Dan Gohman f042660197 Move Instruction::isSafeToSpeculativelyExecute out of VMCore and ...

into Analysis as a standalone function, since there's no need for
it to be in VMCore. Also, update it to use isKnownNonZero and
other goodies available in Analysis, making it more precise,
enabling more aggressive optimization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146610 91177308-0d34-0410-b5e6-96231b3b80d8

2011-12-14 23:49:11 +00:00

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