MI-Sched cleanup. If an instruction has no valid sched class, do not attempt to check for a variant.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179451 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2013-04-13 06:07:45 +00:00
parent f521997303
commit 6a22dba485

View File

@ -128,6 +128,8 @@ resolveSchedClass(const MachineInstr *MI) const {
// Get the definition's scheduling class descriptor from this machine model. // Get the definition's scheduling class descriptor from this machine model.
unsigned SchedClass = MI->getDesc().getSchedClass(); unsigned SchedClass = MI->getDesc().getSchedClass();
const MCSchedClassDesc *SCDesc = SchedModel.getSchedClassDesc(SchedClass); const MCSchedClassDesc *SCDesc = SchedModel.getSchedClassDesc(SchedClass);
if (!SCDesc->isValid())
return SCDesc;
#ifndef NDEBUG #ifndef NDEBUG
unsigned NIter = 0; unsigned NIter = 0;