Index: include/llvm/Support/X86TargetParser.def
===================================================================
--- include/llvm/Support/X86TargetParser.def
+++ include/llvm/Support/X86TargetParser.def
@@ -65,6 +65,8 @@
 X86_CPU_TYPE                  ("k8",          AMD_K8)
 X86_CPU_TYPE                  ("k8-sse3",     AMD_K8SSE3)
 X86_CPU_TYPE                  ("goldmont",    INTEL_GOLDMONT)
+X86_CPU_TYPE                  ("goldmont-plus", INTEL_GOLDMONT_PLUS)
+X86_CPU_TYPE                  ("tremont",     INTEL_TREMONT)
 #undef X86_CPU_TYPE_COMPAT_WITH_ALIAS
 #undef X86_CPU_TYPE_COMPAT
 #undef X86_CPU_TYPE
Index: lib/Support/Host.cpp
===================================================================
--- lib/Support/Host.cpp
+++ lib/Support/Host.cpp
@@ -651,9 +651,11 @@
     // Goldmont:
     case 0x5c: // Apollo Lake
     case 0x5f: // Denverton
-    case 0x7a: // Gemini Lake
       *Type = X86::INTEL_GOLDMONT;
       break; // "goldmont"
+    case 0x7a:
+      *Type = X86::INTEL_GOLDMONT_PLUS;
+      break;
     case 0x57:
       *Type = X86::INTEL_KNL; // knl
       break;
Index: lib/Target/X86/X86.td
===================================================================
--- lib/Target/X86/X86.td
+++ lib/Target/X86/X86.td
@@ -413,6 +413,10 @@
                     "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">;
 def ProcIntelHSW  : SubtargetFeature<"haswell", "X86ProcFamily",
                     "IntelHaswell", "Intel Haswell processors">;
 def ProcIntelBDW  : SubtargetFeature<"broadwell", "X86ProcFamily",
@@ -564,8 +568,17 @@
 def : SilvermontProc<"silvermont">;
 def : SilvermontProc<"slm">; // Legacy alias.
 
-class GoldmontProc<string Name> : ProcessorModel<Name, SLMModel, [
-  ProcIntelGLM,
+class ProcessorFeatures<list<SubtargetFeature> Inherited,
+                        list<SubtargetFeature> NewFeatures> {
+  list<SubtargetFeature> Value = !listconcat(Inherited, NewFeatures);
+}
+
+class ProcModel<string Name, SchedMachineModel Model,
+                list<SubtargetFeature> ProcFeatures,
+                list<SubtargetFeature> OtherFeatures> :
+  ProcessorModel<Name, Model, !listconcat(ProcFeatures, OtherFeatures)>;
+
+def GLMFeatures : ProcessorFeatures<[], [
   FeatureX87,
   FeatureMMX,
   FeatureSSE42,
@@ -592,8 +605,29 @@
   FeatureCLFLUSHOPT,
   FeatureFSGSBase
 ]>;
+
+class GoldmontProc<string Name> : ProcModel<Name, SLMModel,
+      GLMFeatures.Value, [ ProcIntelGLM ]>;
 def : GoldmontProc<"goldmont">;
 
+class GoldmontPlusProc<string Name> : ProcModel<Name, SLMModel,
+      GLMFeatures.Value, [
+  ProcIntelGLP,
+  FeatureRDPID,
+  FeatureSGX
+]>;
+def : GoldmontPlusProc<"goldmont-plus">;
+
+class TremontProc<string Name> : ProcModel<Name, SLMModel,
+      GLMFeatures.Value, [
+  ProcIntelTRM,
+  FeatureCLDEMOTE,
+  FeatureGFNI,
+  FeatureRDPID,
+  FeatureSGX
+]>;
+def : TremontProc<"tremont">;
+
 // "Arrandale" along with corei3 and corei5
 class NehalemProc<string Name> : ProcessorModel<Name, SandyBridgeModel, [
   FeatureX87,
@@ -626,16 +660,6 @@
 ]>;
 def : WestmereProc<"westmere">;
 
-class ProcessorFeatures<list<SubtargetFeature> Inherited,
-                        list<SubtargetFeature> NewFeatures> {
-  list<SubtargetFeature> Value = !listconcat(Inherited, NewFeatures);
-}
-
-class ProcModel<string Name, SchedMachineModel Model,
-                list<SubtargetFeature> ProcFeatures,
-                list<SubtargetFeature> OtherFeatures> :
-  ProcessorModel<Name, Model, !listconcat(ProcFeatures, OtherFeatures)>;
-
 // SSE is not listed here since llvm treats AVX as a reimplementation of SSE,
 // rather than a superset.
 def SNBFeatures : ProcessorFeatures<[], [
Index: lib/Target/X86/X86Subtarget.h
===================================================================
--- lib/Target/X86/X86Subtarget.h
+++ lib/Target/X86/X86Subtarget.h
@@ -57,6 +57,8 @@
     IntelAtom,
     IntelSLM,
     IntelGLM,
+    IntelGLP,
+    IntelTRM,
     IntelHaswell,
     IntelBroadwell,
     IntelSkylake,
@@ -664,7 +666,11 @@
   /// TODO: to be removed later and replaced with suitable properties
   bool isAtom() const { return X86ProcFamily == IntelAtom; }
   bool isSLM() const { return X86ProcFamily == IntelSLM; }
-  bool isGLM() const { return X86ProcFamily == IntelGLM; }
+  bool isGLM() const {
+    return X86ProcFamily == IntelGLM ||
+           X86ProcFamily == IntelGLP ||
+           X86ProcFamily == IntelTRM;
+  }
   bool useSoftFloat() const { return UseSoftFloat; }
 
   /// Use mfence if we have SSE2 or we're on x86-64 (even if we asked for
Index: test/CodeGen/X86/cpus.ll
===================================================================
--- test/CodeGen/X86/cpus.ll
+++ test/CodeGen/X86/cpus.ll
@@ -53,6 +53,8 @@
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=silvermont 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=slm 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=goldmont 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
+; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=goldmont-plus 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
+; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=tremont 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=lakemont 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=knl 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=knm 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty