llvm-project

1f49c949 - [InstSimplify] Simplify get.active.lane.mask when 2nd arg is zero (#158018)

[InstSimplify] Simplify get.active.lane.mask when 2nd arg is zero (#158018) When the second argument passed to the get.active.lane.mask intrinsic is zero we can simplify the instruction to return an all-false mask regardless of the first operand.