vendor/llvm/llvm-trunk-r366426

1 files changed, 9 insertions, 4 deletions

diff --git a/include/llvm/MC/MCInstrDesc.h b/include/llvm/MC/MCInstrDesc.h
index 61e7d09afbcb..0aa586dfc901 100644
--- a/include/llvm/MC/MCInstrDesc.h
+++ b/include/llvm/MC/MCInstrDesc.h
@@ -1,9 +1,8 @@
 //===-- llvm/MC/MCInstrDesc.h - Instruction Descriptors -*- 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -135,6 +134,7 @@ enum Flag {
   FoldableAsLoad,
   MayLoad,
   MayStore,
+  MayRaiseFPException,
   Predicable,
   NotDuplicable,
   UnmodeledSideEffects,
@@ -404,6 +404,11 @@ public:
   /// may not actually modify anything, for example.
   bool mayStore() const { return Flags & (1ULL << MCID::MayStore); }
 
+  /// Return true if this instruction may raise a floating-point exception.
+  bool mayRaiseFPException() const {
+    return Flags & (1ULL << MCID::MayRaiseFPException);
+  }
+
   /// Return true if this instruction has side
   /// effects that are not modeled by other flags.  This does not return true
   /// for instructions whose effects are captured by: