Add isValidCPUName and isValidFeature to TargetInfo

These two functions are really useful for implementations of attributes 
(including attribute-target), so add the functionality.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@308530 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 0 deletions

diff --git a/include/clang/Basic/TargetInfo.h b/include/clang/Basic/TargetInfo.h
index d1a9ea85db..7bb910f266 100644
--- a/include/clang/Basic/TargetInfo.h
+++ b/include/clang/Basic/TargetInfo.h
@@ -869,6 +869,11 @@ public:
     return false;
   }
 
+  /// brief Determine whether this TargetInfo supports the given CPU name.
+  virtual bool isValidCPUName(StringRef Name) const {
+    return false;
+  }
+
   /// \brief Use the specified ABI.
   ///
   /// \return False on error (invalid ABI name).
@@ -891,6 +896,11 @@ public:
     Features[Name] = Enabled;
   }
 
+  /// \brief Determine whether this TargetInfo supports the given feature.
+  virtual bool isValidFeatureName(StringRef Feature) const {
+    return false;
+  }
+
   /// \brief Perform initialization based on the user configured
   /// set of features (e.g., +sse4).
   ///