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Author SHA1 Message Date
Dan Gohman 0d401124d1 Trim a bunch of unneeded code from this testcase. 
llvm-svn: 86640
 2009-11-10 01:33:08 +00:00
Dan Gohman c146c78060 Generalize LCSSA to handle loops with exits with predecessors outside 
the loop. This is needed because with indirectbr it may not be possible
for LoopSimplify to guarantee that all loop exit predecessors are
inside the loop. This fixes PR5437.

LCCSA no longer actually requires LoopSimplify form, but for now it
must still have the dependency because the PassManager doesn't know
how to schedule LoopSimplify otherwise.

llvm-svn: 86569
 2009-11-09 18:28:24 +00:00