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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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11
lib/IRGen/GenPoly.cpp
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@@ -580,7 +580,16 @@ namespace {
void visitSILFunctionType(CanSILFunctionType origTy,
CanSILFunctionType substTy) {
checkFunctionsAreCompatible(IGF.IGM, origTy, substTy);
In.transferInto(Out, 1 + (origTy->isThin() ? 0 : 1));
switch (origTy->getRepresentation()) {
case AnyFunctionType::Representation::Block:
case AnyFunctionType::Representation::Thin:
In.transferInto(Out, 1);
break;
case AnyFunctionType::Representation::Thick:
In.transferInto(Out, 2);
break;
}
}
void visitLValueType(CanLValueType origTy, CanLValueType substTy) {