Merging r257977:

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

diff --git a/lib/CodeGen/TargetSchedule.cpp b/lib/CodeGen/TargetSchedule.cpp
index 299380d9268b8033d5c577195212e3a2cc19b9d6..1c4558cea5f58e6680a1ebc95dd6e7550b562e45 100644 (file)
--- a/lib/CodeGen/TargetSchedule.cpp
+++ b/lib/CodeGen/TargetSchedule.cpp
@@ -211,11 +211,9 @@ unsigned TargetSchedModel::computeOperandLatency(
   if (SCDesc->isValid() && !DefMI->getOperand(DefOperIdx).isImplicit()
       && !DefMI->getDesc().OpInfo[DefOperIdx].isOptionalDef()
       && SchedModel.isComplete()) {
-    std::string Err;
-    raw_string_ostream ss(Err);
-    ss << "DefIdx " << DefIdx << " exceeds machine model writes for "
-       << *DefMI;
-    report_fatal_error(ss.str());
+    errs() << "DefIdx " << DefIdx << " exceeds machine model writes for "
+           << *DefMI << " (Try with MCSchedModel.CompleteModel set to false)";
+    llvm_unreachable("incomplete machine model");
   }
 #endif
   // FIXME: Automatically giving all implicit defs defaultDefLatency is