commit 1a2cf3b4d9c6cac6123417aaa4aae3a9e4f7bb48
author Andrew Trick <atrick@apple.com> Mon Oct 11 19:02:04 2010 +0000
committer Andrew Trick <atrick@apple.com> Mon Oct 11 19:02:04 2010 +0000
tree a8b609f6ffbd97aa513ff99a560e404cfc4f291e
parent 62547267f088a060d7c1084a40d740645efe86d1

Fixes bug 8297: i386 cmpxchg8b, missing MachineMemOperand


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116214 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index adf6fff..1ab2f2b 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -8697,7 +8697,9 @@
                       N->getOperand(1),
                       swapInH.getValue(1) };
     SDVTList Tys = DAG.getVTList(MVT::Other, MVT::Flag);
-    SDValue Result = DAG.getNode(X86ISD::LCMPXCHG8_DAG, dl, Tys, Ops, 3);
+    MachineMemOperand *MMO = cast<AtomicSDNode>(N)->getMemOperand();
+    SDValue Result = DAG.getMemIntrinsicNode(X86ISD::LCMPXCHG8_DAG, dl, Tys,
+                                             Ops, 3, T, MMO);
     SDValue cpOutL = DAG.getCopyFromReg(Result.getValue(0), dl, X86::EAX,
                                         MVT::i32, Result.getValue(1));
     SDValue cpOutH = DAG.getCopyFromReg(cpOutL.getValue(1), dl, X86::EDX,