[llvm] [SimplifyCFG] Use hash map to continue hoisting the common instructions (PR #78615)

[Yingwei Zheng via llvm-commits]

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@@ -3647,7 +3776,6 @@ static bool FoldTwoEntryPHINode(PHINode *PN, const TargetTransformInfo &TTI,
     // Change the PHI node into a select instruction.
     Value *TrueVal = PN->getIncomingValueForBlock(IfTrue);
     Value *FalseVal = PN->getIncomingValueForBlock(IfFalse);
-
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dtcxzyw wrote:

Please drop the change.

https://github.com/llvm/llvm-project/pull/78615