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Maggie Mari 2012-08-14 17:15:23 -05:00
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docs/source/doc/kaleidoscope/PythonLangImpl7.rst
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@ -5,7 +5,7 @@ Chapter 7: Extending the Language: Mutable Variables / SSA construction
Written by `Chris Lattner <mailto:sabre@nondot.org>`_ and `Max
Shawabkeh <http://max99x.com>`_
Introduction # {#intro}
Introduction
=======================
Welcome to Chapter 7 of the `Implementing a language with
@ -31,7 +31,7 @@ for your front-end to build SSA form: LLVM provides highly tuned and
well tested support for this, though the way it works is a bit
unexpected for some.
Why is this a hard problem? # {#why}
Why is this a hard problem?
====================================
To understand why mutable variables cause complexities in SSA
@ -80,7 +80,7 @@ it. However, SSA construction requires non-trivial algorithms and data
structures, so it is inconvenient and wasteful for every front-end to
have to reproduce this logic.
Memory in LLVM # {#memory}
Memory in LLVM
==========================
The 'trick' here is that while LLVM does require all register values to
@ -258,7 +258,7 @@ mutable variables now!
--------------
Mutable Variables in Kaleidoscope # {#kalvars}
Mutable Variables in Kaleidoscope
==============================================
Now that we know the sort of problem we want to tackle, lets see what
@ -299,7 +299,7 @@ operator, then extend Kaleidoscope to support new variable definitions.
--------------
Adjusting Existing Variables for Mutation # {#adjustments}
Adjusting Existing Variables for Mutation
==========================================================
The symbol table in Kaleidoscope is managed at code generation time by
@ -503,7 +503,7 @@ we'll add the assignment operator.
--------------
New Assignment Operator # {#assignment}
New Assignment Operator
=======================================
With our current framework, adding a new assignment operator is really
@ -587,7 +587,7 @@ own local variables. Let's add this next!
--------------
User-defined Local Variables # {#localvars}
User-defined Local Variables
===========================================
Adding var/in is just like any other other extensions we made to
@ -802,7 +802,7 @@ dominance frontier" computation anywhere in sight.
--------------
Full Code Listing # {#code}
Full Code Listing
===========================
Here is the complete code listing for our running example, enhanced with