File: debug-info-nodebug.m

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (26 lines) | stat: -rw-r--r-- 850 bytes parent folder | download | duplicates (31)
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
// RUN: %clang_cc1 -triple arm-apple-ios -emit-llvm -debug-info-kind=limited -fblocks  %s -o - | FileCheck %s
// Objective-C code cargo-culted from debug-info-lifetime-crash.m.
@protocol NSObject
- (id)copy;
@end
@class W;
@interface View1
@end
@implementation Controller {
    void (^Block)(void);
}
- (void)View:(View1 *)View foo:(W *)W
{
  // The reference from inside the block implicitly creates another
  // local variable for the referenced member. That is what gets
  // suppressed by the attribute.  It still gets debug info as a
  // member, though.
  // CHECK-NOT: !DILocalVariable(name: "weakSelf"
  // CHECK:     !DIDerivedType({{.*}} name: "weakSelf"
  // CHECK-NOT: !DILocalVariable(name: "weakSelf"
  __attribute__((nodebug)) __typeof(self) weakSelf = self;
  Block = [^{
    __typeof(self) strongSelf = weakSelf;
    } copy];
}
@end