From: Igor Breger <igor.breger@intel.com>
Date: Mon, 21 Aug 2017 09:17:28 +0000 (+0000)
Subject: [GlobalISel][X86] InstructionSelector, for now use fallback path for LOAD_STACK_GUARD... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7c7e6bed7bf1be3e5ce1a94909d67a4dc7eb300d;p=llvm

[GlobalISel][X86] InstructionSelector, for now use fallback path for LOAD_STACK_GUARD and PHI nodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@311323 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstructionSelector.cpp b/lib/Target/X86/X86InstructionSelector.cpp
index e2f38c51198..c29f402b522 100644
--- a/lib/Target/X86/X86InstructionSelector.cpp
+++ b/lib/Target/X86/X86InstructionSelector.cpp
@@ -285,6 +285,11 @@ bool X86InstructionSelector::select(MachineInstr &I) const {
   if (!isPreISelGenericOpcode(Opcode)) {
     // Certain non-generic instructions also need some special handling.
 
+    if (Opcode == TargetOpcode::LOAD_STACK_GUARD)
+      return false;
+    if (Opcode == TargetOpcode::PHI)
+      return false;
+
     if (I.isCopy())
       return selectCopy(I, MRI);