MI keeps a ptr of TargetInstrDescriptor, use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32296 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 3bdbe85..eeabbd1 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -434,7 +434,8 @@
       for (unsigned j = i+1; j < e; ++j) {
         MachineOperand &MO2 = MI->getOperand(j);
         if (MO2.isRegister() && MO2.isUse() && MO2.getReg() == Reg &&
-            TII->getOperandConstraint(MI->getOpcode(),j,TOI::TIED_TO) == (int)i)
+            MI->getInstrDescriptor()->
+            getOperandConstraint(j, TOI::TIED_TO) == (int)i)
           return true;
       }
     }