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70 Commits

Author SHA1 Message Date
Tobias Grosser
c69bd733c0 RegioInfo: Add getExpandedRegion(). 
getExpandedRegion() enables us to create non canonical regions. Those regions
can be used to define the largerst region, that fullfills a certain property.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116397 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 05:54:11 +00:00
Tobias Grosser
4bcc0228dc RegionInfo: Allow to update exit and entry of a region. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 05:54:10 +00:00
Tobias Grosser
9649390e1f RegionInfo: Enhance addSubregion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 05:54:09 +00:00
Tobias Grosser
9ee5c50776 RegionInfo: Allow to set the parent region of a basic block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116394 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 05:54:07 +00:00
Tobias Grosser
67be08a2f1 RegionInfo: Free the RegionNodes in cache. 
Contributed by: ether

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116380 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 00:07:59 +00:00
Owen Anderson
2ab36d3502 Begin adding static dependence information to passes, which will allow us to 
perform initialization without static constructors AND without explicit initialization
by the client.  For the moment, passes are required to initialize both their
(potential) dependencies and any passes they preserve.  I hope to be able to relax
the latter requirement in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116334 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-12 19:48:12 +00:00
Owen Anderson
ce665bd2e2 Now with fewer extraneous semicolons! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115996 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-07 22:25:06 +00:00
Tobias Grosser
73362c820b RegionInfo: Do not assert if a BB is not part of the dominance tree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 09:54:35 +00:00
Owen Anderson
90c579de5a Reapply r110396, with fixes to appease the Linux buildbot gods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110460 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 18:33:48 +00:00
Owen Anderson
1f74590e9d Revert r110396 to fix buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 00:23:35 +00:00
Owen Anderson
9ccaf53ada Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static 
ID member as the sole unique type identifier.  Clean up APIs related to this change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 23:42:04 +00:00
Dan Gohman
811edc1f1a Fix namespace polution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110056 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-02 18:50:06 +00:00
Daniel Dunbar
329878f4dd RegionInfo: Make sure to free cached nodes; Tobias, please check! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109650 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-28 20:28:50 +00:00
Tobias Grosser
0e6fcf4be3 RegionInfo: Add getMaxRegionExit() 
getMaxRegionExit returns the exit of the maximal refined region starting
at a specific basic block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109496 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-27 08:39:43 +00:00
Tobias Grosser
082d587d35 Add function to query RegionInfo about loops. 
* contains(Loop), * getOutermostLoop()
* Improve getNameStr() to return a sensible name, if basic blocks are not named.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109490 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-27 04:17:13 +00:00
Dan Gohman
a29dbd2dcc Use DominatorTree::properlyDominates instead of dominates with an 
explicit inequality check.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109398 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-26 17:34:05 +00:00
Gabor Greif
f95eef695d use cascading operator-> feature 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109104 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 13:49:27 +00:00
Gabor Greif
11aa60d05a use -> instead of (*). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 11:12:32 +00:00
Gabor Greif
3d8586eb63 cache dereferenced iterator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 11:07:46 +00:00
Tobias Grosser
f96b006367 Add new RegionInfo pass. 
The RegionInfo pass detects single entry single exit regions in a function,
where a region is defined as any subgraph that is connected to the remaining
graph at only two spots.
Furthermore an hierarchical region tree is built.
Use it by calling "opt -regions analyze" or "opt -view-regions".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109089 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 07:46:31 +00:00