| Fariborz Jahanian | 7a77f19 | 2013-01-04 23:32:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=CHECK-UNOPT %s |
| 2 | // rdar://12530881 |
| 3 | |
| 4 | void test19() { |
| 5 | __block id x; |
| Stephen Lin | 93ab6bf | 2013-08-15 06:47:53 +0000 | [diff] [blame] | 6 | // CHECK-UNOPT-LABEL: define internal void @__Block_byref_object_copy |
| Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7 | // CHECK-UNOPT: [[X:%.*]] = getelementptr inbounds [[BYREF_T:%.*]], [[BYREF_T:%.*]]* [[VAR:%.*]], i32 0, i32 6 |
| 8 | // CHECK-UNOPT: [[X2:%.*]] = getelementptr inbounds [[BYREF_T:%.*]], [[BYREF_T:%.*]]* [[VAR1:%.*]], i32 0, i32 6 |
| 9 | // CHECK-UNOPT-NEXT: [[SIX:%.*]] = load i8*, i8** [[X2]], align 8 |
| Fariborz Jahanian | ba3c9ca | 2013-01-05 00:32:13 +0000 | [diff] [blame] | 10 | // CHECK-UNOPT-NEXT: store i8* null, i8** [[X]], align 8 |
| Bill Wendling | 4e1125f | 2013-02-22 09:10:20 +0000 | [diff] [blame] | 11 | // CHECK-UNOPT-NEXT: call void @objc_storeStrong(i8** [[X]], i8* [[SIX]]) [[NUW:#[0-9]+]] |
| 12 | // CHECK-UNOPT-NEXT: call void @objc_storeStrong(i8** [[X2]], i8* null) [[NUW]] |
| Fariborz Jahanian | 7a77f19 | 2013-01-04 23:32:24 +0000 | [diff] [blame] | 13 | // CHECK-UNOPT-NEXT: ret void |
| 14 | } |
| 15 | |
| Bill Wendling | 4e1125f | 2013-02-22 09:10:20 +0000 | [diff] [blame] | 16 | // CHECK: attributes [[NUW]] = { nounwind } |