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aguinet/asm_reg.py

Created December 12, 2016 10:21
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llvmlite {load,store}_reg example
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asm_reg.py
import llvmlite.ir as ll
module = ll.Module()
Int64 = ll.IntType(64)
fntype = ll.FunctionType(ll.VoidType(), [])
func = ll.Function(module, fntype, name='foo')
BB = func.append_basic_block()
builder = ll.IRBuilder()
builder.position_at_end(BB)
rdi = builder.load_reg(Int64, "rdi")
ret = builder.xor(rdi, ll.Constant(ll.IntType(64), 44))
builder.store_reg(ret, Int64, "rax")
builder.ret_void()
print(module)
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