ChipsSpectre 4444a7e89a [InstSimplify] Simplify the expression (a^c)&(a^~c) to zero and (a^c) | (a^~c) to minus one (#76637) ...

Changes the InstSimplify pass of the LLVM optimizer, such that the
aforementioned expression is reduced to zero if c2==~c1.
Alive2: https://alive2.llvm.org/ce/z/xkQiid
Fixes https://github.com/llvm/llvm-project/issues/75692.

2024-01-03 12:01:02 +01:00

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