\usepackage{listings}
\usepackage{hyperref}
+\usepackage{xspace}
+\def\PIPS{PIPS\xspace}
-\title{PIPS~--- List of code transformations}
+
+\title{\PIPS~--- List of code transformations}
\item constant propagation
\end{itemize}
-\chapter{List of PIPS transformations}
+\chapter{List of \PIPS transformations}
\section{Memory allocation alteration}