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1// RUN: %clang_cc1 -fobjc-arc -fblocks -emit-llvm %s -o - | FileCheck -check-prefix=CHECK -check-prefix=CHECK-HEAP %s2// RUN: %clang_cc1 -fobjc-arc -fblocks -fobjc-avoid-heapify-local-blocks -emit-llvm %s -o - | FileCheck -check-prefix=CHECK -check-prefix=CHECK-NOHEAP %s3 4 5typedef void (^block_t)(void);6void use_block(block_t);7void use_int(int);8 9void test0(int i) {10 block_t block = ^{ use_int(i); };11 // CHECK-LABEL: define {{.*}}void @test0(12 // CHECK-HEAP: call {{.*}}ptr @llvm.objc.retainBlock(ptr {{%.*}}) [[NUW:#[0-9]+]], !clang.arc.copy_on_escape13 // CHECK-NOHEAP-NOT: @llvm.objc.retainBlock(14 // CHECK: ret void15}16 17void test1(int i) {18 id block = ^{ use_int(i); };19 // CHECK-LABEL: define {{.*}}void @test1(20 // CHECK-HEAP: call {{.*}}ptr @llvm.objc.retainBlock(ptr {{%.*}}) [[NUW]]21 // CHECK-NOHEAP: call {{.*}}ptr @llvm.objc.retainBlock(ptr {{%.*}}) [[NUW:#[0-9]+]]22 // CHECK-NOT: !clang.arc.copy_on_escape23 // CHECK: ret void24}25 26// CHECK: attributes [[NUW]] = { nounwind }27