From: Craig Topper <craig.topper@intel.com>
Date: Thu, 15 Nov 2018 18:11:52 +0000 (+0000)
Subject: [X86] Guess that a CPU is Icelake it if reports support for AVX512VBMI2.
X-Git-Tag: llvmorg-8.0.0-rc1~4185
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aa3f2494b353aa4eac7d6dae8afcbc5c34d59656;p=platform%2Fupstream%2Fllvm.git

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

llvm-svn: 346973
---

diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index c616dbe..5a74a6b 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -690,6 +690,12 @@ getIntelProcessorTypeAndSubtype(unsigned Family, unsigned Model,
       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;