[ARM] Add knowledge of FPU subtarget features to TargetParser

[oota-llvm.git] / include / llvm / MC / SubtargetFeature.h

diff --git a/include/llvm/MC/SubtargetFeature.h b/include/llvm/MC/SubtargetFeature.h
index 6a631ffe79bd3046a8cc22ac5476b6e9acd19453..2fb9b4ae2503f14ee7ace7c8b55db2e0c6c24a54 100644 (file)
--- a/include/llvm/MC/SubtargetFeature.h
+++ b/include/llvm/MC/SubtargetFeature.h
@@ -103,6 +103,10 @@ public:
   FeatureBitset ToggleFeature(FeatureBitset Bits, StringRef String,
                          ArrayRef<SubtargetFeatureKV> FeatureTable);
 
   FeatureBitset ToggleFeature(FeatureBitset Bits, StringRef String,
                          ArrayRef<SubtargetFeatureKV> FeatureTable);
 

+  /// Apply the feature flag and return the newly updated feature bits.
+  FeatureBitset ApplyFeatureFlag(FeatureBitset Bits, StringRef Feature,
+                                 ArrayRef<SubtargetFeatureKV> FeatureTable);
+

   /// Get feature bits of a CPU.
   FeatureBitset getFeatureBits(StringRef CPU,
                           ArrayRef<SubtargetFeatureKV> CPUTable,
   /// Get feature bits of a CPU.
   FeatureBitset getFeatureBits(StringRef CPU,
                           ArrayRef<SubtargetFeatureKV> CPUTable,