Tabs -> spaces, and remove trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82355 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/MergeFunctions.cpp b/lib/Transforms/IPO/MergeFunctions.cpp
index 9c8592e..13bbf9c 100644
--- a/lib/Transforms/IPO/MergeFunctions.cpp
+++ b/lib/Transforms/IPO/MergeFunctions.cpp
@@ -582,19 +582,19 @@
           llvm_unreachable(0);
           // fall-through
         case ExternalWeak:
-	  if (F->hasAddressTaken())
+          if (F->hasAddressTaken())
             ThunkGToF(F, G);
           else
             AliasGToF(F, G);
-	  break;
+          break;
         case Internal: {
           bool addrTakenF = F->hasAddressTaken();
           bool addrTakenG = G->hasAddressTaken();
           if (!addrTakenF && addrTakenG) {
             std::swap(FnVec[i], FnVec[j]);
             std::swap(F, G);
-	    std::swap(addrTakenF, addrTakenG);
-	  }
+            std::swap(addrTakenF, addrTakenG);
+          }
 
           if (addrTakenF && addrTakenG) {
             ThunkGToF(F, G);
@@ -602,7 +602,7 @@
             assert(!addrTakenG);
             AliasGToF(F, G);
           }
-	} break;
+        } break;
       }
       break;
   }