Support referencing variables defined on the same line.

See http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20121126/157198.html
and related discussions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169101 91177308-0d34-0410-b5e6-96231b3b80d8
[python] Add markup option to disassembler

Patch contributed by Wladimir J. van der Laan <laanwj@gmail.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169102 91177308-0d34-0410-b5e6-96231b3b80d8
Update FileCheck's documentation to mention recently added feature of
matching a variable defined on the same line.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169103 91177308-0d34-0410-b5e6-96231b3b80d8
Attempt to fix Makefile.sphinx to not generate errors while trying to copy
files from tutorial/.svn


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169104 91177308-0d34-0410-b5e6-96231b3b80d8
Another fix attempt to Makefile.sphinx - copy the PNGs from tutorial/ as well,
and recursive copying is not required for the tutorial/ directory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169105 91177308-0d34-0410-b5e6-96231b3b80d8
Unbreak Sphinx build

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169106 91177308-0d34-0410-b5e6-96231b3b80d8
Simplify the coding standards for #include ordering. The ordering is now
trivially achievable with an editor. I'll likely check in a silly python
script to help with this too.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169107 91177308-0d34-0410-b5e6-96231b3b80d8
Fix an invalid regex in the test


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169108 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a bug in FileCheck that wouldn't let define variables as follows:

; CHECK: [[VAR:[a-z]]]

The problem was that to find the end of the regex var definition, it was
simplistically looking for the next ]] and finding the incorrect one. A
better approach is to count nesting of brackets (taking escaping into
account). This way the brackets that are part of the regex can be discovered
and skipped properly, and the ]] ending is detected in the right place.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169109 91177308-0d34-0410-b5e6-96231b3b80d8
Bring vim keyword lists up to date.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169110 91177308-0d34-0410-b5e6-96231b3b80d8
Allow merging multiple store sequences on the same chain.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169111 91177308-0d34-0410-b5e6-96231b3b80d8
Clean up, bring up-to-date and apply consistent formatting.

This document is a long-time pet peeve :-) More fixes to come.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169115 91177308-0d34-0410-b5e6-96231b3b80d8
Remove 'deplibs' keyword, since it's no longer used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169116 91177308-0d34-0410-b5e6-96231b3b80d8
Define signed const-ext predicates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169117 91177308-0d34-0410-b5e6-96231b3b80d8
fix stats for added checks

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169119 91177308-0d34-0410-b5e6-96231b3b80d8
Remove some buggy and apparantly unnecessary code from SROA.

The partitioning logic attempted to handle uses of an alloca with an
offset starting before the alloca so long as the use had some overlap
with the alloca itself. However, there was a bug where we tested
'(uint64_t)Offset >= AllocSize' without first checking whether 'Offset'
was positive. As a consequence, essentially every negative offset (that
is, starting *before* the alloca does) would be thrown out, even if it
was overlapping. The subsequent code to throw out negative offsets which
were actually non-overlapping was essentially dead. The code to *handle*
overlapping negative offsets was actually dead!

I've just removed all of this, and taught SROA to discard any uses which
start prior to the alloca from the beginning. It has the lovely property
of simplifying the code. =] All the tests still pass, and in fact no new
tests are needed as this is already covered by our testsuite. Fixing the
code so that negative offsets work the way the comments indicate they
were supposed to work causes regressions. That's how I found this.

Anyways, this is all progress in the correct direction -- tightening up
SROA to be maximally aggressive. Some day, I really hope to turn
out-of-bounds accesses to an alloca into 'unreachable'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169120 91177308-0d34-0410-b5e6-96231b3b80d8
Add a completely hack-ish tool to sort includes according to the coding
standards.

I am a terrible Python programmer. Patches more the welcome. Please tell
me how this should look if it should look differently. It's just a tiny
little script so it didn't make sense to go through pre-commit review,
especially as someone who actually knows python may want to just rip it
apart and do it The Right Way.

I will be preparing a commit shortly that uses this script to
canonicalize *all* of the #include lines in LLVM. Really, all of them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169125 91177308-0d34-0410-b5e6-96231b3b80d8
clarify that this isn't lld.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169130 91177308-0d34-0410-b5e6-96231b3b80d8
Use the new script to sort the includes of every file under lib.

Sooooo many of these had incorrect or strange main module includes.
I have manually inspected all of these, and fixed the main module
include to be the nearest plausible thing I could find. If you own or
care about any of these source files, I encourage you to take some time
and check that these edits were sensible. I can't have broken anything
(I strictly added headers, and reordered them, never removed), but they
may not be the headers you'd really like to identify as containing the
API being implemented.

Many forward declarations and missing includes were added to a header
files to allow them to parse cleanly when included first. The main
module rule does in fact have its merits. =]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169131 91177308-0d34-0410-b5e6-96231b3b80d8
Teach the include sorter to not choke on include guards. ;]

Kind of important when prepping the include/... tree version of the sort
changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169132 91177308-0d34-0410-b5e6-96231b3b80d8