| 1 | // 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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| 2 | |
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| 3 | void test0(id x) { |
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| 4 | extern void test0_helper(id (^)(void)); |
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| 5 | test0_helper([=]() { return x; }); |
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| 6 | // CHECK-LABEL: define internal i8* @___Z5test0P11objc_object_block_invoke |
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| 7 | // CHECK: [[T0:%.*]] = call i8* @"_ZZ5test0P11objc_objectENK3$_0clEv" |
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| 8 | // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) |
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| 9 | // CHECK-NEXT: [[T2:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[T1]]) |
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| 10 | // CHECK-NEXT: ret i8* [[T2]] |
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| 11 | } |
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| 12 | |
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| 13 | // Check that the delegating block invoke function doesn't destruct the Weak |
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| 14 | // object that is passed. |
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| 15 | |
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| 16 | // CHECK-LABEL: define internal void @___Z8testWeakv_block_invoke( |
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| 17 | // CHECK: call void @"_ZZ8testWeakvENK3$_2clE4Weak"( |
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| 18 | // CHECK-NEXT: ret void |
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| 19 | |
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| 20 | // CHECK-LABEL: define internal void @"_ZZ8testWeakvENK3$_2clE4Weak"( |
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| 21 | // CHECK: call void @_ZN4WeakD1Ev( |
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| 22 | // CHECK-NEXT: ret void |
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| 23 | |
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| 24 | id test1_rv; |
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| 25 | |
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| 26 | void test1() { |
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| 27 | extern void test1_helper(id (*)(void)); |
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| 28 | test1_helper([](){ return test1_rv; }); |
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| 29 | // CHECK-LABEL: define internal i8* @"_ZZ5test1vEN3$_18__invokeEv" |
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| 30 | // CHECK: [[T0:%.*]] = call i8* @"_ZZ5test1vENK3$_1clEv" |
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| 31 | // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) |
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| 32 | // CHECK-NEXT: [[T2:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[T1]]) |
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| 33 | // CHECK-NEXT: ret i8* [[T2]] |
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| 34 | } |
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| 35 | |
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| 36 | struct Weak { |
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| 37 | __weak id x; |
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| 38 | }; |
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| 39 | |
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| 40 | void testWeak() { |
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| 41 | extern void testWeak_helper(void (^)(Weak)); |
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| 42 | testWeak_helper([](Weak){}); |
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| 43 | } |
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| 44 | |
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