Guozhi Wei 7b390ec4cd [InstCombine] Combine A->B->A BitCast ...

This patch enhances InstCombine to handle following case:

        A  ->  B    bitcast
        PHI
        B  ->  A    bitcast

llvm-svn: 263734

2016-03-17 18:47:20 +00:00

82 KiB

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