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Remove std::enable_if magic from UnaryInstructionBase. The current

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production Clang can't handle it. 


Swift SVN r4866
This commit is contained in:
Doug Gregor
2013-04-24 04:46:14 +00:00
parent bcb49ce450
commit 80cfdf7e39
1 changed files with 6 additions and 15 deletions
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21
include/swift/SIL/SILInstruction.h
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@@ -120,32 +120,23 @@ template<ValueKind KIND, typename BASE = SILInstruction, bool HAS_RESULT = true>
class UnaryInstructionBase : public BASE {
FixedOperandList<1> Operands;
/// Check HAS_RESULT in enable_if predicates by injecting a dependency on
/// a template argument.
template<typename X>
static constexpr bool has_result() { return HAS_RESULT; }
public:
public:
UnaryInstructionBase(SILLocation Loc, SILValue Operand)
: BASE(KIND, Loc), Operands(this, Operand) {}
template<typename X = void>
UnaryInstructionBase(SILLocation Loc, SILValue Operand,
typename std::enable_if<has_result<X>(), SILType>::type Ty)
UnaryInstructionBase(SILLocation Loc, SILValue Operand, SILType Ty)
: BASE(KIND, Loc, Ty), Operands(this, Operand) {}
template<typename X = void, typename...A>
UnaryInstructionBase(SILLocation Loc, SILValue Operand,
typename std::enable_if<has_result<X>(), SILType>::type Ty,
A &&...args)
template<typename...A>
UnaryInstructionBase(SILLocation Loc, SILValue Operand, SILType Ty,
A &&...args)
: BASE(KIND, Loc, Ty, std::forward<A>(args)...), Operands(this, Operand) {}
SILValue getOperand() const { return Operands[0].get(); }
/// getType() is ok if this is known to only have one type.
template<typename X = void>
typename std::enable_if<has_result<X>(), SILType>::type
getType(unsigned i = 0) const { return ValueBase::getType(i); }
SILType getType(unsigned i = 0) const { return ValueBase::getType(i); }
ArrayRef<Operand> getAllOperands() const { return Operands.asArray(); }