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clang-p2996/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
Sanjay Patel 64d309131a [InstCombine] try multi-use demanded bits fold for 'sub' 
This is similar to D133788 / 73919a87e9, but for sub
the transform is valid only for low zeros in operand 1.

https://alive2.llvm.org/ce/z/EmRsXC
2022-09-21 14:13:05 -04:00

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