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a43b952b5a
Teach SCCP to create notconstant lattice values from inequality assumes and nonnull metadata, and update getConstant() to make use of them. Additionally isOverdefined() needs to be changed to consider notconstant an overdefined value. Handling inequality branches is delayed until our branch on undef story in other passes has been improved. Differential Revision: https://reviews.llvm.org/D83643 |
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