Merging r195567:
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r195567 | void | 2013-11-23 21:29:35 -0800 (Sat, 23 Nov 2013) | 1 line

Default to a better compression algorithm.
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Merging r195599:
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r195599 | void | 2013-11-24 21:01:21 -0800 (Sun, 24 Nov 2013) | 4 lines

Don't look past volatile loads.

A volatile load should block us from trying to coalesce stores.
PR18023
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Merging r195432:
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r195432 | haoliu | 2013-11-22 01:24:41 -0800 (Fri, 22 Nov 2013) | 3 lines

Fix a Cygwin build failure caused by enum values starting with '_', which is conflicted with some platform macros.    
This patch only renames variables, no functional change.

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Merging r195476:
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r195476 | hliao | 2013-11-22 09:56:57 -0800 (Fri, 22 Nov 2013) | 6 lines

Fix PR18014

- When simplifying the mask generation for BLEND, check whether that mask is
  also consumed by other non-BLEND insns. If true, skip that simplification.


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Merging r195477:
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r195477 | rafael | 2013-11-22 09:58:12 -0800 (Fri, 22 Nov 2013) | 13 lines

Add a fixed version of r195470 back.

The fix is simply to use CurI instead of I when handling aliases to
avoid accessing a invalid iterator.

original message:

Convert linkonce* to weak* instead of strong.

Also refactor the logic into a helper function. This is an important improve
on mingw where the linker complains about mixed weak and strong symbols.
Converting to weak ensures that the symbol is not dropped, but keeps in a
comdat, making the linker happy.
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Merging r195491:
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r195491 | probinson | 2013-11-22 11:11:24 -0800 (Fri, 22 Nov 2013) | 11 lines

Teach ISel not to optimize 'optnone' functions (revised).

Improvements over r195317:
- Set/restore EnableFastISel flag instead of just running FastISel within
  SelectAllBasicBlocks; the flag is checked in various places, and
  FastISel won't run properly if those places don't do the right thing.
- Test looks for normal ISel versus FastISel behavior, and not
  something more subtle that doesn't work everywhere.

Based on work by Andrea Di Biagio.

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Merging r195492:
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r195492 | arsenm | 2013-11-22 11:24:37 -0800 (Fri, 22 Nov 2013) | 1 line

StructurizeCFG: Fix inverting a branch on an argument
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Merging r195493:
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r195493 | arsenm | 2013-11-22 11:24:39 -0800 (Fri, 22 Nov 2013) | 6 lines

StructurizeCFG: Fix verification failure with some loops.

If the beginning of the loop was also the entry block
of the function, branches were inserted to the entry block
which isn't allowed. If this occurs, create a new dummy
function entry block that branches to the start of the loop.
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Merging r195479:
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r195479 | hans | 2013-11-22 10:25:43 -0800 (Fri, 22 Nov 2013) | 4 lines

VS integration: use the correct registry key after r195379

I changed the registry key in that commit, but forgot to update
the integration files. This change makes them use the same variable.
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Merging r195528:
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r195528 | chandlerc | 2013-11-22 16:48:34 -0800 (Fri, 22 Nov 2013) | 7 lines

Migrate metadata information from scalar to vector instructions during
SLP vectorization. Based on the code in BBVectorizer.

Fixes PR17741.

Patch by Raul Silvera, reviewed by Hal and Nadav. Reformatted by my
driving of clang-format. =]
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Merging r195514:
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r195514 | tstellar | 2013-11-22 15:07:58 -0800 (Fri, 22 Nov 2013) | 6 lines

R600/SI: Fixing handling of condition codes

We were ignoring the ordered/onordered bits and also the signed/unsigned
bits of condition codes when lowering the DAG to MachineInstrs.

NOTE: This is a candidate for the 3.4 branch.
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Merging r195327:
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r195327 | apazos | 2013-11-20 23:37:04 -0800 (Wed, 20 Nov 2013) | 6 lines

Implemented Neon scalar by element intrinsics.

Intrinsics implemented: vqdmull_lane, vqdmulh_lane, vqrdmulh_lane,
vqdmlal_lane, vqdmlsl_lane scalar Neon intrinsics.


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Merging r195330:
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r195330 | apazos | 2013-11-21 00:16:15 -0800 (Thu, 21 Nov 2013) | 5 lines

Implemented Neon scalar vdup_lane intrinsics.

Fixed scalar dup alias and added test case.


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Merging r195547:
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Merging r195591:
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r195591 | haoliu | 2013-11-24 17:53:26 -0800 (Sun, 24 Nov 2013) | 5 lines

Fixed a bug about disassembling AArch64 post-index load/store single element instructions.
ie. echo "0x00 0x04 0x80 0x0d" | ../bin/llvm-mc -triple=aarch64 -mattr=+neon -disassemble
    echo "0x00 0x00 0x80 0x0d" | ../bin/llvm-mc -triple=aarch64 -mattr=+neon -disassemble
will be disassembled into the same instruction st1 {v0b}[0], [x0], x0.

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Merging r195136:
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Added our Clang/LLVM using projects (pocl and TCE) to the
external projects using LLVM. Ordered the list alphabetically.



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Merging r195635:
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r195635 | dsanders | 2013-11-25 11:14:43 +0000 (Mon, 25 Nov 2013) | 19 lines

Fixed tryFoldToZero() for vector types that need expansion.

Summary:
Moved the requirement for SelectionDAG::getConstant() to return legally
typed nodes slightly earlier. There were two optional DAGCombine passes
that were missed out and were required to produce type-legal DAGs.

Simplified a code-path in tryFoldToZero() to use SelectionDAG::getConstant().
This provides support for both promoted and expanded vector types whereas the
previous code only supported promoted vector types.

Fixes a "Type for zero vector elements is not legal" assertion detected by
an llvm-stress generated test.

Reviewers: resistor

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2251
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Merging r195636:
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r195636 | aemerson | 2013-11-25 03:24:18 -0800 (Mon, 25 Nov 2013) | 2 lines

Revert r195599 as it broke the builds.

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Merging r195670:
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r195670 | void | 2013-11-25 10:05:22 -0800 (Mon, 25 Nov 2013) | 5 lines

Unrevert r195599 with testcase fix.

I'm not sure how it was checking for the wrong values...
PR18023.

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