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passes.texi: Document the Graphite infrastructure.

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2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/passes.texi: Document the Graphite infrastructure.

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gcc/ChangeLog.graphite
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@ -1,3 +1,7 @@
2009-10-15 Sebastian Pop <sebastian.pop@amd.com>
* doc/passes.texi: Document the Graphite infrastructure.
2009-10-15 Sebastian Pop <sebastian.pop@amd.com>
* graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.

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gcc/doc/passes.texi
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@ -459,6 +459,13 @@ pass is implemented in @file{tree-vectorizer.c} (the main driver),
Autoparallelization. This pass splits the loop iteration space to run
into several threads. The pass is implemented in @file{tree-parloops.c}.
Graphite is a loop transformation framework based on the polyhedral
model. Graphite stands for Gimple Represented as Polyhedra. The
internals of this infrastructure are documented in
@w{@uref{http://gcc.gnu.org/wiki/Graphite}}. The passes working on
this representation are implemented in the various @file{graphite-*}
files.
@item Tree level if-conversion for vectorizer
This pass applies if-conversion to simple loops to help vectorizer.