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We update until we hit a fixpoint. This is probably slow but also slightly simplifies the code. It should also fix the occasional invalid domtrees observed when building with expensive checking. I couldn't find a case where this had a measurable slowdown, but if someone finds a pathological case where it does we may have to find a cleverer way of updating dominators here. Thanks to Duncan for the test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163091 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
2009-01-25-SingleEntryPhi.ll | ||
alloca.ll | ||
basic.ll | ||
crash.ll | ||
dbgvalue.ll | ||
indirectbr.ll | ||
lit.local.cfg | ||
multiple-exits.ll | ||
phi-duplicate.ll | ||
PhiRename-1.ll | ||
PhiSelfRefernce-1.ll | ||
pr2639.ll | ||
preserve-scev.ll | ||
simplifylatch.ll |