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/*
* Copyright 2016 Bas Nieuwenhuizen
*
* 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 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
* THE COPYRIGHT HOLDERS, AUTHORS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
#ifndef AC_LLVM_UTIL_H
#define AC_LLVM_UTIL_H
#include <stdbool.h>
#include <llvm-c/TargetMachine.h>
#include "amd_family.h"
#ifdef __cplusplus
extern "C" {
#endif
struct ac_shader_binary;
struct ac_compiler_passes;
enum ac_func_attr {
AC_FUNC_ATTR_ALWAYSINLINE = (1 << 0),
AC_FUNC_ATTR_INREG = (1 << 2),
AC_FUNC_ATTR_NOALIAS = (1 << 3),
AC_FUNC_ATTR_NOUNWIND = (1 << 4),
AC_FUNC_ATTR_READNONE = (1 << 5),
AC_FUNC_ATTR_READONLY = (1 << 6),
AC_FUNC_ATTR_WRITEONLY = (1 << 7),
AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY = (1 << 8),
AC_FUNC_ATTR_CONVERGENT = (1 << 9),
/* Legacy intrinsic that needs attributes on function declarations
* and they must match the internal LLVM definition exactly, otherwise
* intrinsic selection fails.
*/
AC_FUNC_ATTR_LEGACY = (1u << 31),
};
enum ac_target_machine_options {
AC_TM_SUPPORTS_SPILL = (1 << 0),
AC_TM_SISCHED = (1 << 1),
AC_TM_FORCE_ENABLE_XNACK = (1 << 2),
AC_TM_FORCE_DISABLE_XNACK = (1 << 3),
AC_TM_PROMOTE_ALLOCA_TO_SCRATCH = (1 << 4),
AC_TM_CHECK_IR = (1 << 5),
};
enum ac_float_mode {
AC_FLOAT_MODE_DEFAULT,
AC_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH,
AC_FLOAT_MODE_UNSAFE_FP_MATH,
};
/* Per-thread persistent LLVM objects. */
struct ac_llvm_compiler {
LLVMTargetMachineRef tm;
LLVMTargetLibraryInfoRef target_library_info;
LLVMPassManagerRef passmgr;
struct ac_compiler_passes *passes;
};
const char *ac_get_llvm_processor_name(enum radeon_family family);
void ac_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes);
bool ac_is_sgpr_param(LLVMValueRef param);
void ac_add_function_attr(LLVMContextRef ctx, LLVMValueRef function,
int attr_idx, enum ac_func_attr attr);
void ac_add_func_attributes(LLVMContextRef ctx, LLVMValueRef function,
unsigned attrib_mask);
void ac_dump_module(LLVMModuleRef module);
LLVMValueRef ac_llvm_get_called_value(LLVMValueRef call);
bool ac_llvm_is_function(LLVMValueRef v);
LLVMModuleRef ac_create_module(LLVMTargetMachineRef tm, LLVMContextRef ctx);
LLVMBuilderRef ac_create_builder(LLVMContextRef ctx,
enum ac_float_mode float_mode);
void
ac_llvm_add_target_dep_function_attr(LLVMValueRef F,
const char *name, unsigned value);
static inline unsigned
ac_get_load_intr_attribs(bool can_speculate)
{
/* READNONE means writes can't affect it, while READONLY means that
* writes can affect it. */
return can_speculate ? AC_FUNC_ATTR_READNONE :
AC_FUNC_ATTR_READONLY;
}
static inline unsigned
ac_get_store_intr_attribs(bool writeonly_memory)
{
return writeonly_memory ? AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY :
AC_FUNC_ATTR_WRITEONLY;
}
unsigned
ac_count_scratch_private_memory(LLVMValueRef function);
LLVMTargetLibraryInfoRef ac_create_target_library_info(const char *triple);
void ac_dispose_target_library_info(LLVMTargetLibraryInfoRef library_info);
void ac_init_llvm_once(void);
bool ac_init_llvm_compiler(struct ac_llvm_compiler *compiler,
bool okay_to_leak_target_library_info,
enum radeon_family family,
enum ac_target_machine_options tm_options);
void ac_destroy_llvm_compiler(struct ac_llvm_compiler *compiler);
struct ac_compiler_passes *ac_create_llvm_passes(LLVMTargetMachineRef tm);
void ac_destroy_llvm_passes(struct ac_compiler_passes *p);
bool ac_compile_module_to_binary(struct ac_compiler_passes *p, LLVMModuleRef module,
struct ac_shader_binary *binary);
void ac_llvm_add_barrier_noop_pass(LLVMPassManagerRef passmgr);
#ifdef __cplusplus
}
#endif
#endif /* AC_LLVM_UTIL_H */
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