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[X86]Remove X86-specific dead code in ScheduleDAGRRList.cpp #67629

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Merged
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Sep 30, 2023
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[X86]Remove X86-specific dead code in ScheduleDAGRRList.cpp #67629

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5 changes: 0 additions & 5 deletions llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -986,11 +986,6 @@ SUnit *ScheduleDAGRRList::TryUnfoldSU(SUnit *SU) {
if (!TII->unfoldMemoryOperand(*DAG, N, NewNodes))
return nullptr;

// unfolding an x86 DEC64m operation results in store, dec, load which
// can't be handled here so quit
if (NewNodes.size() == 3)
return nullptr;

assert(NewNodes.size() == 2 && "Expected a load folding node!");

N = NewNodes[1];
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