From: Preston Gurd <preston.gurd@intel.com>
Date: Mon, 16 Apr 2012 22:52:28 +0000 (+0000)
Subject: Temporarily turn off anti-dependency checking
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f23293793aaf3a566fd000d734eb7217bb3db974;p=oota-llvm.git

Temporarily turn off anti-dependency checking
during Post RA scheduling in X86,
until the X86 target is changed to properly set up
post RA liveness.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154874 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 452dd7eba32..ed1a40965aa 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -424,7 +424,9 @@ bool X86Subtarget::enablePostRAScheduler(
            CodeGenOpt::Level OptLevel,
            TargetSubtargetInfo::AntiDepBreakMode& Mode,
            RegClassVector& CriticalPathRCs) const {
-  Mode = TargetSubtargetInfo::ANTIDEP_CRITICAL;
+  //TODO: change back to ANTIDEP_CRITICAL when the
+  // X86 subtarget properly sets up post RA liveness.
+  Mode = TargetSubtargetInfo::ANTIDEP_NONE;
   CriticalPathRCs.clear();
   return PostRAScheduler && OptLevel >= CodeGenOpt::Default;
 }