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artiq/artiq/compiler/testbench/jit.py

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1.1 KiB
Python

import os, sys, fileinput, ctypes
from pythonparser import diagnostic
from llvmlite_artiq import binding as llvm
from ..module import Module, Source
from ..targets import NativeTarget
def main():
libartiq_support = os.getenv("LIBARTIQ_SUPPORT")
if libartiq_support is not None:
llvm.load_library_permanently(libartiq_support)
def process_diagnostic(diag):
print("\n".join(diag.render()))
if diag.level in ("fatal", "error"):
exit(1)
engine = diagnostic.Engine()
engine.process = process_diagnostic
source = "".join(fileinput.input())
source = source.replace("#ARTIQ#", "")
mod = Module(Source.from_string(source.expandtabs(), engine=engine))
target = NativeTarget()
llmod = mod.build_llvm_ir(target)
llparsedmod = llvm.parse_assembly(str(llmod))
llparsedmod.verify()
llmachine = llvm.Target.from_triple(target.triple).create_target_machine()
lljit = llvm.create_mcjit_compiler(llparsedmod, llmachine)
llmain = lljit.get_function_address(llmod.name + ".__modinit__")
ctypes.CFUNCTYPE(None)(llmain)()
if __name__ == "__main__":
main()