def test_inline_asm(self):
"""The InlineAsm class from llvmlite.ir has no 'name' attr the refcount
pruning pass should be tolerant to this"""
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
llvm.initialize_native_asmparser()
@intrinsic
def bar(tyctx, x, y):
def codegen(cgctx, builder, sig, args):
(arg_0, arg_1) = args
fty = ir.FunctionType(ir.IntType(64), [ir.IntType(64),
ir.IntType(64)])
mul = builder.asm(fty, "mov $2, $0; imul $1, $0", "=r,r,r",
(arg_0, arg_1), name="asm_mul",
side_effect=False)
return impl_ret_untracked(cgctx, builder, sig.return_type, mul)
return signature(x, x, x), codegen
@njit(['int64(int64)'])
def foo(x):
x += 1
z = bar(x, 2)
return z
self.assertEqual(foo(10), 22) # expect (10 + 1) * 2 = 22
def run(llvm_ir):
# Load the runtime
ctypes._dlopen(os.path.join(_path, 'gonert.so'), ctypes.RTLD_GLOBAL)
# Initialize LLVM
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
target = llvm.Target.from_default_triple()
target_machine = target.create_target_machine()
mod = llvm.parse_assembly(llvm_ir)
mod.verify()
engine = llvm.create_mcjit_compiler(mod, target_machine)
# Execute the main() function
#
# !!! Note: Requires modification in Project 8 (see below)
# main_ptr = engine.get_function_address('main')
# main_func = ctypes.CFUNCTYPE(None)(main_ptr)
# main_func()
init_ptr = engine.get_function_address('__init')
init_func = ctypes.CFUNCTYPE(None)(init_ptr)
init_func()
main_ptr = engine.get_function_address('_gone_main')
main_func = ctypes.CFUNCTYPE(None)(main_ptr)
main_func()
def setUp(self):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
gc.collect()
self.old_garbage = gc.garbage[:]
gc.garbage[:] = []
def initialize_llvm():
global _llvm_initialized
if not _llvm_initialized:
ll.initialize()
ll.initialize_native_target()
ll.initialize_native_asmprinter()
_llvm_initialized = True
def __init__(self):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
self.codegen = LLVMCodeGenerator()
self.target = llvm.Target.from_default_triple()
def __init__(self, input_fName, output_fName):
self.symbolTable = SymbolTable()
self.parser = Parser(input_fName)
self.output_fName = output_fName
self._has_errors = False
# llvm setup
binding.initialize()
binding.initialize_native_target()
binding.initialize_native_asmprinter()
def __init__(self):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
self.codegen = LLVMCodeGenerator()
self.parser = Parser()
self._add_builtins(self.codegen.module)
self.target = llvm.Target.from_default_triple()
def gen_asm(llvm_ir):
# All these initializations are required for code generation!
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter() # yes, even this one
engine = create_execution_engine()
mod = compile_ir(engine, str(ir_ula.module))
return target_machine.emit_assembly(mod)
def __init__(self):
bind.initialize()
bind.initialize_native_target()
bind.initialize_native_asmprinter() # yes, even this one
# Create a target machine representing the host
target = bind.Target.from_default_triple()
self.target_machine = target.create_target_machine()
# And an execution engine with an empty backing module
backing_mod = bind.parse_assembly("")
self.engine = bind.create_mcjit_compiler(backing_mod, self.target_machine)
def __init__(self):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
self.codegen = LLVMCodeGenerator()
self.parser = Parser()
self._add_builtins(self.codegen.module)
self.target = llvm.Target.from_default_triple()
def initialize():
'''
Initalize llvm and module
Return module
'''
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
module = ir.Module(name="prog")
module.triple = llvm.get_default_triple()
return module
def codegen(self):
self._codegen(self.root)
llvm_ir = self.module.__repr__()
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
self.mod = llvm.parse_assembly(llvm_ir)
# mod.verify()
target = llvm.Target.from_default_triple()
target_machine = target.create_target_machine()
asm = target_machine.emit_assembly(self.mod)
return asm
def __init__(self):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
self.prop = {}
self.function_name_table = {}
self.function_symbol_table = {}
self.var_symbolTBL = {}
self.var_ptr_symbolTBL = {}
self.var_ptr_symbolTBL['var_symbolTBL'] = self.var_symbolTBL
self.tm = llvm.Target.from_default_triple().create_target_machine()
def __init__(self):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
self.prop={}
self.function_name_table = {}
self.function_symbol_table = {}
self.var_symbolTBL = {}
self.var_ptr_symbolTBL = {}
self.var_ptr_symbolTBL['var_symbolTBL'] = self.var_symbolTBL
self.tm = llvm.Target.from_default_triple().create_target_machine()
def compile_ir(engine, llvm_ir):
"""
Compile the LLVM IR string with the given engine.
The compiled module object is returned.
"""
# Create a LLVM module object from the IR
import llvmlite.binding as llvm
# llvm_ir = """
# define double @add4531207233431041901(double %a, double %b) {
# entry:
# %0 = alloca double
# store double %a, double* %0
# %1 = alloca double
# store double %b, double* %1
# %retval = alloca double
# %2 = load double, double* %0
# %3 = load double, double* %1
# %4 = fadd double %2, %3
# store double %4, double* %retval
# br label %exit
#
# exit:
# %5 = load double, double* %retval
# ret double %5
# }
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter() # yes, even this one
mod = llvm.parse_assembly(llvm_ir)
mod.verify()
# Optionally, could use passManagerBuilder to reuse the same options across JIT.
funcPass = llvm.create_function_pass_manager(module=mod)
funcPass.initialize()
funcPass.add_dead_arg_elimination_pass()
funcPass.add_dead_code_elimination_pass()
passManager = llvm.create_pass_manager_builder()
passManager.opt_level = 3
passManager.loop_vectorize = True
passManager.slp_vectorize = False
funcPass.finalize()
# Now add the module and make sure it is ready for execution
engine.add_module(mod)
engine.finalize_object()
engine.run_static_constructors()
return mod
def test_linux64_program_write(capfd):
source_ll = r"""
@.message = internal constant [14 x i8] c"Hello, world!\0A"
; write(STDOUT, message, message_len)
define i64 @write(i64 %STDOUT, i8* %message, i64 %message_len) {
%1 = call i64 asm sideeffect "syscall",
"={rax},{rax},{rdi},{rsi},{rdx},~{rcx},~{r11},~{dirflag},~{fpsr},~{flags}"
( i64 1 ; {rax} SYSCALL_WRITE
, i64 %STDOUT ; {rdi} STDOUT
, i8* %message ; {rsi} message
, i64 %message_len ; {rdx} message_len
)
ret i64 %1
}
; exit(int exit_code)
define void @exit(i64 %exit_code) {
call i64 asm sideeffect "syscall",
"={rax},{rax},{rdi},~{rcx},~{r11},~{dirflag},~{fpsr},~{flags}"
( i64 60 ; {rax} SYSCALL_EXIT
, i64 %exit_code ; {rdi} exit_code
)
ret void
}
define void @_start() {
%message_ptr = getelementptr [14 x i8], [14 x i8]* @.message , i64 0, i64 0
call i64 @write(i64 1, i8* %message_ptr, i64 14)
call void @exit(i64 42)
ret void
}
"""
with TemporaryDirectory() as tmpdir:
objfile = os.path.join(tmpdir, "test1.o")
binfile = os.path.join(tmpdir, "test1")
llvm.initialize()
llvm.initialize_native_asmprinter()
llvm.initialize_native_asmparser()
llvm.initialize_native_target()
target = llvm.Target.from_triple(llvm.get_default_triple())
target_machine = target.create_target_machine()
mod = llvm.parse_assembly(source_ll)
mod.verify()
with open(objfile, "wb") as o:
o.write(target_machine.emit_object(mod))
linker(["-o", binfile, objfile])
r = call("%s" % binfile)
assert r == 42
out = capfd.readouterr().out
assert out == "Hello, world!\n"
def _binding_initialize():
global __initialized
if not __initialized:
binding.initialize()
if not ptx_enabled:
# native == currently running CPU. ASM printer includes opcode emission
binding.initialize_native_target()
binding.initialize_native_asmprinter()
else:
binding.initialize_all_targets()
binding.initialize_all_asmprinters()
__initialized = True
def optimize(module, level):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
module_ref = llvm.parse_assembly(str(module))
if level is None:
return module_ref
pmb = llvm.create_pass_manager_builder()
pm = llvm.create_module_pass_manager()
pmb.opt_level = level
pmb.populate(pm)
pm.run(module_ref)
return module_ref
def __init__(self, triple="DEFAULT"):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
if triple == "DEFAULT":
target = llvm.Target.from_default_triple()
else:
target = llvm.Target.from_triple(triple=triple)
self.target_machine = target.create_target_machine()
backing_mod = llvm.parse_assembly("")
self.engine = llvm.create_mcjit_compiler(module=backing_mod, target_machine=self.target_machine)
def run_ir(llvm_ir):
# All these initializations are required for code generation!
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter() # yes, even this one
engine = create_execution_engine()
mod = compile_ir(engine, llvm_ir)
# Run the code
func_ptr = engine.get_function_address("main")
cfunc = CFUNCTYPE(c_float)(func_ptr)
res = cfunc()
return res
def test_linux64_program():
"""
This is the simplest assembly program that uses Linux 64bit syscall to
return an exit value.
"""
# Named registers are used in the `asm` block, so that LLVM handles
# register allocation.
#
# The calling convention for syscall on x86-64 (see `man syscall`) is to
# pass the system call number in {rax}, the return value is returned in
# {rax}, and the system call arguments in:
# {rdi},{rsi},{rdx},{r10},{r8},{r9}
# The syscall kernel call clobbers {rcx} and {r11} registers.
#
# The LLVM's `asm` call itself clobbers the following registers:
# * {flags} (EFLAGS: status flags register)
# * {dirflag} (DF: direction flag; modeled separately from {flags})
# * {fpsr} (floating point status register)
source_ll = r"""
; exit(int exit_code)
define void @exit(i64 %exit_code) {
call i64 asm sideeffect "syscall",
"={rax},{rax},{rdi},~{rcx},~{r11},~{dirflag},~{fpsr},~{flags}"
( i64 60 ; {rax} SYSCALL_EXIT
, i64 %exit_code ; {rdi} exit_code
)
ret void
}
define void @_start() {
call void @exit(i64 42)
ret void
}
"""
with TemporaryDirectory() as tmpdir:
objfile = os.path.join(tmpdir, "test1.o")
binfile = os.path.join(tmpdir, "test1")
llvm.initialize()
llvm.initialize_native_asmprinter()
llvm.initialize_native_asmparser()
llvm.initialize_native_target()
target = llvm.Target.from_triple(llvm.get_default_triple())
target_machine = target.create_target_machine()
mod = llvm.parse_assembly(source_ll)
mod.verify()
with open(objfile, "wb") as o:
o.write(target_machine.emit_object(mod))
linker(["-o", binfile, objfile])
r = call("%s" % binfile)
assert r == 42
def __init__(self):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter() # yes, even this one
# Create a target machine representing the host
target = llvm.Target.from_default_triple()
target_machine = target.create_target_machine()
# And an execution engine with a backing module
self.main_mod = self.compile_ir('')
self.engine = llvm.create_mcjit_compiler(self.main_mod, target_machine)
self.files = set()
def __init__(self, probability: float, tolerance: float, seed: int = None):
super().__init__(probability, tolerance, seed)
self.name = f'bernoulli_{self.base:02d}bits_{hex(self.num)}'
self.code = generate_ir(self.name, self.base, self.ops.ops)
logging.info('module %s:\n%s', self.name, self.code)
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
self.engine = init_execution_engine()
self.mod = compile_ir(self.engine, str(self.code))
self.func_ptr = self.engine.get_function_address(self.name)
self.cfunc = CFUNCTYPE(c_long, *([c_long] * self.base))(self.func_ptr)
def main():
binding.initialize()
binding.initialize_native_target()
binding.initialize_native_asmprinter()
# inicializando módulo principal
#module = Module.new('main')
module = ir.Module('my_module')
# inicializando a tabela de símbolos
symbols = {}
# inicializando o gerenciador de passos de otimização e funções
passes = None
# FunctionPassManager.new(module)
# configurando o motor de execução
ee = create_execution_engine()
# configuração dos passos de otimização
# registra os passos já realizados em uma estrutura para executar
# passes.add(ee.target_data)
# combina e remove instruções redundantes
# passes.add(PASS_INSTCOMBINE)
# reassocia instruções para otimizar aritmética de constantes
# passes.add(PASS_REASSOCIATE)
# elimina subexpressões comuns
# passes.add(PASS_GVN)
# remove blocos básicos sem predecessor, elimina nó PHI para blocos básicos
# com um único predecessor e elimina blocos que contém salto incondicional
# passes.add(PASS_SIMPLIFYCFG)
# inicializa as otimizações
# passes.initialize()
code = ''
if len(sys.argv) >= 2:
# lexer = Lexer()
f = open(sys.argv[1])
# lexer.test(f.read())
code = f.read()
'''
while True:
try:
code = input('TPlusPlus => ')
# code = './exemplo.tpp'
# code = 'exemplo.tpp'
except KeyboardInterrupt:
print()
break
'''
driver = Gen(code, module, symbols, ee, passes, OPTIMIZATION, DEBUG)
if SHOW_END_CODE:
print('\n\n=== Código LLVM final ===')
print(module)
def pi_llvm_jit(module):
# All these initializations are required for code generation!
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter() # yes, even this one
engine = create_execution_engine()
mod = compile_ir(engine, str(module))
# Look up the function pointer (a Python int)
func_ptr = engine.get_function_address("main_function")
# Run the function via ctypes
cfunc = CFUNCTYPE(c_void_p)(func_ptr)
res = cfunc()
print("main_function() =", res)
def test__clone():
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
p = run_llvmpass('basic.ll', PASS_SO_PATH, '-clonefuncs')
p.wait()
pout = StringIO(p.stdout.read().decode('utf-8'))
m = llvm.parse_assembly(pout.getvalue())
m.verify()
expected = set(['fact', 'fact.1'])
actual = set([f.name for f in m.functions])
assert expected == actual
def _create_execution_engine(self):
"""
Create an ExecutionEngine suitable for JIT code generation on the host
CPU. The engine is reusable for any number of modules.
"""
# Initialization...
binding.initialize()
binding.initialize_native_target()
binding.initialize_native_asmprinter()
# Create a target machine representing the host
target = binding.Target.from_default_triple()
target_machine = target.create_target_machine()
# And an execution engine with an empty backing module
backing_mod = binding.parse_assembly("")
engine = binding.create_mcjit_compiler(backing_mod, target_machine)
return engine
def run(compiler: Compiler):
# All these initializations are required for code generation!
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter() # yes, even this one
# llvm.load_library_permanently("/usr/lib/libc.dylib")
# llvm.add_symbol("abs", llvm.address_of_symbol("abs"))
def create_execution_engine():
"""
Create an ExecutionEngine suitable for JIT code generation on
the host CPU. The engine is reusable for an arbitrary number of
modules.
"""
# Create a target machine representing the host
target = llvm.Target.from_default_triple()
target_machine = target.create_target_machine()
# And an execution engine with an empty backing module
backing_mod = llvm.parse_assembly("")
engine = llvm.create_mcjit_compiler(backing_mod, target_machine)
compiler.compile(target_machine.target_data)
return engine, str(compiler.module)
def compile_ir(engine, llvm_ir):
"""
Compile the LLVM IR string with the given engine.
The compiled module object is returned.
"""
# Create a LLVM module object from the IR
mod = llvm.parse_assembly(llvm_ir)
mod.verify()
# Now add the module and make sure it is ready for execution
engine.add_module(mod)
engine.finalize_object()
engine.run_static_constructors()
return mod
engine, llvm_ir = create_execution_engine()
mod = compile_ir(engine, llvm_ir)
# Look up the function pointer (a Python int)
func_ptr = engine.get_function_address("main")
# Run the function via ctypes
cfunc = CFUNCTYPE(c_int8)(func_ptr)
print(cfunc())
def visitCompilationUnit(self, ctx: SoLangParser.CompilationUnitContext):
# global function table
# functions[function-name] = function-pointer
self.functions = {}
# global variable table
# variables[function-name][variable-name] = variable-pointer
self.variables = {}
self.current_function = ''
# llvm init
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
# set target
target = llvm.Target.from_default_triple()
# define types
self.i64 = ir.IntType(64)
self.f64 = ir.FloatType()
self.module = ir.Module(name='sokoide_module')
self.module.triple = target.triple
# function prototype (external linkage implemented in builtin.c) for
# void write(int64_t)
ftype_write = ir.FunctionType(ir.VoidType(), [self.i64])
self.fn_write = ir.Function(self.module, ftype_write, name='write')
self.visitChildren(ctx)
# generate code
llvm_ir = str(self.module)
llvm_ir_parsed = llvm.parse_assembly(llvm_ir)
# optimizer
if self.optimize:
pmb = llvm.create_pass_manager_builder()
pmb.opt_level = 1
pm = llvm.create_module_pass_manager()
pmb.populate(pm)
pm.run(llvm_ir_parsed)
with open('build/out.ll', 'w') as f:
f.write(str(llvm_ir_parsed))
return None
def __init__(self):
llvm.initialize()
llvm.initialize_all_targets()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
self.module = None
self._llvmmod = llvm.parse_assembly("")
self.target = llvm.Target.from_default_triple()
self.cpu = llvm.get_host_cpu_name()
self.cpu_features = llvm.get_host_cpu_features()
self.target_machine = self.target.create_target_machine(
cpu=self.cpu, features=self.cpu_features.flatten(), opt=2)
llvm.check_jit_execution()
self.ee = llvm.create_mcjit_compiler(self.llvmmod, self.target_machine)
self.ee.finalize_object()
self.fptr = None
def build(filenames: Sequence[str]):
# initialize llvm targets
binding.initialize()
binding.initialize_native_target()
binding.initialize_native_asmparser()
binding.initialize_native_asmprinter()
# initialize workspace context
workspace = Workspace(paths=[os.getcwd()])
for filename in filenames:
document = workspace.get_or_create_document(filename)
module = document.module
exit_diagnostics(document.diagnostics)
if module:
generator = ModuleCodegen(document.model.context, document.name)
generator.emit(module)
print(generator)
def begin(self):
global ir
global llvm
global c_fn_type
global c_int64
global engine
global int_type
from llvmlite import ir
import llvmlite.binding as llvm
from ctypes import CFUNCTYPE as c_fn_type
from ctypes import c_int64
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
target = llvm.Target.from_default_triple()
target_machine = target.create_target_machine()
backing_mod = llvm.parse_assembly("")
engine = llvm.create_mcjit_compiler(backing_mod, target_machine)
int_type = ir.IntType(64)
def __init__(self, code, module, optz=False, debug=True):
semantica = Semantica(code)
self.module = module
binding.initialize()
binding.initialize_native_target()
binding.initialize_native_asmprinter()
self.ee = self.execution_engine()
# self.passes = passes
self.optimization = optz
self.builder = None
self.funcao = None
self.leia = None
self.escreva = None
self.debug = debug
self.scope = "global"
self.table = semantica.table
self.tree = semantica.tree
self.gen_top(self.tree)
def create_execution_engine():
"""
Create an ExecutionEngine suitable for JIT code generation on
the host CPU. The engine is reusable for an arbitrary number of
modules.
"""
import llvmlite.binding as llvm
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter() # yes, even this one
# Create a target machine representing the host
target = llvm.Target.from_default_triple()
target_machine = target.create_target_machine()
# And an execution engine with an empty backing module
backing_mod = llvm.parse_assembly("")
engine = llvm.create_mcjit_compiler(backing_mod, target_machine)
return engine, target_machine
def emit_object_file(module, output_file, triple=None): # pragma: nocover
"""Emit object file from a module.
Args:
module (Module): Module with an LLVM IR.
output_file (str): Where to put emitted object file.
triple (str, optional): Platform triple.
"""
llvm.initialize()
llvm.initialize_native_asmprinter()
llvm.initialize_native_target()
if triple is None:
target = llvm.Target.from_default_triple()
else:
target = llvm.Target.from_triple(triple)
machine = target.create_target_machine()
mod = llvm.parse_assembly(str(module))
mod.verify()
with open(output_file, 'wb') as f:
f.write(machine.emit_object(mod))
def __init__(self):
llvm.initialize()
llvm.initialize_native_asmprinter()
llvm.initialize_native_target()
target = llvm.Target.from_default_triple()
self.target_machine = target.create_target_machine()
self.target_machine.set_asm_verbosity(True)
mod = llvm.parse_assembly("")
mod.verify()
self.ee = llvm.create_mcjit_compiler(mod, self.target_machine)
pmb = llvm.create_pass_manager_builder()
pmb.opt_level = 3
pmb.loop_vectorize = True
pmb.slp_vectorize = True
self.pm = llvm.create_module_pass_manager()
pmb.populate(self.pm)
load_lfortran_runtime_library()
def __init__(self, module):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
self.module = module
self.module.translate()
self.cge = CGEnv()
self.cge.module = module
self.llvm = self.makeStub()
for _, func in self.module.namestore.all(ir.Function):
self.blockAndCode(func)
self.target_machine = llvm.Target.from_default_triple().create_target_machine()
logging.debug("Verifying... ")
self._llmod = None
def run_jit(module):
import llvmlite.binding as llvm
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
target = llvm.Target.from_default_triple()
target_machine = target.create_target_machine()
compiled_mod = llvm.parse_assembly(str(module))
engine = llvm.create_mcjit_compiler(compiled_mod, target_machine)
# Look up the function pointer (a Python int)
func_ptr = engine.get_function_address("hello")
# Turn into a Python callable using ctypes
from ctypes import CFUNCTYPE, c_int
hello = CFUNCTYPE(c_int)(func_ptr)
res = hello()
print('hello() returned', res)
def compile_ir(m):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
target = llvm.Target.from_default_triple()
target_machine = target.create_target_machine()
backing_mod = llvm.parse_assembly("")
engine = llvm.create_mcjit_compiler(backing_mod, target_machine)
mod = llvm.parse_assembly(m)
mod.verify()
engine.add_module(mod)
engine.finalize_object()
engine.run_static_constructors()
func_ptr = engine.get_function_address("main")
cfunc = CFUNCTYPE(c_int)(func_ptr)
cfunc()
def __init__(self, module):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()
self.module = module
self.module.translate()
self.cge = CGEnv()
self.cge.module = module
self.llvm = self.makeStub()
for _, func in self.module.namestore.all(ir.Function):
self.blockAndCode(func)
self.target_machine = llvm.Target.from_default_triple(
).create_target_machine()
logging.debug("Verifying... ")
self._llmod = None
def main(verbose=True):
llvm.initialize()
llvm.initialize_native_asmprinter()
llvm.initialize_native_target()
target = llvm.Target.from_triple(llvm.get_default_triple())
target_machine = target.create_target_machine()
target_machine.set_asm_verbosity(True)
# Empty backing module
backing_mod = llvm.parse_assembly("")
backing_mod.verify()
engine = llvm.create_mcjit_compiler(backing_mod, target_machine)
print("Interactive Fortran.")
print(" * Use Ctrl-D to exit.")
print(" * Use Enter to submit.")
print(" * Features:")
print(" - Multi-line editing (use Alt-Enter)")
print(" - History")
print(" - Syntax highlighting")
print()
fortran_evaluator = FortranEvaluator()
session = PromptSession('> ',
lexer=PygmentsLexer(FortranLexer),
multiline=True,
key_bindings=kb)
try:
while True:
text = session.prompt()
if verbose:
print()
handle_input(engine, fortran_evaluator, text, verbose)
if verbose:
print()
except EOFError:
print("Exiting.")
def initialize_llvm():
"""Safe to use multiple times.
"""
ll.initialize()
ll.initialize_native_target()
ll.initialize_native_asmprinter()
from __future__ import print_function
from ctypes import CFUNCTYPE, c_double
import llvmlite.binding as llvm
# All these initializations are required for code generation!
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter() # yes, even this one
llvm_ir = """
; ModuleID = "examples/ir_fpadd.py"
target triple = "unknown-unknown-unknown"
target datalayout = ""
define double @"fpadd"(double %".1", double %".2")
{
entry:
%"res" = fadd double %".1", %".2"
ret double %"res"
}
"""
def create_execution_engine():
"""
Create an ExecutionEngine suitable for JIT code generation on
the host CPU. The engine is reusable for an arbitrary number of
modules.
"""
def init():
llvm.initialize()
llvm.initialize_all_targets()
llvm.initialize_native_asmprinter()
llvm.initialize_native_target()
from ctypes import CFUNCTYPE, c_int32
import llvmlite.ir as ir
import llvmlite.binding as binding
binding.initialize()
binding.initialize_native_target()
binding.initialize_native_asmprinter()
def make_add_fn():
global ee
int32 = llvm.ir.IntType(32)
module = ir.Module()
adder_type = ir.FunctionType(int32, (int32, int32))
adder = ir.Function(module, adder_type, 'add')
adder.args[0].name = 'a'
adder.args[1].name = 'b'
bb_entry = adder.append_basic_block('entry')
irbuilder = ir.IRBuilder(bb_entry)
s = irbuilder.add(adder.args[0], adder.args[1])
irbuilder.ret(s)
llvm_module = binding.parse_assembly(str(module))
tm = binding.Target.from_default_triple().create_target_machine()
ee = binding.create_mcjit_compiler(llvm_module, tm)
ee.finalize_object()
cfptr = ee.get_function_address('add')
def setUp(self):
llvm.initialize()
llvm.initialize_native_target()
llvm.initialize_native_asmprinter()