Don't enable the post-RA scheduler on x86 except at -O3. In its
current form, it is too expensive in compile time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90781 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 661f560..75cdbad 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -367,5 +367,5 @@
             RegClassVector& CriticalPathRCs) const {
   Mode = TargetSubtarget::ANTIDEP_CRITICAL;
   CriticalPathRCs.clear();
-  return OptLevel >= CodeGenOpt::Default;
+  return OptLevel >= CodeGenOpt::Aggressive;
 }