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[TableGen] Improve error reporting

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When searching for a resource unit, use the reference location instead of
the definition location in case of an error.

Differential revision: https://reviews.llvm.org/D40263

llvm-svn: 318803
This commit is contained in:
Evandro Menezes 2017-11-21 21:33:52 +00:00
parent 10ae105d9b
commit 0e8f8debcf
3 changed files with 19 additions and 14 deletions
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16
utils/TableGen/CodeGenSchedule.cpp
View File

@ -1672,7 +1672,8 @@ void CodeGenSchedModels::collectRWResources(ArrayRef<unsigned> Writes,
// Find the processor's resource units for this kind of resource.
Record *CodeGenSchedModels::findProcResUnits(Record *ProcResKind,
const CodeGenProcModel &PM) const {
const CodeGenProcModel &PM,
ArrayRef<SMLoc> Loc) const {
if (ProcResKind->isSubClassOf("ProcResourceUnits"))
return ProcResKind;
@ -1684,7 +1685,7 @@ Record *CodeGenSchedModels::findProcResUnits(Record *ProcResKind,
if (ProcResDef->getValueAsDef("Kind") == ProcResKind
&& ProcResDef->getValueAsDef("SchedModel") == PM.ModelDef) {
if (ProcUnitDef) {
PrintFatalError(ProcResDef->getLoc(),
PrintFatalError(Loc,
"Multiple ProcessorResourceUnits associated with "
+ ProcResKind->getName());
}
@ -1695,7 +1696,7 @@ Record *CodeGenSchedModels::findProcResUnits(Record *ProcResKind,
if (ProcResGroup == ProcResKind
&& ProcResGroup->getValueAsDef("SchedModel") == PM.ModelDef) {
if (ProcUnitDef) {
PrintFatalError((ProcResGroup)->getLoc(),
PrintFatalError(Loc,
"Multiple ProcessorResourceUnits associated with "
+ ProcResKind->getName());
}
@ -1703,7 +1704,7 @@ Record *CodeGenSchedModels::findProcResUnits(Record *ProcResKind,
}
}
if (!ProcUnitDef) {
PrintFatalError(ProcResKind->getLoc(),
PrintFatalError(Loc,
"No ProcessorResources associated with "
+ ProcResKind->getName());
}
@ -1712,9 +1713,10 @@ Record *CodeGenSchedModels::findProcResUnits(Record *ProcResKind,
// Iteratively add a resource and its super resources.
void CodeGenSchedModels::addProcResource(Record *ProcResKind,
CodeGenProcModel &PM) {
CodeGenProcModel &PM,
ArrayRef<SMLoc> Loc) {
while (true) {
Record *ProcResUnits = findProcResUnits(ProcResKind, PM);
Record *ProcResUnits = findProcResUnits(ProcResKind, PM, Loc);
// See if this ProcResource is already associated with this processor.
if (is_contained(PM.ProcResourceDefs, ProcResUnits))
@ -1744,7 +1746,7 @@ void CodeGenSchedModels::addWriteRes(Record *ProcWriteResDef, unsigned PIdx) {
RecVec ProcResDefs = ProcWriteResDef->getValueAsListOfDefs("ProcResources");
for (RecIter WritePRI = ProcResDefs.begin(), WritePRE = ProcResDefs.end();
WritePRI != WritePRE; ++WritePRI) {
addProcResource(*WritePRI, ProcModels[PIdx]);
addProcResource(*WritePRI, ProcModels[PIdx], ProcWriteResDef->getLoc());
}
}

7
utils/TableGen/CodeGenSchedule.h
View File

@ -382,8 +382,8 @@ public:
unsigned findSchedClassIdx(Record *ItinClassDef, ArrayRef<unsigned> Writes,
ArrayRef<unsigned> Reads) const;
Record *findProcResUnits(Record *ProcResKind,
const CodeGenProcModel &PM) const;
Record *findProcResUnits(Record *ProcResKind, const CodeGenProcModel &PM,
ArrayRef<SMLoc> Loc) const;
private:
void collectProcModels();
@ -432,7 +432,8 @@ private:
void collectRWResources(ArrayRef<unsigned> Writes, ArrayRef<unsigned> Reads,
ArrayRef<unsigned> ProcIndices);
void addProcResource(Record *ProcResourceKind, CodeGenProcModel &PM);
void addProcResource(Record *ProcResourceKind, CodeGenProcModel &PM,
ArrayRef<SMLoc> Loc);
void addWriteRes(Record *ProcWriteResDef, unsigned PIdx);

10
utils/TableGen/SubtargetEmitter.cpp
View File

@ -601,8 +601,9 @@ void SubtargetEmitter::EmitProcessorResources(const CodeGenProcModel &ProcModel,
else {
// Find the SuperIdx
if (PRDef->getValueInit("Super")->isComplete()) {
SuperDef = SchedModels.findProcResUnits(
PRDef->getValueAsDef("Super"), ProcModel);
SuperDef =
SchedModels.findProcResUnits(PRDef->getValueAsDef("Super"),
ProcModel, PRDef->getLoc());
SuperIdx = ProcModel.getProcResourceIdx(SuperDef);
}
NumUnits = PRDef->getValueAsInt("NumUnits");
@ -739,7 +740,7 @@ void SubtargetEmitter::ExpandProcResources(RecVec &PRVec,
SubResources = PRDef->getValueAsListOfDefs("Resources");
else {
SubResources.push_back(PRDef);
PRDef = SchedModels.findProcResUnits(PRVec[i], PM);
PRDef = SchedModels.findProcResUnits(PRDef, PM, PRDef->getLoc());
for (Record *SubDef = PRDef;
SubDef->getValueInit("Super")->isComplete();) {
if (SubDef->isSubClassOf("ProcResGroup")) {
@ -748,7 +749,8 @@ void SubtargetEmitter::ExpandProcResources(RecVec &PRVec,
" cannot be a super resources.");
}
Record *SuperDef =
SchedModels.findProcResUnits(SubDef->getValueAsDef("Super"), PM);
SchedModels.findProcResUnits(SubDef->getValueAsDef("Super"), PM,
SubDef->getLoc());
PRVec.push_back(SuperDef);
Cycles.push_back(Cycles[i]);
SubDef = SuperDef;