Add convenience functions for creating nsw add operators.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78707 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 15 insertions, 0 deletions

diff --git a/include/llvm/Support/ConstantFolder.h b/include/llvm/Support/ConstantFolder.h
index 1b5b2b7745..ef70a898e4 100644
--- a/include/llvm/Support/ConstantFolder.h
+++ b/include/llvm/Support/ConstantFolder.h
@@ -35,6 +35,9 @@ public:
   Constant *CreateAdd(Constant *LHS, Constant *RHS) const {
     return ConstantExpr::getAdd(LHS, RHS);
   }
+  Constant *CreateNSWAdd(Constant *LHS, Constant *RHS) const {
+    return ConstantExpr::getNSWAdd(LHS, RHS);
+  }
   Constant *CreateFAdd(Constant *LHS, Constant *RHS) const {
     return ConstantExpr::getFAdd(LHS, RHS);
   }
diff --git a/include/llvm/Support/IRBuilder.h b/include/llvm/Support/IRBuilder.h
index 89dd2953da..2e24d5ec1d 100644
--- a/include/llvm/Support/IRBuilder.h
+++ b/include/llvm/Support/IRBuilder.h
@@ -199,6 +199,12 @@ public:
         return Folder.CreateAdd(LC, RC);
     return Insert(BinaryOperator::CreateAdd(LHS, RHS), Name);
   }
+  Value *CreateNSWAdd(Value *LHS, Value *RHS, const char *Name = "") {
+    if (Constant *LC = dyn_cast<Constant>(LHS))
+      if (Constant *RC = dyn_cast<Constant>(RHS))
+        return Folder.CreateNSWAdd(LC, RC);
+    return Insert(BinaryOperator::CreateNSWAdd(LHS, RHS), Name);
+  }
   Value *CreateFAdd(Value *LHS, Value *RHS, const char *Name = "") {
     if (Constant *LC = dyn_cast<Constant>(LHS))
       if (Constant *RC = dyn_cast<Constant>(RHS))
diff --git a/include/llvm/Support/NoFolder.h b/include/llvm/Support/NoFolder.h
index 5333b87efd..4540f028ce 100644
--- a/include/llvm/Support/NoFolder.h
+++ b/include/llvm/Support/NoFolder.h
@@ -42,6 +42,9 @@ public:
   Value *CreateAdd(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateAdd(LHS, RHS);
   }
+  Value *CreateNSWAdd(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateNSWAdd(LHS, RHS);
+  }
   Value *CreateFAdd(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateFAdd(LHS, RHS);
   }
diff --git a/include/llvm/Support/TargetFolder.h b/include/llvm/Support/TargetFolder.h
index 2569cb9019..77533c00b1 100644
--- a/include/llvm/Support/TargetFolder.h
+++ b/include/llvm/Support/TargetFolder.h
@@ -51,6 +51,9 @@ public:
   Constant *CreateAdd(Constant *LHS, Constant *RHS) const {
     return Fold(ConstantExpr::getAdd(LHS, RHS));
   }
+  Constant *CreateNSWAdd(Constant *LHS, Constant *RHS) const {
+    return Fold(ConstantExpr::getNSWAdd(LHS, RHS));
+  }
   Constant *CreateFAdd(Constant *LHS, Constant *RHS) const {
     return Fold(ConstantExpr::getFAdd(LHS, RHS));
   }