Allow target to specify regclass for which antideps will only be broken along the critical path.

llvm-svn: 88682
diff --git a/llvm/lib/Target/TargetSubtarget.cpp b/llvm/lib/Target/TargetSubtarget.cpp
index 696c09b..edb76f9 100644
--- a/llvm/lib/Target/TargetSubtarget.cpp
+++ b/llvm/lib/Target/TargetSubtarget.cpp
@@ -25,9 +25,9 @@
 bool TargetSubtarget::enablePostRAScheduler(
           CodeGenOpt::Level OptLevel,
           AntiDepBreakMode& Mode,
-          ExcludedRCVector& ExcludedRCs) const {
+          RegClassVector& CriticalPathRCs) const {
   Mode = ANTIDEP_NONE;
-  ExcludedRCs.clear();
+  CriticalPathRCs.clear();
   return false;
 }