forked from OSchip/llvm-project
29 lines
1.0 KiB
Objective-C
29 lines
1.0 KiB
Objective-C
// RUN: %clang_cc1 -fobjc-arc -fblocks -emit-llvm %s -o - | FileCheck -check-prefix=CHECK -check-prefix=CHECK-HEAP %s
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// RUN: %clang_cc1 -fobjc-arc -fblocks -fobjc-avoid-heapify-local-blocks -emit-llvm %s -o - | FileCheck -check-prefix=CHECK -check-prefix=CHECK-NOHEAP %s
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typedef void (^block_t)(void);
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void use_block(block_t);
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void use_int(int);
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// rdar://problem/10211676
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void test0(int i) {
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block_t block = ^{ use_int(i); };
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// CHECK-LABEL: define {{.*}}void @test0(
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// CHECK-HEAP: call {{.*}}i8* @llvm.objc.retainBlock(i8* {{%.*}}) [[NUW:#[0-9]+]], !clang.arc.copy_on_escape
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// CHECK-NOHEAP-NOT: @llvm.objc.retainBlock(
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// CHECK: ret void
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}
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void test1(int i) {
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id block = ^{ use_int(i); };
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// CHECK-LABEL: define {{.*}}void @test1(
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// CHECK-HEAP: call {{.*}}i8* @llvm.objc.retainBlock(i8* {{%.*}}) [[NUW]]
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// CHECK-NOHEAP: call {{.*}}i8* @llvm.objc.retainBlock(i8* {{%.*}}) [[NUW:#[0-9]+]]
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// CHECK-NOT: !clang.arc.copy_on_escape
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// CHECK: ret void
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}
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// CHECK: attributes [[NUW]] = { nounwind }
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