57 lines
1.5 KiB
Text
57 lines
1.5 KiB
Text
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digraph G {
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// p [label=<x_in = a + b<br/>y_in = c<br/>f()<br/>c = y_out>,shape=rect];
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f_call [label="f()"]
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x_in [label="x_in = a + 1"]
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y_in [label="y_in = b"]
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z_in [label="z_in = z"]
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y_out [label="b = y_out"]
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z_out [label="z = z_out"]
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f_call -> {z_in x_in y_in y_out z_out};
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f_start [label="enter f", shape = rect];
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fx_in [label="x = x_in"];
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fy_in [label="y = y_in"];
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fz_in [label="z = z_in"];
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fy_out [label="y_out = y"];
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fz_out [label="z_out = z"];
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f_start -> {fz_in fx_in fy_in fy_out fz_out};
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f_call -> f_start [style=bold];
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y_in -> f_start [style=invis];
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{
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edge [style = dashed];
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z_in -> fz_in
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x_in -> fx_in
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y_in -> fy_in
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fy_out -> y_out
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fz_out -> z_out
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}
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invis [height=0.001,width=0.001,style=invis];
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invis2 [height=0.001,width=0.001,style=invis];
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{rank=same; x_in y_in y_out z_in z_out invis};
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{rank=same; fx_in fy_in invis2 fy_out fz_in fz_out};
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{edge [style=invis];
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z_in -> x_in -> y_in -> invis -> y_out -> z_out;
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fz_in -> fx_in -> fy_in -> invis2 -> fy_out -> fz_out;
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}
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{rank = max;
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zplus [label = "z += x"];
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yplus [label = "y++"];
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}
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f_start -> {zplus yplus};
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{
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edge [color = red];
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{fz_in fx_in} -> zplus;
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fy_in -> yplus;
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edge [constraint = false];
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zplus -> fz_out;
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yplus -> fy_out;
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}
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{
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edge [color = blue, constraint = false, style = bold];
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{z_in x_in} -> z_out;
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y_in -> y_out;
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}
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}
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