use getNumArgOperands


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106709 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/TailRecursionElimination.cpp b/lib/Transforms/Scalar/TailRecursionElimination.cpp
index 3b019bc..42f4a5f 100644
--- a/lib/Transforms/Scalar/TailRecursionElimination.cpp
+++ b/lib/Transforms/Scalar/TailRecursionElimination.cpp
@@ -454,7 +454,7 @@
   // Ok, now that we know we have a pseudo-entry block WITH all of the
   // required PHI nodes, add entries into the PHI node for the actual
   // parameters passed into the tail-recursive call.
-  for (unsigned i = 0, e = CI->getNumOperands()-1; i != e; ++i)
+  for (unsigned i = 0, e = CI->getNumArgOperands(); i != e; ++i)
     ArgumentPHIs[i]->addIncoming(CI->getArgOperand(i), BB);
 
   // If we are introducing an accumulator variable to eliminate the recursion,