| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-arc -fblocks -std=c++1y -emit-pch %s -o %t |
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| 2 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-arc -fblocks -std=c++1y -include-pch %t -emit-llvm -o - %s | FileCheck %s |
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| 3 | |
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| 4 | #ifndef HEADER_INCLUDED |
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| 5 | #define HEADER_INCLUDED |
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| 6 | |
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| 7 | namespace test_block_retain { |
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| 8 | typedef void (^BlockTy)(); |
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| 9 | void foo1(id); |
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| 10 | |
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| 11 | inline void initialization(id a) { |
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| 12 | // Call to @llvm.objc.retainBlock isn't needed. |
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| 13 | BlockTy b0 = ^{ foo1(a); }; |
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| 14 | b0(); |
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| 15 | } |
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| 16 | |
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| 17 | inline void assignmentConditional(id a, bool c) { |
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| 18 | BlockTy b0; |
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| 19 | if (c) |
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| 20 | // @llvm.objc.retainBlock is called since 'b0' is declared in the outer scope. |
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| 21 | b0 = ^{ foo1(a); }; |
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| 22 | b0(); |
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| 23 | } |
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| 24 | } |
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| 25 | |
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| 26 | #else |
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| 27 | |
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| 28 | // CHECK: %[[STRUCT_BLOCK_DESCRIPTOR:.*]] = type { i64, i64 } |
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| 29 | |
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| 30 | namespace test_block_retain { |
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| 31 | // CHECK-LABEL: define linkonce_odr void @_ZN17test_block_retain14initializationEP11objc_object( |
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| 32 | // CHECK-NOT: call i8* @llvm.objc.retainBlock( |
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| 33 | |
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| 34 | void test_initialization(id a) { |
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| 35 | initialization(a); |
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| 36 | } |
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| 37 | |
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| 38 | // CHECK-LABEL: define void @_ZN17test_block_retain26test_assignmentConditionalEP11objc_objectb( |
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| 39 | // CHECK: %[[BLOCK:.*]] = alloca <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, i8* }>, align 8 |
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| 40 | // CHECK: %[[V4:.*]] = bitcast <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, i8* }>* %[[BLOCK]] to void ()* |
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| 41 | // CHECK: %[[V5:.*]] = bitcast void ()* %[[V4]] to i8* |
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| 42 | // CHECK: call i8* @llvm.objc.retainBlock(i8* %[[V5]]) |
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| 43 | |
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| 44 | void test_assignmentConditional(id a, bool c) { |
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| 45 | assignmentConditional(a, c); |
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| 46 | } |
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| 47 | } |
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| 48 | |
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| 49 | #endif |
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| 50 | |
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