www: Use a modern menu style

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www: Rename menu items

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www: shorten menu entry

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www: Add nice header

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www: Add favicon

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www: Use red for visited links

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www: We already integrated the isl code generator

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www: Mark more items done

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www: Highlight title, add subtitle

git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@197752 91177308-0d34-0410-b5e6-96231b3b80d8
www: No need to mention Polly in each subtitle

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www: Name the tiling scheme in the header

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www: Do not use a small fonts for the core text

git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@197793 91177308-0d34-0410-b5e6-96231b3b80d8
www: Do not use a fixed with, but use max-width

Further:

  o ensure that the header is properly readable even on smaller screen sizes.
  o Shorten the table of contents of the documentation section.

git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@197794 91177308-0d34-0410-b5e6-96231b3b80d8
www: Fix typos

Reported-by: Dmitry N. Mikushin <maemarcus@gmail.com>

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www: Simplify css

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Update the copyright credits -- Happy new year 2014!

FIXME: Dragonegg may be updated at non-trivial changes.

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ScopInfo: Ensure the RegionInfo analysis is always available

This fixes a crash that appeared when generating dotty graphs for functions
without loops (for which we do not calculate polyhedral information).

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RegisterPasses: Do not claim we schedule canonicalization passes at -O0

Also the code makes the impression this was happening, shouldEnablePolly()
always returns false for optlevel equal to zero. This was previously different,
but was accidentally changed by a commit a couple of months ago. As this
behavior was mainly a debugging tool and adding this to clang never really made
sense, we just remove the last traces.

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Introduce -polly-canonicalize pass

This ModulePass schedules the set of Polly canonicalization passes. It is a
debugging tool that can be used to preoptimize .ll files for Polly processing.

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Fix formatting issues

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