llvm-project/clang/test/CodeGenObjC/null-check-bool-ret.m

39 lines
828 B
Objective-C

// RUN: %clang_cc1 -triple arm64e-apple-ios15.0.0 -emit-llvm-bc -fobjc-arc -disable-llvm-passes %s -emit-llvm -o - | FileCheck %s
// rdar://73361264
@protocol NSObject
@end
@interface NSObject <NSObject>
@end
@interface WidgetTester : NSObject
@end
@implementation WidgetTester
typedef struct {
NSObject* impl;
} widget_t;
- (_Bool)withWidget:(widget_t)widget {
return 0;
}
- (_Bool)testWidget:(widget_t)widget {
return [self withWidget:widget];
}
@end
// CHECK-LABEL: msgSend.call:
// CHECK: [[CALL:%[^ ]+]] = call i1 bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to
// CHECK-NEXT: br label %msgSend.cont
// CHECK-LABEL: msgSend.null-receiver:
// CHECK: br label %msgSend.cont
// CHECK-LABEL: msgSend.cont:
// CHECK-NEXT: {{%[^ ]+}} = phi i1 [ [[CALL]], %msgSend.call ], [ false, %msgSend.null-receiver ]