[llvm] [X86] LowerSelect - generalize "select icmp(x,0), lhs, rhs" folding patterns. (PR #107272)

[Thorsten Schütt via llvm-commits]

tschuett wrote:

https://github.com/llvm/llvm-project/pull/105991
It tries so simplify an icmp x, 0, which is the condition of your select.

https://github.com/llvm/llvm-project/pull/107272