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Florian Hahn 294f3becd3 [ConstantFold] Use getMinSignedBits for APInt in isIndexInRangeOfArrayType.
Indices for getelementptr can be signed so we should use
getMinSignedBits instead of getActiveBits here. The function later calls
getSExtValue to get the int64_t value, which also checks
getMinSignedBits.

This fixes  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11647.

Reviewers: mssimpso, efriedma, davide

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D55536

llvm-svn: 348957
2018-12-12 18:55:14 +00:00
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2018-11-06 01:54:12 +00:00
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2018-11-17 01:44:25 +00:00
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