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SIL: Remove 'ModuleInst'.

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Module values could never be used for anything, and we have SILUndef now, so when SILGen sees a ModuleExpr, we can just emit 'undef'.

Swift SVN r10548
This commit is contained in:
Joe Groff
2013-11-18 21:36:08 +00:00
parent f09950390c
commit f6b1745650
15 changed files with 4 additions and 100 deletions
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4
include/swift/SIL/SILBuilder.h
View File

@@ -594,10 +594,6 @@ public:
return insert(new (F.getModule()) ProtocolMetatypeInst(Loc, Metatype,Base));
}
ModuleInst *createModule(SILLocation Loc, SILType ModuleType) {
return insert(new (F.getModule()) ModuleInst(Loc, ModuleType));
}
StrongRetainInst *createStrongRetain(SILLocation Loc, SILValue Operand) {
return insert(new (F.getModule()) StrongRetainInst(Loc, Operand));
}

8
include/swift/SIL/SILCloner.h
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@@ -621,14 +621,6 @@ SILCloner<ImplClass>::visitProtocolMetatypeInst(ProtocolMetatypeInst *Inst) {
getOpValue(Inst->getOperand())));
}
template<typename ImplClass>
void
SILCloner<ImplClass>::visitModuleInst(ModuleInst *Inst) {
doPostProcess(Inst,
Builder.createModule(getOpLocation(Inst->getLoc()),
getOpType(Inst->getType())));
}
template<typename ImplClass>
void
SILCloner<ImplClass>::visitTupleExtractInst(TupleExtractInst *Inst) {

17
include/swift/SIL/SILInstruction.h
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@@ -1344,23 +1344,6 @@ public:
: UnaryInstructionBase(Loc, Base, Metatype) {}
};
/// ModuleInst - Represents a reference to a module as a value.
class ModuleInst : public SILInstruction {
public:
ModuleInst(SILLocation Loc, SILType ModuleType);
/// getType() is ok since this is known to only have one type.
SILType getType(unsigned i = 0) const { return ValueBase::getType(i); }
ArrayRef<Operand> getAllOperands() const { return {}; }
MutableArrayRef<Operand> getAllOperands() { return {}; }
static bool classof(const ValueBase *V) {
return V->getKind() == ValueKind::ModuleInst;
}
};
/// Extract a numbered element out of a value of tuple type.
class TupleExtractInst
: public UnaryInstructionBase<ValueKind::TupleExtractInst>

1
include/swift/SIL/SILNodes.def
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@@ -106,7 +106,6 @@ ABSTRACT_VALUE(SILInstruction, ValueBase)
INST(FloatLiteralInst, SILInstruction, None)
INST(StringLiteralInst, SILInstruction, None)
INST(BuiltinZeroInst, SILInstruction, None)
INST(ModuleInst, SILInstruction, None)
// Dynamic Dispatch
ABSTRACT_VALUE(MethodInst, SILInstruction)