[llvm] r256839 - [MISched] Explanatory error message when machine model is not complete. NFC

[MinSeong Kim via llvm-commits]

Author: minseongkim
Date: Tue Jan  5 08:50:15 2016
New Revision: 256839

URL: http://llvm.org/viewvc/llvm-project?rev=256839&view=rev
Log:
[MISched] Explanatory error message when machine model is not complete. NFC

When not all instructions have a scheduling class,
the error message now provides a possible solution.

Differential Revision: http://reviews.llvm.org/D15854

Modified:
    llvm/trunk/lib/CodeGen/TargetSchedule.cpp

Modified: llvm/trunk/lib/CodeGen/TargetSchedule.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/TargetSchedule.cpp?rev=256839&r1=256838&r2=256839&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/TargetSchedule.cpp (original)
+++ llvm/trunk/lib/CodeGen/TargetSchedule.cpp Tue Jan  5 08:50:15 2016
@@ -212,7 +212,7 @@ unsigned TargetSchedModel::computeOperan
       && !DefMI->getDesc().OpInfo[DefOperIdx].isOptionalDef()
       && SchedModel.isComplete()) {
     errs() << "DefIdx " << DefIdx << " exceeds machine model writes for "
-           << *DefMI;
+           << *DefMI << " (Try with MCSchedModel.CompleteModel set to false)";
     llvm_unreachable("incomplete machine model");
   }
 #endif