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which branch on undef to branch on a boolean constant for the edge exiting the loop. This helps ScalarEvolution compute trip counts for loops. Teach ScalarEvolution to recognize single-value PHIs, when safe, and ForgetSymbolicName to forget such single-value PHI nodes as apprpriate in ForgetSymbolicName. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97126 91177308-0d34-0410-b5e6-96231b3b80d8 |
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2007-07-23-InfiniteLoop.ll | ||
2008-05-06-Phi.ll | ||
dcetest.ll | ||
dg.exp | ||
multiple-exit-conditions.ll | ||
simplify-then-delete.ll |