Teach InstCombine visitGetElementPtr about address spaces

llvm-svn: 188721
diff --git a/llvm/lib/Transforms/InstCombine/InstCombine.h b/llvm/lib/Transforms/InstCombine/InstCombine.h
index b3084cc..d035c53 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombine.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombine.h
@@ -212,8 +212,8 @@
   bool ShouldChangeType(Type *From, Type *To) const;
   Value *dyn_castNegVal(Value *V) const;
   Value *dyn_castFNegVal(Value *V, bool NoSignedZero=false) const;
-  Type *FindElementAtOffset(Type *Ty, int64_t Offset,
-                                  SmallVectorImpl<Value*> &NewIndices);
+  Type *FindElementAtOffset(Type *PtrTy, int64_t Offset,
+                            SmallVectorImpl<Value*> &NewIndices);
   Instruction *FoldOpIntoSelect(Instruction &Op, SelectInst *SI);
 
   /// ShouldOptimizeCast - Return true if the cast from "V to Ty" actually