ubsan-nonnull.m
1.67 KB
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// RUN: %clang_cc1 -x objective-c -emit-llvm -triple x86_64-apple-macosx10.10.0 -fsanitize=nonnull-attribute %s -o - -w | FileCheck %s
@interface A
-(void) one_arg: (__attribute__((nonnull)) int *) arg1;
-(void) varargs: (__attribute__((nonnull)) int *) arg1, ...;
+(void) clsmethod: (__attribute__((nonnull)) int *) arg1;
@end
@implementation A
// CHECK-LABEL: define internal void @"\01-[A one_arg:]"
// CHECK-SAME: i32* nonnull
-(void) one_arg: (__attribute__((nonnull)) int *) arg1 {}
// CHECK-LABEL: define internal void @"\01-[A varargs:]"
// CHECK-SAME: i32* nonnull
-(void) varargs: (__attribute__((nonnull)) int *) arg1, ... {}
// CHECK-LABEL: define internal void @"\01+[A clsmethod:]"
// CHECK-SAME: i32* nonnull
+(void) clsmethod: (__attribute__((nonnull)) int *) arg1 {}
@end
// CHECK-LABEL: define void @call_A
void call_A(A *a, int *p) {
// CHECK: [[ICMP:%.*]] = icmp ne i32* [[P1:%.*]], null, !nosanitize
// CHECK: br i1 [[ICMP]], {{.*}}, !nosanitize
// CHECK: call void @__ubsan_handle_nonnull_arg{{.*}} !nosanitize
// CHECK: call void {{.*}} @objc_msgSend {{.*}} ({{.*}}, i32* [[P1]])
[a one_arg: p];
// CHECK: [[ICMP:%.*]] = icmp ne i32* [[P2:%.*]], null, !nosanitize
// CHECK: br i1 [[ICMP]], {{.*}}, !nosanitize
// CHECK: call void @__ubsan_handle_nonnull_arg{{.*}} !nosanitize
// CHECK: call void {{.*}} @objc_msgSend {{.*}} ({{.*}}, i32* [[P2]], {{.*}})
[a varargs: p, p];
// CHECK: [[ICMP:%.*]] = icmp ne i32* [[P3:%.*]], null, !nosanitize
// CHECK: br i1 [[ICMP]], {{.*}}, !nosanitize
// CHECK: call void @__ubsan_handle_nonnull_arg{{.*}} !nosanitize
// CHECK: call void {{.*}} @objc_msgSend {{.*}} ({{.*}}, i32* [[P3]])
[A clsmethod: p];
}