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@ -20,6 +20,8 @@ To build the PDG and then the SDG, some dependencies must be extracted from the
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Vertex $b$ \textit{postdominates} vertex $b$ if and only if $a \neq b$ and $b$ is on every path from $a$ to the ``End'' vertex.
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Vertex $b$ \textit{postdominates} vertex $b$ if and only if $a \neq b$ and $b$ is on every path from $a$ to the ``End'' vertex.
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\end{definition}
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\end{definition}
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JOSEP BORRAR
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\begin{definition}[Control dependency]
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\begin{definition}[Control dependency]
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\label{def:ctrl-dep}
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\label{def:ctrl-dep}
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Vertex $b$ is \textit{control dependent} on vertex $a$ ($a \ctrldep b$) if and only if $b$ postdominates one but not all of $a$'s successors. It follows that a vertex with only one successor cannot be the source of control dependence.
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Vertex $b$ is \textit{control dependent} on vertex $a$ ($a \ctrldep b$) if and only if $b$ postdominates one but not all of $a$'s successors. It follows that a vertex with only one successor cannot be the source of control dependence.
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