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21 Commits

Author SHA1 Message Date
Tobias Grosser 6287201d6e ScheduleOptimizer: Start with an empty union_map and add elements 
llvm-svn: 144900
 2011-11-17 12:56:04 +00:00
Tobias Grosser 1ae9a60426 ScheduleOptimizer: Some style changes 
- Use uppercase letters according to the LLVM coding style
- Rename functions to not include 'tiledSchedule', but just Schedule. This
  is more correct as tiling might be disabled.

llvm-svn: 144899
 2011-11-17 12:56:03 +00:00
Tobias Grosser 79b30201d6 ScheduleOptimizer: Use early exit 
Style fix, noted by Sebastian Pop.

llvm-svn: 144898
 2011-11-17 12:56:00 +00:00
Tobias Grosser 967239c029 Only have a single option to disable tiling for both isl and Pocc optimzer 
This also documents the new option on the website.

llvm-svn: 142775
 2011-10-23 20:59:44 +00:00
Tobias Grosser 67707b7131 Enable prevectorization with -enable-polly-vector. 
This removes the separate prevector options for the Pluto and isl scheduler.

llvm-svn: 142774
 2011-10-23 20:59:40 +00:00
Tobias Grosser 22636bf498 Rename -enable-schedule-prevector to -polly-prevector 
llvm-svn: 142771
 2011-10-23 20:59:29 +00:00
Tobias Grosser 353a2684bc ScheduleOptimizer: Allow to disable tiling 
llvm-svn: 142770
 2011-10-23 20:59:26 +00:00
Tobias Grosser 73600b8edd Initialize the passes early and properly. 
llvm-svn: 141455
 2011-10-08 00:30:40 +00:00
Tobias Grosser cf3942dfa6 ScopInfo: Only give away a copy of the schedule. 
llvm-svn: 141256
 2011-10-06 00:04:05 +00:00
Tobias Grosser f53388034d Adapt to introduction of isl_space 
Polly should now be compiled with CLooG 0c252c88946b27b7b61a1a8d8fd7f94d2461dbfd
and isl 56b7d238929980e62218525b4b3be121af386edf. The most convenient way to
update is utils/checkout_cloog.sh.

llvm-svn: 141251
 2011-10-06 00:03:35 +00:00
Tobias Grosser c532f12965 Fix crashes due to unaligned parameters 
Due to the recent introduction of isl_id, parameters need now always to be
aligned. This was not yet taken care of in the code path of vectorization and
dependence analysis.

llvm-svn: 138555
 2011-08-25 08:40:59 +00:00
Tobias Grosser b406d227d2 ScheduleOptimizer: Fix another memleak 
llvm-svn: 138554
 2011-08-25 08:40:52 +00:00
Tobias Grosser a954242c88 ScheduleOptimizer: Fix another memory leak 
llvm-svn: 138401
 2011-08-23 22:35:23 +00:00
Tobias Grosser 6e0fdcadfe ScheduleOptimizer: Fix some memory errors. 
This fixes reference counting if the schedule optimizer is used.

llvm-svn: 138325
 2011-08-23 12:31:14 +00:00
Tobias Grosser 2bd3af1e89 Fix two compiler warnings 
One of them actually pointed to an invalid condition in an assert.

llvm-svn: 136657
 2011-08-01 22:39:00 +00:00
Tobias Grosser 44f19ac3fb ScheduleOpt: Fix some bugs 
isl changed a function name, we did not properly initialize some variables
and we freed an isl_ctx object.

llvm-svn: 134448
 2011-07-05 22:15:53 +00:00
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 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 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