remove some dead code.

llvm-svn: 111344

3 files changed, 4 insertions, 15 deletions

diff --git a/llvm/lib/Transforms/Scalar/SCCP.cpp b/llvm/lib/Transforms/Scalar/SCCP.cpp
index 789ced1fb92..6115c05c20a 100644
--- a/llvm/lib/Transforms/Scalar/SCCP.cpp
+++ b/llvm/lib/Transforms/Scalar/SCCP.cpp
@@ -275,12 +275,12 @@ public:
     return I->second;
   }
   
-  LatticeVal getStructLatticeValueFor(Value *V, unsigned i) const {
+  /*LatticeVal getStructLatticeValueFor(Value *V, unsigned i) const {
     DenseMap<std::pair<Value*, unsigned>, LatticeVal>::const_iterator I = 
       StructValueState.find(std::make_pair(V, i));
     assert(I != StructValueState.end() && "V is not in valuemap!");
     return I->second;
-  }
+  }*/
 
   /// getTrackedRetVals - Get the inferred return value map.
   ///
@@ -518,7 +518,6 @@ private:
   void visitUnwindInst    (TerminatorInst &I) { /*returns void*/ }
   void visitUnreachableInst(TerminatorInst &I) { /*returns void*/ }
   void visitAllocaInst    (Instruction &I) { markOverdefined(&I); }
-  void visitVANextInst    (Instruction &I) { markOverdefined(&I); }
   void visitVAArgInst     (Instruction &I) { markAnythingOverdefined(&I); }
 
   void visitInstruction(Instruction &I) {
diff --git a/llvm/lib/Transforms/Utils/LowerSwitch.cpp b/llvm/lib/Transforms/Utils/LowerSwitch.cpp
index 0caeff90e82..5421402b8e2 100644
--- a/llvm/lib/Transforms/Utils/LowerSwitch.cpp
+++ b/llvm/lib/Transforms/Utils/LowerSwitch.cpp
@@ -29,8 +29,7 @@ using namespace llvm;
 
 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 @@ namespace {
       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/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index 175854212c7..a4e3029e3a5 100644
--- a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -228,14 +228,6 @@ namespace {
 
     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 {