Adding missing methods for creating Add, Mul, Neg and Sub with NUW.

llvm-svn: 95086

2 files changed, 30 insertions, 2 deletions

diff --git a/llvm/lib/VMCore/Constants.cpp b/llvm/lib/VMCore/Constants.cpp
index 762fbe4c9ad..2250626051b 100644
--- a/llvm/lib/VMCore/Constants.cpp
+++ b/llvm/lib/VMCore/Constants.cpp
@@ -645,18 +645,29 @@ Constant* ConstantExpr::getNSWNeg(Constant* C) {
   return getNSWSub(ConstantFP::getZeroValueForNegation(C->getType()), C);
 }
 
+Constant* ConstantExpr::getNUWNeg(Constant* C) {
+  assert(C->getType()->isIntOrIntVector() &&
+         "Cannot NEG a nonintegral value!");
+  return getNUWSub(ConstantFP::getZeroValueForNegation(C->getType()), C);
+}
+
 Constant* ConstantExpr::getNSWAdd(Constant* C1, Constant* C2) {
   return getTy(C1->getType(), Instruction::Add, C1, C2,
                OverflowingBinaryOperator::NoSignedWrap);
 }
 
+Constant* ConstantExpr::getNUWAdd(Constant* C1, Constant* C2) {
+  return getTy(C1->getType(), Instruction::Add, C1, C2,
+               OverflowingBinaryOperator::NoUnsignedWrap);
+}
+
 Constant* ConstantExpr::getNSWSub(Constant* C1, Constant* C2) {
   return getTy(C1->getType(), Instruction::Sub, C1, C2,
                OverflowingBinaryOperator::NoSignedWrap);
 }
 
-Constant* ConstantExpr::getNUWMul(Constant* C1, Constant* C2) {
-  return getTy(C1->getType(), Instruction::Mul, C1, C2,
+Constant* ConstantExpr::getNUWSub(Constant* C1, Constant* C2) {
+  return getTy(C1->getType(), Instruction::Sub, C1, C2,
                OverflowingBinaryOperator::NoUnsignedWrap);
 }
 
@@ -665,6 +676,11 @@ Constant* ConstantExpr::getNSWMul(Constant* C1, Constant* C2) {
                OverflowingBinaryOperator::NoSignedWrap);
 }
 
+Constant* ConstantExpr::getNUWMul(Constant* C1, Constant* C2) {
+  return getTy(C1->getType(), Instruction::Mul, C1, C2,
+               OverflowingBinaryOperator::NoUnsignedWrap);
+}
+
 Constant* ConstantExpr::getExactSDiv(Constant* C1, Constant* C2) {
   return getTy(C1->getType(), Instruction::SDiv, C1, C2,
                SDivOperator::IsExact);
diff --git a/llvm/lib/VMCore/Instructions.cpp b/llvm/lib/VMCore/Instructions.cpp
index a9b2cab28e9..4ec82953c19 100644
--- a/llvm/lib/VMCore/Instructions.cpp
+++ b/llvm/lib/VMCore/Instructions.cpp
@@ -1786,6 +1786,18 @@ BinaryOperator *BinaryOperator::CreateNSWNeg(Value *Op, const Twine &Name,
   return BinaryOperator::CreateNSWSub(zero, Op, Name, InsertAtEnd);
 }
 
+BinaryOperator *BinaryOperator::CreateNUWNeg(Value *Op, const Twine &Name,
+                                             Instruction *InsertBefore) {
+  Value *zero = ConstantFP::getZeroValueForNegation(Op->getType());
+  return BinaryOperator::CreateNUWSub(zero, Op, Name, InsertBefore);
+}
+
+BinaryOperator *BinaryOperator::CreateNUWNeg(Value *Op, const Twine &Name,
+                                             BasicBlock *InsertAtEnd) {
+  Value *zero = ConstantFP::getZeroValueForNegation(Op->getType());
+  return BinaryOperator::CreateNUWSub(zero, Op, Name, InsertAtEnd);
+}
+
 BinaryOperator *BinaryOperator::CreateFNeg(Value *Op, const Twine &Name,
                                            Instruction *InsertBefore) {
   Value *zero = ConstantFP::getZeroValueForNegation(Op->getType());