8fd7990ca0
git-svn-id: http://llvm-py.googlecode.com/svn/trunk@6 8d1e9007-1d4e-0410-b67e-1979fd6579aa
1363 lines
41 KiB
Python
1363 lines
41 KiB
Python
"""Core classes of LLVM.
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The llvm.core module contains classes and constants required to build the
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in-memory intermediate representation (IR) data structures."""
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import llvm # top-level, for common stuff
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import _core # C wrappers
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from _util import * # utility functions
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#===----------------------------------------------------------------------===
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# Enumerations
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#===----------------------------------------------------------------------===
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# type kinds
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TYPE_VOID = 0
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TYPE_FLOAT = 1
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TYPE_DOUBLE = 2
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TYPE_X86_FP80 = 3
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TYPE_FP128 = 4
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TYPE_PPC_FP128 = 5
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TYPE_LABEL = 6
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TYPE_INTEGER = 7
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TYPE_FUNCTION = 8
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TYPE_STRUCT = 9
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TYPE_ARRAY = 10
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TYPE_POINTER = 11
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TYPE_OPAQUE = 12
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TYPE_VECTOR = 13
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# calling conventions
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CC_C = 0
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CC_FASTCALL = 8
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CC_COLDCALL = 9
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CC_X86_STDCALL = 64
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CC_X86_FASTCALL = 65
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# int predicates
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IPRED_EQ = 32
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IPRED_NE = 33
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IPRED_UGT = 34
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IPRED_UGE = 35
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IPRED_ULT = 36
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IPRED_ULE = 37
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IPRED_SGT = 38
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IPRED_SGE = 39
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IPRED_SLT = 40
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IPRED_SLE = 41
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# real predicates
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RPRED_FALSE = 0
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RPRED_OEQ = 1
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RPRED_OGT = 2
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RPRED_OGE = 3
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RPRED_OLT = 4
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RPRED_OLE = 5
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RPRED_ONE = 6
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RPRED_ORD = 7
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RPRED_UNO = 8
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RPRED_UEQ = 9
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RPRED_UGT = 10
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RPRED_UGE = 11
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RPRED_ULT = 12
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RPRED_ULE = 13
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RPRED_UNE = 14
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RPRED_TRUE = 15
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# linkages
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LINKAGE_EXTERNAL = 0
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LINKAGE_LINKONCE = 1
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LINKAGE_WEAK = 2
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LINKAGE_APPENDING = 3
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LINKAGE_INTERNAL = 4
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LINKAGE_DLLIMPORT = 5
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LINKAGE_DLLEXPORT = 6
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LINKAGE_EXTERNAL_WEAK = 7
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LINKAGE_GHOST = 8
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# visibility
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VISIBILITY_DEFAULT = 0
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VISIBILITY_HIDDEN = 1
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VISIBILITY_PROTECTED = 2
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# parameter attributes
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ATTR_ZEXT = 1
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ATTR_SEXT = 2
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ATTR_NO_RETURN = 4
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ATTR_IN_REG = 8
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ATTR_STRUCT_RET = 16
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ATTR_NO_UNWIND = 32
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ATTR_NO_ALIAS = 64
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ATTR_BY_VAL = 128
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ATTR_NEST = 256
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ATTR_READ_NONE = 512
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ATTR_READONLY = 1024
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#===----------------------------------------------------------------------===
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# Module
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#===----------------------------------------------------------------------===
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class Module(llvm.Ownable):
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"""A Module instance stores all the information related to an LLVM module.
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Modules are the top level container of all other LLVM Intermediate
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Representation (IR) objects. Each module directly contains a list of
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globals variables, a list of functions, a list of libraries (or
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other modules) this module depends on, a symbol table, and various
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data about the target's characteristics.
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Construct a Module only using the static methods defined below, *NOT*
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using the constructor. A correct usage is:
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module_obj = Module.new('my_module')
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"""
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@staticmethod
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def new(id):
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"""Create a new Module instance.
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Creates an instance of Module, having the id `id'.
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"""
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return Module(_core.LLVMModuleCreateWithName(id))
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def __init__(self, ptr):
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"""DO NOT CALL DIRECTLY.
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Use the static method `Module.new' instead.
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"""
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llvm.Ownable.__init__(self, ptr, _core.LLVMDisposeModule)
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def __del__(self):
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llvm.Ownable.__del__(self)
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def __str__(self):
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"""Text representation of a module.
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Returns the textual representation (`llvm assembly') of the
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module. Use it like this:
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ll = str(module_obj)
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print module_obj # same as `print ll'
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"""
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return _core.LLVMDumpModuleToString(self.ptr)
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def __eq__(self, rhs):
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if isinstance(rhs, Module):
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return str(self) == str(rhs)
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else:
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return False
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def _get_target(self):
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return _core.LLVMGetTarget(self.ptr)
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def _set_target(self, value):
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return _core.LLVMSetTarget(self.ptr, value)
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target = property(_get_target, _set_target,
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"""The target triple string describing the target host."""
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)
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def _get_data_layout(self):
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return _core.LLVMGetDataLayout(self.ptr)
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def _set_data_layout(self, value):
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_core.LLVMSetDataLayout(self.ptr, value)
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data_layout = property(_get_data_layout, _set_data_layout,
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"""The data layout string for the module's target platform.
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The data layout strings is an encoded representation of
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the type sizes and alignments expected by this module.
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"""
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)
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def add_type_name(self, name, ty):
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"""Map a string to a type.
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Similar to C's struct/typedef declarations. Returns True
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if entry already existed (in which case nothing is changed),
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False otherwise.
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"""
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check_is_type(ty)
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return _core.LLVMAddTypeName(self.ptr, name, ty.ptr) != 0
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def delete_type_name(self, name):
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"""Removes a named type.
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Undoes what add_type_name() does.
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"""
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_core.LLVMDeleteTypeName(self.ptr, name)
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def add_global_variable(self, ty, name):
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"""Add a global variable of given type with given name."""
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return GlobalVariable.new(self, ty, name)
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def get_global_variable_named(self, name):
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"""Return a GlobalVariable object for the given name."""
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return GlobalVariable.get(self, name)
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@property
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def global_variables(self):
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"""All global variables in this module.
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This property returns a generator that yields GlobalVariable
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objects. Use it like this:
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for gv in module_obj.global_variables:
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# gv is an instance of GlobalVariable
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# do stuff with gv
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"""
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return wrapiter(_core.LLVMGetFirstGlobal, _core.LLVMGetNextGlobal,
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self.ptr, GlobalVariable)
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def add_function(self, ty, name):
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"""Add a function of given type with given name."""
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return Function.new(self, ty, name)
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def get_function_named(self, name):
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"""Return a Function object representing function with given name."""
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return Function.get(self, name)
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@property
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def functions(self):
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"""All functions in this module.
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This property returns a generator that yields Function objects.
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Use it like this:
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for f in module_obj.functions:
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# f is an instance of Function
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# do stuff with f
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"""
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return wrapiter(_core.LLVMGetFirstFunction,
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_core.LLVMGetNextFunction, self.ptr, Function)
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def verify(self):
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ret = _core.LLVMVerifyModule(self.ptr)
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if ret != "":
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raise llvm.LLVMException, ret
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#===----------------------------------------------------------------------===
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# Types
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#===----------------------------------------------------------------------===
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class Type(object):
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"""Represents a type, like a 32-bit integer or an 80-bit x86 float.
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Use one of the static methods to create an instance. Example:
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ty = Type.double()
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"""
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@staticmethod
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def int(bits=32):
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"""Create an integer type having the given bit width."""
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if bits == 1:
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return _make_type(_core.LLVMInt1Type(), TYPE_INTEGER)
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elif bits == 8:
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return _make_type(_core.LLVMInt8Type(), TYPE_INTEGER)
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elif bits == 16:
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return _make_type(_core.LLVMInt16Type(), TYPE_INTEGER)
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elif bits == 32:
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return _make_type(_core.LLVMInt32Type(), TYPE_INTEGER)
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elif bits == 64:
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return _make_type(_core.LLVMInt64Type(), TYPE_INTEGER)
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else:
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return _make_type(_core.LLVMIntType(bits), TYPE_INTEGER)
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@staticmethod
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def float():
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"""Create a 32-bit floating point type."""
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return _make_type(_core.LLVMFloatType(), TYPE_FLOAT)
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@staticmethod
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def double():
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"""Create a 64-bit floating point type."""
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return _make_type(_core.LLVMDoubleType(), TYPE_DOUBLE)
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@staticmethod
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def x86_fp80():
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"""Create a 80-bit x86 floating point type."""
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return _make_type(_core.LLVMX86FP80Type(), TYPE_X86_FP80)
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@staticmethod
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def fp128():
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"""Create a 128-bit floating point type (with 112-bit
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mantissa)."""
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return _make_type(_core.LLVMFP128Type(), TYPE_FP128)
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@staticmethod
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def ppc_fp128():
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"""Create a 128-bit floating point type (two 64-bits)."""
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return _make_type(_core.LLVMPPCFP128Type(), TYPE_PPC_FP128)
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@staticmethod
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def function(return_ty, param_tys, var_arg=False):
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"""Create a function type.
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Creates a function type that returns a value of type
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`return_ty', takes arguments of types as given in the iterable
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`param_tys'. Set `var_arg' to True (default is False) for a
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variadic function."""
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check_is_type(return_ty)
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var_arg = 1 if var_arg else 0 # convert to int
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params = unpack_types(param_tys)
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return _make_type(_core.LLVMFunctionType(return_ty.ptr, params, var_arg), TYPE_FUNCTION)
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@staticmethod
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def struct(element_tys): # not packed
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"""Create a (unpacked) structure type.
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Creates a structure type with elements of types as given in the
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iterable `element_tys'. This method creates a unpacked
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structure. For a packed one, use packed_struct() method."""
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elems = unpack_types(element_tys)
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return _make_type(_core.LLVMStructType(elems, 0), TYPE_STRUCT)
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@staticmethod
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def packed_struct(element_tys):
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"""Create a (packed) structure type.
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Creates a structure type with elements of types as given in the
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iterable `element_tys'. This method creates a packed
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structure. For an unpacked one, use struct() method."""
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elems = unpack_types(element_tys)
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return _make_type(_core.LLVMStructType(elems, 1), TYPE_STRUCT)
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@staticmethod
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def array(element_ty, count):
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check_is_type(element_ty)
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return _make_type(_core.LLVMArrayType(element_ty.ptr, count), TYPE_ARRAY)
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@staticmethod
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def pointer(pointee_ty, addr_space=0):
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check_is_type(pointee_ty)
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return _make_type(_core.LLVMPointerType(pointee_ty.ptr, addr_space), TYPE_POINTER)
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@staticmethod
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def vector(element_ty, count):
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check_is_type(element_ty)
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return _make_type(_core.LLVMVectorType(element_ty.ptr, count), TYPE_VECTOR)
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@staticmethod
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def void():
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return _make_type(_core.LLVMVoidType(), TYPE_VOID)
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@staticmethod
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def label():
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return _make_type(_core.LLVMLabelType(), TYPE_LABEL)
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@staticmethod
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def opaque():
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return _make_type(_core.LLVMOpaqueType(), TYPE_OPAQUE)
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def __init__(self, ptr, kind):
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self.ptr = ptr
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self.kind = kind
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def __str__(self):
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return _core.LLVMDumpTypeToString(self.ptr)
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def __eq__(self, rhs):
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if isinstance(rhs, Type):
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return str(self) == str(rhs)
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else:
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return False
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def refine(self, dest):
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"""Refine the abstract type represented by self to a concrete class.
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This object is no longer valid after refining, so do not hold references
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to it after calling."""
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check_is_type(dest)
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_core.LLVMRefineType(self.ptr, dest.ptr)
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self.ptr = None
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class IntegerType(Type):
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def __init__(self, ptr, kind):
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Type.__init__(self, ptr, kind)
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@property
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def width(self):
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return _core.LLVMGetIntTypeWidth(self.ptr)
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class FunctionType(Type):
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def __init__(self, ptr, kind):
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Type.__init__(self, ptr, kind)
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@property
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def return_type(self):
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ptr = _core.LLVMGetReturnType(self.ptr)
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kind = _core.LLVMGetTypeKind(ptr)
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return _make_type(ptr, kind)
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@property
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def vararg(self):
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return _core.LLVMIsFunctionVarArg(self.ptr) != 0
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@property
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def args(self):
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pp = _core.LLVMGetFunctionTypeParams(self.ptr)
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return [ _make_type(p, _core.LLVMGetTypeKind(p)) for p in pp ]
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@property
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def arg_count(self):
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return _core.LLVMCountParamTypes(self.ptr)
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class StructType(Type):
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def __init__(self, ptr, kind):
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Type.__init__(self, ptr, kind)
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@property
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def element_count(self):
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return _core.LLVMCountStructElementTypes(self.ptr)
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@property
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def element_types(self):
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pp = _core.LLVMGetStructElementTypes(self.ptr)
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return [ _make_type(p, _core.LLVMGetTypeKind(p)) for p in pp ]
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@property
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def packed(self):
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return _core.LLVMIsPackedStruct(self.ptr) != 0
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class ArrayType(Type):
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def __init__(self, ptr, kind):
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Type.__init__(self, ptr, kind)
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@property
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def element_type(self):
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ptr = _core.LLVMGetElementType(self.ptr)
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kind = _core.LLVMGetTypeKind(ptr)
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return _make_type(ptr, kind)
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@property
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def element_count(self):
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return _core.LLVMGetArrayLength(self.ptr)
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class PointerType(Type):
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def __init__(self, ptr, kind):
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Type.__init__(self, ptr, kind)
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@property
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def address_space(self):
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return _core.LLVMGetPointerAddressSpace(self.ptr)
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class VectorType(Type):
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def __init__(self, ptr, kind):
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Type.__init__(self, ptr, kind)
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@property
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def element_type(self):
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ptr = _core.LLVMGetElementType(self.ptr)
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kind = _core.LLVMGetTypeKind(ptr)
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return _make_type(ptr, kind)
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@property
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def element_count(self):
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return _core.LLVMGetVectorSize(self.ptr)
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def _make_type(ptr, kind):
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if kind == TYPE_INTEGER:
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return IntegerType(ptr, kind)
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elif kind == TYPE_FUNCTION:
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return FunctionType(ptr, kind)
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elif kind == TYPE_STRUCT:
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return StructType(ptr, kind)
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elif kind == TYPE_ARRAY:
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return ArrayType(ptr, kind)
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elif kind == TYPE_POINTER:
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return PointerType(ptr, kind)
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elif kind == TYPE_VECTOR:
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return VectorType(ptr, kind)
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else:
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return Type(ptr, kind)
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#===----------------------------------------------------------------------===
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# Type Handle
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#===----------------------------------------------------------------------===
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class TypeHandle(object):
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@staticmethod
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def new(abstract_ty):
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check_is_type(abstract_ty)
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return TypeHandle(_core.LLVMCreateTypeHandle(abstract_ty.ptr))
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def __init__(self, ptr):
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self.ptr = ptr
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def __del__(self):
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_core.LLVMDisposeTypeHandle(self.ptr)
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@property
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def type(self):
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ptr = _core.LLVMResolveTypeHandle(self.ptr)
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return _make_type(ptr, _core.LLVMGetTypeKind(ptr))
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#===----------------------------------------------------------------------===
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# Values
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#===----------------------------------------------------------------------===
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class Value(object):
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def __init__(self, ptr):
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self.ptr = ptr
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def __str__(self):
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return _core.LLVMDumpValueToString(self.ptr)
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def __eq__(self, rhs):
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if isinstance(rhs, Value):
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return str(self) == str(rhs)
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else:
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return False
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def get_name(self):
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return _core.LLVMGetValueName(self.ptr)
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def set_name(self, value):
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return _core.LLVMSetValueName(self.ptr, value)
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name = property(get_name, set_name)
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@property
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def type(self):
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ptr = _core.LLVMTypeOf(self.ptr)
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kind = _core.LLVMGetTypeKind(ptr)
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return _make_type(ptr, kind)
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class Constant(Value):
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@staticmethod
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def null(ty):
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check_is_type(ty)
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return Constant(_core.LLVMConstNull(ty.ptr));
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@staticmethod
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def all_ones(ty):
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check_is_type(ty)
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return Constant(_core.LLVMConstAllOnes(ty.ptr));
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@staticmethod
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def undef(ty):
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check_is_type(ty)
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return Constant(_core.LLVMGetUndef(ty.ptr));
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@staticmethod
|
|
def int(ty, value):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstInt(ty.ptr, value, 0))
|
|
|
|
@staticmethod
|
|
def int_signextend(ty, value):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstInt(ty.ptr, value, 1))
|
|
|
|
@staticmethod
|
|
def real(ty, value):
|
|
check_is_type(ty)
|
|
if isinstance(value, str):
|
|
return Constant(_core.LLVMConstRealOfString(ty.ptr, value))
|
|
else:
|
|
return Constant(_core.LLVMConstReal(ty.ptr, value))
|
|
|
|
@staticmethod
|
|
def string(strval): # dont_null_terminate=True
|
|
return Constant(_core.LLVMConstString(strval, 1))
|
|
|
|
@staticmethod
|
|
def stringz(strval): # dont_null_terminate=False
|
|
return Constant(_core.LLVMConstString(strval, 0))
|
|
|
|
@staticmethod
|
|
def array(ty, consts):
|
|
check_is_type(ty)
|
|
const_ptrs = unpack_constants(consts)
|
|
return Constant(_core.LLVMConstArray(ty.ptr, const_ptrs))
|
|
|
|
@staticmethod
|
|
def struct(consts): # not packed
|
|
const_ptrs = unpack_constants(consts)
|
|
return Constant(_core.LLVMConstStruct(consts, 0))
|
|
|
|
@staticmethod
|
|
def packed_struct(consts):
|
|
const_ptrs = unpack_constants(consts)
|
|
return Constant(_core.LLVMConstStruct(consts, 1))
|
|
|
|
@staticmethod
|
|
def vector(consts):
|
|
const_ptrs = unpack_constants(consts)
|
|
return Constant(_core.LLVMConstVector(const_ptrs))
|
|
|
|
@staticmethod
|
|
def sizeof(ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMSizeOf(ty.ptr))
|
|
|
|
def __init__(self, ptr):
|
|
Value.__init__(self, ptr)
|
|
|
|
def neg(self):
|
|
return Constant(_core.LLVMConstNeg(self.ptr))
|
|
|
|
def not_(self):
|
|
return Constant(_core.LLVMConstNot(self.ptr))
|
|
|
|
def add(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstAdd(self.ptr, rhs.ptr))
|
|
|
|
def sub(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstSub(self.ptr, rhs.ptr))
|
|
|
|
def mul(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstMul(self.ptr, rhs.ptr))
|
|
|
|
def udiv(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstUDiv(self.ptr, rhs.ptr))
|
|
|
|
def sdiv(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstSDiv(self.ptr, rhs.ptr))
|
|
|
|
def fdiv(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstFDiv(self.ptr, rhs.ptr))
|
|
|
|
def urem(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstURem(self.ptr, rhs.ptr))
|
|
|
|
def srem(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstSRem(self.ptr, rhs.ptr))
|
|
|
|
def and_(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstAnd(self.ptr, rhs.ptr))
|
|
|
|
def or_(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstOr(self.ptr, rhs.ptr))
|
|
|
|
def xor(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstXor(self.ptr, rhs.ptr))
|
|
|
|
def icmp(self, int_pred, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstICmp(self.ptr, int_pred, rhs.ptr))
|
|
|
|
def fcmp(self, real_pred, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstFCmp(self.ptr, real_pred, rhs.ptr))
|
|
|
|
def shl(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstShl(self.ptr, rhs.ptr))
|
|
|
|
def lshr(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstLShr(self.ptr, rhs.ptr))
|
|
|
|
def ashr(self, rhs):
|
|
check_is_constant(rhs)
|
|
return Constant(_core.LLVMConstAShr(self.ptr, rhs.ptr))
|
|
|
|
def gep(self, indices):
|
|
index_ptrs = unpack_constants(indices)
|
|
return Constant(_core.LLVMConstGEP(self.ptr, index_ptrs))
|
|
|
|
def trunc(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstTrunc(self.ptr, ty.ptr))
|
|
|
|
def sext(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstSExt(self.ptr, ty.ptr))
|
|
|
|
def zext(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstZExt(self.ptr, ty.ptr))
|
|
|
|
def fptrunc(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstFPTrunc(self.ptr, ty.ptr))
|
|
|
|
def fpext(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstFPExt(self.ptr, ty.ptr))
|
|
|
|
def uitofp(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstUIToFP(self.ptr, ty.ptr))
|
|
|
|
def sitofp(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstSIToFP(self.ptr, ty.ptr))
|
|
|
|
def fptoui(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstFPToUI(self.ptr, ty.ptr))
|
|
|
|
def fptosi(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstFPToSI(self.ptr, ty.ptr))
|
|
|
|
def ptrtoint(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstPtrToInt(self.ptr, ty.ptr))
|
|
|
|
def inttoptr(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstIntToPtr(self.ptr, ty.ptr))
|
|
|
|
def bitcast(self, ty):
|
|
check_is_type(ty)
|
|
return Constant(_core.LLVMConstBitCast(self.ptr, ty.ptr))
|
|
|
|
def select(self, true_const, false_const):
|
|
check_is_constant(true_const)
|
|
check_is_constant(false_const)
|
|
return Constant(_core.LLVMConstSelect(self.ptr, true_const.ptr, false_const.ptr))
|
|
|
|
def extract(self, index): # note: self must be a _vector_ constant
|
|
check_is_constant(index)
|
|
return Constant(_core.LLVMConstExtractElement(self.ptr, index.ptr))
|
|
|
|
def insert(self, value, index): # note: self must be a _vector_ constant
|
|
check_is_constant(value)
|
|
check_is_constant(index)
|
|
return Constant(_core.LLVMConstInsertElement(self.ptr, value.ptr, index.ptr))
|
|
|
|
def shuffle(self, vector_b, mask): # note: self must be a _vector_ constant
|
|
check_is_constant(vector_b) # note: vector_b must be a _vector_ constant
|
|
check_is_constant(mask)
|
|
return Constant(_core.LLVMConstShuffleVector(self.ptr, vector_b.ptr, mask.ptr))
|
|
|
|
|
|
class GlobalValue(Constant):
|
|
|
|
def __init__(self, ptr):
|
|
Constant.__init__(self, ptr)
|
|
|
|
def get_linkage(self): return _core.LLVMGetLinkage(self.ptr)
|
|
def set_linkage(self, value): _core.LLVMSetLinkage(self.ptr, value)
|
|
linkage = property(get_linkage, set_linkage)
|
|
|
|
def get_section(self): return _core.LLVMGetSection(self.ptr)
|
|
def set_section(self, value): return _core.LLVMSetSection(self.ptr, value)
|
|
section = property(get_section, set_section)
|
|
|
|
def get_visibility(self): return _core.LLVMGetVisibility(self.ptr)
|
|
def set_visibility(self, value): return _core.LLVMSetVisibility(self.ptr, value)
|
|
visibility = property(get_visibility, set_visibility)
|
|
|
|
def get_alignment(self): return _core.LLVMGetAlignment(self.ptr)
|
|
def set_alignment(self, value): return _core.LLVMSetAlignment(self.ptr, value)
|
|
alignment = property(get_alignment, set_alignment)
|
|
|
|
@property
|
|
def is_declaration(self):
|
|
return _core.LLVMIsDeclaration(self.ptr)
|
|
|
|
@property
|
|
def module(self):
|
|
mod = Module(_core.LLVMGetGlobalParent(self.ptr))
|
|
owner = dummy_owner(mod)
|
|
return mod
|
|
|
|
|
|
class GlobalVariable(GlobalValue):
|
|
|
|
@staticmethod
|
|
def new(module, ty, name):
|
|
check_is_type(ty)
|
|
return GlobalVariable(_core.LLVMAddGlobal(module.ptr, ty.ptr, name))
|
|
|
|
@staticmethod
|
|
def get(module, name):
|
|
return GlobalVariable(_core.LLVMGetNamedGlobal(module.ptr, name))
|
|
|
|
def __init__(self, ptr):
|
|
GlobalValue.__init__(self, ptr)
|
|
|
|
def delete(self):
|
|
_core.LLVMDeleteGlobal(self.ptr)
|
|
self.ptr = None
|
|
|
|
def get_initializer(self):
|
|
if _core.LLVMHasInitializer(self.ptr):
|
|
return Constant(_core.LLVMGetInitializer(self.ptr))
|
|
else:
|
|
return None
|
|
|
|
def set_initializer(self, const):
|
|
check_is_constant(const)
|
|
_core.LLVMSetInitializer(self.ptr, const.ptr)
|
|
|
|
initializer = property(get_initializer, set_initializer)
|
|
|
|
def get_is_global_constant(self):
|
|
return _core.LLVMIsGlobalConstant(self.ptr)
|
|
|
|
def set_is_global_constant(self, value):
|
|
value = 1 if value else 0
|
|
_core.LLVMSetGlobalConstant(self.ptr, value)
|
|
|
|
global_constant = property(get_is_global_constant, set_is_global_constant)
|
|
|
|
|
|
class Argument(Value):
|
|
|
|
def __init__(self, ptr):
|
|
Value.__init__(self, ptr)
|
|
|
|
def add_attribute(self, attr):
|
|
_core.LLVMAddParamAttr(self.ptr, attr)
|
|
|
|
def remove_attribute(self, attr):
|
|
_core.LLVMRemoveParamAttr(self.ptr, attr)
|
|
|
|
def set_alignment(self, align):
|
|
_core.LLVMSetParamAlignment(self.ptr, align)
|
|
|
|
@property
|
|
def function(self):
|
|
return Function(_core.LLVMGetParamParent(self.ptr))
|
|
|
|
|
|
class Function(GlobalValue):
|
|
|
|
@staticmethod
|
|
def new(module, func_ty, name):
|
|
return Function(_core.LLVMAddFunction(module.ptr, name, func_ty.ptr))
|
|
|
|
@staticmethod
|
|
def get(module, name):
|
|
return Function(_core.LLVMGetNamedFunction(module.ptr, name))
|
|
|
|
def __init__(self, ptr):
|
|
GlobalValue.__init__(self, ptr)
|
|
|
|
def delete(self):
|
|
_core.LLVMDeleteFunction(self.ptr)
|
|
self.ptr = None
|
|
|
|
@property
|
|
def intrinsic_id(self):
|
|
return _core.LLVMGetIntrinsicID(self.ptr)
|
|
|
|
def get_calling_convention(self): return _core.LLVMGetFunctionCallConv(self.ptr)
|
|
def set_calling_convention(self, value): _core.LLVMSetFunctionCallConv(self.ptr, value)
|
|
calling_convention = property(get_calling_convention, set_calling_convention)
|
|
|
|
def get_collector(self): return _core.LLVMGetCollector(self.ptr)
|
|
def set_collector(self, value): _core.LLVMSetCollector(self.ptr, value)
|
|
collector = property(get_collector, set_collector)
|
|
|
|
@property
|
|
def args(self):
|
|
return wrapiter(_core.LLVMGetFirstParam, _core.LLVMGetNextParam,
|
|
self.ptr, Argument)
|
|
|
|
@property
|
|
def basic_block_count(self):
|
|
return _core.LLVMCountBasicBlocks(self.ptr)
|
|
|
|
def get_entry_basic_block(self):
|
|
return BasicBlock(_core.LLVMGetEntryBasicBlock(self.ptr))
|
|
|
|
def append_basic_block(self, name):
|
|
return BasicBlock(_core.LLVMAppendBasicBlock(self.ptr, name))
|
|
|
|
@property
|
|
def basic_blocks(self):
|
|
return wrapiter(_core.LLVMGetFirstBasicBlock,
|
|
_core.LLVMGetNextBasicBlock, self.ptr, BasicBlock)
|
|
|
|
def verify(self):
|
|
return _core.LLVMVerifyFunction(self.ptr) != 0
|
|
|
|
|
|
#===----------------------------------------------------------------------===
|
|
# Instruction
|
|
#===----------------------------------------------------------------------===
|
|
|
|
class Instruction(Value):
|
|
|
|
def __init__(self, ptr):
|
|
Value.__init__(self, ptr)
|
|
|
|
@property
|
|
def basic_block(self):
|
|
return BasicBlock(_core.LLVMGetInstructionParent(self.ptr))
|
|
|
|
|
|
class CallOrInvokeInstruction(Instruction):
|
|
|
|
def __init__(self, ptr):
|
|
Instruction.__init__(self, ptr)
|
|
|
|
def get_calling_convention(self): return _core.LLVMGetFunctionCallConv(self.ptr)
|
|
def set_calling_convention(self, value): _core.LLVMSetFunctionCallConv(self.ptr, value)
|
|
calling_convention = property(get_calling_convention, set_calling_convention)
|
|
|
|
def add_parameter_attribute(self, idx, attr):
|
|
_core.LLVMAddInstrParamAttr(self.ptr, idx, attr)
|
|
|
|
def remove_parameter_attribute(self, idx, attr):
|
|
_core.LLVMRemoveInstrParamAttr(self.ptr, idx, attr)
|
|
|
|
def set_parameter_alignment(self, idx, align):
|
|
_core.LLVMSetInstrParamAlignment(self.ptr, idx, align)
|
|
|
|
|
|
class PHINode(Instruction):
|
|
|
|
def __init__(self, ptr):
|
|
Instruction.__init__(self, ptr)
|
|
|
|
@property
|
|
def incoming_count(self):
|
|
return _core.LLVMCountIncoming(self.ptr)
|
|
|
|
def add_incoming(self, value, block):
|
|
check_is_value(value)
|
|
check_is_basic_block(block)
|
|
_core.LLVMAddIncoming1(self.ptr, value.ptr, block.ptr)
|
|
|
|
def get_incoming_value(self, idx):
|
|
return Value(_core.LLVMGetIncomingValue(self.ptr, idx))
|
|
|
|
def get_incoming_block(self, idx):
|
|
return BasicBlock(_core.LLVMGetIncomingBlock(self.ptr, idx))
|
|
|
|
|
|
class SwitchInstruction(Instruction):
|
|
|
|
def __init__(self, ptr):
|
|
Instruction.__init__(self, ptr)
|
|
|
|
def add_case(self, const, bblk):
|
|
check_is_constant(const) # and has to be an int too
|
|
check_is_basic_block(bblk)
|
|
_core.LLVMAddCase(self.ptr, const.ptr, bblk.ptr)
|
|
|
|
|
|
#===----------------------------------------------------------------------===
|
|
# Basic block
|
|
#===----------------------------------------------------------------------===
|
|
|
|
|
|
class BasicBlock(Value):
|
|
|
|
def __init__(self, ptr):
|
|
self.ptr = ptr
|
|
|
|
def insert_before(self, name):
|
|
return BasicBlock(_core.LLVMInsertBasicBlock(self.ptr, name))
|
|
|
|
def delete(self):
|
|
_core.LLVMDeleteBasicBlock(self.ptr)
|
|
self.ptr = None
|
|
|
|
@property
|
|
def function(self):
|
|
return Function(_core.LLVMGetBasicBlockParent(self.ptr))
|
|
|
|
@property
|
|
def instructions(self):
|
|
return wrapiter(_core.LLVMGetFirstInstruction,
|
|
_core.LLVMGetNextInstruction, self.ptr, Instruction)
|
|
|
|
|
|
#===----------------------------------------------------------------------===
|
|
# Builder
|
|
#===----------------------------------------------------------------------===
|
|
|
|
|
|
class Builder(object):
|
|
|
|
@staticmethod
|
|
def new():
|
|
return Builder(_core.LLVMCreateBuilder())
|
|
|
|
def __init__(self, ptr):
|
|
self.ptr = ptr
|
|
|
|
def __del__(self):
|
|
_core.LLVMDisposeBuilder(self.ptr)
|
|
|
|
def position(self, block, instr=None):
|
|
if instr:
|
|
_core.LLVMPositionBuilder(self.ptr, block.ptr, instr.ptr)
|
|
else:
|
|
_core.LLVMPositionBuilder(self.ptr, block.ptr)
|
|
|
|
def position_before(self, instr):
|
|
_core.LLVMPositionBuilderBefore(self.ptr, instr.ptr)
|
|
|
|
def position_at_end(self, bblk):
|
|
_core.LLVMPositionBuilderAtEnd(self.ptr, bblk.ptr)
|
|
|
|
@property
|
|
def insert_block(self):
|
|
return BasicBlock(_core.LLVMGetInsertBlock(self.ptr))
|
|
|
|
def ret_void(self):
|
|
return Instruction(_core.LLVMBuildRetVoid(self.ptr))
|
|
|
|
def ret(self, value):
|
|
check_is_value(value)
|
|
return Instruction(_core.LLVMBuildRet(self.ptr, value.ptr))
|
|
|
|
def branch(self, bblk):
|
|
check_is_basic_block(bblk)
|
|
return Instruction(_core.LLVMBuildBr(self.ptr, bblk.ptr))
|
|
|
|
def cbranch(self, if_value, then_blk, else_blk):
|
|
check_is_value(if_value)
|
|
check_is_basic_block(then_blk)
|
|
check_is_basic_block(else_blk)
|
|
return Instruction(_core.LLVMBuildCondBr(self.ptr, if_value.ptr, then_blk.ptr, else_blk.ptr))
|
|
|
|
def switch(self, value, else_blk, n=10):
|
|
check_is_value(value) # value has to be of any 'int' type
|
|
check_is_basic_block(else_blk)
|
|
return SwitchInstruction(_core.LLVMBuildSwitch(self.ptr, value.ptr, else_blk.ptr, n))
|
|
|
|
def invoke(self, func, args, then_blk, catch_blk, name=""):
|
|
check_is_function(func)
|
|
check_is_basic_block(then_blk)
|
|
check_is_basic_block(catch_blk)
|
|
args2 = unpack_values(args)
|
|
return CallOrInvokeInstruction(_core.LLVMBuildInvoke(self.ptr, func.ptr, args2, then_blk.ptr, catch_blk.ptr, name))
|
|
|
|
def unwind(self):
|
|
return Instruction(_core.LLVMBuildUnwind(self.ptr))
|
|
|
|
def unreachable(self):
|
|
return Instruction(_core.LLVMBuildUnreachable(self.ptr))
|
|
|
|
# arithmethic-related
|
|
|
|
def add(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildAdd(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def sub(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildSub(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def mul(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildMul(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def udiv(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildUDiv(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def sdiv(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildSDiv(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def fdiv(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildFDiv(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def urem(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildURem(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def srem(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildSRem(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def frem(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildFRem(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def shl(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildShl(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def lshr(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildLShr(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def ashr(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildAShr(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def and_(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildAnd(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def or_(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildOr(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def xor(self, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildXor(self.ptr, lhs.ptr, rhs.ptr, name))
|
|
|
|
def neg(self, val, name=""):
|
|
check_is_value(val)
|
|
return Instruction(_core.LLVMBuildNeg(self.ptr, val.ptr, name))
|
|
|
|
def not_(self, val, name=""):
|
|
check_is_value(val)
|
|
return Instruction(_core.LLVMBuildNot(self.ptr, val.ptr, name))
|
|
|
|
# memory
|
|
|
|
def malloc(self, ty, name=""):
|
|
check_is_type(ty)
|
|
return Instruction(_core.LLVMBuildMalloc(self.ptr, ty.ptr, name))
|
|
|
|
def malloc_array(self, ty, size, name=""):
|
|
check_is_type(ty)
|
|
check_is_value(size)
|
|
return Instruction(_core.LLVMBuildArrayMalloc(self.ptr, ty.ptr, size.ptr, name))
|
|
|
|
def alloca(self, ty, name=""):
|
|
check_is_type(ty)
|
|
return Instruction(_core.LLVMBuildAlloca(self.ptr, ty.ptr, name))
|
|
|
|
def alloca_array(self, ty, size, name=""):
|
|
check_is_type(ty)
|
|
check_is_value(size)
|
|
return Instruction(_core.LLVMBuildArrayAlloca(self.ptr, ty.ptr, size.ptr, name))
|
|
|
|
def free(self, ptr):
|
|
check_is_value(ptr)
|
|
return Instruction(_core.LLVMBuildFree(self.ptr, ptr.ptr))
|
|
|
|
def load(self, ptr, name=""):
|
|
check_is_value(ptr)
|
|
return Instruction(_core.LLVMBuildLoad(self.ptr, ptr.ptr, name))
|
|
|
|
def store(self, value, ptr):
|
|
check_is_value(value)
|
|
check_is_value(ptr)
|
|
return Instruction(_core.LLVMBuildStore(self.ptr, value.ptr, ptr.ptr))
|
|
|
|
def gep(self, ptr, indices, name=""):
|
|
check_is_value(ptr)
|
|
index_ptrs = unpack_values(indices)
|
|
return Value(_core.LLVMBuildGEP(self.ptr, ptr.ptr, index_ptrs, name))
|
|
|
|
# casts
|
|
|
|
def trunc(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildTrunc(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def zext(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildZExt(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def sext(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildSExt(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def fptoui(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildFPToUI(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def fptosi(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildFPToSI(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def uitofp(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildUIToFP(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def sitofp(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildSIToFP(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def fptrunc(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildFPTrunc(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def fpext(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildFPExt(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def ptrtoint(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildPtrToInt(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def inttoptr(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildIntToPtr(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
def bitcast(self, value, dest_ty, name=""):
|
|
check_is_value(value)
|
|
check_is_type(dest_ty)
|
|
return Value(_core.LLVMBuildBitCast(self.ptr, value.ptr, dest_ty.ptr, name))
|
|
|
|
# comparisons
|
|
|
|
def icmp(self, ipred, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildICmp(self.ptr, ipred, lhs.ptr, rhs.ptr, name))
|
|
|
|
def fcmp(self, rpred, lhs, rhs, name=""):
|
|
check_is_value(lhs)
|
|
check_is_value(rhs)
|
|
return Value(_core.LLVMBuildFCmp(self.ptr, rpred, lhs.ptr, rhs.ptr, name))
|
|
|
|
# misc
|
|
|
|
def phi(self, ty, name=""):
|
|
check_is_type(ty)
|
|
return PHINode(_core.LLVMBuildPhi(self.ptr, ty.ptr, name))
|
|
|
|
def call(self, fn, args, name=""):
|
|
check_is_function(fn)
|
|
arg_ptrs = unpack_values(args)
|
|
return CallOrInvokeInstruction(_core.LLVMBuildCall(self.ptr, fn.ptr, arg_ptrs, name))
|
|
|
|
def select(self, if_blk, then_blk, else_blk, name=""):
|
|
check_is_basic_block(if_blk)
|
|
check_is_basic_block(then_blk)
|
|
check_is_basic_block(else_blk)
|
|
return Value(_core.LLVMBuildSelect(self.ptr, if_blk.ptr, then_blk.ptr, else_blk.ptr, name))
|
|
|
|
def vaarg(self, list_val, ty, name=""):
|
|
check_is_value(list_val)
|
|
check_is_type(ty)
|
|
return Instruction(_core.LLVMBuildVAArg(self.ptr, list_val.ptr, ty.ptr, name))
|
|
|
|
def extract_element(self, vec_val, idx_val, name=""):
|
|
check_is_value(vec_val)
|
|
check_is_value(idx_val)
|
|
return Value(_core.LLVMBuildExtractElement(self.ptr, vec_val.ptr, idx_val.ptr, name))
|
|
|
|
def insert_element(self, vec_val, elt_val, idx_val, name=""):
|
|
check_is_value(vec_val)
|
|
check_is_value(elt_val)
|
|
check_is_value(idx_val)
|
|
return Value(_core.LLVMBuildInsertElement(self.ptr, vec_val.ptr, elt_val.ptr, idx_val.ptr, name))
|
|
|
|
def shuffle_vector(self, vecA, vecB, mask, name=""):
|
|
check_is_value(vecA)
|
|
check_is_value(vecB)
|
|
check_is_value(mask)
|
|
return Value(_core.LLVMBuildShuffleVector(self.ptr, vecA.ptr, vecB.ptr, mask.ptr, name))
|
|
|
|
|
|
#===----------------------------------------------------------------------===
|
|
# Module provider
|
|
#===----------------------------------------------------------------------===
|
|
|
|
|
|
class ModuleProvider(llvm.Ownable):
|
|
|
|
@staticmethod
|
|
def new(module):
|
|
check_is_module(module)
|
|
check_is_unowned(module)
|
|
return ModuleProvider(
|
|
_core.LLVMCreateModuleProviderForExistingModule(module.ptr),
|
|
module)
|
|
|
|
def __init__(self, ptr, module):
|
|
llvm.Ownable.__init__(self, ptr, _core.LLVMDisposeModuleProvider)
|
|
module._own(self)
|
|
# a module provider is both a owner (of modules) and an ownable
|
|
# (can be owned by execution engines)
|
|
|
|
def __del__(self):
|
|
llvm.Ownable.__del__(self)
|
|
|
|
|
|
#===----------------------------------------------------------------------===
|
|
# Memory buffer
|
|
#===----------------------------------------------------------------------===
|
|
|
|
|
|
class MemoryBuffer(object):
|
|
|
|
@staticmethod
|
|
def from_file(self, fname):
|
|
ret = _core.LLVMCreateMemoryBufferWithContentsOfFile(fname)
|
|
if isinstance(ret, str):
|
|
return (None, ret)
|
|
else:
|
|
obj = MemoryBuffer(ret)
|
|
return (obj, "")
|
|
|
|
@staticmethod
|
|
def from_stdin(self):
|
|
ret = _core.LLVMCreateMemoryBufferWithSTDIN()
|
|
if isinstance(ret, str):
|
|
return (None, ret)
|
|
else:
|
|
obj = MemoryBuffer(ret)
|
|
return (obj, "")
|
|
|
|
def __init__(self, ptr):
|
|
self.ptr = ptr
|
|
|
|
def __del__(self):
|
|
_core.LLVMDisposeMemoryBuffer(self.ptr)
|
|
|