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// RUN: %clang_cc1 -fblocks -g -emit-llvm -triple x86_64-apple-darwin -o - %s | FileCheck %s
//
// Test that debug location is generated for a captured "self" inside
// a block.
//
// This test is split into two parts, this one for the frontend, and
// then llvm/test/DebugInfo/debug-info-block-captured-self.ll to
// ensure that DW_AT_location is generated for the captured self.
@class T;
@interface S
@end
@interface Mode
-(int) count;
@end
@interface Context
@end
@interface ViewController
@property (nonatomic, readwrite, strong) Context *context;
@end
typedef enum {
Unknown = 0,
} State;
@interface Main : ViewController
{
T * t1;
T * t2;
}
@property(readwrite, nonatomic) State state;
@end
@implementation Main
- (id) initWithContext:(Context *) context
{
t1 = [self.context withBlock:^(id obj){
id *mode1;
t2 = [mode1 withBlock:^(id object){
Mode *mode2 = object;
if ([mode2 count] != 0) {
self.state = 0;
}
}];
}];
}
@end
// The important part of this test is that there is a dbg.value
// intrinsic associated with the implicit .block_descriptor argument
// of the block. We also test that this value gets alloca'd, so the
// register llocator won't accidentally kill it.
// outer block:
// CHECK: define internal void {{.*}}_block_invoke{{.*}}
// inner block:
// CHECK: define internal void {{.*}}_block_invoke{{.*}}
// CHECK: %[[MEM1:.*]] = alloca i8*, align 8
// CHECK-NEXT: %[[MEM2:.*]] = alloca i8*, align 8
// CHECK: store i8* [[BLOCK_DESC:%.*]], i8** %[[MEM1]], align 8
// CHECK: %[[TMP0:.*]] = load i8** %[[MEM1]]
// CHECK: call void @llvm.dbg.value(metadata i8* %[[TMP0]], i64 0, metadata ![[BDMD:[0-9]+]], metadata !{{.*}})
// CHECK: call void @llvm.dbg.declare(metadata i8* [[BLOCK_DESC]], metadata ![[BDMD:[0-9]+]], metadata !{{.*}})
// CHECK: %[[TMP1:.*]] = bitcast
// CHECK-NEXT: store
// CHECK: call void @llvm.dbg.declare(metadata <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>** {{[^,]*}}, metadata ![[SELF:.*]], metadata !{{.*}})
// make sure we are still in the same function
// CHECK: define {{.*}}__copy_helper_block_
// Metadata
// CHECK: ![[MAIN:.*]] = !{!"0x13\00Main\0023\00{{.*}}", {{.*}} ; [ DW_TAG_structure_type ] [Main] [line 23,
// CHECK: ![[PMAIN:.*]] = {{.*}}![[MAIN]]} ; [ DW_TAG_pointer_type ]{{.*}}from Main
// CHECK: ![[BDMD]] = {{.*}}.block_descriptor
// CHECK: ![[SELF]] = {{.*}}![[PMAIN]]{{.*}}[ DW_TAG_auto_variable ] [self] [line 40]
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