forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			157 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			157 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -fblocks -emit-llvm %s -o %t
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| // RUN: FileCheck %s -input-file=%t -check-prefix=CHECK1
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| // RUN: FileCheck %s -input-file=%t -check-prefix=CHECK2
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| 
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| struct A {
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|   int a;
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|   float b;
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|   char c;
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| };
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| 
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| void test_nest_captured_stmt(int param, int size, int param_arr[size]) {
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|   int w;
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|   int arr[param][size];
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|   // CHECK1: %struct.anon{{.*}} = type { [[INT:i.+]]*, [[INT]]*, [[SIZE_TYPE:i.+]], [[INT]]**, [[INT]]*, [[SIZE_TYPE]], [[SIZE_TYPE]], [[INT]]* }
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|   // CHECK1: %struct.anon{{.*}} = type { [[INT]]*, [[INT]]*, [[INT]]**, [[INT]]*, [[SIZE_TYPE]], [[INT]]**, [[INT]]*, [[SIZE_TYPE]], [[SIZE_TYPE]], [[INT]]* }
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|   // CHECK1: [[T:%struct.anon.*]] = type { [[INT]]*, [[INT]]*, %struct.A*, [[INT]]**, [[INT]]*, [[SIZE_TYPE]], [[INT]]**, [[INT]]*, [[SIZE_TYPE]], [[SIZE_TYPE]], [[INT]]* }
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|   #pragma clang __debug captured
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|   {
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|     int x;
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|     int *y = &w;
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|     #pragma clang __debug captured
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|     {
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|       struct A z;
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|       #pragma clang __debug captured
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|       {
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|         w = x = z.a = 1;
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|         *y = param;
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|         z.b = 0.1f;
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|         z.c = 'c';
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|         param_arr[size - 1] = 2;
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|         arr[10][z.a] = 12;
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| 
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|         // CHECK1: define internal {{.*}}void @__captured_stmt{{.*}}([[T]]
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|         // CHECK1: [[PARAM_ARR_SIZE_REF:%.+]] = getelementptr inbounds [[T]], [[T]]* {{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 5
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|         // CHECK1: [[PARAM_ARR_SIZE:%.+]] = load [[SIZE_TYPE]], [[SIZE_TYPE]]* [[PARAM_ARR_SIZE_REF]]
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|         // CHECK1: [[ARR_SIZE1_REF:%.+]] = getelementptr inbounds [[T]], [[T]]* {{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 8
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|         // CHECK1: [[ARR_SIZE1:%.+]] = load [[SIZE_TYPE]], [[SIZE_TYPE]]* [[ARR_SIZE1_REF]]
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|         // CHECK1: [[ARR_SIZE2_REF:%.+]] = getelementptr inbounds [[T]], [[T]]* {{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 9
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|         // CHECK1: [[ARR_SIZE2:%.+]] = load [[SIZE_TYPE]], [[SIZE_TYPE]]* [[ARR_SIZE2_REF]]
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|         //
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|         // CHECK1: getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{[0-9]+}} 0, i{{[0-9]+}} 2
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|         // CHECK1-NEXT: load %struct.A*, %struct.A**
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|         // CHECK1-NEXT: getelementptr inbounds %struct.A, %struct.A*
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|         // CHECK1-NEXT: store i{{.+}} 1
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|         //
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|         // CHECK1: getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{[0-9]+}} 0, i{{[0-9]+}} 1
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|         // CHECK1-NEXT: load i{{[0-9]+}}*, i{{[0-9]+}}**
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|         // CHECK1-NEXT: store i{{[0-9]+}} 1
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|         //
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|         // CHECK1: getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{[0-9]+}} 0, i{{[0-9]+}} 0
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|         // CHECK1-NEXT: load i{{[0-9]+}}*, i{{[0-9]+}}**
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|         // CHECK1-NEXT: store i{{[0-9]+}} 1
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|         //
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|         // CHECK1: getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{[0-9]+}} 0, i{{[0-9]+}} 4
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|         // CHECK1-NEXT: load i{{[0-9]+}}*, i{{[0-9]+}}**
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|         // CHECK1-NEXT: load i{{[0-9]+}}, i{{[0-9]+}}*
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|         // CHECK1-NEXT: getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{[0-9]+}} 0, i{{[0-9]+}} 3
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|         // CHECK1-NEXT: load i{{[0-9]+}}**, i{{[0-9]+}}***
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|         // CHECK1-NEXT: load i{{[0-9]+}}*, i{{[0-9]+}}**
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|         // CHECK1-NEXT: store i{{[0-9]+}}
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|         //
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|         // CHECK1: getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{[0-9]+}} 0, i{{[0-9]+}} 2
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|         // CHECK1-NEXT: load %struct.A*, %struct.A**
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|         // CHECK1-NEXT: getelementptr inbounds %struct.A, %struct.A*
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|         // CHECK1-NEXT: store float
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|         //
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|         // CHECK1: getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{[0-9]+}} 0, i{{[0-9]+}} 2
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|         // CHECK1-NEXT: load %struct.A*, %struct.A**
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|         // CHECK1-NEXT: getelementptr inbounds %struct.A, %struct.A*
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|         // CHECK1-NEXT: store i8 99
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|         //
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|         // CHECK1-DAG: [[SIZE_ADDR_REF:%.*]] = getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{.+}} 0, i{{.+}} 7
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|         // CHECK1-DAG: [[SIZE_ADDR:%.*]] = load i{{.+}}*, i{{.+}}** [[SIZE_ADDR_REF]]
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|         // CHECK1-DAG: [[SIZE:%.*]] = load i{{.+}}, i{{.+}}* [[SIZE_ADDR]]
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|         // CHECK1-DAG: [[PARAM_ARR_IDX:%.*]] = sub nsw i{{.+}} [[SIZE]], 1
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|         // CHECK1-DAG: [[PARAM_ARR_ADDR_REF:%.*]] = getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{.+}} 0, i{{.+}} 6
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|         // CHECK1-DAG: [[PARAM_ARR_ADDR:%.*]] = load i{{.+}}**, i{{.+}}*** [[PARAM_ARR_ADDR_REF]]
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|         // CHECK1-DAG: [[PARAM_ARR:%.*]] = load i{{.+}}*, i{{.+}}** [[PARAM_ARR_ADDR]]
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|         // CHECK1-DAG: [[PARAM_ARR_SIZE_MINUS_1_ADDR:%.*]] = getelementptr inbounds i{{.+}}, i{{.+}}* [[PARAM_ARR]], i{{.*}}
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|         // CHECK1: store i{{.+}} 2, i{{.+}}* [[PARAM_ARR_SIZE_MINUS_1_ADDR]]
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|         //
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|         // CHECK1-DAG: [[Z_ADDR_REF:%.*]] = getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{.+}} 0, i{{.+}} 2
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|         // CHECK1-DAG: [[Z_ADDR:%.*]] = load %struct.A*, %struct.A** [[Z_ADDR_REF]]
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|         // CHECK1-DAG: [[Z_A_ADDR:%.*]] = getelementptr inbounds %struct.A, %struct.A* [[Z_ADDR]], i{{.+}} 0, i{{.+}} 0
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|         // CHECK1-DAG: [[ARR_IDX_2:%.*]] = load i{{.+}}, i{{.+}}* [[Z_A_ADDR]]
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|         // CHECK1-DAG: [[ARR_ADDR_REF:%.*]] = getelementptr inbounds [[T]], [[T]]* {{.*}}, i{{.+}} 0, i{{.+}} 10
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|         // CHECK1-DAG: [[ARR_ADDR:%.*]] = load i{{.+}}*, i{{.+}}** [[ARR_ADDR_REF]]
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|         // CHECK1-DAG: [[ARR_IDX_1:%.*]] = mul {{.*}} 10
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|         // CHECK1-DAG: [[ARR_10_ADDR:%.*]] = getelementptr inbounds i{{.+}}, i{{.+}}* [[ARR_ADDR]], i{{.*}} [[ARR_IDX_1]]
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|         // CHECK1-DAG: [[ARR_10_Z_A_ADDR:%.*]] = getelementptr inbounds i{{.+}}, i{{.+}}* [[ARR_10_ADDR]], i{{.*}}
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|         // CHECK1: store i{{.+}} 12, i{{.+}}* [[ARR_10_Z_A_ADDR]]
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|       }
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|     }
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|   }
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| }
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| 
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| void test_nest_block() {
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|   __block int x;
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|   int y;
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|   ^{
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|     int z;
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|     x = z;
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|     #pragma clang __debug captured
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|     {
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|       z = y; // OK
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|     }
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|   }();
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| 
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|   // CHECK2: define internal {{.*}}void @{{.*}}test_nest_block_block_invoke
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|   //
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|   // CHECK2: [[Z:%[0-9a-z_]*]] = alloca i{{[0-9]+}},
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|   // CHECK2: alloca %struct.anon{{.*}}
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|   //
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|   // CHECK2: store i{{[0-9]+}}
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|   // CHECK2: store i{{[0-9]+}}* [[Z]]
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|   //
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|   // CHECK2: getelementptr inbounds %struct.anon
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|   // CHECK2-NEXT: getelementptr inbounds
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|   // CHECK2-NEXT: store i{{[0-9]+}}*
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|   //
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|   // CHECK2: call void @__captured_stmt
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| 
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|   int a;
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|   #pragma clang __debug captured
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|   {
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|     __block int b;
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|     int c;
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|     __block int d;
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|     ^{
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|       b = a;
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|       b = c;
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|       b = d;
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|     }();
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|   }
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| 
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|   // CHECK2: alloca %struct.__block_byref_b
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|   // CHECK2-NEXT: [[C:%[0-9a-z_]*]] = alloca i{{[0-9]+}}
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|   // CHECK2-NEXT: alloca %struct.__block_byref_d
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|   //
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|   // CHECK2: bitcast %struct.__block_byref_b*
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|   // CHECK2-NEXT: store i8*
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|   //
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|   // CHECK2: [[CapA:%[0-9a-z_.]*]] = getelementptr inbounds {{.*}}, i{{[0-9]+}} 0, i{{[0-9]+}} 7
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|   //
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|   // CHECK2: getelementptr inbounds %struct.anon{{.*}}, i{{[0-9]+}} 0, i{{[0-9]+}} 0
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|   // CHECK2: load i{{[0-9]+}}*, i{{[0-9]+}}**
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|   // CHECK2: load i{{[0-9]+}}, i{{[0-9]+}}*
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|   // CHECK2: store i{{[0-9]+}} {{.*}}, i{{[0-9]+}}* [[CapA]]
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|   //
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|   // CHECK2: [[CapC:%[0-9a-z_.]*]] = getelementptr inbounds {{.*}}, i{{[0-9]+}} 0, i{{[0-9]+}} 8
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|   // CHECK2-NEXT: [[Val:%[0-9a-z_]*]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[C]]
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|   // CHECK2-NEXT: store i{{[0-9]+}} [[Val]], i{{[0-9]+}}* [[CapC]]
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|   //
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|   // CHECK2: bitcast %struct.__block_byref_d*
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|   // CHECK2-NEXT: store i8*
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| }
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