llvm-project/clang/test/CodeGenObjC/os_log.m

40 lines
1.5 KiB
Objective-C

// 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