classe some dead code elim

[pipstransfo.git] / pipstransfo.tex

diff --git a/pipstransfo.tex b/pipstransfo.tex
index e9cd235..6a6e6d0 100644 (file)
--- a/pipstransfo.tex
+++ b/pipstransfo.tex
@@ -129,7 +129,6 @@
 
 \end{description}
 
-
 \section{Loop transformations}
 
 \begin{description}
@@ -158,6 +157,18 @@ A prelude and/or postlude are added to preserve the number of iteration.}
 
 \begin{description}
 
+\item[dead code elimination]{is the process of pruning from a function all the statements whose results are never used.}
+
+\item[common subexpression elimination]{is the process of replacing similar expressions by a variable that holds the result of their evaluation.}
+
+\item[goto elimination]{is the process of replacing \texttt{goto} instructions by a hierarchical control flow graph.}
+
+\end{description}
+
+\section{Other (non classes)}
+
+\begin{description}
+
 \item[inlining]{is a function transformation.
 Inlining a function \texttt{foo} in its caller \texttt{bar} consists in the substitution of the calls to \texttt{foo} in \texttt{bar} by the function body after replacement of the formal parameters by their effective parameters.}
 
@@ -175,17 +186,11 @@ Inlining a function \texttt{foo} in its caller \texttt{bar} consists in the subs
 
 \item[instruction selection]{is the process of mapping parts of the IR to machine instructions.}
 
-\item[goto elimination]{is the process of replacing \texttt{goto} instructions by a hierarchical control flow graph.}
-
 \item[outlining]{is the process of extracting part of a function body into a new function and replacing it in the initial function by a function call.}
 
-\item[common subexpression elimination]{is the process of replacing similar expressions by a variable that holds the result of their evaluation.}
-
 \item[statement isolation]{is the process of replacing all variables referenced in a statement by newly declared variables.
 A prologue and an epilogue are added to copy old variable values to new variable, back and forth.}
 
-\item[dead code elimination]{is the process of pruning from a function all the statements whose results are never used.}
-
 \item[array linearization]{is the process of converting multidimensional array into unidimensional arrays, possibly with a conversion from array to pointer.}
 
 \item[iteration clamping]{is a loop transformation that extends the loop range but guards the loop body with the former range.}