleRef module,
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char **pelf_buffer, size_t *pelf_size);
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void ac_llvm_add_barrier_noop_pass(LLVMPassManagerRef passmgr);
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static inline bool ac_has_vec3_support(enum chip_class chip, bool use_format)
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/* GFX6 only supports vec3 with load/store format. */
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return chip != GFX6 || use_format;
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#endif /* AC_LLVM_UTIL_H */