llvm-for-llvmta/tools/clang/test/CodeGenObjC/debug-info-nodebug.m

27 lines
850 B
Objective-C

// 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