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[GenPack] Emit all element signature requirements. #63665

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Merged
merged 4 commits into from
Feb 16, 2023
Merged

[GenPack] Emit all element signature requirements. #63665

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1624167
[IRGen] Fixed GenericRequirement::isPack.
nate-chandler Feb 14, 2023
befd0bc
[GenPack] Emit all element signature requirements.
nate-chandler Feb 14, 2023
0d8aac1
[Test] Verified called witness.
nate-chandler Feb 15, 2023
c5563ff
[Test] Verified variadic type construction.
nate-chandler Feb 15, 2023
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18 changes: 4 additions & 14 deletions include/swift/IRGen/GenericRequirement.h
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Original file line number Diff line number Diff line change
Expand Up @@ -58,16 +58,6 @@ class GenericRequirement {
GenericRequirement(Kind kind, CanType type, ProtocolDecl *proto)
: kind(kind), type(type), proto(proto) {}

static bool isPack(CanType ty) {
if (auto gp = dyn_cast<GenericTypeParamType>(ty))
return gp->isParameterPack();
if (auto dm = dyn_cast<DependentMemberType>(ty))
if (auto gp =
dyn_cast<GenericTypeParamType>(dm->getBase()->getCanonicalType()))
return gp->isParameterPack();
return false;
}

public:
Kind getKind() const {
return kind;
Expand All @@ -91,7 +81,7 @@ class GenericRequirement {
}

bool isMetadata() const {
return kind == Kind::Metadata;
return kind == Kind::Metadata || kind == Kind::MetadataPack;
}

static GenericRequirement forMetadata(CanType type, bool isPack) {
Expand All @@ -100,11 +90,11 @@ class GenericRequirement {
}

static GenericRequirement forMetadata(CanType type) {
return forMetadata(type, isPack(type));
return forMetadata(type, type->hasParameterPack());
}

bool isWitnessTable() const {
return kind == Kind::WitnessTable;
return kind == Kind::WitnessTable || kind == Kind::WitnessTablePack;
}

static GenericRequirement forWitnessTable(CanType type, ProtocolDecl *proto,
Expand All @@ -114,7 +104,7 @@ class GenericRequirement {
}

static GenericRequirement forWitnessTable(CanType type, ProtocolDecl *proto) {
return forWitnessTable(type, proto, isPack(type));
return forWitnessTable(type, proto, type->hasParameterPack());
}

static llvm::Type *typeForKind(irgen::IRGenModule &IGM,
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