llvm-project

8e9e38ac - [X86] Try to shrink i64 compares if the input has enough sign bits (#149719)

[X86] Try to shrink i64 compares if the input has enough sign bits (#149719) If there are enough sign bits in a 64 bit value, we can just compare the bottom 32 bits. --------- Co-authored-by: Simon Pilgrim <llvm-dev@redking.me.uk>