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.
llvm-svn: 154874
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp
index 452dd7e..ed1a409 100644
--- a/llvm/lib/Target/X86/X86Subtarget.cpp
+++ b/llvm/lib/Target/X86/X86Subtarget.cpp
@@ -424,7 +424,9 @@
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;
}