[llvm] [MachineLICM] Hoist COPY instruction only when user can be hoisted (PR #81735)

via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 26 04:49:46 PST 2024


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@@ -1264,13 +1264,24 @@ bool MachineLICMBase::IsProfitableToHoist(MachineInstr &MI,
 
   // If we have a COPY with other uses in the loop, hoist to allow the users to
   // also be hoisted.
+  Register defReg;
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michaelselehov wrote:

Done.

https://github.com/llvm/llvm-project/pull/81735


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