[llvm] r190259 - Add neverHasSideEffects=1 on a couple move instructions.

[Craig Topper]

Author: ctopper
Date: Sat Sep  7 19:50:45 2013
New Revision: 190259

URL: http://llvm.org/viewvc/llvm-project?rev=190259&view=rev
Log:
Add neverHasSideEffects=1 on a couple move instructions.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrInfo.td
    llvm/trunk/lib/Target/X86/X86InstrSSE.td

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=190259&r1=190258&r2=190259&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Sat Sep  7 19:50:45 2013
@@ -1216,7 +1216,7 @@ def MOV8rr_NOREX : I<0x88, MRMDestReg,
                      (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
                      "mov{b}\t{$src, $dst|$dst, $src}  # NOREX", [], IIC_MOV>,
                    Sched<[WriteMove]>;
-let mayStore = 1 in
+let mayStore = 1, neverHasSideEffects = 1 in
 def MOV8mr_NOREX : I<0x88, MRMDestMem,
                      (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
                      "mov{b}\t{$src, $dst|$dst, $src}  # NOREX", [],

Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=190259&r1=190258&r2=190259&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Sat Sep  7 19:50:45 2013
@@ -3643,7 +3643,7 @@ def MOVDQUrm :   I<0x6F, MRMSrcMem, (out
                  XS, Requires<[UseSSE2]>;
 }
 
-let mayStore = 1, SchedRW = [WriteStore] in {
+let mayStore = 1, neverHasSideEffects = 1, SchedRW = [WriteStore] in {
 def MOVDQAmr : PDI<0x7F, MRMDestMem, (outs), (ins i128mem:$dst, VR128:$src),
                    "movdqa\t{$src, $dst|$dst, $src}",
                    [/*(alignedstore (v2i64 VR128:$src), addr:$dst)*/],