[LLVM][X86][Goldmont] Adding new target-cpu: Goldmont

[LLVM SIDE]
Connecting the GoldMont processor to his feature.

Reviewers: 
1. igorb
2. zvi
3. delena
4. RKSimon
5. craig.topper        

Differential Revision: https://reviews.llvm.org/D34504

llvm-svn: 306658
diff --git a/llvm/lib/Target/X86/X86.td b/llvm/lib/Target/X86/X86.td
index fe10529..7437eba 100644
--- a/llvm/lib/Target/X86/X86.td
+++ b/llvm/lib/Target/X86/X86.td
@@ -300,6 +300,8 @@
                     "Intel Atom processors">;
 def ProcIntelSLM  : SubtargetFeature<"slm", "X86ProcFamily", "IntelSLM",
                     "Intel Silvermont processors">;
+def ProcIntelGLM  : SubtargetFeature<"glm", "X86ProcFamily", "IntelGLM",
+                    "Intel Goldmont processors">;
 
 class Proc<string Name, list<SubtargetFeature> Features>
  : ProcessorModel<Name, GenericModel, Features>;
@@ -430,6 +432,34 @@
 def : SilvermontProc<"silvermont">;
 def : SilvermontProc<"slm">; // Legacy alias.
 
+class GoldmontProc<string Name> : ProcessorModel<Name, SLMModel, [
+  ProcIntelGLM,
+  FeatureX87,
+  FeatureMMX,
+  FeatureSSE42,
+  FeatureFXSR,
+  FeatureCMPXCHG16B,
+  FeatureMOVBE,
+  FeaturePOPCNT,
+  FeaturePCLMUL,
+  FeatureAES,
+  FeaturePRFCHW,
+  FeatureCallRegIndirect,
+  FeatureSlowLEA,
+  FeatureSlowIncDec,
+  FeatureSlowBTMem,
+  FeatureLAHFSAHF,
+  FeatureMPX,
+  FeatureSHA,
+  FeatureRDSEED,
+  FeatureXSAVE,
+  FeatureXSAVEOPT,
+  FeatureXSAVEC,
+  FeatureXSAVES,
+  FeatureCLFLUSHOPT
+]>;
+def : GoldmontProc<"goldmont">;
+
 // "Arrandale" along with corei3 and corei5
 class NehalemProc<string Name> : ProcessorModel<Name, SandyBridgeModel, [
   FeatureX87,
diff --git a/llvm/lib/Target/X86/X86Subtarget.h b/llvm/lib/Target/X86/X86Subtarget.h
index 550e95c..fa0afe2 100644
--- a/llvm/lib/Target/X86/X86Subtarget.h
+++ b/llvm/lib/Target/X86/X86Subtarget.h
@@ -58,7 +58,7 @@
   };
 
   enum X86ProcFamilyEnum {
-    Others, IntelAtom, IntelSLM
+    Others, IntelAtom, IntelSLM, IntelGLM
   };
 
   /// X86 processor family: Intel Atom, and others