b791501e80
This reverts commit 4b939beb79e3390046b760bef71b7d891ba9b4df. This commit seems to be causing these test failures: - ThreadSanitizer-x86_64-iossim.Darwin.norace-objcxx-run-time.mm https://ci.swift.org/job/llvm.org/job/clang-san-iossim/14230/testReport/junit/ThreadSanitizer-x86_64-iossim/Darwin/norace_objcxx_run_time_mm/ - ThreadSanitizer-x86_64-iossim.Darwin.objc-synchronize-cycle-tagged.mm https://ci.swift.org/job/llvm.org/job/clang-san-iossim/14230/testReport/junit/ThreadSanitizer-x86_64-iossim/Darwin/objc_synchronize_cycle_tagged_mm/ - ThreadSanitizer-x86_64-iossim.Darwin.objc-synchronize-tagged.mm https://ci.swift.org/job/llvm.org/job/clang-san-iossim/14230/testReport/junit/ThreadSanitizer-x86_64-iossim/Darwin/objc_synchronize_tagged_mm/ - ThreadSanitizer-x86_64-iossim.Darwin.objc-synchronize.mm https://ci.swift.org/job/llvm.org/job/clang-san-iossim/14230/testReport/junit/ThreadSanitizer-x86_64-iossim/Darwin/objc_synchronize_mm/ With the error message: ``` fatal error: error in backend: Cannot select: intrinsic %llvm.objc.clang.arc.noop.use ```
21 lines
700 B
Objective-C
21 lines
700 B
Objective-C
// RUN: %clang_cc1 -fobjc-arc -emit-llvm -triple x86_64-apple-darwin -o - %s | FileCheck %s
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@interface NSMutableArray
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- (id)objectAtIndexedSubscript:(int)index;
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- (void)setObject:(id)object atIndexedSubscript:(int)index;
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@end
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id func(void) {
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NSMutableArray *array;
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array[3] = 0;
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return array[3];
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}
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// CHECK: [[call:%.*]] = call ptr @objc_msgSend
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// CHECK: [[SIX:%.*]] = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr [[call]]) [[NUW:#[0-9]+]]
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// CHECK: call void @llvm.objc.storeStrong(ptr {{%.*}}, ptr null)
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// CHECK: [[EIGHT:%.*]] = tail call ptr @llvm.objc.autoreleaseReturnValue(ptr [[SIX]]) [[NUW]]
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// CHECK: ret ptr [[EIGHT]]
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// CHECK: attributes [[NUW]] = { nounwind }
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