When combining 'and' of an unsigned unpack and shuffle instruction,
bail early if shuffle is not constructed from a constant integer.
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Details
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[AArch64ISelLowering] Fix null pointer access in performSVEAndCombine. ClosedPublic Authored by huihuiz on Sep 9 2021, 4:23 PM.
Details Summary When combining 'and' of an unsigned unpack and shuffle instruction,
Diff Detail
Event TimelineHerald added subscribers: hiraditya, kristof.beyls, tschuett. · View Herald TranscriptSep 9 2021, 4:23 PM This revision is now accepted and ready to land.Sep 10 2021, 2:27 AM Closed by commit rGda4a2fd832a5: [AArch64ISelLowering] Fix null pointer access in performSVEAndCombine. (authored by huihuiz). · Explain WhySep 10 2021, 10:37 AM This revision was automatically updated to reflect the committed changes.
Revision Contents
Diff 371748 llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
llvm/test/CodeGen/AArch64/aarch64-sve-and-combine-crash.ll
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