From 28659f5dcb0475b6c34d63515f7fd360e2604782 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Sat, 24 Nov 2018 20:26:11 +0000
Subject: [PATCH] [X86] Synchronize a macro in getAvailableFeatures in Host.cpp
 with the same macro in compiler-rt to fix a negative shift amount warning.

llvm-svn: 347518
---
 llvm/lib/Support/Host.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index 5a74a6bc402f..9f5bf1ffa12a 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -903,11 +903,11 @@ static void getAvailableFeatures(unsigned ECX, unsigned EDX, unsigned MaxLeaf,
 
   auto setFeature = [&](unsigned F) {
     if (F < 32)
-      Features |= 1 << F;
+      Features |= 1U << (F & 0x1f);
     else if (F < 64)
-      Features2 |= 1 << (F - 32);
+      Features2 |= 1U << ((F - 32) & 0x1f);
     else if (F < 96)
-      Features3 |= 1 << (F - 64);
+      Features3 |= 1U << ((F - 64) & 0x1f);
     else
       llvm_unreachable("Unexpected FeatureBit");
   };