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[llvm][RISCV] Correct the order of statement in insertVSETMTK #163215

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Merged
merged 2 commits into from
Oct 13, 2025
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[llvm][RISCV] Correct the order of statement in insertVSETMTK #163215

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901f81e
[llvm][RISCV] Correct the order of statement in insertVSETMTK
4vtomat Oct 13, 2025
0cd3a84
fixup! [llvm][RISCV] Correct the order of statement in insertVSETMTK
4vtomat Oct 13, 2025
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8 changes: 4 additions & 4 deletions llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1945,19 +1945,19 @@ bool RISCVInsertVSETVLI::insertVSETMTK(MachineBasicBlock &MBB,
.addImm(Log2_32(CurrInfo.getTWiden()) + 1);

Changed = true;
Register Reg = Op.getReg();
Op.setReg(RISCV::NoRegister);
Op.setIsKill(false);
if (LIS) {
LIS->InsertMachineInstrInMaps(*TmpMI);
LiveInterval &LI = LIS->getInterval(Op.getReg());
LiveInterval &LI = LIS->getInterval(Reg);

// Erase the AVL operand from the instruction.
LIS->shrinkToUses(&LI);
// TODO: Enable this once needVSETVLIPHI is supported.
// SmallVector<LiveInterval *> SplitLIs;
// LIS->splitSeparateComponents(LI, SplitLIs);
}

Op.setReg(RISCV::NoRegister);
Op.setIsKill(false);
}
return Changed;
}
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