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llvm-project/clang/test/CodeGenObjCXX
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Akira Hatanaka fcbe17c6be [ObjC++] Make parameter passing and function return compatible with ObjC 
ObjC and ObjC++ pass non-trivial structs in a way that is incompatible
with each other. For example:
    
typedef struct {
  id f0;
  __weak id f1;
} S;
    
// this code is compiled in c++.
extern "C" {
  void foo(S s);
}
    
void caller() {
  // the caller passes the parameter indirectly and destructs it.
  foo(S());
}
    
// this function is compiled in c.
// 'a' is passed directly and is destructed in the callee.
void foo(S a) {
}
    
This patch fixes the incompatibility by passing and returning structs
with __strong or weak fields using the C ABI in C++ mode. __strong and
__weak fields in a struct do not cause the struct to be destructed in
the caller and __strong fields do not cause the struct to be passed
indirectly.
    
Also, this patch fixes the microsoft ABI bug mentioned here:
    
https://reviews.llvm.org/D41039?id=128767#inline-364710
    
rdar://problem/38887866
    
Differential Revision: https://reviews.llvm.org/D44908

llvm-svn: 328731
 		2018-03-28 21:13:14 +00:00
..
Inputs
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2007-10-03-MetadataPointers.mm
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2010-08-04-Template.mm
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2010-08-06-X.Y-syntax.mm
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address-safety-attr.mm
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arc-attrs-abi.mm Represent pass_object_size attrs in ExtParameterInfo 2017-02-24 02:49:47 +00:00
arc-attrs.mm Forward ns_consumed delegate arguments with a move. 2016-11-18 01:08:24 +00:00
arc-blocks.mm [test] Make Lit tests C++11 Compatible - Objective-C++ 2017-02-13 23:09:56 +00:00
arc-constexpr.mm [CodeGen][ObjC] Do not call objc_storeStrong when initializing a 2016-10-18 19:05:41 +00:00
arc-cxx11-init-list.mm CodeGen: try harder to make the CFString structure RW 2016-07-29 19:15:51 +00:00
arc-cxx11-member-init.mm
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arc-exceptions.mm Change memcpy/memove/memset to have dest and source alignment attributes (Step 1). 2018-01-19 17:12:54 +00:00
arc-forwarded-lambda-call.mm In an ARC lambda-to-block conversion thunk, reclaim the return value of 2017-12-14 18:21:14 +00:00
arc-globals.mm Make '-disable-llvm-optzns' an alias for '-disable-llvm-passes'. 2016-12-23 00:23:01 +00:00
arc-indirect.mm test: fix test for release builds 2017-06-27 18:57:50 +00:00
arc-mangle.mm Mangle __unaligned in Itanium ABI 2017-06-02 07:14:34 +00:00
arc-marker-funclet.mm [CodeGen] Add funclet token to ARC marker 2018-03-19 19:34:39 +00:00
arc-move.mm Update for lifetime intrinsic signature change 2017-04-10 20:18:45 +00:00
arc-new-delete.mm Make '-disable-llvm-optzns' an alias for '-disable-llvm-passes'. 2016-12-23 00:23:01 +00:00
arc-pseudo-destructors.mm
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arc-references.mm [ObjC] Fix lifetime markers of loop variable in EmitObjCForCollectionStmt [take 2] 2017-04-14 16:53:25 +00:00
arc-returns-inner-reference-ptr.mm
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arc-special-member-functions.mm [ObjC++] Make parameter passing and function return compatible with ObjC 2018-03-28 21:13:14 +00:00
arc-weak.mm Correctly handle type mismatches in the __weak copy/move-initialization 2015-11-16 22:11:41 +00:00
arc.mm Update for lifetime intrinsic signature change 2017-04-10 20:18:45 +00:00
auto-release-result-assert.mm [CodeGen] Fix an assert in CodeGenFunction::EmitFunctionEpilog 2016-02-17 21:09:50 +00:00
block-default-arg.mm [CodeGenObjCXX] Don't rematerialize default arguments of function 2016-05-02 21:52:57 +00:00
block-id.mm
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block-in-template-inst.mm
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block-nested-in-lambda.cpp [CodeGenObjCXX] Fix handling of blocks in lambda. 2016-05-04 18:40:33 +00:00
block-var-layout.mm Fix and stylize the emission of GC/ARC ivar and GC block layout strings. 2015-10-21 18:06:47 +00:00
blocks.mm Reapply "[CodeGen] Fix assignments of inline layouts into the byref structure" 2015-12-21 20:21:15 +00:00
boxing.mm ObjCBoxedExpr can't be evaluated by the constant expression evaluator. 2017-04-29 00:07:27 +00:00
catch-id-type.mm
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copy.mm Replace Sema-level implementation of -fassume-sane-operator-new with a 2016-04-07 21:46:12 +00:00
copyable-property-object.mm
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debug-info-block-capture-this.mm DebugInfo: Adapt to loss of DITypeRef in LLVM r267296 2016-04-23 21:08:27 +00:00
debug-info-cyclic.mm DebugInfo: pass alignment value only if it was forced 2016-10-20 00:13:19 +00:00
debug-info-line.mm test: repair windows build after SVN r327105 2018-03-09 23:00:29 +00:00
debug-info.mm Stop messing with the 'g' group of options in CompilerInvocation. 2015-10-08 04:24:12 +00:00
designated-initializers.mm [test] Follow-up for r243343, also add a test case using an enum for designated enum. 2015-07-28 00:01:13 +00:00
destroy.mm Make '-disable-llvm-optzns' an alias for '-disable-llvm-passes'. 2016-12-23 00:23:01 +00:00
encode.mm [test] Make Lit tests C++11 Compatible - Objective-C++ 2017-02-13 23:09:56 +00:00
exception-cxx.mm [test] Specify exception object type in two tests 2015-09-11 17:39:34 +00:00
exceptions-legacy.mm Update clang unittests for rL281586. 2016-09-15 06:31:30 +00:00
exceptions.mm
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externally-initialized-selectors.mm
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foreach-statement.mm
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gc.mm
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implementation-in-extern-c.mm
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implicit-copy-assign-operator.mm
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implicit-copy-constructor.mm Remove custom handling of array copies in lambda by-value array capture and 2016-12-14 00:03:17 +00:00
ivar-objects.mm
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lambda-expressions.mm [CodeGen][ObjC] Use the type of the captured field of the enclosing 2017-02-14 06:46:55 +00:00
lambda-to-block.mm Fix lambda to block conversion in C++17 by avoiding copy elision for the 2017-04-06 12:53:43 +00:00
literals.mm Update for lifetime intrinsic signature change 2017-04-10 20:18:45 +00:00
lvalue-reference-getter.mm
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mangle-blocks.mm Fix off-by-one error in block mangling. 2017-09-07 05:41:24 +00:00
mangle.mm Fix mangled name of method with ns_consumed parameters. 2016-05-25 14:15:08 +00:00
message-reference.mm
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message.mm
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method-local-extern-mangle.mm
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microsoft-abi-arc-param-order.mm [MS] Don't escape MS C++ names with \01 2018-03-16 20:36:49 +00:00
mrc-weak.mm Don't actually add the __unsafe_unretained qualifier in MRC; 2015-11-19 02:28:03 +00:00
msabi-objc-extensions.mm [MS] Don't escape MS C++ names with \01 2018-03-16 20:36:49 +00:00
msabi-objc-types.mm [MS] Don't escape MS C++ names with \01 2018-03-16 20:36:49 +00:00
msabi-stret.mm CodeGenObjCXX: handle inalloca appropriately for msgSend variant 2018-02-28 20:16:12 +00:00
nested-ehlocation.mm Stop messing with the 'g' group of options in CompilerInvocation. 2015-10-08 04:24:12 +00:00
nrvo.mm
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objc-container-subscripting-1.mm
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objc-container-subscripting.mm
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objc-struct-cxx-abi.mm [ObjC++] Make parameter passing and function return compatible with ObjC 2018-03-28 21:13:14 +00:00
objc-weak.mm [Objective-C] C++ Classes with __weak Members non-POD Types when using -fobjc-weak 2017-03-29 17:31:42 +00:00
objfw-exceptions.mm [ObjC++] Use the correct EH personality in GNU mode 2017-04-01 17:59:01 +00:00
personality-abuse.mm Fix broken tests from no-jump-table commit 2016-04-05 18:59:37 +00:00
personality.mm CodeGen: simplify and validate exception personalities 2018-03-09 07:06:42 +00:00
pr14474-gline-tables-only.mm Stop messing with the 'g' group of options in CompilerInvocation. 2015-10-08 04:24:12 +00:00
property-derived-to-base-conv.mm
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property-dot-copy-elision.mm [ObjC++] Make parameter passing and function return compatible with ObjC 2018-03-28 21:13:14 +00:00
property-dot-copy.mm
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property-dot-reference.mm
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property-lvalue-capture.mm Compute and preserve alignment more faithfully in IR-generation. 2015-09-08 08:05:57 +00:00
property-object-conditional-exp.mm Compute and preserve alignment more faithfully in IR-generation. 2015-09-08 08:05:57 +00:00
property-object-reference-1.mm
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property-object-reference-2.mm Re-commit r282556, reverted in r282564, with a fix to CallArgList::addFrom to 2016-09-28 19:09:10 +00:00
property-object-reference.mm
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property-objects.mm [CodeGen] Ignore OpaqueValueExprs that are unique references to their 2018-03-20 01:47:58 +00:00
property-reference.mm
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refence-assign-write-barrier.mm
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references.mm
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return.mm Add -f[no-]strict-return flag that can be used to avoid undefined behaviour 2017-01-04 13:40:34 +00:00
rtti.mm
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selector-expr-lvalue.mm Let selector-expr-lvalue.mm actually test something. 2015-09-11 21:24:40 +00:00
subst-sel.mm
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unknown-anytype.mm
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write-barrier-global-assign.mm
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