Make analyzeBranch family of instruction names consistent

analyzeBranch was renamed to use lowercase first, rename
the related set to match.

llvm-svn: 281506
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
index d25ea4e..5d02fc3 100644
--- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -1446,7 +1446,7 @@
     // fall-through case, which needs no instructions.
   } else {
     // The unconditional branch case.
-    TII.InsertBranch(*FuncInfo.MBB, MSucc, nullptr,
+    TII.insertBranch(*FuncInfo.MBB, MSucc, nullptr,
                      SmallVector<MachineOperand, 0>(), DbgLoc);
   }
   if (FuncInfo.BPI) {