[Triple] Add a helper to switch between big/little endian variants

[oota-llvm.git] / include / llvm / ADT / Triple.h

diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h
index 06f5870119c8f539a8ed43da143c35239161d149..947812d94ecbf31209b82ddae1fe20c5f8e3248c 100644 (file)
--- a/include/llvm/ADT/Triple.h
+++ b/include/llvm/ADT/Triple.h
@@ -569,6 +569,22 @@ public:
   ///          architecture if no such variant can be found.
   llvm::Triple get64BitArchVariant() const;
 
+  /// Form a triple with a big endian variant of the current architecture.
+  ///
+  /// This can be used to move across "families" of architectures where useful.
+  ///
+  /// \returns A new triple with a big endian architecture or an unknown
+  ///          architecture if no such variant can be found.
+  llvm::Triple getBigEndianArchVariant() const;
+
+  /// Form a triple with a little endian variant of the current architecture.
+  ///
+  /// This can be used to move across "families" of architectures where useful.
+  ///
+  /// \returns A new triple with a little endian architecture or an unknown
+  ///          architecture if no such variant can be found.
+  llvm::Triple getLittleEndianArchVariant() const;
+
   /// Get the (LLVM) name of the minimum ARM CPU for the arch we are targeting.
   ///
   /// \param Arch the architecture name (e.g., "armv7s"). If it is an empty