forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			127 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			3.4 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) {
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|   int w;
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|   // CHECK1: %struct.anon{{.*}} = type { i32*, i32* }
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|   // CHECK1: %struct.anon{{.*}} = type { i32*, i32*, i32**, i32* }
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|   // CHECK1: [[T:%struct.anon.*]] = type { i32*, i32*, %struct.A*, i32**, i32* }
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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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| 
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|         // CHECK1: define internal void @__captured_stmt{{.*}}([[T]]
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|         //
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|         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 2
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|         // CHECK1-NEXT: load %struct.A**
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|         // CHECK1-NEXT: getelementptr inbounds %struct.A*
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|         // CHECK1-NEXT: store i32 1
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|         //
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|         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 1
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|         // CHECK1-NEXT: load i32**
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|         // CHECK1-NEXT: store i32 1
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|         //
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|         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 0
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|         // CHECK1-NEXT: load i32**
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|         // CHECK1-NEXT: store i32 1
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|         //
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|         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 4
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|         // CHECK1-NEXT: load i32**
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|         // CHECK1-NEXT: load i32*
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|         // CHECK1-NEXT: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 3
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|         // CHECK1-NEXT: load i32***
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|         // CHECK1-NEXT: load i32**
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|         // CHECK1-NEXT: store i32
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|         //
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|         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 2
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|         // CHECK1-NEXT: load %struct.A**
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|         // CHECK1-NEXT: getelementptr inbounds %struct.A*
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|         // CHECK1-NEXT: store float
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|         //
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|         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 2
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|         // CHECK1-NEXT: load %struct.A**
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|         // CHECK1-NEXT: getelementptr inbounds %struct.A*
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|         // CHECK1-NEXT: store i8 99
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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 i32
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|   // CHECK2: alloca %struct.anon{{.*}}
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|   //
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|   // CHECK2: store i32
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|   // CHECK2: store i32* [[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 i32*
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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 i32
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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 {{.*}}, i32 0, i32 7
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|   //
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|   // CHECK2: getelementptr inbounds %struct.anon{{.*}}, i32 0, i32 0
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|   // CHECK2: load i32**
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|   // CHECK2: load i32*
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|   // CHECK2: store i32 {{.*}}, i32* [[CapA]]
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|   //
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|   // CHECK2: [[CapC:%[0-9a-z_.]*]] = getelementptr inbounds {{.*}}, i32 0, i32 8
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|   // CHECK2-NEXT: [[Val:%[0-9a-z_]*]] = load i32* [[C]]
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|   // CHECK2-NEXT: store i32 [[Val]], i32* [[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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