misched: Added MultiIssueItineraries.

This allows a subtarget to explicitly specify the issue width and
other properties without providing pipeline stage details for every
instruction.

llvm-svn: 157979

1 files changed, 4 insertions, 2 deletions

diff --git a/llvm/lib/MC/MCSubtargetInfo.cpp b/llvm/lib/MC/MCSubtargetInfo.cpp
index 86dc1083cee..cb56a540644 100644
--- a/llvm/lib/MC/MCSubtargetInfo.cpp
+++ b/llvm/lib/MC/MCSubtargetInfo.cpp
@@ -91,6 +91,8 @@ MCSubtargetInfo::getInstrItineraryForCPU(StringRef CPU) const {
     return InstrItineraryData();
   }
 
-  return InstrItineraryData(Stages, OperandCycles, ForwardingPathes,
-                            (InstrItinerary *)Found->Value);
+  InstrItinerarySubtargetValue *V =
+    (InstrItinerarySubtargetValue *)Found->Value;
+  return InstrItineraryData(V->Props, Stages, OperandCycles, ForwardingPathes,
+                            V->Itineraries);
 }