Avoid eraseing copies from a reserved register unless the definition can be

[oota-llvm.git] / lib / CodeGen / ScoreboardHazardRecognizer.cpp

diff --git a/lib/CodeGen/ScoreboardHazardRecognizer.cpp b/lib/CodeGen/ScoreboardHazardRecognizer.cpp
index 35e48cd8a133faa067827e444a25130c42472f90..b80c01ed58b97dc297f3a4cf69ea7ee1ec7b67e1 100644 (file)
--- a/lib/CodeGen/ScoreboardHazardRecognizer.cpp
+++ b/lib/CodeGen/ScoreboardHazardRecognizer.cpp
@@ -16,11 +16,11 @@
 #define DEBUG_TYPE ::llvm::ScoreboardHazardRecognizer::DebugType
 #include "llvm/CodeGen/ScoreboardHazardRecognizer.h"
 #include "llvm/CodeGen/ScheduleDAG.h"
+#include "llvm/MC/MCInstrItineraries.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetInstrItineraries.h"
 
 using namespace llvm;
 
@@ -213,7 +213,6 @@ void ScoreboardHazardRecognizer::EmitInstruction(SUnit *SU) {
         freeUnits = freeUnit & (freeUnit - 1);
       } while (freeUnits);
 
-      assert(freeUnit && "No function unit available!");
       if (IS->getReservationKind() == InstrStage::Required)
         RequiredScoreboard[cycle + i] |= freeUnit;
       else