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