Akira Hatanaka 8e57b07f66 Distinguish `__block` variables that are captured by escaping blocks ... from those that aren't. This patch changes the way __block variables that aren't captured by escaping blocks are handled: - Since non-escaping blocks on the stack never get copied to the heap (see https://reviews.llvm.org/D49303), Sema shouldn't error out when the type of a non-escaping __block variable doesn't have an accessible copy constructor. - IRGen doesn't have to use the specialized byref structure (see https://clang.llvm.org/docs/Block-ABI-Apple.html#id8) for a non-escaping __block variable anymore. Instead IRGen can emit the variable as a normal variable and copy the reference to the block literal. Byref copy/dispose helpers aren't needed either. This reapplies r343518 after fixing a use-after-free bug in function Sema::ActOnBlockStmtExpr where the BlockScopeInfo was dereferenced after it was popped and deleted. rdar://problem/39352313 Differential Revision: https://reviews.llvm.org/D51564 llvm-svn: 343542		2018-10-01 21:51:28 +00:00
..
Inputs	[Sema][ObjC] Look for either objc_bridge or objc_bridge_mutable when	2017-10-24 23:38:14 +00:00
NSString-type.mm	…
abstract-class-type-ivar.mm	…
arc-0x.mm	…
arc-bool-conversion.mm	…
arc-bridged-cast.mm	[Sema][ObjC] Check whether a variable has a definition, rather than	2017-04-11 22:01:33 +00:00
arc-libstdcxx.mm	…
arc-memfunc.mm	…
arc-nsconsumed-errors.mm	…
arc-objc-lifetime.mm	…
arc-overloading.mm	Reusing an existing attribute diagnostic	2017-05-03 14:05:00 +00:00
arc-ppe.mm	…
arc-ptr-comparison.mm	[ARC][ObjC++] Use ObjC semantic rules for comparisons between a pointer and	2017-03-30 13:48:33 +00:00
arc-system-header.mm	…
arc-templates.mm	…
arc-type-conversion.mm	…
arc-type-traits.mm	…
arc-unavailable-for-weakref.mm	[Objective-C] Fix "weak-unavailable" warning with -fobjc-weak	2017-03-29 18:09:02 +00:00
arc-unbridged-cast.mm	…
argument-dependent-lookup.mm	…
attr-trivial-abi.mm	[Sema] Produce diagnostics for attribute 'trivial_abi' that appears	2018-06-19 05:04:44 +00:00
base-type-as-written.mm	…
block-cleanup.mm	Re-commit r321223, which adds a printing policy to the ASTDumper.	2017-12-21 21:42:42 +00:00
block-for-lambda-conversion.mm	…
block-variable-move.mm	[ObjC++] Don't warn about pessimizing move for __block variables	2017-11-07 21:40:11 +00:00
blocks.mm	Distinguish `__block` variables that are captured by escaping blocks	2018-10-01 21:51:28 +00:00
boxing-illegal-types.mm	…
capturing-flexible-array-in-block.mm	…
category-lookup.mm	…
class-templ-error-null-init.mm	[Sema] Relax a failing assert in TemplateArgumentLoc	2018-07-31 00:18:30 +00:00
composite-objc-pointertype.mm	…
conditional-expr.mm	…
const-cast.mm	…
contextual-convert-to-id.mm	…
conversion-ranking.mm	…
conversion-to-objc-pointer-2.mm	…
conversion-to-objc-pointer.mm	…
crash.mm	…
cstyle-block-pointer-cast.mm	…
cstyle-cast.mm	…
cxx1y-lambda.mm	…
cxxoperator-selector.mm	…
debugger-cast-result-to-id.mm	…
debugger-support.mm	…
decltype.mm	…
deduction.mm	…
delay-parsing-cfunctions.mm	…
delay-parsing-cplusfuncs.mm	…
delay-parsing-func-tryblock.mm	…
dllexport.mm	…
dllimport.mm	…
exceptions-fragile.mm	…
exceptions.mm	…
expr-objcxx.mm	…
flexible-array.mm	[Sema] Add support for flexible array members in Obj-C.	2017-10-23 22:01:41 +00:00
foreach-block.mm	…
foreach.mm	[cxx2a] P0614R1: Support init-statements in range-based for loops.	2018-09-28 18:44:09 +00:00
format-strings.mm	…
fragile-abi-object-assign.m	…
function-pointer-void-star.mm	…
gc-attributes.mm	…
goto.mm	…
instancetype.mm	…
instantiate-expr.mm	…
instantiate-message.mm	…
instantiate-method-return.mm	[Sema][ObjC] Ensure that the return type of an ObjC method is a complete	2018-04-12 06:01:41 +00:00
instantiate-property-access.mm	…
instantiate-stmt.mm	…
interface-return-type.mm	Fix errored return value in CheckFunctionReturnType and add a fixit hint	2017-05-10 20:03:16 +00:00
is-base-of.mm	[Sema] Objective-C++ support for type trait __is_base_of	2017-05-10 17:18:56 +00:00
ivar-construct.mm	…
ivar-lookup.mm	…
ivar-reference-type.mm	…
ivar-struct.mm	…
linkage-spec.mm	…
lit.local.cfg	…
literals.mm	…
message.mm	…
microsoft-abi-byval.mm	…
missing-lhs-gun-extension.mm	…
namespace-lookup.mm	…
noescape.mm	Distinguish `__block` variables that are captured by escaping blocks	2018-10-01 21:51:28 +00:00
null_objc_pointer.mm	…
nullability-completeness-cferror.mm	[Sema][ObjC] Look for either objc_bridge or objc_bridge_mutable when	2017-10-24 23:38:14 +00:00
nullability-consistency-arrays.mm	…
nullability-consistency.mm	…
nullability-pragmas.mm	…
nullptr.mm	…
objc-boxed-expressions-nsvalue.mm	…
objc-container-subscripting.mm	…
objc-decls-inside-namespace.mm	…
objc-extern-c.mm	…
objc-pointer-conv.mm	…
objc-weak-type-traits.mm	…
objc-weak.mm	[Objective-C] Miscellaneous -fobjc-weak Fixes	2017-03-29 18:16:38 +00:00
objc2-merge-gc-attribue-decl.mm	…
objcbridge-attribute-arc.mm	…
objcbridge-attribute.mm	…
objcbridge-related-attribute.mm	…
objcbridge-static-cast.mm	…
old-style-cast.mm	…
overload-gc.mm	…
overload.mm	[ObjC++] Conversions from specialized to non-specialized Objective-C generic	2017-04-06 13:06:34 +00:00
parameterized_classes.mm	…
parameterized_classes_arc.mm	…
parameterized_classes_subst.mm	Improve diagnostics and error recovery for template name lookup.	2018-05-11 02:43:08 +00:00
parameters.mm	…
pointer-to-objc-pointer-conv.mm	…
pr32725.mm	Sema: protect against ObjC++ typo-correction failure	2017-04-20 22:23:10 +00:00
propert-dot-error.mm	…
properties.mm	…
property-invalid-type.mm	…
property-reference.mm	…
property-synthesis-error.mm	…
property-type-mismatch.mm	…
protocol-lookup.mm	…
pseudo-destructor.mm	…
references.mm	…
reinterpret-cast-objc-pointertype.mm	…
related-result-type-inference.mm	…
reserved-keyword-methods.mm	…
sel-address.mm	…
standard-conversion-to-bool.mm	…
static-cast.mm	…
synchronized.mm	…
typeloc-data-alignment.mm	…
typo-correction.mm	Typo correct the condition of 'do-while' before exiting its scope	2017-10-30 22:55:11 +00:00
unknown-anytype.mm	…
vararg-non-pod.mm	…
vla.mm	…
void_to_obj.mm	…
warn-missing-super.mm	…
warn-objc-literal-conversion.mm	…
warn-strict-selector-match.mm	…
warn-thread-safety-analysis.mm	Thread safety analysis: Handle ObjCIvarRefExpr in SExprBuilder::translate	2018-09-19 23:57:38 +00:00