[llvm] [Fix] A replaced SDValue is used to call getNode function (PR #82881)

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RicoAfoat wrote:

@RKSimon Sorry but I forgot to tell you that I don't have commit access. And buildkite start to fail on a strange flang testcase (it seems like it is an irrelevant test). Am I suppose to do anything else?

https://github.com/llvm/llvm-project/pull/82881