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Commits on May 13, 2013

• SLPVectorizer: Swap LHS and RHS. No functionality change.

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  985eb90

Commits on May 12, 2013

• SLPVectorizer: Fix a bug in the code that generates extracts for values with multiple users.

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  507b924

• SLPVectorizer: Clear the map that maps between scalars to vectors after each round of vectorization.

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  57e02b3

Commits on May 10, 2013

• SLPVectorizer: Add support for trees with external users.

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  9bba9f6

• Add a debug print

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  09ec4b2

• Add an additional testcase for PR15882.

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  ef3e423

Commits on May 6, 2013

• Update the comment to mention that we use TTI.

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  37d38b7

• Revert r164763 because it introduces new shuffles.

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  4ee312b

Commits on May 4, 2013

• whitespace

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  76be9bf

• Fix an odd comment.

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  0fb6523

Commits on May 3, 2013

• LoopVectorizer: Add support for if-conversion of PHINodes with 3+ incoming values.

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  4bcd5f8

Commits on May 1, 2013

• SROA: Generate selects instead of shuffles when blending values because this is the cannonical form.

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  fee6969

• Optimize away nop CONCAT_VECTOR nodes.

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  b2ed5fa

Commits on Apr 30, 2013

• Fix a typo

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  7fac0ef

• Update the release notes about the min/max reductions that Arnold added.

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  6f4888f

Commits on Apr 26, 2013

• Teach the interpreter to handle vector compares and additional vector arithmetic operations.

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  0d840bb

• LoopVectorizer: Calculate the number of pointers to disambiguate at runtime based on the numbers of reads and writes.

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  7557e52

Commits on Apr 25, 2013

• LoopVectorizer: No need to generate pointer disambiguation checks between readonly pointers.

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  975b1dd

Commits on Apr 23, 2013

• LoopVectorizer: Fix 15830. When scalarizing and unrolling stores make sure that the order in which the elements are scalarized is the same as the original order.

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  a7d9a6e

Commits on Apr 21, 2013

• SLPVectorize: Add support for vectorization of casts.

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  b86dff8

• SLPVectorizer: Fix a bug in the code that scans the tree in search of nodes with multiple users.

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  bd65805

Commits on Apr 20, 2013

• Fix PR15800. Do not try to vectorize vectors and structs.

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  4f38e16

• SLPVectorizer: Reduce the compile time by eliminating the search for some of the more expensive patterns. After this change will only check basic arithmetic trees that start at cmpinstr.

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  cd94971

• refactor tryToVectorizePair to a new method that supports vectorization of lists.

  Show description for 444e33e
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  444e33e

• Fix an unused variable warning.

  Show description for d7e8cce
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  d7e8cce

• SLPVectorizer: Improve the cost model for loop invariant broadcast values.

  Show description for 1d2ad83
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  1d2ad83

• Report the number of stores that were found in the debug message.

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  ef332b1

• Fix the header comment.

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  2aaa269

• Use 64bit arithmetic for calculating distance between pointers.

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  fbcaf59

Commits on Apr 15, 2013

• Fix a grammar mistake, and add a line about the two phases that the BB/SLP vectorizers have (top-down and bottom-up).

  Show description for 3fe91a4
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  3fe91a4

• Fix the internal link.

  Show description for 96e0b96
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  96e0b96

• Update the release notes about the vectorizers.

  Show description for 74cd12b
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  74cd12b

• SLPVectorizer: Make it a function pass and add code for hoisting the vector-gather sequence out of loops.

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  e9a4411

• Document our desire to enable the loop vectorizer on -Os in future releases.

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  2f7ce45

• Docs: merge the description of the BB and SLP vectorizers and document the -fslp-vectorize-aggressive flag.

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  fc175d9

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