Machine Model: Add MicroOpBufferSize and resource BufferSize.

[oota-llvm.git] / include / llvm / MC / MCInstrItineraries.h

diff --git a/include/llvm/MC/MCInstrItineraries.h b/include/llvm/MC/MCInstrItineraries.h
index 65d1559ac66a38260b6c4659c7cac0ed2f61a757..c4f9e1c32ab107e258b1d7b4b67ada74f883307f 100644 (file)
--- a/include/llvm/MC/MCInstrItineraries.h
+++ b/include/llvm/MC/MCInstrItineraries.h
@@ -157,17 +157,12 @@ public:
   /// class.  The latency is the maximum completion time for any stage
   /// in the itinerary.
   ///
-  /// InstrStages override the itinerary's MinLatency property. In fact, if the
-  /// stage latencies, which may be zero, are less than MinLatency,
-  /// getStageLatency returns a value less than MinLatency.
-  ///
-  /// If no stages exist, MinLatency is used. If MinLatency is invalid (<0),
-  /// then it defaults to one cycle.
+  /// If no stages exist, it defaults to one cycle.
   unsigned getStageLatency(unsigned ItinClassIndx) const {
     // If the target doesn't provide itinerary information, use a simple
     // non-zero default value for all instructions.
     if (isEmpty())
-      return SchedModel->MinLatency < 0 ? 1 : SchedModel->MinLatency;
+      return 1;
 
     // Calculate the maximum completion time for any stage.
     unsigned Latency = 0, StartCycle = 0;
@@ -176,7 +171,6 @@ public:
       Latency = std::max(Latency, StartCycle + IS->getCycles());
       StartCycle += IS->getNextCycles();
     }
-
     return Latency;
   }