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Enhance -assume-single-threaded option (SR-3945)

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This commit is contained in:
Mikio Takeuchi
2017-02-17 13:46:16 +09:00
parent a99141cbc3
commit 488d531846
44 changed files with 422 additions and 207 deletions
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16
lib/SILOptimizer/Transforms/SILCodeMotion.cpp
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@@ -73,17 +73,19 @@ static void createRefCountOpForPayload(SILBuilder &Builder, SILInstruction *I,
++NumRefCountOpsSimplified;
auto *RCI = cast<RefCountingInst>(I);
// If we have a retain value...
if (isa<RetainValueInst>(I)) {
// And our payload is refcounted, insert a strong_retain onto the
// payload.
if (UEDITy.isReferenceCounted(Mod)) {
Builder.createStrongRetain(I->getLoc(), UEDI, Atomicity::Atomic);
Builder.createStrongRetain(I->getLoc(), UEDI, RCI->getAtomicity());
return;
}
// Otherwise, insert a retain_value on the payload.
Builder.createRetainValue(I->getLoc(), UEDI, Atomicity::Atomic);
Builder.createRetainValue(I->getLoc(), UEDI, RCI->getAtomicity());
return;
}
@@ -94,13 +96,13 @@ static void createRefCountOpForPayload(SILBuilder &Builder, SILInstruction *I,
// If our payload has reference semantics, insert the strong release.
if (UEDITy.isReferenceCounted(Mod)) {
Builder.createStrongRelease(I->getLoc(), UEDI, Atomicity::Atomic);
Builder.createStrongRelease(I->getLoc(), UEDI, RCI->getAtomicity());
return;
}
// Otherwise if our payload is non-trivial but lacking reference semantics,
// insert the release_value.
Builder.createReleaseValue(I->getLoc(), UEDI, Atomicity::Atomic);
Builder.createReleaseValue(I->getLoc(), UEDI, RCI->getAtomicity());
}
//===----------------------------------------------------------------------===//
@@ -1545,9 +1547,9 @@ sinkIncrementsOutOfSwitchRegions(AliasAnalysis *AA,
//
// TODO: Which debug loc should we use here? Using one of the locs from the
// delete list seems reasonable for now...
SILBuilder(getBB()->begin()).createRetainValue(DeleteList[0]->getLoc(),
EnumValue,
Atomicity::Atomic);
SILBuilder Builder(getBB()->begin());
Builder.createRetainValue(DeleteList[0]->getLoc(), EnumValue,
cast<RefCountingInst>(DeleteList[0])->getAtomicity());
for (auto *I : DeleteList)
I->eraseFromParent();
++NumSunk;