Use A.append(...) instead of A.insert(A.end(), ...) when A is a
SmallVector, and other SmallVector simplifications.

llvm-svn: 106452
diff --git a/llvm/lib/VMCore/Instructions.cpp b/llvm/lib/VMCore/Instructions.cpp
index 76bf583..1a091d6 100644
--- a/llvm/lib/VMCore/Instructions.cpp
+++ b/llvm/lib/VMCore/Instructions.cpp
@@ -1456,7 +1456,7 @@
   Op<0>() = Agg;
   Op<1>() = Val;
 
-  Indices.insert(Indices.end(), Idx, Idx + NumIdx);
+  Indices.append(Idx, Idx + NumIdx);
   setName(Name);
 }
 
@@ -1509,7 +1509,7 @@
                             const Twine &Name) {
   assert(NumOperands == 1 && "NumOperands not initialized?");
 
-  Indices.insert(Indices.end(), Idx, Idx + NumIdx);
+  Indices.append(Idx, Idx + NumIdx);
   setName(Name);
 }