| 1 | // RUN: %clang_cc1 -triple arm-apple-ios -emit-llvm -debug-info-kind=limited -fblocks %s -o - | FileCheck %s |
|---|
| 2 | // Objective-C code cargo-culted from debug-info-lifetime-crash.m. |
|---|
| 3 | @protocol NSObject |
|---|
| 4 | - (id)copy; |
|---|
| 5 | @end |
|---|
| 6 | @class W; |
|---|
| 7 | @interface View1 |
|---|
| 8 | @end |
|---|
| 9 | @implementation Controller { |
|---|
| 10 | void (^Block)(void); |
|---|
| 11 | } |
|---|
| 12 | - (void)View:(View1 *)View foo:(W *)W |
|---|
| 13 | { |
|---|
| 14 | // The reference from inside the block implicitly creates another |
|---|
| 15 | // local variable for the referenced member. That is what gets |
|---|
| 16 | // suppressed by the attribute. It still gets debug info as a |
|---|
| 17 | // member, though. |
|---|
| 18 | // CHECK-NOT: !DILocalVariable(name: "weakSelf" |
|---|
| 19 | // CHECK: !DIDerivedType({{.*}} name: "weakSelf" |
|---|
| 20 | // CHECK-NOT: !DILocalVariable(name: "weakSelf" |
|---|
| 21 | __attribute__((nodebug)) __typeof(self) weakSelf = self; |
|---|
| 22 | Block = [^{ |
|---|
| 23 | __typeof(self) strongSelf = weakSelf; |
|---|
| 24 | } copy]; |
|---|
| 25 | } |
|---|
| 26 | @end |
|---|
| 27 | |
|---|