MachineVerifier: Clean up some syntactic weirdness left behind by find&replace.

No functionality change.

llvm-svn: 209581
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp
index 6652900..8515b0f 100644
--- a/llvm/lib/CodeGen/MachineVerifier.cpp
+++ b/llvm/lib/CodeGen/MachineVerifier.cpp
@@ -577,8 +577,8 @@
         report("MBB exits via unconditional fall-through but its successor "
                "differs from its CFG successor!", MBB);
       }
-      if (!MBB->empty() && (&MBB->back())->isBarrier() &&
-          !TII->isPredicated((&MBB->back()))) {
+      if (!MBB->empty() && MBB->back().isBarrier() &&
+          !TII->isPredicated(&MBB->back())) {
         report("MBB exits via unconditional fall-through but ends with a "
                "barrier instruction!", MBB);
       }
@@ -598,10 +598,10 @@
       if (MBB->empty()) {
         report("MBB exits via unconditional branch but doesn't contain "
                "any instructions!", MBB);
-      } else if (!(&MBB->back())->isBarrier()) {
+      } else if (!MBB->back().isBarrier()) {
         report("MBB exits via unconditional branch but doesn't end with a "
                "barrier instruction!", MBB);
-      } else if (!(&MBB->back())->isTerminator()) {
+      } else if (!MBB->back().isTerminator()) {
         report("MBB exits via unconditional branch but the branch isn't a "
                "terminator instruction!", MBB);
       }
@@ -629,10 +629,10 @@
       if (MBB->empty()) {
         report("MBB exits via conditional branch/fall-through but doesn't "
                "contain any instructions!", MBB);
-      } else if ((&MBB->back())->isBarrier()) {
+      } else if (MBB->back().isBarrier()) {
         report("MBB exits via conditional branch/fall-through but ends with a "
                "barrier instruction!", MBB);
-      } else if (!(&MBB->back())->isTerminator()) {
+      } else if (!MBB->back().isTerminator()) {
         report("MBB exits via conditional branch/fall-through but the branch "
                "isn't a terminator instruction!", MBB);
       }