[llvm] [Mips] Fix mfhi/mflo hazard miscompilation about div and mult (PR #91449)

[via llvm-commits]

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@@ -743,6 +743,12 @@ bool MipsDelaySlotFiller::searchRange(MachineBasicBlock &MBB, IterTy Begin,
     bool InMicroMipsMode = STI.inMicroMipsMode();
     const MipsInstrInfo *TII = STI.getInstrInfo();
     unsigned Opcode = (*Slot).getOpcode();
+
+    if ((CurrI->getOpcode() == Mips::MFLO ||
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yingopq wrote:

Updated.

https://github.com/llvm/llvm-project/pull/91449