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13 Commits

Author SHA1 Message Date
Tobias Grosser 7fbe6cb429 RegionInfo: Do not assert if a BB is not part of the dominance tree. 
llvm-svn: 110665
 2010-08-10 09:54:35 +00:00
Owen Anderson a7aed18624 Reapply r110396, with fixes to appease the Linux buildbot gods. 
llvm-svn: 110460
 2010-08-06 18:33:48 +00:00
Owen Anderson bda59bd247 Revert r110396 to fix buildbots. 
llvm-svn: 110410
 2010-08-06 00:23:35 +00:00
Owen Anderson 755aceb5d0 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.

llvm-svn: 110396
 2010-08-05 23:42:04 +00:00
Dan Gohman abfafadfc7 Fix namespace polution. 
llvm-svn: 110056
 2010-08-02 18:50:06 +00:00
Daniel Dunbar 18e39cec7a RegionInfo: Make sure to free cached nodes; Tobias, please check! 
llvm-svn: 109650
 2010-07-28 20:28:50 +00:00
Tobias Grosser fc763867d5 RegionInfo: Add getMaxRegionExit() 
getMaxRegionExit returns the exit of the maximal refined region starting
at a specific basic block.

llvm-svn: 109496
 2010-07-27 08:39:43 +00:00
Tobias Grosser 1bec81a888 Add function to query RegionInfo about loops. 
* contains(Loop), * getOutermostLoop()
* Improve getNameStr() to return a sensible name, if basic blocks are not named.

llvm-svn: 109490
 2010-07-27 04:17:13 +00:00
Dan Gohman b3aa6c7110 Use DominatorTree::properlyDominates instead of dominates with an 
explicit inequality check.

llvm-svn: 109398
 2010-07-26 17:34:05 +00:00
Gabor Greif 1a2da423c9 use cascading operator-> feature 
llvm-svn: 109104
 2010-07-22 13:49:27 +00:00
Gabor Greif d9f48ecb2e use -> instead of (*). 
llvm-svn: 109094
 2010-07-22 11:12:32 +00:00
Gabor Greif 07c8ad54da cache dereferenced iterator 
llvm-svn: 109093
 2010-07-22 11:07:46 +00:00
Tobias Grosser 336734aca6 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".

llvm-svn: 109089
 2010-07-22 07:46:31 +00:00