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[InstCombine] Fix miscompile on GEP+load to icmp fold #628

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[InstCombine] Fix miscompile on GEP+load to icmp fold #628

wants to merge 2 commits into from

Commits on Jun 18, 2024

  1. [InstCombine] Add pre-commit test for Fix miscompile on GEP+load to i… 

    …cmp fold

Add test where for folding GEP+load to icmp
(uint64_t)-1 is used instead of
-1 that is represented in 256 bits.

Signed-off-by: Vladimir Radosavljevic <vr@matterlabs.dev>
    @vladimirradosavljevic
    vladimirradosavljevic committed Jun 18, 2024
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  2. [InstCombine] Fix miscompile on GEP+load to icmp fold 

    When constructing mask, use -1 that is
represented in 256 bits instead of
(uint64_t)-1 value.

Signed-off-by: Vladimir Radosavljevic <vr@matterlabs.dev>
    @vladimirradosavljevic
    vladimirradosavljevic committed Jun 18, 2024
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    95a8b42 View commit details
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