[llvm] r346973 - [X86] Guess that a CPU is Icelake it if reports support for AVX512VBMI2.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Thu Nov 15 10:11:52 2018
New Revision: 346973

URL: http://llvm.org/viewvc/llvm-project?rev=346973&view=rev
Log:
[X86] Guess that a CPU is Icelake it if reports support for AVX512VBMI2.

Modified:
    llvm/trunk/lib/Support/Host.cpp

Modified: llvm/trunk/lib/Support/Host.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Host.cpp?rev=346973&r1=346972&r2=346973&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Host.cpp (original)
+++ llvm/trunk/lib/Support/Host.cpp Thu Nov 15 10:11:52 2018
@@ -690,6 +690,12 @@ getIntelProcessorTypeAndSubtype(unsigned
       break;
 
     default: // Unknown family 6 CPU, try to guess.
+      if (Features & (1 << X86::FEATURE_AVX512VBMI2)) {
+        *Type = X86::INTEL_COREI7;
+        *Subtype = X86::INTEL_COREI7_ICELAKE_CLIENT;
+        break;
+      }
+
       if (Features & (1 << X86::FEATURE_AVX512VBMI)) {
         *Type = X86::INTEL_COREI7;
         *Subtype = X86::INTEL_COREI7_CANNONLAKE;