[llvm] r316524 - Add Triple::isOSUnknown

[Sam Clegg via llvm-commits]

Author: sbc
Date: Tue Oct 24 15:48:19 2017
New Revision: 316524

URL: http://llvm.org/viewvc/llvm-project?rev=316524&view=rev
Log:
Add Triple::isOSUnknown

Subscribers: aheejin

Differential Revision: https://reviews.llvm.org/D39256

Modified:
    llvm/trunk/include/llvm/ADT/Triple.h

Modified: llvm/trunk/include/llvm/ADT/Triple.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/Triple.h?rev=316524&r1=316523&r2=316524&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ADT/Triple.h (original)
+++ llvm/trunk/include/llvm/ADT/Triple.h Tue Oct 24 15:48:19 2017
@@ -501,6 +501,8 @@ public:
     return getOS() == Triple::ELFIAMCU;
   }
 
+  bool isOSUnknown() const { return getOS() == Triple::UnknownOS; }
+
   bool isGNUEnvironment() const {
     EnvironmentType Env = getEnvironment();
     return Env == Triple::GNU || Env == Triple::GNUABIN32 ||