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   9 <A HREF="#toc">Table of Contents</A><P>
  10
  11 <H2><A NAME="sect0" HREF="#toc0">Name</A></H2>
  12
  13 <P>
  14 ip1const - do one level interprocedural constant propagation
  15
  16 <H2><A NAME="sect1" HREF="#toc1"><B>Synopsis</B></A></H2>
  17
  18 <P>
  19 <B>ip1const</B> [ <I>options</I> ] <I>infile</I> <I>outfile</I> { <I>infile</I> <I>outfile</I> }*
  20
  21 <H2><A NAME="sect2" HREF="#toc2"><B>Description</B></A></H2>
  22
  23 <P>
  24 The <I>ip1const</I> program does very simple interprocedural constant
  25 propagation through a single level of procedure
  26 calls. That allows it to use a very efficient algorithm,
  27 while the limited power is still enough to help in a number
  28 of common cases. The algorithm uses only one procedure
  29 in memory at any given time. It makes two passes;
  30 each procedure is read twice and written once, so it
  31 should take less time than any two ordinary intraprocedural
  32 passes.
  33 <P>
  34 For best effect, this pass should be followed by <I>porky</I>
  35 with the ``-const-prop'' option to propagate the constants
  36 within the procedure once they have been put at the start
  37 of the procedure by this pass.
  38
  39 <H2><A NAME="sect3" HREF="#toc3"><B>Options</B></A></H2>
  40
  41 <P>
  42 There are currently no command-line options.
  43
  44 <H2><A NAME="sect4" HREF="#toc4"><B>History</B></A></H2>
  45
  46 <P>
  47 This program was written by Chris Wilson.
  48 <P>
  49
  50 <HR><P>
  51 <A NAME="toc"><B>Table of Contents</B></A><P>
  52 <UL>
  53 <LI><A NAME="toc0" HREF="#sect0">Name</A></LI>
  54 <LI><A NAME="toc1" HREF="#sect1">Synopsis</A></LI>
  55 <LI><A NAME="toc2" HREF="#sect2">Description</A></LI>
  56 <LI><A NAME="toc3" HREF="#sect3">Options</A></LI>
  57 <LI><A NAME="toc4" HREF="#sect4">History</A></LI>
  58 </UL>
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