more flags set right



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45860 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td
index bd7b4f2..5d4f17a 100644
--- a/lib/Target/X86/X86Instr64bit.td
+++ b/lib/Target/X86/X86Instr64bit.td
@@ -526,6 +526,7 @@
 def SHL64ri  : RIi8<0xC1, MRM4r, (outs GR64:$dst), (ins GR64:$src1, i8imm:$src2),
                     "shl{q}\t{$src2, $dst|$dst, $src2}",
                     [(set GR64:$dst, (shl GR64:$src1, (i8 imm:$src2)))]>;
+let neverHasSideEffects = 1 in
 def SHL64r1  : RI<0xD1, MRM4r, (outs GR64:$dst), (ins GR64:$src1),
                  "shl{q}\t$dst", []>;
 } // isTwoAddress