[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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@368971 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrMMX.td b/lib/Target/X86/X86InstrMMX.td
index 93e1cbdc8026086741f9739f45c901639edd6bdc..82cad92c53a3c2e8fc155dab227605d52e9890b1 100644 (file)
--- a/lib/Target/X86/X86InstrMMX.td
+++ b/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.