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2012-09-05JumpThreading: when default destination is the destination of some cases in aManman Ren
switch, make sure we include the value for the cases when calculating edge value from switch to the default destination. rdar://12241132 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-15Teach jump threading to "look through" a select when the branch direction of ↵Frits van Bommel
a terminator depends on it. When it sees a promising select it now tries to figure out whether the condition of the select is known in any of the predecessors and if so it maps the operands appropriately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121859 91177308-0d34-0410-b5e6-96231b3b80d8