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[region-isolation] Move computation of SILIsolationInfo for a SILFunctionArgument onto SILIsolationInfo::get(...).

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This commit is contained in:
Michael Gottesman
2024-03-20 16:17:50 -07:00
parent c2dcdb915f
commit 608493c15c
3 changed files with 27 additions and 32 deletions
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33
lib/SILOptimizer/Analysis/RegionAnalysis.cpp
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@@ -3383,39 +3383,8 @@ TrackableValue RegionAnalysisValueMap::getTrackableValue(
if (auto *fArg =
dyn_cast<SILFunctionArgument>(iter.first->first.getValue())) {
if (!isTransferrableFunctionArgument(fArg)) {
auto *self =
iter.first->first.getValue()->getFunction()->maybeGetSelfArgument();
NominalTypeDecl *nomDecl = nullptr;
if (self &&
((nomDecl = self->getType().getNominalOrBoundGenericNominal()))) {
iter.first->getSecond().mergeIsolationRegionInfo(
SILIsolationInfo::getActorIsolated(nomDecl));
return {iter.first->first, iter.first->second};
}
// See if we can infer actor isolation from our fArg's value decl.
//
// This handles functions generated by SILGen with global actors, but
// doesn't handle SIL written global actors since function arguments
// parsed from SIL do not have associated var decls.
if (auto *decl = fArg->getDecl()) {
auto isolation =
swift::getActorIsolation(const_cast<ValueDecl *>(decl));
if (!bool(isolation)) {
if (auto *dc = decl->getDeclContext()) {
isolation = swift::getActorIsolationOfContext(dc);
}
}
if (isolation.isActorIsolated()) {
iter.first->getSecond().mergeIsolationRegionInfo(
SILIsolationInfo::getActorIsolated(isolation));
return {iter.first->first, iter.first->second};
}
}
iter.first->getSecond().mergeIsolationRegionInfo(
SILIsolationInfo::getTaskIsolated(fArg));
SILIsolationInfo::get(fArg));
return {iter.first->first, iter.first->second};
}
}