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5fb5df9c83
target Objective-C runtime down to the frontend: break this down into a single target runtime kind and version, and compute all the relevant information from that. This makes it relatively painless to add support for new runtimes to the compiler. Make the new -cc1 flag, -fobjc-runtime=blah-x.y.z, available at the driver level as a better and more general alternative to -fgnu-runtime and -fnext-runtime. This new concept of an Objective-C runtime also encompasses what we were previously separating out as the "Objective-C ABI", so fragile vs. non-fragile runtimes are now really modelled as different kinds of runtime, paving the way for better overall differentiation. As a sort of special case, continue to accept the -cc1 flag -fobjc-runtime-has-weak, as a sop to PLCompatibilityWeak. I won't go so far as to say "no functionality change", even ignoring the new driver flag, but subtle changes in driver semantics are almost certainly not intended. llvm-svn: 158793
44 lines
1.1 KiB
Objective-C
44 lines
1.1 KiB
Objective-C
// RUN: %clang_cc1 %s -emit-llvm -triple x86_64-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -o - | FileCheck %s
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// Bitfield references must not touch memory outside of the enclosing
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// struct. Radar 7639995
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typedef signed char BOOL;
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@protocol NSObject
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- (id)init;
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@end
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@interface NSObject <NSObject> {}
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@end
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@interface IMAVChatParticipant : NSObject {
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int _ardRole;
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int _state;
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int _avRelayStatus;
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int _chatEndedReason;
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int _chatError;
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unsigned _sendingAudio:1;
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unsigned _sendingVideo:1;
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unsigned _sendingAuxVideo:1;
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unsigned _audioMuted:1;
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unsigned _videoPaused:1;
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unsigned _networkStalled:1;
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unsigned _isInitiator:1;
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unsigned _isAOLInterop:1;
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unsigned _isRecording:1;
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unsigned _isUsingICE:1;
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}
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@end
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@implementation IMAVChatParticipant
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- (id) init {
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self = [super init];
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if ( self ) {
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BOOL blah = (BOOL)1;
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// We're expecting these three bitfield assignments will generate i8 stores.
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_sendingAudio = (BOOL)1;
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_isUsingICE = (BOOL)1;
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_isUsingICE = blah;
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// CHECK: store i8
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// CHECK: store i8
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// CHECK: store i8
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}
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return self;
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}
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@end
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