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[ARM GlobalISel] Widen small shift operands

Authored by rovka on Apr 30 2019, 2:24 AM.

Description

[ARM GlobalISel] Widen small shift operands

The legalizer was already widening the shift amount. Add tests for that
behaviour, and also support widening the shifted value.

llvm-svn: 359542

Details

Committed
rovkaApr 30 2019, 2:24 AM
Parents
rG7bce25cd7d07: [AsmPrinter] Make AsmPrinter::HandlerInfo::Handler a unique_ptr
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