From e6409602a1f9dd3204628ceb32f5b715877a0060 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Thu, 15 Aug 2019 06:46:26 +0000
Subject: [PATCH] [X86] Make sure load is non-volatile in the MMX_X86movdq2q
 (loadv2i64) isel pattern.

This pattern will narrow the load so we should make sure its not
volatile.

llvm-svn: 368971
---
 llvm/lib/Target/X86/X86InstrMMX.td | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Target/X86/X86InstrMMX.td b/llvm/lib/Target/X86/X86InstrMMX.td
index 93e1cbdc8026..82cad92c53a3 100644
--- a/llvm/lib/Target/X86/X86InstrMMX.td
+++ b/llvm/lib/Target/X86/X86InstrMMX.td
@@ -574,7 +574,7 @@ def MMX_X86movdq2q : SDNode<"X86ISD::MOVDQ2Q", SDTypeProfile<1, 1,
 def : Pat<(x86mmx (MMX_X86movdq2q VR128:$src)),
           (x86mmx (MMX_MOVDQ2Qrr VR128:$src))>;
 
-def : Pat<(x86mmx (MMX_X86movdq2q (loadv2i64 addr:$src))),
+def : Pat<(x86mmx (MMX_X86movdq2q (v2i64 (nonvolatile_load addr:$src)))),
           (x86mmx (MMX_MOVQ64rm addr:$src))>;
 
 // Misc.