Guozhi Wei 92e9d0e80e [InstCombine] Combine A->B->A BitCast ...

This patch enhances InstCombine to handle following case:

        A  ->  B    bitcast
        PHI
        B  ->  A    bitcast

llvm-svn: 262670

2016-03-03 23:21:38 +00:00

82 KiB

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