[llvm] f8ad6e0 - [RISCV][VLOPT] Get MachineInstr from MachineOperand in getOperandInfo. NFC (#119838)

[via llvm-commits]

Author: Luke Lau
Date: 2024-12-16T11:46:24+08:00
New Revision: f8ad6e0cdae3cbc1618b19c3c7b41021070c0e94

URL: https://github.com/llvm/llvm-project/commit/f8ad6e0cdae3cbc1618b19c3c7b41021070c0e94
DIFF: https://github.com/llvm/llvm-project/commit/f8ad6e0cdae3cbc1618b19c3c7b41021070c0e94.diff

LOG: [RISCV][VLOPT] Get MachineInstr from MachineOperand in getOperandInfo. NFC (#119838)

IICU MI should be MO's parent, so just use MachineOperand::getParent().

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp b/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp
index d151fe9dd1044b..5f330e272ad0e5 100644
--- a/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp
+++ b/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp
@@ -211,10 +211,10 @@ static bool isMaskOperand(const MachineInstr &MI, const MachineOperand &MO,
   return Desc.operands()[MO.getOperandNo()].RegClass == RISCV::VMV0RegClassID;
 }
 
-/// Return the OperandInfo for MO, which is an operand of MI.
-static OperandInfo getOperandInfo(const MachineInstr &MI,
-                                  const MachineOperand &MO,
+/// Return the OperandInfo for MO.
+static OperandInfo getOperandInfo(const MachineOperand &MO,
                                   const MachineRegisterInfo *MRI) {
+  const MachineInstr &MI = *MO.getParent();
   const RISCVVPseudosTable::PseudoInfo *RVV =
       RISCVVPseudosTable::getPseudoInfo(MI.getOpcode());
   assert(RVV && "Could not find MI in PseudoTable");
@@ -942,8 +942,8 @@ bool RISCVVLOptimizer::checkUsers(const MachineOperand *&CommonVL,
     assert(isVectorRegClass(UserMI.getOperand(0).getReg(), MRI) &&
            "Expected DEF and USE to be vector registers");
 
-    OperandInfo ConsumerInfo = getOperandInfo(UserMI, UserOp, MRI);
-    OperandInfo ProducerInfo = getOperandInfo(MI, MI.getOperand(0), MRI);
+    OperandInfo ConsumerInfo = getOperandInfo(UserOp, MRI);
+    OperandInfo ProducerInfo = getOperandInfo(MI.getOperand(0), MRI);
     if (ConsumerInfo.isUnknown() || ProducerInfo.isUnknown() ||
         !OperandInfo::EMULAndEEWAreEqual(ConsumerInfo, ProducerInfo)) {
       LLVM_DEBUG(dbgs() << "    Abort due to incompatible or unknown "