[llvm] [InstCombine] Extend Phi-Icmp use to include or (PR #67682)

[Nikita Popov via llvm-commits]

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@@ -1286,6 +1286,248 @@ if.end:                                           ; preds = %entry, %if.then
   ret i1  %cmp1
 }
 
+define i1 @phi_knownnonzero_eq_oricmp(i32 %n, i32 %s, ptr nocapture readonly %P, i32 %val) {
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nikic wrote:

Drop attributes.

https://github.com/llvm/llvm-project/pull/67682