1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp b/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
index de4377ec5a4..2c3ac816219 100644
--- a/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
+++ b/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
@@ -1952,6 +1952,24 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
       MI.eraseFromParent();
       return true;
     }
+    case ARM::LOADDUAL:
+    case ARM::STOREDUAL: {
+      Register PairReg = MI.getOperand(0).getReg();
+
+      MachineInstrBuilder MIB =
+          BuildMI(MBB, MBBI, MI.getDebugLoc(),
+                  TII->get(Opcode == ARM::LOADDUAL ? ARM::LDRD : ARM::STRD))
+              .addReg(TRI->getSubReg(PairReg, ARM::gsub_0),
+                      Opcode == ARM::LOADDUAL ? RegState::Define : 0)
+              .addReg(TRI->getSubReg(PairReg, ARM::gsub_1),
+                      Opcode == ARM::LOADDUAL ? RegState::Define : 0);
+      for (unsigned i = 1; i < MI.getNumOperands(); i++)
+        MIB.add(MI.getOperand(i));
+      MIB.add(predOps(ARMCC::AL));
+      MIB.cloneMemRefs(MI);
+      MI.eraseFromParent();
+      return true;
+    }
   }
 }