1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index ca68988712..3807314bac 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -2053,6 +2053,12 @@ APInt APInt::sadd_ov(const APInt &RHS, bool &Overflow) const {
   return Res;
 }
 
+APInt APInt::uadd_ov(const APInt &RHS, bool &Overflow) const {
+  APInt Res = *this+RHS;
+  Overflow = Res.ult(RHS);
+  return Res;
+}
+
 APInt APInt::ssub_ov(const APInt &RHS, bool &Overflow) const {
   APInt Res = *this - RHS;
   Overflow = isNonNegative() != RHS.isNonNegative() &&
@@ -2060,6 +2066,12 @@ APInt APInt::ssub_ov(const APInt &RHS, bool &Overflow) const {
   return Res;
 }
 
+APInt APInt::usub_ov(const APInt &RHS, bool &Overflow) const {
+  APInt Res = *this+RHS;
+  Overflow = Res.ugt(RHS);
+  return Res;
+}
+
 APInt APInt::sdiv_ov(const APInt &RHS, bool &Overflow) const {
   // MININT/-1  -->  overflow.
   Overflow = isMinSignedValue() && RHS.isAllOnesValue();