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Merge pull request #2067 from swiftix/SR-249

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Add [nonatomic] attribute to all SIL reference counting instructions.

Support this attribute at SIL level,  IRGen and LLVM-based ARC passes.
This commit is contained in:
swiftix
2016-04-06 23:56:43 -07:00
parent 7097facbd4 d8e28bb690
commit baf8e7d7cb
53 changed files with 1118 additions and 478 deletions
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7
lib/SILOptimizer/Transforms/SpeculativeDevirtualizer.cpp
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@@ -135,9 +135,10 @@ static FullApplySite speculateMonomorphicTarget(FullApplySite AI,
if (auto *Release =
dyn_cast<StrongReleaseInst>(std::next(Continue->begin()))) {
if (Release->getOperand() == CMI->getOperand()) {
VirtBuilder.createStrongRelease(Release->getLoc(), CMI->getOperand());
IdenBuilder.createStrongRelease(Release->getLoc(),
DownCastedClassInstance);
VirtBuilder.createStrongRelease(Release->getLoc(), CMI->getOperand(),
Atomicity::Atomic);
IdenBuilder.createStrongRelease(
Release->getLoc(), DownCastedClassInstance, Atomicity::Atomic);
Release->eraseFromParent();
}
}