[llvm] [LICM][WIP] Make an integer version of hoistFPAssociation. (PR #67736)

[Nikita Popov via llvm-commits]

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@@ -2719,6 +2728,65 @@ static bool hoistFPAssociation(Instruction &I, Loop &L,
   return true;
 }
 
+static bool hoistIntAssociation(Instruction &I, Loop &L,
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nikic wrote:

This should probably be explicitly mentioned in LangRef, but we widely assume that reassoc also permits distribution.

https://github.com/llvm/llvm-project/pull/67736