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[InstCombine] Preserve 'exact' in -(X >>u 31) -> (X >>s 31) fold

Authored by lebedev.ri on Oct 1 2019, 10:50 AM.

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[InstCombine] Preserve 'exact' in -(X >>u 31) -> (X >>s 31) fold

https://rise4fun.com/Alive/yR4

llvm-svn: 373363

Details

Committed
lebedev.riOct 1 2019, 10:50 AM
Parents
rGf273fc793a9a: [NFC][InstCombine] (Better) tests for sign-bit-smearing pattern
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