File: objc-alloc-init.m

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (63 lines) | stat: -rw-r--r-- 1,757 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
// RUN: %clang_cc1 -no-opaque-pointers %s -fobjc-exceptions -fexceptions -fobjc-runtime=macosx-10.14.4 -emit-llvm -O0 -o - | FileCheck %s --check-prefix=OPTIMIZED --check-prefix=EITHER
// RUN: %clang_cc1 -no-opaque-pointers %s -fobjc-exceptions -fexceptions -fobjc-runtime=macosx-10.14.3 -emit-llvm -O0 -o - | FileCheck %s --check-prefix=NOT_OPTIMIZED --check-prefix=EITHER
// RUN: %clang_cc1 -no-opaque-pointers %s -fobjc-exceptions -fexceptions -fobjc-runtime=ios-12.2 -emit-llvm -O0 -o - | FileCheck %s --check-prefix=OPTIMIZED --check-prefix=EITHER
// RUN: %clang_cc1 -no-opaque-pointers %s -fobjc-exceptions -fexceptions -fobjc-runtime=ios-12.1 -emit-llvm -O0 -o - | FileCheck %s --check-prefix=NOT_OPTIMIZED --check-prefix=EITHER

@interface X
+(X *)alloc;
-(X *)init;
@end

void f(void) {
  [[X alloc] init];
  // OPTIMIZED: call i8* @objc_alloc_init(
  // NOT_OPTIMIZED: call i8* @objc_alloc(

  @try {
    [[X alloc] init];
  } @catch (X *x) {
  }
  // OPTIMIZED: invoke i8* @objc_alloc_init(
  // NOT_OPTIMIZED: invoke i8* @objc_alloc(
}

@interface Y : X
+(Class)class;
+(void)meth;
-(void)instanceMeth;
@end

@implementation Y
+(Class)class {
  return self;
}
+(void)meth {
  [[self alloc] init];
  // OPTIMIZED: call i8* @objc_alloc_init(
  // NOT_OPTIMIZED: call i8* @objc_alloc(
}
+ (void)meth2 {
  [[[self class] alloc] init];
  // OPTIMIZED: call i8* @objc_alloc_init(
  // NOT_OPTIMIZED: call i8* @objc_alloc(
}
-(void)instanceMeth {
  // EITHER-NOT: call i8* @objc_alloc
  // EITHER: call {{.*}} @objc_msgSend
  // EITHER: call {{.*}} @objc_msgSend
  [[(id)self alloc] init];
}
@end

// rdar://48247290
@interface Base
-(instancetype)init;
@end

@interface Derived : Base
@end
@implementation Derived
-(void)meth {
  [super init];
}
@end