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Commit 92e9d0e8 authored by Guozhi Wei's avatar Guozhi Wei
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[InstCombine] Combine A->B->A BitCast 

This patch enhances InstCombine to handle following case:

        A  ->  B    bitcast
        PHI
        B  ->  A    bitcast

llvm-svn: 262670
parent 7b3c72a3
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