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Merge remote-tracking branch 'origin/master' into master-next

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swift-ci
2018-06-29 18:09:14 -07:00
parent 4d15dc1dad 8fec0258f6
commit b739b4a189
19 changed files with 207 additions and 77 deletions
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5
include/swift/SIL/MemAccessUtils.h
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@@ -357,7 +357,8 @@ AccessedStorage findAccessedStorage(SILValue sourceAddr);
/// through any Nested access to find the original storage.
///
/// This is identical to findAccessedStorage(), but never returns Nested
/// storage.
/// storage and may return invalid storage for nested access when the outer
/// access has Unsafe enforcement.
AccessedStorage findAccessedStorageNonNested(SILValue sourceAddr);
/// Return true if the given address operand is used by a memory operation that
@@ -368,6 +369,8 @@ bool memInstMustInitialize(Operand *memOper);
/// Return true if the given address producer may be the source of a formal
/// access (a read or write of a potentially aliased, user visible variable).
///
/// `storage` must be a valid AccessedStorage object.
///
/// If this returns false, then the address can be safely accessed without
/// a begin_access marker. To determine whether to emit begin_access:
/// storage = findAccessedStorage(address)