[llvm] r355299 - [SubtargetFeatures] Don't call ApplyFeatureFlag if the feature name is '+help'

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sun Mar  3 18:02:24 2019
New Revision: 355299

URL: http://llvm.org/viewvc/llvm-project?rev=355299&view=rev
Log:
[SubtargetFeatures] Don't call ApplyFeatureFlag if the feature name is '+help'

Just print the help and stop. Otherwise we'll print a message about it not being a real feature name after printing the help text.

Modified:
    llvm/trunk/lib/MC/SubtargetFeature.cpp

Modified: llvm/trunk/lib/MC/SubtargetFeature.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/SubtargetFeature.cpp?rev=355299&r1=355298&r2=355299&view=diff
==============================================================================
--- llvm/trunk/lib/MC/SubtargetFeature.cpp (original)
+++ llvm/trunk/lib/MC/SubtargetFeature.cpp Sun Mar  3 18:02:24 2019
@@ -232,8 +232,8 @@ SubtargetFeatures::getFeatureBits(String
     // Check for help
     if (Feature == "+help")
       Help(CPUTable, FeatureTable);
-
-    ApplyFeatureFlag(Bits, Feature, FeatureTable);
+    else
+      ApplyFeatureFlag(Bits, Feature, FeatureTable);
   }
 
   return Bits;