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Fold ExtInfo::isThin and ::isBlock into a "Representation" enum.

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These bits are orthogonal to each other, so combine them into one, and diagnose attempts to produce a type that's both. Spot-fix a bunch of places this revealed by inspection that we would have crashed in SILGen or IRGen if blocks were be handled.

Swift SVN r16088
This commit is contained in:
Joe Groff
2014-04-09 00:37:26 +00:00
parent e9d2e122ee
commit 8adaab0233
35 changed files with 505 additions and 339 deletions
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lib/SILAnalysis/ARCAnalysis.cpp
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@@ -53,7 +53,7 @@ bool swift::arc::canDecrementRefCount(SILInstruction *User,
// Ignore any thick functions for now due to us not handling the ref-counted
// nature of its context.
if (auto FTy = AI->getCallee().getType().getAs<SILFunctionType>())
if (!FTy->isThin())
if (FTy->getExtInfo().hasContext())
return true;
// If we have a builtin that is side effect free, we can commute the