[llvm] r252947 - [ImplicitNulls] Fix wrapping by breaking up a condition, NFC

[Sanjoy Das via llvm-commits]

Author: sanjoy
Date: Thu Nov 12 14:51:49 2015
New Revision: 252947

URL: http://llvm.org/viewvc/llvm-project?rev=252947&view=rev
Log:
[ImplicitNulls] Fix wrapping by breaking up a condition, NFC

Modified:
    llvm/trunk/lib/CodeGen/ImplicitNullChecks.cpp

Modified: llvm/trunk/lib/CodeGen/ImplicitNullChecks.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/ImplicitNullChecks.cpp?rev=252947&r1=252946&r2=252947&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/ImplicitNullChecks.cpp (original)
+++ llvm/trunk/lib/CodeGen/ImplicitNullChecks.cpp Thu Nov 12 14:51:49 2015
@@ -225,10 +225,10 @@ bool ImplicitNullChecks::analyzeBlockFor
     MachineBasicBlock &MBB, SmallVectorImpl<NullCheck> &NullCheckList) {
   typedef TargetInstrInfo::MachineBranchPredicate MachineBranchPredicate;
 
-  MDNode *BranchMD =
-      MBB.getBasicBlock()
-          ? MBB.getBasicBlock()->getTerminator()->getMetadata(LLVMContext::MD_make_implicit)
-          : nullptr;
+  MDNode *BranchMD = nullptr;
+  if (auto *BB = MBB.getBasicBlock())
+    BranchMD = BB->getTerminator()->getMetadata(LLVMContext::MD_make_implicit);
+
   if (!BranchMD)
     return false;