[X86] Remove command line strings from the ProcIntel* features.

These should always follow the CPU string. There's no reason to control them independently.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@354304 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td
index 4c5b98c..5e86883 100644
--- a/lib/Target/X86/X86.td
+++ b/lib/Target/X86/X86.td
@@ -453,16 +453,16 @@
 include "X86SchedSkylakeClient.td"
 include "X86SchedSkylakeServer.td"
 
-def ProcIntelAtom : SubtargetFeature<"atom", "X86ProcFamily", "IntelAtom",
-                    "Intel Atom processors">;
-def ProcIntelSLM  : SubtargetFeature<"slm", "X86ProcFamily", "IntelSLM",
-                    "Intel Silvermont processors">;
-def ProcIntelGLM  : SubtargetFeature<"glm", "X86ProcFamily", "IntelGLM",
-                    "Intel Goldmont processors">;
-def ProcIntelGLP  : SubtargetFeature<"glp", "X86ProcFamily", "IntelGLP",
-                    "Intel Goldmont Plus processors">;
-def ProcIntelTRM  : SubtargetFeature<"tremont", "X86ProcFamily", "IntelTRM",
-                    "Intel Tremont processors">;
+// Bonnell
+def ProcIntelAtom : SubtargetFeature<"", "X86ProcFamily", "IntelAtom", "">;
+// Silvermont
+def ProcIntelSLM  : SubtargetFeature<"", "X86ProcFamily", "IntelSLM", "">;
+// Goldmont
+def ProcIntelGLM  : SubtargetFeature<"", "X86ProcFamily", "IntelGLM", "">;
+// Goldmont Plus
+def ProcIntelGLP  : SubtargetFeature<"", "X86ProcFamily", "IntelGLP", "">;
+// Tremont
+def ProcIntelTRM  : SubtargetFeature<"", "X86ProcFamily", "IntelTRM", "">;
 
 class Proc<string Name, list<SubtargetFeature> Features>
  : ProcessorModel<Name, GenericModel, Features>;