diff options
Diffstat (limited to 'llvm/utils/TableGen/CodeGenSchedule.cpp')
| -rw-r--r-- | llvm/utils/TableGen/CodeGenSchedule.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/llvm/utils/TableGen/CodeGenSchedule.cpp b/llvm/utils/TableGen/CodeGenSchedule.cpp index 59ea54f1d57..c4ec4933cb8 100644 --- a/llvm/utils/TableGen/CodeGenSchedule.cpp +++ b/llvm/utils/TableGen/CodeGenSchedule.cpp @@ -781,9 +781,22 @@ void CodeGenSchedModels::createInstRWClass(Record *InstRWDef) { if (OrigNumInstrs == InstDefs.size()) { assert(SchedClasses[OldSCIdx].ProcIndices[0] == 0 && "expected a generic SchedClass"); + Record *RWModelDef = InstRWDef->getValueAsDef("SchedModel"); + // Make sure we didn't already have a InstRW containing this + // instruction on this model. + for (Record *RWD : RWDefs) { + if (RWD->getValueAsDef("SchedModel") == RWModelDef && + RWModelDef->getValueAsBit("FullInstRWOverlapCheck")) { + for (Record *Inst : InstDefs) { + PrintFatalError(InstRWDef->getLoc(), "Overlapping InstRW def " + + Inst->getName() + " also matches " + + RWD->getValue("Instrs")->getValue()->getAsString()); + } + } + } DEBUG(dbgs() << "InstRW: Reuse SC " << OldSCIdx << ":" << SchedClasses[OldSCIdx].Name << " on " - << InstRWDef->getValueAsDef("SchedModel")->getName() << "\n"); + << RWModelDef->getName() << "\n"); SchedClasses[OldSCIdx].InstRWs.push_back(InstRWDef); continue; } |
