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. llvm-svn: 163091 |
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|---|---|---|
| .. | ||
| 2009-01-25-SingleEntryPhi.ll | ||
| PhiRename-1.ll | ||
| PhiSelfRefernce-1.ll | ||
| alloca.ll | ||
| basic.ll | ||
| crash.ll | ||
| dbgvalue.ll | ||
| indirectbr.ll | ||
| lit.local.cfg | ||
| multiple-exits.ll | ||
| phi-duplicate.ll | ||
| pr2639.ll | ||
| preserve-scev.ll | ||
| simplifylatch.ll | ||