InstCombine: Respect recursion depth in visitUDivOperand

[oota-llvm.git] / lib / Transforms / InstCombine / InstCombine.h

diff --git a/lib/Transforms/InstCombine/InstCombine.h b/lib/Transforms/InstCombine/InstCombine.h
index 8cb634c8a3ecf376be81e6b343e8a40e3a339c34..c8ed7c2b5a68f0e6d9c79dee12baafb5fa5f337a 100644 (file)
--- a/lib/Transforms/InstCombine/InstCombine.h
+++ b/lib/Transforms/InstCombine/InstCombine.h
@@ -152,6 +152,8 @@ public:
   Value *FoldOrOfFCmps(FCmpInst *LHS, FCmpInst *RHS);
   Instruction *FoldOrWithConstants(BinaryOperator &I, Value *Op, Value *A,
                                    Value *B, Value *C);
+  Instruction *FoldXorWithConstants(BinaryOperator &I, Value *Op, Value *A,
+                                    Value *B, Value *C);
   Instruction *visitOr(BinaryOperator &I);
   Instruction *visitXor(BinaryOperator &I);
   Instruction *visitShl(BinaryOperator &I);
@@ -251,6 +253,7 @@ private:
   bool WillNotOverflowSignedAdd(Value *LHS, Value *RHS);
   bool WillNotOverflowUnsignedAdd(Value *LHS, Value *RHS);
   bool WillNotOverflowSignedSub(Value *LHS, Value *RHS);
+  bool WillNotOverflowUnsignedSub(Value *LHS, Value *RHS);
   Value *EmitGEPOffset(User *GEP);
   Instruction *scalarizePHI(ExtractElementInst &EI, PHINode *PN);
   Value *EvaluateInDifferentElementOrder(Value *V, ArrayRef<int> Mask);