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Commit 54c683f9 authored by Davide Italiano's avatar Davide Italiano
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[SCCP] Make sure SCCP and ConstantFolding agree on undef >> a. 

Currently SCCP folds the value to -1, while ConstantProp folds to
0. This changes SCCP to do what ConstantFolding does.

llvm-svn: 289147
parent 3c04f8d7
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