File size: 2,248 Bytes
3bb804c
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
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()