2 Commits

Author	SHA1	Message	Date
Devang Patel	c56423b500	Rewrite code that 1) filters loops and 2) calculates new loop bounds. ... This fixes many bugs. I will add more test cases in a separate check-in. Some day, the code that manipulates CFG and updates dom. info could use refactoring help. llvm-svn: 60554	2008-12-04 21:38:42 +00:00
Devang Patel	647a1e532b	Check loop exit predicate properly while eliminating one iteration loop. ... This patch fixes PR 2869 llvm-svn: 57369	2008-10-10 22:02:57 +00:00