<div class="gmail_quote">On Tue, Apr 17, 2012 at 12:52 AM, Preston Gurd <span dir="ltr"><<a href="mailto:preston.gurd@intel.com">preston.gurd@intel.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Author: pgurd<br>
Date: Mon Apr 16 17:52:28 2012<br>
New Revision: 154874<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=154874&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=154874&view=rev</a><br>
Log:<br>
Temporarily turn off anti-dependency checking<br>
during Post RA scheduling in X86,<br>
until the X86 target is changed to properly set up<br>
post RA liveness.<br></blockquote><div><br></div><div>Missing testcase update?</div><div><br></div><div><a href="http://bb.pgr.jp/builders/cmake-llvm-x86_64-linux/builds/1499/steps/test_llvm/logs/LLVM%20%3A%3A%20CodeGen___X86___atom-sched.ll">http://bb.pgr.jp/builders/cmake-llvm-x86_64-linux/builds/1499/steps/test_llvm/logs/LLVM%20%3A%3A%20CodeGen___X86___atom-sched.ll</a></div>
<div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
<br>
Modified:<br>
    llvm/trunk/lib/Target/X86/X86Subtarget.cpp<br>
<br>
Modified: llvm/trunk/lib/Target/X86/X86Subtarget.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.cpp?rev=154874&r1=154873&r2=154874&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.cpp?rev=154874&r1=154873&r2=154874&view=diff</a><br>

==============================================================================<br>
--- llvm/trunk/lib/Target/X86/X86Subtarget.cpp (original)<br>
+++ llvm/trunk/lib/Target/X86/X86Subtarget.cpp Mon Apr 16 17:52:28 2012<br>
@@ -424,7 +424,9 @@<br>
            CodeGenOpt::Level OptLevel,<br>
            TargetSubtargetInfo::AntiDepBreakMode& Mode,<br>
            RegClassVector& CriticalPathRCs) const {<br>
-  Mode = TargetSubtargetInfo::ANTIDEP_CRITICAL;<br>
+  //TODO: change back to ANTIDEP_CRITICAL when the<br>
+  // X86 subtarget properly sets up post RA liveness.<br>
+  Mode = TargetSubtargetInfo::ANTIDEP_NONE;<br>
   CriticalPathRCs.clear();<br>
   return PostRAScheduler && OptLevel >= CodeGenOpt::Default;<br>
 }<br>
<br>
<br>
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</blockquote></div><br>