Generate and cache SILFunctionTypeInfo from Swift types on the fly, and simplify the SILType representation down to a CanType and isAddress bit.
Swift SVN r5298
Remove uncurry level as a property of SILType/SILFunctionTypeInfo. During SIL type lowering, map a (Type, UncurryLevel) pair to a Swift CanType with the uncurried arguments as a Swift tuple. For example, T -> (U, V) -> W at uncurry level 1 becomes ((U, V), T) -> W--in reverse order to match the low-level calling convention. Update SILGen and IRGen all over the place for this representation change.
SILFunctionTypeInfo is still used in the SILType representation, but it's no longer load-bearing. Everything remaining in it can be derived from a Swift type.
This is an ABI break. Be sure to rebuild clean!
Swift SVN r5296
print the element types of struct.
The empty function now prints as:
sil @_T1t5emptyFT_T_ : $[thin] () -> () {
bb0:
%0 = tuple ()
%1 = tuple () // users: %2
%2 = return %1 : $()
}
Swift SVN r5267
- use interleave a bit more
- Inline printAsOperand() away.
- Introduce a "getIDAndType" method that prints both ID and type in the standard form.
Swift SVN r5266
to always prefix a printed SILType with a $. Update SILPrinter to use
this instead of manually adding $ everywhere.
The only behavioral change of this is that BB arguments now have a $ on
their type.
Swift SVN r5263
Add a TypeConverter::uncurryFunctionType method for making an uncurried AnyFunctionType given a nested AnyFunctionType and an uncurry level. Without actually wiring it into anything yet, spot-check that it does the right thing by hacking SILPrinter to print the uncurried types of SILFunctions in a comment before the sil decl.
Swift SVN r5260
We decided we're going to want to surface fine-grained representational control of functions to the user, so move AbstractCC and the calling convention attributes into the Swift type system. Like the [thin] attribute, we don't set this in the type-checker or importer at all yet, and let SILGen set the attribute where it wants it for now.
Swift SVN r5222
Split ExtractInst and ElementAddrInst into separate Tuple and Struct versions, and have the Struct versions reference struct member VarDecls directly instead of integer indices.
Swift SVN r5215
Emit thunks for [objc] class methods and properties as SILFunctions, using SILGen's OwnershipConventions. This will help kill some redundant ownership code in IRGen, and will allow msgSend thunks to handle string and block bridging. IRGen doesn't actually codegen the thunks yet; that will require teaching IRGenSILFunction how to be AbstractCC-aware, so for now, we just reemit the thunks using the old IRGen code.
Swift SVN r5168
SIL mangles function types enough that the Swift function type is unhelpful and potentially misleading, especially if we start bridging types in SILGen.
Swift SVN r5135
Make IntegerLiteral, FloatLiteral, and StringLiteral own their own copies of their values so they don't depend on the AST. Remove the now-redundant IntegerValueInst, which only existed to be a non-AST-dependent variant of IntegerLiteral.
Swift SVN r5045
Sever the last load-bearing link between SILFunction and SILConstant by naming SILFunctions with their mangled symbol names. Move the core of the mangler up to SIL, and teach SILGen how to use it to mangle a SILConstant.
Swift SVN r4964
We don't want to have to recover from a mangled name whether a function call is to an IRGen-lowered builtin, so add an instruction for referencing builtins.
Swift SVN r4919
Move AbstractCC into SILType and make it an attribute of SILTypes for functions. Add a ConvertCCInst to represent calling convention conversions. Give SILFunctions a linkage attribute. Add logic to SILGen to calculate these attributes for SILConstants based on their attached decls.
IRGen doesn't use these new attributes yet. I'll hook that up when I move mangling over.
Swift SVN r4886
Replace 'constant_ref' with 'function_ref', which references a SILFunction directly, and 'global_addr', which references a global variable VarDecl. Get rid of the SILConstant-to-SILFunction mapping in SILModule and replace it with an ilist of SILFunctions. Allow SILFunctions to be 'external' by not having any blocks in their body.
For now, SILFunctions still carry around their SILConstant "name", because name mangling and IRGen still rely on access to the original decl in order to recover IRGen information, which unfortunately leaves IRGen's CodeRefs in a gross, awkward intermediate state. Lifting mangling, AbstractCC, and other linkage attributes to SIL should clear up this up.
Swift SVN r4865
The value semantics primitives load/move/assign/init/destroy lower trivially to SIL value semantics operators, and the bridge casting operations introduce r/r semantics that should be visible to the ARC optimizer, so move the lowering for these builtins up to SILGen. Add a BUILTIN_SIL_OPERATION metaprogramming macro to Builtins.def, and add a facility similar to IRGen's former SpecializedCallEmission so we can handle builtin call emissions as special cases.
This also sets up the framework for eventually reintroducing special-case handling of known functions like &&, ||, Bool.getLogicValue, Int.convertFromIntegerLiteral, etc. in SILGen.
Swift SVN r4862
Add an IsaInst to represent type tests, and implement SILGen for IsSubtypeExpr AST nodes. Get rid of SuperIsArchetypeExpr because it's not really necessary to have it different from IsaSubtype--the SIL and IR behavior is identical.
Swift SVN r4855
Create a UnaryInstructionBase that factors all the boilerplate out of all the unary instructions. It'll be easy to generalize to all fixed-arity instructions, but let's start simple. No functionality change.
Swift SVN r4854
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
Otherwise we try to release junk pointers when we reassign class fields in the struct. Add an attribute to InitializeVarInst so that when dataflow analysis comes online, it knows that these InitializeVars need to be eliminated and can't be lowered to default constructor calls (since we're already in a constructor).
Swift SVN r4730
type, though; I had to define a WriteAsOperand function and
add a front() method to SILFunction to get this to work.
Rip out my dominators implementation and replace it with
LLVM's. I'd forgotten that LLVM's was actually generic.
Swift SVN r4717
take a const ValueBase* instead of a SILValue, implement SILArgument
cases for a few visitors and opt others out explicitly, and assert
that classes in the SIL value hierarchy override their superclass's
classof.
Swift SVN r4705
string_literal can have a two-element tuple type (with any labels) or a Builtin.RawPointer type, so print the type of the string_literal when emitting SIL.
Swift SVN r4699
On second thought, having SILConstant be able to point to a TLCD is going
against the goal of making SILConstant be a "SILGen thing". I'll find another
approach.
Swift SVN r4680
Function and compound types have a bunch of extra calling convention and uncurrying info stuffed into a "SILTypeInfo" object that until now had to be fetched through the SILModule. Change the representation of SILType to be a PointerUnion of CanType and SILTypeInfo*, and move the uncurry level onto the SILTypeInfo for functions, so that SILTypeInfo is available directly through the SILType and SILType can go back to being pointer-sized.
Swift SVN r4582
