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Do not assume anything about the top bits in llvm intrinsics receiving i8/i16 values #4865

Merged
merged 1 commit into from
Jan 19, 2017
Merged

Do not assume anything about the top bits in llvm intrinsics receiving i8/i16 values #4865

merged 1 commit into from
Jan 19, 2017

Commits on Jan 17, 2017

  1. do not assume anything about the top bits in llvm intrinsics receivin… 

    …g i8/i16 values - while normally we can assume that the top bits are clear due to how LLVM creates the call, if the call is an ffi or constructed in a non-clang way (see rust-lang/rust#39119 - rust emits a negative constant i8 -1 instead of clang's i8 255) then we must be careful
    @kripken
    kripken committed Jan 17, 2017
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