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from ctypes import c_uint
from llvmlite.binding import ffi
def initialize():
"""
Initialize the LLVM core (deprecated).
This function is deprecated and will raise an error when called.
LLVM initialization is now handled automatically and no longer
requires explicit initialization calls.
Raises:
RuntimeError: Always raised as this function is no longer needed.
"""
raise RuntimeError(
"llvmlite.binding.initialize() is deprecated and will be removed. "
"LLVM initialization is now handled automatically. "
"Please remove calls to this function from your code and check for "
"other behavioral changes that may have occurred due to LLVM updates."
)
def initialize_all_targets():
"""
Initialize all targets. Necessary before targets can be looked up
via the :class:`Target` class.
"""
ffi.lib.LLVMPY_InitializeAllTargetInfos()
ffi.lib.LLVMPY_InitializeAllTargets()
ffi.lib.LLVMPY_InitializeAllTargetMCs()
def initialize_all_asmprinters():
"""
Initialize all code generators. Necessary before generating
any assembly or machine code via the :meth:`TargetMachine.emit_object`
and :meth:`TargetMachine.emit_assembly` methods.
"""
ffi.lib.LLVMPY_InitializeAllAsmPrinters()
def initialize_native_target():
"""
Initialize the native (host) target. Necessary before doing any
code generation.
"""
ffi.lib.LLVMPY_InitializeNativeTarget()
def initialize_native_asmprinter():
"""
Initialize the native ASM printer.
"""
ffi.lib.LLVMPY_InitializeNativeAsmPrinter()
def initialize_native_asmparser():
"""
Initialize the native ASM parser.
"""
ffi.lib.LLVMPY_InitializeNativeAsmParser()
def shutdown():
ffi.lib.LLVMPY_Shutdown()
# =============================================================================
# Set function FFI
ffi.lib.LLVMPY_GetVersionInfo.restype = c_uint
def _version_info():
v = []
x = ffi.lib.LLVMPY_GetVersionInfo()
while x:
v.append(x & 0xff)
x >>= 8
return tuple(reversed(v))
llvm_version_info = _version_info()
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