Refactor: Simplify boolean conditional return statements in llvm/lib/Analysis

Patch by Richard Thomson!

Differential revision: http://reviews.llvm.org/D9967

llvm-svn: 252209
diff --git a/llvm/lib/Analysis/CaptureTracking.cpp b/llvm/lib/Analysis/CaptureTracking.cpp
index 230a380..c717a8e 100644
--- a/llvm/lib/Analysis/CaptureTracking.cpp
+++ b/llvm/lib/Analysis/CaptureTracking.cpp
@@ -102,10 +102,7 @@
 
         SmallVector<BasicBlock*, 32> Worklist;
         Worklist.append(succ_begin(BB), succ_end(BB));
-        if (!isPotentiallyReachableFromMany(Worklist, BB, DT))
-          return true;
-
-        return false;
+        return !isPotentiallyReachableFromMany(Worklist, BB, DT);
       }
 
       // If the value is defined in the same basic block as use and BeforeHere,