[llvm] r318612 - [X86] Add skeleton support for icelake CPU.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat Nov 18 17:12:00 2017
New Revision: 318612

URL: http://llvm.org/viewvc/llvm-project?rev=318612&view=rev
Log:
[X86] Add skeleton support for icelake CPU.

There are several patches out for review right now to implement Icelake features. This adds a CPU to collect them under.

Modified:
    llvm/trunk/lib/Target/X86/X86.td
    llvm/trunk/lib/Target/X86/X86Subtarget.h
    llvm/trunk/test/CodeGen/X86/cpus.ll

Modified: llvm/trunk/lib/Target/X86/X86.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86.td?rev=318612&r1=318611&r2=318612&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86.td (original)
+++ llvm/trunk/lib/Target/X86/X86.td Sat Nov 18 17:12:00 2017
@@ -317,6 +317,8 @@ def ProcIntelSKX  : SubtargetFeature<"sk
                     "IntelSKX", "Intel Skylake Server processors">;
 def ProcIntelCNL  : SubtargetFeature<"cannonlake", "X86ProcFamily",
                     "IntelCannonlake", "Intel Cannonlake processors">;
+def ProcIntelICL  : SubtargetFeature<"icelake", "X86ProcFamily",
+                    "IntelIcelake", "Intel Icelake processors">;
 
 class Proc<string Name, list<SubtargetFeature> Features>
  : ProcessorModel<Name, GenericModel, Features>;
@@ -662,6 +664,16 @@ class CannonlakeProc<string Name> : Proc
 ]>;
 def : CannonlakeProc<"cannonlake">;
 
+def ICLFeatures : ProcessorFeatures<CNLFeatures.Value, [
+  // TODO: Insert features here.
+]>;
+
+class IcelakeProc<string Name> : ProcModel<Name, SkylakeServerModel,
+                                           ICLFeatures.Value, [
+  ProcIntelICL
+]>;
+def : IcelakeProc<"icelake">;
+
 // AMD CPUs.
 
 def : Proc<"k6",              [FeatureX87, FeatureSlowUAMem16, FeatureMMX]>;

Modified: llvm/trunk/lib/Target/X86/X86Subtarget.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.h?rev=318612&r1=318611&r2=318612&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86Subtarget.h (original)
+++ llvm/trunk/lib/Target/X86/X86Subtarget.h Sat Nov 18 17:12:00 2017
@@ -70,7 +70,8 @@ protected:
     IntelSkylake,
     IntelKNL,
     IntelSKX,
-    IntelCannonlake
+    IntelCannonlake,
+    IntelIcelake,
   };
 
   /// X86 processor family: Intel Atom, and others

Modified: llvm/trunk/test/CodeGen/X86/cpus.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/cpus.ll?rev=318612&r1=318611&r2=318612&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/cpus.ll (original)
+++ llvm/trunk/test/CodeGen/X86/cpus.ll Sat Nov 18 17:12:00 2017
@@ -42,10 +42,11 @@
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=haswell 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=core-avx2 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=broadwell 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
-; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=cannonlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=skylake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=skylake-avx512 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=skx 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
+; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=cannonlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
+; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=icelake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=atom 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=bonnell 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=silvermont 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty