6 Commits

Author	SHA1	Message	Date
Owen Anderson	e2432761f0	Owen Anderson 2009-06-15: Use a SmallPtrSet here, for speed and to match df_iterator. ... Owen Anderson 2009-06-15: Remember to clear out our maps to prevent crashing. llvm-svn: 73438	2009-06-15 22:54:48 +00:00
Owen Anderson	c59a7cb8cc	Improve style. ... llvm-svn: 73258	2009-06-12 22:07:19 +00:00
Owen Anderson	eaac7a42fe	This is supposed to be a preorder numbering of the dominator tree, not the CFG. ... llvm-svn: 73257	2009-06-12 21:50:22 +00:00
Owen Anderson	d0428da398	Now with less iterator invalidation, and other forms of crashing! ... llvm-svn: 73256	2009-06-12 21:41:29 +00:00
Sanjiv Gupta	9a8f2f7d58	Remove warnings: no newline at end of file. ... llvm-svn: 73156	2009-06-10 03:42:13 +00:00
Owen Anderson	f6df30852b	Add the beginnings of an implementatation of lazy liveness analysis, based on "Fast Liveness Checking for SSA-form Programs" by Boissinot, et al. ... This is still very early, hasn't been tested, and is not yet well documented. More to come soon. llvm-svn: 73141	2009-06-09 19:30:45 +00:00