diff options
Diffstat (limited to 'clang/test/CodeGenObjC/os_log.m')
| -rw-r--r-- | clang/test/CodeGenObjC/os_log.m | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjC/os_log.m b/clang/test/CodeGenObjC/os_log.m new file mode 100644 index 00000000000..5d48783de47 --- /dev/null +++ b/clang/test/CodeGenObjC/os_log.m @@ -0,0 +1,39 @@ +// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -fobjc-arc -O2 | FileCheck %s + +// Make sure we emit clang.arc.use before calling objc_release as part of the +// cleanup. This way we make sure the object will not be released until the +// end of the full expression. + +// rdar://problem/24528966 + +@class NSString; +extern __attribute__((visibility("default"))) NSString *GenString(); + +// Behavior of __builtin_os_log differs between platforms, so only test on X86 +#ifdef __x86_64__ +// CHECK-LABEL: define i8* @test_builtin_os_log +void *test_builtin_os_log(void *buf) { + return __builtin_os_log_format(buf, "capabilities: %@", GenString()); + + // CHECK: store i8 2, i8* + // CHECK: [[NUM_ARGS:%.*]] = getelementptr i8, i8* {{.*}}, i64 1 + // CHECK: store i8 1, i8* [[NUM_ARGS]] + // + // CHECK: [[ARG1_DESC:%.*]] = getelementptr i8, i8* {{.*}}, i64 2 + // CHECK: store i8 64, i8* [[ARG1_DESC]] + // CHECK: [[ARG1_SIZE:%.*]] = getelementptr i8, i8* {{.*}}, i64 3 + // CHECK: store i8 8, i8* [[ARG1_SIZE]] + // CHECK: [[ARG1:%.*]] = getelementptr i8, i8* {{.*}}, i64 4 + // CHECK: [[ARG1_CAST:%.*]] = bitcast i8* [[ARG1]] to + + // CHECK: [[STRING:%.*]] = {{.*}} call {{.*}} @GenString() + // CHECK: [[STRING_CAST:%.*]] = bitcast {{.*}} [[STRING]] to + // CHECK: call {{.*}} @objc_retainAutoreleasedReturnValue(i8* [[STRING_CAST]]) + // CHECK: store {{.*}} [[STRING]], {{.*}} [[ARG1_CAST]] + + // CHECK: call void (...) @clang.arc.use({{.*}} [[STRING]]) + // CHECK: call void @objc_release(i8* [[STRING_CAST]]) + // CHECK: ret i8* +} + +#endif |
