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346b13120a
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4 Commits

Author SHA1 Message Date
Gabor Greif
346b13120a use cascading operator-> feature 
llvm-svn: 109104
 2010-07-22 13:49:27 +00:00
Gabor Greif
197322c365 use -> instead of (*). 
llvm-svn: 109094
 2010-07-22 11:12:32 +00:00
Gabor Greif
e826ece8c2 cache dereferenced iterator 
llvm-svn: 109093
 2010-07-22 11:07:46 +00:00
Tobias Grosser
604a50cd71 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