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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/SimplifyCFG.cpp
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@@ -207,7 +207,7 @@ static bool isUsedOutsideOfBlock(SILValue V, SILBasicBlock *BB) {
/// Helper function to perform SSA updates in case of jump threading.
void swift::updateSSAAfterCloning(BasicBlockCloner &Cloner,
SILBasicBlock *SrcBB, SILBasicBlock *DestBB) {
SILSSAUpdater SSAUp;
SILSSAUpdater SSAUp(SrcBB->getParent()->getModule());
for (auto AvailValPair : Cloner.AvailVals) {
ValueBase *Inst = AvailValPair.first;
if (Inst->use_empty())