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Implement arity reabstraction for closures

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This commit is contained in:
John McCall
2023-03-21 17:38:46 -04:00
parent 3fe46464c7
commit 5cf05f501b
6 changed files with 494 additions and 321 deletions
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7
lib/SIL/IR/AbstractionPattern.cpp
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@@ -2310,10 +2310,13 @@ const {
if (yieldType)
yieldType = yieldType->getReducedType(substSig);
// Note that we specifically do not want to put subMap in the
// abstraction patterns here, because the types we will be lowering
// against them will not be substituted.
return std::make_tuple(
AbstractionPattern(subMap, substSig, substTy->getReducedType(substSig)),
AbstractionPattern(substSig, substTy->getReducedType(substSig)),
subMap,
yieldType
? AbstractionPattern(subMap, substSig, yieldType)
? AbstractionPattern(substSig, yieldType)
: AbstractionPattern::getInvalid());
}