From c573b1f7ae7ea3bf3757a383a46e9d4426de013e Mon Sep 17 00:00:00 2001
From: Preston Gurd <preston.gurd@intel.com>
Date: Thu, 26 Apr 2012 19:52:27 +0000
Subject: [PATCH] Trivial change to set UseLeaForSP flag in addition to
 toggling the FeatureLeaForSP feature bit when llvm auto detects Intel Atom.

Patch by Andy Zhang



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155655 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86Subtarget.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index fbc5b8ca95d..b924dc42592 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -255,6 +255,8 @@ void X86Subtarget::AutoDetectSubtargetFeatures() {
     // Set processor type. Currently only Atom is detected.
     if (Family == 6 && Model == 28) {
       X86ProcFamily = IntelAtom;
+
+      UseLeaForSP = true;
       ToggleFeature(X86::FeatureLeaForSP);
     }