| Adrian Prantl | 836e7c9 | 2013-03-14 17:53:33 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fblocks -g -emit-llvm -triple x86_64-apple-darwin -o - %s | FileCheck %s |
| 2 | // |
| 3 | // Test that debug location is generated for a captured "self" inside |
| 4 | // a block. |
| 5 | // |
| 6 | // This test is split into two parts, this one for the frontend, and |
| 7 | // then llvm/test/DebugInfo/debug-info-block-captured-self.ll to |
| 8 | // ensure that DW_AT_location is generated for the captured self. |
| 9 | @class T; |
| 10 | @interface S |
| 11 | @end |
| 12 | @interface Mode |
| 13 | -(int) count; |
| 14 | @end |
| 15 | @interface Context |
| 16 | @end |
| 17 | @interface ViewController |
| 18 | @property (nonatomic, readwrite, strong) Context *context; |
| 19 | @end |
| 20 | typedef enum { |
| 21 | Unknown = 0, |
| 22 | } State; |
| 23 | @interface Main : ViewController |
| 24 | { |
| 25 | T * t1; |
| 26 | T * t2; |
| 27 | } |
| 28 | @property(readwrite, nonatomic) State state; |
| 29 | @end |
| 30 | @implementation Main |
| 31 | - (id) initWithContext:(Context *) context |
| 32 | { |
| 33 | t1 = [self.context withBlock:^(id obj){ |
| 34 | id *mode1; |
| 35 | t2 = [mode1 withBlock:^(id object){ |
| 36 | Mode *mode2 = object; |
| 37 | if ([mode2 count] != 0) { |
| 38 | self.state = 0; |
| 39 | } |
| 40 | }]; |
| 41 | }]; |
| 42 | } |
| 43 | @end |
| 44 | // The important part of this test is that there is a dbg.value |
| 45 | // intrinsic associated with the implicit .block_descriptor argument |
| 46 | // of the block. We also test that this value gets alloca'd, so the |
| 47 | // register llocator won't accidentally kill it. |
| 48 | |
| 49 | // outer block: |
| 50 | // CHECK: define internal void {{.*}}_block_invoke{{.*}} |
| 51 | |
| 52 | // inner block: |
| 53 | // CHECK: define internal void {{.*}}_block_invoke{{.*}} |
| Adrian Prantl | 9b97adf | 2013-03-29 19:20:35 +0000 | [diff] [blame] | 54 | // CHECK: %[[MEM1:.*]] = alloca i8*, align 8 |
| 55 | // CHECK-NEXT: %[[MEM2:.*]] = alloca i8*, align 8 |
| 56 | // CHECK: store i8* [[BLOCK_DESC:%.*]], i8** %[[MEM1]], align 8 |
| 57 | // CHECK: %[[TMP0:.*]] = load i8** %[[MEM1]] |
| 58 | // CHECK: call void @llvm.dbg.value(metadata !{i8* %[[TMP0]]}, i64 0, metadata ![[BDMD:[0-9]+]]) |
| 59 | // CHECK: call void @llvm.dbg.declare(metadata !{i8* [[BLOCK_DESC]]}, metadata ![[BDMD:[0-9]+]]) |
| 60 | // CHECK: %[[TMP1:.*]] = bitcast |
| 61 | // CHECK-NEXT: store |
| Adrian Prantl | 9b97adf | 2013-03-29 19:20:35 +0000 | [diff] [blame] | 62 | // CHECK: call void @llvm.dbg.declare(metadata !{<{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>** {{.*}}}, metadata ![[SELF:.*]]) |
| 63 | // make sure we are still in the same function |
| 64 | // CHECK: define {{.*}}__copy_helper_block_ |
| 65 | // Metadata |
| 66 | // CHECK: ![[MAIN:.*]] = {{.*}}!"Main"{{.*}}DW_TAG_structure_type{{.*}}line 23 |
| 67 | // CHECK: ![[PMAIN:.*]] = {{.*}}![[MAIN]]} ; [ DW_TAG_pointer_type ]{{.*}}from Main |
| 68 | // CHECK: ![[BDMD]] = metadata {{.*}}.block_descriptor |
| 69 | // CHECK: ![[SELF]] = {{.*}}![[PMAIN]]{{.*}}[ DW_TAG_auto_variable ] [self] [line 40] |