diff --git a/include/llvm/CodeGen/MachineInstrBuilder.h b/include/llvm/CodeGen/MachineInstrBuilder.h
index 65d82019dc4..55b867181dc 100644
--- a/include/llvm/CodeGen/MachineInstrBuilder.h
+++ b/include/llvm/CodeGen/MachineInstrBuilder.h
@@ -109,8 +109,8 @@ public:
   }
 
   const MachineInstrBuilder &addMetadata(MDNode *N,
-					 int64_t Offset = 0,
-					 unsigned char TargetFlags = 0) const {
+                                         int64_t Offset = 0,
+                                         unsigned char TargetFlags = 0) const {
     MI->addOperand(MachineOperand::CreateMDNode(N, Offset, TargetFlags));
     return *this;
   }
@@ -191,7 +191,7 @@ inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
 
 /// BuildMI - This version of the builder inserts the newly-built
 /// instruction at the end of the given MachineBasicBlock, and sets up the first
-/// operand as a destination virtual register. 
+/// operand as a destination virtual register.
 ///
 inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
                                    DebugLoc DL,
diff --git a/include/llvm/Support/GraphWriter.h b/include/llvm/Support/GraphWriter.h
index d5f2e741daf..bd3fcea1102 100644
--- a/include/llvm/Support/GraphWriter.h
+++ b/include/llvm/Support/GraphWriter.h
@@ -45,7 +45,7 @@ namespace GraphProgram {
       CIRCO
    };
 }
-   
+
 void DisplayGraph(const sys::Path& Filename, bool wait=true, GraphProgram::Name program = GraphProgram::DOT);
 
 template<typename GraphType>
@@ -223,9 +223,9 @@ public:
     O << " -> Node" << DestNodeID;
     if (DestNodePort >= 0) {
       if (DOTTraits::hasEdgeDestLabels())
-	O << ":d" << DestNodePort;
+        O << ":d" << DestNodePort;
       else
-	O << ":s" << DestNodePort;
+        O << ":s" << DestNodePort;
     }
 
     if (!Attrs.empty())