From 936ae2d76d644891ae9ddfaf3cedd523db77489c Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nicholas@mxc.ca>
Date: Thu, 12 Nov 2009 02:08:11 +0000
Subject: [PATCH] Add CreateNUWAdd and CreateNUWSub to complement the existing
 CreateNSWAdd and CreateNSWSub functions.

llvm-svn: 86930
---
 include/llvm/InstrTypes.h | 42 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/include/llvm/InstrTypes.h b/include/llvm/InstrTypes.h
index 12fa97d6d22..bc899699d90 100644
--- a/include/llvm/InstrTypes.h
+++ b/include/llvm/InstrTypes.h
@@ -214,6 +214,27 @@ public:
     return BO;
   }
 
+  /// CreateNUWAdd - Create an Add operator with the NUW flag set.
+  ///
+  static BinaryOperator *CreateNUWAdd(Value *V1, Value *V2,
+                                      const Twine &Name = "") {
+    BinaryOperator *BO = CreateAdd(V1, V2, Name);
+    BO->setHasNoUnsignedWrap(true);
+    return BO;
+  }
+  static BinaryOperator *CreateNUWAdd(Value *V1, Value *V2,
+                                      const Twine &Name, BasicBlock *BB) {
+    BinaryOperator *BO = CreateAdd(V1, V2, Name, BB);
+    BO->setHasNoUnsignedWrap(true);
+    return BO;
+  }
+  static BinaryOperator *CreateNUWAdd(Value *V1, Value *V2,
+                                      const Twine &Name, Instruction *I) {
+    BinaryOperator *BO = CreateAdd(V1, V2, Name, I);
+    BO->setHasNoUnsignedWrap(true);
+    return BO;
+  }
+
   /// CreateNSWSub - Create an Sub operator with the NSW flag set.
   ///
   static BinaryOperator *CreateNSWSub(Value *V1, Value *V2,
@@ -235,6 +256,27 @@ public:
     return BO;
   }
 
+  /// CreateNUWSub - Create an Sub operator with the NUW flag set.
+  ///
+  static BinaryOperator *CreateNUWSub(Value *V1, Value *V2,
+                                      const Twine &Name = "") {
+    BinaryOperator *BO = CreateSub(V1, V2, Name);
+    BO->setHasNoUnsignedWrap(true);
+    return BO;
+  }
+  static BinaryOperator *CreateNUWSub(Value *V1, Value *V2,
+                                      const Twine &Name, BasicBlock *BB) {
+    BinaryOperator *BO = CreateSub(V1, V2, Name, BB);
+    BO->setHasNoUnsignedWrap(true);
+    return BO;
+  }
+  static BinaryOperator *CreateNUWSub(Value *V1, Value *V2,
+                                      const Twine &Name, Instruction *I) {
+    BinaryOperator *BO = CreateSub(V1, V2, Name, I);
+    BO->setHasNoUnsignedWrap(true);
+    return BO;
+  }
+
   /// CreateExactSDiv - Create an SDiv operator with the exact flag set.
   ///
   static BinaryOperator *CreateExactSDiv(Value *V1, Value *V2,