remove some dead code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111344 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/LowerSwitch.cpp b/lib/Transforms/Utils/LowerSwitch.cpp
index 0caeff9..5421402 100644
--- a/lib/Transforms/Utils/LowerSwitch.cpp
+++ b/lib/Transforms/Utils/LowerSwitch.cpp
@@ -29,8 +29,7 @@
 
 namespace {
   /// LowerSwitch Pass - Replace all SwitchInst instructions with chained branch
-  /// instructions.  Note that this cannot be a BasicBlock pass because it
-  /// modifies the CFG!
+  /// instructions.
   class LowerSwitch : public FunctionPass {
   public:
     static char ID; // Pass identification, replacement for typeid
@@ -50,8 +49,7 @@
       Constant* High;
       BasicBlock* BB;
 
-      CaseRange() : Low(0), High(0), BB(0) { }
-      CaseRange(Constant* low, Constant* high, BasicBlock* bb) :
+      CaseRange(Constant *low = 0, Constant *high = 0, BasicBlock *bb = 0) :
         Low(low), High(high), BB(bb) { }
     };
 
diff --git a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index 1758542..a4e3029 100644
--- a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -228,14 +228,6 @@
 
     void run();
 
-    /// properlyDominates - Return true if I1 properly dominates I2.
-    ///
-    bool properlyDominates(Instruction *I1, Instruction *I2) const {
-      if (InvokeInst *II = dyn_cast<InvokeInst>(I1))
-        I1 = II->getNormalDest()->begin();
-      return DT.properlyDominates(I1->getParent(), I2->getParent());
-    }
-    
     /// dominates - Return true if BB1 dominates BB2 using the DominatorTree.
     ///
     bool dominates(BasicBlock *BB1, BasicBlock *BB2) const {