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from rpython.jit.codewriter.jitcode import JitCode
def test_num_regs():
j = JitCode("test")
j.setup(num_regs_i=12, num_regs_r=34, num_regs_f=56)
assert j.num_regs_i() == 12
assert j.num_regs_r() == 34
assert j.num_regs_f() == 56
j.setup(num_regs_i=0, num_regs_r=0, num_regs_f=0)
assert j.num_regs_i() == 0
assert j.num_regs_r() == 0
assert j.num_regs_f() == 0
j.setup(num_regs_i=255, num_regs_r=255, num_regs_f=255)
assert j.num_regs_i() == 255
assert j.num_regs_r() == 255
assert j.num_regs_f() == 255
def test_liveness():
j = JitCode("test")
j.setup(liveness={5: (" A", "b", "CD")})
assert j.has_liveness_info(5)
assert not j.has_liveness_info(4)
assert j._live_vars(5) == "%i32 %i65 %r98 %f67 %f68"
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