vendor/llvm/llvm-r84119

1 files changed, 12 insertions, 0 deletions

diff --git a/include/llvm/Target/TargetSubtarget.h b/include/llvm/Target/TargetSubtarget.h
index eca45eb0d7459..ac094f6644195 100644
--- a/include/llvm/Target/TargetSubtarget.h
+++ b/include/llvm/Target/TargetSubtarget.h
@@ -16,6 +16,9 @@
 
 namespace llvm {
 
+class SDep;
+class SUnit;
+
 //===----------------------------------------------------------------------===//
 ///
 /// TargetSubtarget - Generic base class for all target subtargets.  All
@@ -35,6 +38,15 @@ public:
   /// indicating the number of scheduling cycles of backscheduling that
   /// should be attempted.
   virtual unsigned getSpecialAddressLatency() const { return 0; }
+
+  // enablePostRAScheduler - Return true to enable
+  // post-register-allocation scheduling.
+  virtual bool enablePostRAScheduler() const { return false; }
+
+  // adjustSchedDependency - Perform target specific adjustments to
+  // the latency of a schedule dependency.
+  virtual void adjustSchedDependency(SUnit *def, SUnit *use, 
+                                     SDep& dep) const { }
 };
 
 } // End llvm namespace