Skip to content

Commit b79a383

Browse files
committed
Delete unused/vague apis
1 parent 7ad1a18 commit b79a383

File tree

1 file changed

+0
-40
lines changed

1 file changed

+0
-40
lines changed

include/swift/SIL/SILInstruction.h

Lines changed: 0 additions & 40 deletions
Original file line numberDiff line numberDiff line change
@@ -4315,47 +4315,7 @@ class EndBorrowInst
43154315
EndBorrowInst(SILDebugLocation debugLoc, SILValue borrowedValue)
43164316
: UnaryInstructionBase(debugLoc, borrowedValue) {}
43174317

4318-
public:
4319-
/// Return the value that this end_borrow is ending the borrow of if we are
4320-
/// borrowing a single value.
4321-
SILValue getSingleOriginalValue() const {
4322-
SILValue v = getOperand();
4323-
if (auto *bbi = dyn_cast<BeginBorrowInst>(v))
4324-
return bbi->getOperand();
4325-
if (auto *lbi = dyn_cast<LoadBorrowInst>(v))
4326-
return lbi->getOperand();
4327-
return SILValue();
4328-
}
43294318

4330-
/// Return the set of guaranteed values that have scopes ended by this
4331-
/// end_borrow.
4332-
///
4333-
/// Discussion: We can only have multiple values associated with an end_borrow
4334-
/// in the case of having Phi arguments with guaranteed inputs. This is
4335-
/// necessary to represent certain conditional operations such as:
4336-
///
4337-
/// class Klass {
4338-
/// let k1: Klass
4339-
/// let k2: Klass
4340-
/// }
4341-
///
4342-
/// func useKlass(k: Klass) { ... }
4343-
/// var boolValue : Bool { ... }
4344-
///
4345-
/// func f(k: Klass) {
4346-
/// useKlass(boolValue ? k.k1 : k.k2)
4347-
/// }
4348-
///
4349-
/// Today, when we SILGen such code, we copy k.k1 and k.k2 before the Phi when
4350-
/// it could potentially be avoided. So today this just appends
4351-
/// getSingleOriginalValue() to originalValues.
4352-
///
4353-
/// TODO: Once this changes, this code must be update.
4354-
void getOriginalValues(SmallVectorImpl<SILValue> &originalValues) const {
4355-
SILValue value = getSingleOriginalValue();
4356-
assert(value && "Guaranteed phi arguments are not supported now");
4357-
originalValues.emplace_back(value);
4358-
}
43594319
};
43604320

43614321
/// Different kinds of access.

0 commit comments

Comments
 (0)