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[InstCombine] Combine A->B->A BitCast

Authored by Carrot on Mar 17 2016, 11:47 AM.

Description

[InstCombine] Combine A->B->A BitCast

This patch enhances InstCombine to handle following case:

A  ->  B    bitcast
PHI
B  ->  A    bitcast

llvm-svn: 263734

Details

Committed
CarrotMar 17 2016, 11:47 AM
Parents
rGc9058ca9e0da: [Statepoints] Export a magic constant into a header; NFC
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