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[ownership] Change SILUndef to return Any ownership for trivial values and owned for non-trivial values.

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This is in preparation for verifying that when ownership verification is enabled
that only enums and trivial values can have any ownership. I am doing this in
preparation for eliminating ValueOwnershipKind::Trivial.

rdar://46294760
This commit is contained in:
Michael Gottesman
2018-11-26 16:39:22 -08:00
parent 83c4266e18
commit c9bb5161a1
16 changed files with 64 additions and 39 deletions
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6
lib/SILOptimizer/Utils/SILSSAUpdater.cpp
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@@ -34,9 +34,9 @@ void SILSSAUpdater::deallocateSentinel(SILUndef *D) {
AlignedFree(D);
}
SILSSAUpdater::SILSSAUpdater(SmallVectorImpl<SILPhiArgument *> *PHIs)
SILSSAUpdater::SILSSAUpdater(SILModule &M, SmallVectorImpl<SILPhiArgument *> *PHIs)
: AV(nullptr), PHISentinel(nullptr, deallocateSentinel),
InsertedPHIs(PHIs) {}
InsertedPHIs(PHIs), M(M) {}
SILSSAUpdater::~SILSSAUpdater() = default;
@@ -44,7 +44,7 @@ void SILSSAUpdater::Initialize(SILType Ty) {
ValType = Ty;
PHISentinel = std::unique_ptr<SILUndef, void (*)(SILUndef *)>(
SILUndef::getSentinelValue(Ty, this), SILSSAUpdater::deallocateSentinel);
SILUndef::getSentinelValue(Ty, M, this), SILSSAUpdater::deallocateSentinel);
if (!AV)
AV.reset(new AvailableValsTy());