Benjamin Kramer
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4193023537
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CorrelatedPropagation: BasicBlock::removePredecessor can simplify PHI nodes. If the it's the condition of a SwitchInst, reload it.
Fixes PR13972.
llvm-svn: 164818
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2012-09-28 10:42:50 +00:00 |
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Owen Anderson
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de42e1136e
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Fix PR8790, another instance where unreachable code can cause instruction simplification to fail,
this case involve a select that simplifies to itself.
llvm-svn: 121817
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2010-12-15 00:55:35 +00:00 |
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Owen Anderson
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521e8dfef8
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Fix PR8161, in which an unreachable loop causes recursive instruction simplification to try
to replace an instruction with itself. Add a predicate to the simplifier to prevent this case.
llvm-svn: 114097
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2010-09-16 17:42:36 +00:00 |
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