Refactor: simplify boolean conditional return statements in lib/Analysis

Patch by Richard Thomson!

Differential revision: http://reviews.llvm.org/D10008

llvm-svn: 252256
diff --git a/clang/lib/Analysis/BodyFarm.cpp b/clang/lib/Analysis/BodyFarm.cpp
index 7d1b235..0990436 100644
--- a/clang/lib/Analysis/BodyFarm.cpp
+++ b/clang/lib/Analysis/BodyFarm.cpp
@@ -36,10 +36,7 @@
   // returns void.
   const FunctionProtoType *FT =
   BPT->getPointeeType()->getAs<FunctionProtoType>();
-  if (!FT || !FT->getReturnType()->isVoidType() || FT->getNumParams() != 0)
-    return false;
-
-  return true;
+  return FT && FT->getReturnType()->isVoidType() && FT->getNumParams() == 0;
 }
 
 namespace {