From: Easwaran Raman <eraman@google.com>
Date: Wed, 12 Apr 2017 15:26:15 +0000 (+0000)
Subject: Fix the bootstrap failure caused by r299986.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6f3228cc8266dcf333e160fb41e40bcba1cdfc88;p=llvm

Fix the bootstrap failure caused by r299986.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300069 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index ddc7ea4c33c..722fb12fadd 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -8990,6 +8990,10 @@ X86InstrInfo::areLoadsFromSameBasePtr(SDNode *Load1, SDNode *Load2,
       !HasSameOp(X86::AddrIndexReg) || !HasSameOp(X86::AddrSegmentReg))
     return false;
 
+  // Chain Operand must be the same.
+  if (!HasSameOp(5))
+    return false;
+
   // Now let's examine if the displacements are constants.
   auto Disp1 = dyn_cast<ConstantSDNode>(Load1->getOperand(X86::AddrDisp));
   auto Disp2 = dyn_cast<ConstantSDNode>(Load2->getOperand(X86::AddrDisp));