<p dir="ltr">Can this (& subsequent similar tests) be tested?</p>
<div class="gmail_quote">On Apr 7, 2013 3:01 PM, "Hal Finkel" <<a href="mailto:hfinkel@anl.gov">hfinkel@anl.gov</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Author: hfinkel<br>
Date: Sat Apr  6 23:56:16 2013<br>
New Revision: 178970<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=178970&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=178970&view=rev</a><br>
Log:<br>
PPC FMR instruction does not have side effects<br>
<br>
Modified:<br>
    llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td<br>
<br>
Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td?rev=178970&r1=178969&r2=178970&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td?rev=178970&r1=178969&r2=178970&view=diff</a><br>

==============================================================================<br>
--- llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td (original)<br>
+++ llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td Sat Apr  6 23:56:16 2013<br>
@@ -1201,6 +1201,7 @@ let Uses = [RM] in {<br>
 /// often coalesced away and we don't want the dispatch group builder to think<br>
 /// that they will fill slots (which could cause the load of a LSU reject to<br>
 /// sneak into a d-group with a store).<br>
+let neverHasSideEffects = 1 in<br>
 def FMR   : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),<br>
                      "fmr $frD, $frB", FPGeneral,<br>
                      []>,  // (set f32:$frD, f32:$frB)<br>
<br>
<br>
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</blockquote></div>