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3 Commits

Author SHA1 Message Date
Michael Gottesman
3275fc669d LLVM_DELETED_FUNCTION => = delete. NFC. 
Swift SVN r21867
 2014-09-11 05:41:12 +00:00
Michael Gottesman
e998695670 [g-arc-opts] Refactor global arc opts to use the PostOrderAnalysis. 
Swift SVN r19915
 2014-07-14 01:32:27 +00:00
Michael Gottesman
7d5751594d Add in a post order analysis that lazily recomputes post orders for functions when they are invalidated. 
This ensures that if we have a bunch of passes in a row which modify the CFG, we
do not continually rebuild the post order, while at the same time preserving the
property of multiple passes which do not touch the CFG sharing the same post
order, reverse post order rather than recomputing them.

rdar://17654239

Swift SVN r19913
 2014-07-14 01:32:24 +00:00