1b1c8d83d3
Turning on `enable_noundef_analysis` flag allows better codegen by removing freeze instructions. I modified clang by renaming `enable_noundef_analysis` flag to `disable-noundef-analysis` and turning it off by default. Test updates are made as a separate patch: D108453 Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D105169
42 lines
1.1 KiB
Objective-C
42 lines
1.1 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin -x objective-c++ -fblocks -emit-llvm -o - %s | FileCheck -check-prefix=WITHOUT %s
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// RUN: %clang_cc1 -triple x86_64-apple-darwin -x objective-c++ -fblocks -emit-llvm -o - %s -fsanitize=thread | FileCheck -check-prefix=TSAN %s
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// WITHOUT-NOT: "sanitize_thread_no_checking_at_run_time"
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__attribute__((objc_root_class))
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@interface NSObject
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- (void)dealloc;
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@end
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class NeedCleanup {
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public:
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~NeedCleanup() __attribute__((no_sanitize("thread"))) {}
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};
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@interface MyObject : NSObject {
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NeedCleanup v;
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};
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+ (void) initialize;
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- (void) dealloc;
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@end
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@implementation MyObject
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+ (void)initialize {
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}
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- (void)dealloc {
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[super dealloc];
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}
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@end
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// TSAN: initialize{{.*}}) [[ATTR:#[0-9]+]]
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// TSAN: dealloc{{.*}}) [[ATTR:#[0-9]+]]
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// TSAN: cxx_destruct{{.*}}) [[ATTR:#[0-9]+]]
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void test2(id x) {
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extern void test2_helper(id (^)(void));
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test2_helper(^{ return x; });
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// TSAN: define linkonce_odr hidden void @__destroy_helper_block_8_32o(i8* noundef %0) unnamed_addr [[ATTR:#[0-9]+]]
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}
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// TSAN: attributes [[ATTR]] = { noinline nounwind {{.*}} "sanitize_thread_no_checking_at_run_time" {{.*}} }
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