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Author SHA1 Message Date
Tobias Grosser 7c5ba83015 ScheduleOpt: Prevectorize the innermost parallel loop 
Only prevectorize loops that are actually parallel and can
be vectorized. Take the innermost loop that is eligible.

llvm-svn: 134187
 2011-06-30 20:29:20 +00:00
Tobias Grosser c6699b7fe8 ScheduleOpt: Add first version of prevectorization 
We just strip-mine the innermost dimension by the vector width. This does not
take into account if this dimension is parallel nor if it is constant.

llvm-svn: 134186
 2011-06-30 20:29:13 +00:00
Tobias Grosser de68cc91cf ScheduleOpt: Use band forest to get the schedules 
isl introduced a new representation for the schedules it calculates. The new
representation uses a forest of bands and is closer to the structure of the
data as the old interface. Switch to the new interface, as it is nicer to use
and as the old interface will soon be removed from isl.

WARNING: This commit needs a version of isl that is more recent that the one
         included in CLooG. See:
	 http://polly.grosser.es/get_started.html#islTrunk
llvm-svn: 134181
 2011-06-30 20:01:02 +00:00
Tobias Grosser 080307119e Buildsystem: Add -no-rtti 
Build Polly without run time type info (rtti), as otherwise Polly cannot be
loaded into a LLVM that is built without rtti.

llvm-svn: 134180
 2011-06-30 19:50:04 +00:00
Tobias Grosser 97fb5acf48 CodeGeneration: Adapt to SCEVExpander change 
Reported-By: Sebastian Pop <sebpop@gmail.com>
llvm-svn: 134179
 2011-06-30 19:39:10 +00:00
Tobias Grosser 538d458bbc www: Fix typos. 
llvm-svn: 134158
 2011-06-30 14:43:35 +00:00
Tobias Grosser 1dbc8a00a2 www/contributers: Add founding through Google Doctoral Fellowship 
llvm-svn: 134156
 2011-06-30 14:32:33 +00:00
Tobias Grosser 3fb8c11bd0 www/get_started: Explain when PoCC is needed 
llvm-svn: 134153
 2011-06-30 14:07:35 +00:00
Tobias Grosser 672137eaa0 www: How to use most recent version of isl 
In some cases it is necessary to use a version of isl that is more recent than
the one included with CLooG. Point out what is needed to get such a version.

llvm-svn: 134152
 2011-06-30 14:07:23 +00:00
Raghesh Aloor 49a3a7ba20 www: Adding webpage to track memory access transformation 
llvm-svn: 133354
 2011-06-18 17:17:16 +00:00
Raghesh Aloor 94085eaa83 www: Adding link to memaccess.html 
llvm-svn: 133353
 2011-06-18 17:09:33 +00:00
Tobias Grosser 3d2efafb36 www: Fix path to git repository. 
llvm-svn: 132761
 2011-06-08 22:46:40 +00:00
Tobias Grosser d0357f8cc8 www: Allow file listing in directory of example files. 
llvm-svn: 132755
 2011-06-08 17:36:11 +00:00
Tobias Grosser 7e01c25f45 www: Add website for the LLVM bugtracker use 
llvm-svn: 132678
 2011-06-06 15:50:09 +00:00
Tobias Grosser 64cae02ec2 www: Enable SSI on the webserver. 
llvm-svn: 132120
 2011-05-26 12:20:16 +00:00
Tobias Grosser cf771b146b www: Use absolute links 
Like this the menu can also be used in subdirectories.

llvm-svn: 131964
 2011-05-24 13:56:06 +00:00
Tobias Grosser e7f23ffa66 www: Add documentation.html 
llvm-svn: 131963
 2011-05-24 13:29:23 +00:00
Tobias Grosser efe01ce677 www: Add a separarate documentation section. 
llvm-svn: 131962
 2011-05-24 13:15:01 +00:00
Tobias Grosser 76747f76a0 ScheduleOptimizer: Declare functions static 
Functions that are currently only used in this file can be declared static.

Suggested by: ether

llvm-svn: 131960
 2011-05-24 12:20:07 +00:00
Tobias Grosser 766b4742cc www: Add two publications 
Tobias' diploma thesis and Raghesh's master thesis.

llvm-svn: 131959
 2011-05-24 12:20:00 +00:00
Tobias Grosser 4e3f9a4c5c CodeGeneration: Use FIXME instead of XXX 
Cleanup suggested by ether.

llvm-svn: 131898
 2011-05-23 15:23:36 +00:00
Tobias Grosser f6ed8ffd69 www: Colorize TODO status 
llvm-svn: 131361
 2011-05-14 19:02:51 +00:00
Tobias Grosser 5d6eb86965 CodeGeneration: Cleanup getAnalysis/addPreserved 
llvm-svn: 131360
 2011-05-14 19:02:45 +00:00
Tobias Grosser 3fdecaee2a CodeGeneration: Localize variables 
llvm-svn: 131359
 2011-05-14 19:02:39 +00:00
Tobias Grosser abb6dcd865 CodeGeneration: Admit that we change the code. 
No need to pretend anymore that we do not update the LLVM-IR.

llvm-svn: 131358
 2011-05-14 19:02:34 +00:00
Tobias Grosser 2aec339d28 Cloog: Export clast_root 
llvm-svn: 131357
 2011-05-14 19:02:29 +00:00
Tobias Grosser e91c53d2a9 CodeGeneration: No need to forget SCoP. 
As we do not delete the SCoP, there is no need to remove it from the SCoP
detection.

llvm-svn: 131356
 2011-05-14 19:02:21 +00:00
Tobias Grosser 678dbbf3b0 CodeGeneration: We do not preserve the PostDominatorTree 
llvm-svn: 131355
 2011-05-14 19:02:12 +00:00
Tobias Grosser 30aa24cd6b ScheduleOptimizer: Add an isl based schedule optimizer 
The isl based routines implement a new interpretation of the Pluto algorithm
new interpretation. This patch requires a recent version of isl to be installed.

llvm-svn: 131354
 2011-05-14 19:02:06 +00:00
Tobias Grosser 7a16c895ac CodeGeneration: Remove -polly-codegen-only 
If we only want to optimize a single function, we should extract this function
into a separate .ll file. This simplifies the code.

llvm-svn: 131353
 2011-05-14 19:01:55 +00:00
Tobias Grosser 8c4cfc327b CodeGeneration: Do not delete the old version of the Scop. 
Instead of deleting the old code, keep it on the side in an if-branch. It will
either be deleted by the dead code elimination or we can use it as fallback.

llvm-svn: 131352
 2011-05-14 19:01:49 +00:00
Tobias Grosser 76d7c529fb CodeGeneration: Support only simple regions 
llvm-svn: 131351
 2011-05-14 19:01:37 +00:00
Tobias Grosser c0b259ad90 www: Update status of our move to the LLVM infrastructure 
llvm-svn: 131307
 2011-05-13 20:51:45 +00:00
Tobias Grosser 1aabf2777b www: Use german 'umlaut' in Simbuerger 
llvm-svn: 131247
 2011-05-12 21:36:27 +00:00
Tobias Grosser a806606aaa ScopDetection: Move implementation of function from header to .cpp file 
llvm-svn: 131246
 2011-05-12 21:33:28 +00:00
Tobias Grosser d5a7bfc51d ScopInfo: Do not return reference to member variable 'domain'. 
Instead of returning a pointer to the domain, we return a new copy of it. This
is safer, as we do not give access to internal objects. It is also not
expensive, as isl will just increment a reference counter.

llvm-svn: 131010
 2011-05-06 19:52:19 +00:00
Tobias Grosser 69f8514cb7 Dependences: Add interface to retrieve dependences. 
llvm-svn: 131009
 2011-05-06 19:52:09 +00:00
Hongbin Zheng 94c5df16e2 ScopDetection: Remember the functions generated by backend in a pointer set, so we 
do not re-generate code for these functions.

llvm-svn: 130975
 2011-05-06 02:38:20 +00:00
Hongbin Zheng dbdebe28de Refactor: Move 'isParallelFor' from codegen backend to Dependences analysis, so other passes can also use it. 
llvm-svn: 130752
 2011-05-03 13:46:58 +00:00
Tobias Grosser e79a5e65c0 www: Finish first draft of the matmul example 
llvm-svn: 130751
 2011-05-03 09:40:40 +00:00
Tobias Grosser fe6d9849a1 Add new website for Polly 
Use the content of the Polly wiki page[1] to create a new website. I do not yet
plan to officially promote this website, but it is already a solid base that we
can improve and peer review.

[1] http://wiki.llvm.org/Polly

llvm-svn: 130689
 2011-05-02 07:48:29 +00:00
Hongbin Zheng 27f3afbc1a ScopInfo: Rememeber the induction variable and its parent loop at the same thime. 
llvm-svn: 130586
 2011-04-30 03:26:51 +00:00
Hongbin Zheng ad6915685e JSON: Do not use throw when exception is disabled. 
llvm-svn: 130575
 2011-04-30 02:47:34 +00:00
Hongbin Zheng 986fee0055 JSON: Disable exception in JSON library, because exception is disable by by default. 
llvm-svn: 130574
 2011-04-30 02:30:58 +00:00
Andreas Simbuerger 0593f53295 Add e-mail to credits file. 
llvm-svn: 130484
 2011-04-29 07:54:20 +00:00
Hongbin Zheng e1bd40cfbd Partial support test polly for out of tree build. 
llvm-svn: 130482
 2011-04-29 07:34:54 +00:00
Tobias Grosser ca3bef8461 JSONExport: Some cleanups 
llvm-svn: 130481
 2011-04-29 06:52:36 +00:00
Tobias Grosser b4c99fae86 CREDITS: Replace LLVM with Polly 
llvm-svn: 130480
 2011-04-29 06:42:42 +00:00
Tobias Grosser b6a7c8d76b Add a converter from jscop to iscc input 
llvm-svn: 130478
 2011-04-29 06:29:20 +00:00
Tobias Grosser b0927ea141 JSONExporter: Remove unused variable 
llvm-svn: 130477
 2011-04-29 06:27:09 +00:00