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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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2
lib/SILOptimizer/Transforms/DeadObjectElimination.cpp
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@@ -595,7 +595,7 @@ static bool removeAndReleaseArray(SingleValueInstruction *NewArrayValue,
return false;
}
// For each store location, insert releases.
SILSSAUpdater SSAUp;
SILSSAUpdater SSAUp(ArrayDef->getModule());
ValueLifetimeAnalysis::Frontier ArrayFrontier;
if (!VLA.computeFrontier(ArrayFrontier,
ValueLifetimeAnalysis::UsersMustPostDomDef,