eliminate unneeded parens.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68939 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/GlobalDCE.cpp b/lib/Transforms/IPO/GlobalDCE.cpp
index c28d5e3..4f97ae1 100644
--- a/lib/Transforms/IPO/GlobalDCE.cpp
+++ b/lib/Transforms/IPO/GlobalDCE.cpp
@@ -63,7 +63,7 @@
   for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) {
     Changed |= RemoveUnusedGlobalValue(*I);
     // Functions with external linkage are needed if they have a body
-    if ((!I->hasLocalLinkage() && !I->hasLinkOnceLinkage()) &&
+    if (!I->hasLocalLinkage() && !I->hasLinkOnceLinkage() &&
         !I->isDeclaration())
       GlobalIsNeeded(I);
   }
@@ -73,7 +73,7 @@
     Changed |= RemoveUnusedGlobalValue(*I);
     // Externally visible & appending globals are needed, if they have an
     // initializer.
-    if ((!I->hasLocalLinkage() && !I->hasLinkOnceLinkage()) &&
+    if (!I->hasLocalLinkage() && !I->hasLinkOnceLinkage() &&
         !I->isDeclaration())
       GlobalIsNeeded(I);
   }