Commit Graph

10 Commits

Author SHA1 Message Date
Chandler Carruth 2946cd7010 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00
Florian Hahn 45e5d5b4be [VPlan] Move recipe construction to VPRecipeBuilder.
This patch moves the recipe-creation functions out of
LoopVectorizationPlanner, which should do the high-level
orchestration of the transformations.

Reviewers: dcaballe, rengolin, hsaito, Ayal

Reviewed By: dcaballe

Differential Revision: https://reviews.llvm.org/D47595

llvm-svn: 334305
2018-06-08 17:30:45 +00:00
Florian Hahn b3c6f07dde [VPlan] Move recipe based VPlan generation to separate function.
This first step separates VPInstruction-based and VPRecipe-based
VPlan creation, which should make it easier to migrate to VPInstruction
based code-gen step by step.

Reviewers: Ayal, rengolin, dcaballe, hsaito, mkuper, mzolotukhin

Reviewed By: dcaballe

Subscribers: bollu, tschuett, rkruppe, llvm-commits

Differential Revision: https://reviews.llvm.org/D47477

llvm-svn: 334284
2018-06-08 12:53:51 +00:00
Diego Caballero 168d04d544 [VPlan] Reland r332654 and silence unused func warning
r332654 was reverted due to an unused function warning in
release build. This commit includes the same code with the
warning silenced.

Differential Revision: https://reviews.llvm.org/D44338

llvm-svn: 332860
2018-05-21 18:14:23 +00:00
Galina Kistanova 083ea389d6 Reverted r332654 as it has broken some buildbots and left unfixed for a long time.
The introduced problem is:
llvm.src/lib/Transforms/Vectorize/VPlanVerifier.cpp:29:13: error: unused function 'hasDuplicates' [-Werror,-Wunused-function]
static bool hasDuplicates(const SmallVectorImpl<VPBlockBase *> &VPBlockVec) {
            ^

llvm-svn: 332747
2018-05-18 18:14:06 +00:00
Diego Caballero f58ad3129c [LV][VPlan] Build plain CFG with simple VPInstructions for outer loops.
Patch #3 from VPlan Outer Loop Vectorization Patch Series #1
(RFC: http://lists.llvm.org/pipermail/llvm-dev/2017-December/119523.html).

Expected to be NFC for the current inner loop vectorization path. It
introduces the basic algorithm to build the VPlan plain CFG (single-level
CFG, no hierarchical CFG (H-CFG), yet) in the VPlan-native vectorization
path using VPInstructions. It includes:
  - VPlanHCFGBuilder: Main class to build the VPlan H-CFG (plain CFG without nested regions, for now).
  - VPlanVerifier: Main class with utilities to check the consistency of a H-CFG.
  - VPlanBlockUtils: Main class with utilities to manipulate VPBlockBases in VPlan.

Reviewers: rengolin, fhahn, mkuper, mssimpso, a.elovikov, hfinkel, aprantl.

Differential Revision: https://reviews.llvm.org/D44338

llvm-svn: 332654
2018-05-17 19:24:47 +00:00
Adrian Prantl 5f8f34e459 Remove \brief commands from doxygen comments.
We've been running doxygen with the autobrief option for a couple of
years now. This makes the \brief markers into our comments
redundant. Since they are a visual distraction and we don't want to
encourage more \brief markers in new code either, this patch removes
them all.

Patch produced by

  for i in $(git grep -l '\\brief'); do perl -pi -e 's/\\brief //g' $i & done

Differential Revision: https://reviews.llvm.org/D46290

llvm-svn: 331272
2018-05-01 15:54:18 +00:00
Diego Caballero 60f2776b2f [LV][VPlan] Detect outer loops for explicit vectorization.
Patch #2 from VPlan Outer Loop Vectorization Patch Series #1
(RFC: http://lists.llvm.org/pipermail/llvm-dev/2017-December/119523.html).

This patch introduces the basic infrastructure to detect, legality check
and process outer loops annotated with hints for explicit vectorization.
All these changes are protected under the feature flag
-enable-vplan-native-path. This should make this patch NFC for the existing
inner loop vectorizer.

Reviewers: hfinkel, mkuper, rengolin, fhahn, aemerson, mssimpso.

Differential Revision: https://reviews.llvm.org/D42447

llvm-svn: 330739
2018-04-24 17:04:17 +00:00
David Blaikie 42bcdffd24 Add missing includes
llvm-svn: 324040
2018-02-02 00:11:09 +00:00
Hal Finkel 0f1314c5ee [LV][VPlan] NFC patch to move LoopVectorizationPlanner class out of LoopVectorize.cpp
Another small step forward to move VPlan stuff outside of LoopVectorize.cpp.

VPlanBuilder.h is renamed to LoopVectorizationPlanner.h
LoopVectorizationPlanner class is moved from LoopVectorize.cpp to
LoopVectorizationPlanner.h LoopVectorizationCostModel::VectorizationFactor
class is moved to LoopVectorizationPlanner.h (used by the planner class) ---
this needs further streamlining work in later patches and thus all I did was
take it out of the CostModel class and moved to the header file.  The callback
function had to stay inside LoopVectorize.cpp since it calls an
InnerLoopVectorizer member function declared in it.  Next Steps: Make
InnerLoopVectorizer, LoopVectorizationCostModel, and other classes more modular
and more aligned with VPlan direction, in small increments.

Previous step was: r320900 (https://reviews.llvm.org/D41045)

Patch by Hideki Saito, thanks!

Differential Revision: https://reviews.llvm.org/D41420

llvm-svn: 321962
2018-01-07 16:02:58 +00:00