Remove isReg, isImm, and isMBB, and change all their users to use 
isRegister, isImmediate, and isMachineBasicBlock, which are equivalent,
and more popular.

llvm-svn: 41958
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index 3d324b7..e7abd47 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -413,7 +413,7 @@
           bool HasUse = mop.isUse();
           bool HasDef = mop.isDef();
           for (unsigned j = i+1, e = MI->getNumOperands(); j != e; ++j) {
-            if (MI->getOperand(j).isReg() &&
+            if (MI->getOperand(j).isRegister() &&
                 MI->getOperand(j).getReg() == li.reg) {
               MI->getOperand(j).setReg(NewVReg);
               HasUse |= MI->getOperand(j).isUse();