TableGen fix for the new machine model.
Properly handle cases where a group of instructions have different
SchedRW lists with the same itinerary class.
This was supposed to work, but I left in an early break.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177317 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenSchedule.cpp b/utils/TableGen/CodeGenSchedule.cpp
index e3a6fe1..227019d 100644
--- a/utils/TableGen/CodeGenSchedule.cpp
+++ b/utils/TableGen/CodeGenSchedule.cpp
@@ -779,14 +779,16 @@
for (unsigned i = 0, N = ItinRecords.size(); i < N; i++) {
Record *ItinData = ItinRecords[i];
Record *ItinDef = ItinData->getValueAsDef("TheClass");
- SchedClassIter SCI = schedClassBegin(), SCE = schedClassEnd();
- for( ; SCI != SCE; ++SCI) {
+ bool FoundClass = false;
+ for (SchedClassIter SCI = schedClassBegin(), SCE = schedClassEnd();
+ SCI != SCE; ++SCI) {
+ // Multiple SchedClasses may share an itinerary. Update all of them.
if (SCI->ItinClassDef == ItinDef) {
ProcModel.ItinDefList[SCI->Index] = ItinData;
- break;
+ FoundClass = true;
}
}
- if (SCI == SCE) {
+ if (!FoundClass) {
DEBUG(dbgs() << ProcModel.ItinsDef->getName()
<< " missing class for itinerary " << ItinDef->getName() << '\n');
}