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44 lines
1.6 KiB
44 lines
1.6 KiB
4 months ago
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.12.0 -emit-llvm -disable-llvm-passes -O3 -fblocks -fobjc-arc -fobjc-runtime-has-weak -std=c++11 -o - %s | FileCheck %s
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void test0(id x) {
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extern void test0_helper(id (^)(void));
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test0_helper([=]() { return x; });
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// CHECK-LABEL: define internal i8* @___Z5test0P11objc_object_block_invoke
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// CHECK: [[T0:%.*]] = call i8* @"_ZZ5test0P11objc_objectENK3$_0clEv"
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// CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]])
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// CHECK-NEXT: [[T2:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[T1]])
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// CHECK-NEXT: ret i8* [[T2]]
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}
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// Check that the delegating block invoke function doesn't destruct the Weak
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// object that is passed.
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// CHECK-LABEL: define internal void @___Z8testWeakv_block_invoke(
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// CHECK: call void @"_ZZ8testWeakvENK3$_2clE4Weak"(
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// CHECK-NEXT: ret void
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// CHECK-LABEL: define internal void @"_ZZ8testWeakvENK3$_2clE4Weak"(
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// CHECK: call void @_ZN4WeakD1Ev(
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// CHECK-NEXT: ret void
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id test1_rv;
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void test1() {
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extern void test1_helper(id (*)(void));
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test1_helper([](){ return test1_rv; });
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// CHECK-LABEL: define internal i8* @"_ZZ5test1vEN3$_18__invokeEv"
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// CHECK: [[T0:%.*]] = call i8* @"_ZZ5test1vENK3$_1clEv"
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// CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]])
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// CHECK-NEXT: [[T2:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[T1]])
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// CHECK-NEXT: ret i8* [[T2]]
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}
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struct Weak {
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__weak id x;
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};
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void testWeak() {
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extern void testWeak_helper(void (^)(Weak));
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testWeak_helper([](Weak){});
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}
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