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-rw-r--r--include/llvm/ADT/APSInt.h25
1 files changed, 21 insertions, 4 deletions
diff --git a/include/llvm/ADT/APSInt.h b/include/llvm/ADT/APSInt.h
index 7ee2c4c62fce..0f991826c457 100644
--- a/include/llvm/ADT/APSInt.h
+++ b/include/llvm/ADT/APSInt.h
@@ -1,9 +1,8 @@
//===-- llvm/ADT/APSInt.h - Arbitrary Precision Signed Int -----*- C++ -*--===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@@ -43,6 +42,24 @@ public:
/// \param Str the string to be interpreted.
explicit APSInt(StringRef Str);
+ /// Determine sign of this APSInt.
+ ///
+ /// \returns true if this APSInt is negative, false otherwise
+ bool isNegative() const { return isSigned() && APInt::isNegative(); }
+
+ /// Determine if this APSInt Value is non-negative (>= 0)
+ ///
+ /// \returns true if this APSInt is non-negative, false otherwise
+ bool isNonNegative() const { return !isNegative(); }
+
+ /// Determine if this APSInt Value is positive.
+ ///
+ /// This tests if the value of this APSInt is positive (> 0). Note
+ /// that 0 is not a positive value.
+ ///
+ /// \returns true if this APSInt is positive.
+ bool isStrictlyPositive() const { return isNonNegative() && !isNullValue(); }
+
APSInt &operator=(APInt RHS) {
// Retain our current sign.
APInt::operator=(std::move(RHS));