Use llvm_unreachable() instead of report_fatal_error() if the machine model is incomplete
This error is for developers only so it makes sense to abort and get a
backtrace.
llvm-svn: 242551
diff --git a/llvm/lib/CodeGen/TargetSchedule.cpp b/llvm/lib/CodeGen/TargetSchedule.cpp
index 299380d..fc65639 100644
--- a/llvm/lib/CodeGen/TargetSchedule.cpp
+++ b/llvm/lib/CodeGen/TargetSchedule.cpp
@@ -211,11 +211,9 @@
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;
+ llvm_unreachable("incomplete machine model");
}
#endif
// FIXME: Automatically giving all implicit defs defaultDefLatency is