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SILGen: Emit implicit constructors.

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Teach SILGen how to emit the implicit elementwise constructor for structs and the implicit default constructor for classes, and eliminate the now dead IRGen code for them. Add a StructInst SIL instruction to represent constructing a loadable struct value from elements, analogous to TupleInst for tuples.

Swift SVN r4778
This commit is contained in:
Joe Groff
2013-04-17 20:51:26 +00:00
parent dc1fe2f8e2
commit b9bb84c58e
14 changed files with 255 additions and 189 deletions
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15
include/swift/SIL/SILBuilder.h
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@@ -151,8 +151,8 @@ public:
FloatLiteralInst *createFloatLiteral(FloatLiteralExpr *E) {
return insert(new FloatLiteralInst(E));
}
StringLiteralInst *createStringLiteral(StringLiteralExpr *E) {
return insert(new StringLiteralInst(E));
StringLiteralInst *createStringLiteral(StringLiteralExpr *E, SILType Ty) {
return insert(new StringLiteralInst(E, Ty));
}
LoadInst *createLoad(SILLocation Loc, SILValue LV) {
@@ -171,8 +171,8 @@ public:
CopyAddrInst *createCopyAddr(SILLocation Loc,
SILValue SrcLValue, SILValue DestLValue,
bool isTake = false,
bool isInitialize = false) {
bool isTake,
bool isInitialize) {
return insert(new CopyAddrInst(Loc, SrcLValue, DestLValue,
isTake, isInitialize));
}
@@ -228,7 +228,12 @@ public:
SILValue DestArchetypeAddr) {
return insert(new SuperToArchetypeInst(Loc, SrcBase, DestArchetypeAddr));
}
StructInst *createStruct(SILLocation Loc, SILType Ty,
ArrayRef<SILValue> Elements){
return insert(StructInst::create(Loc, Ty, Elements, F));
}
TupleInst *createTuple(SILLocation Loc, SILType Ty,
ArrayRef<SILValue> Elements){
return insert(TupleInst::create(Loc, Ty, Elements, F));