Add instcombine visitor for addrspacecast

llvm-svn: 194786
diff --git a/llvm/lib/Transforms/InstCombine/InstCombine.h b/llvm/lib/Transforms/InstCombine/InstCombine.h
index ee95106..a5eddc2 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombine.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombine.h
@@ -178,6 +178,7 @@
   Instruction *visitPtrToInt(PtrToIntInst &CI);
   Instruction *visitIntToPtr(IntToPtrInst &CI);
   Instruction *visitBitCast(BitCastInst &CI);
+  Instruction *visitAddrSpaceCast(AddrSpaceCastInst &CI);
   Instruction *FoldSelectOpOp(SelectInst &SI, Instruction *TI,
                               Instruction *FI);
   Instruction *FoldSelectIntoOp(SelectInst &SI, Value*, Value*);