File: objc-alloc-init.m

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (54 lines) | stat: -rw-r--r-- 1,487 bytes parent folder | download | duplicates (2)
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
// RUN: %clang_cc1 %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 %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 %s -fobjc-exceptions -fexceptions -fobjc-runtime=ios-12.2 -emit-llvm -O0 -o - | FileCheck %s --check-prefix=OPTIMIZED --check-prefix=EITHER
// RUN: %clang_cc1 %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() {
  [[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
+(void)meth;
-(void)instanceMeth;
@end

@implementation Y
+(void)meth {
  [[self 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
  [[self alloc] init];
}
@end

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

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