Ben Langmuir | 524387a | 2013-05-09 19:17:11 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fblocks -emit-llvm %s -o %t |
| 2 | // RUN: FileCheck %s -input-file=%t -check-prefix=CHECK1 |
| 3 | // RUN: FileCheck %s -input-file=%t -check-prefix=CHECK2 |
| 4 | |
| 5 | struct A { |
| 6 | int a; |
| 7 | float b; |
| 8 | char c; |
| 9 | }; |
| 10 | |
| 11 | void test_nest_captured_stmt(int param) { |
| 12 | int w; |
| 13 | // CHECK1: %struct.anon{{.*}} = type { i32*, i32* } |
| 14 | // CHECK1: %struct.anon{{.*}} = type { i32*, i32*, i32**, i32* } |
| 15 | // CHECK1: [[T:%struct.anon.*]] = type { i32*, i32*, %struct.A*, i32**, i32* } |
| 16 | #pragma clang __debug captured |
| 17 | { |
| 18 | int x; |
| 19 | int *y = &w; |
| 20 | #pragma clang __debug captured |
| 21 | { |
| 22 | struct A z; |
| 23 | #pragma clang __debug captured |
| 24 | { |
| 25 | w = x = z.a = 1; |
| 26 | *y = param; |
| 27 | z.b = 0.1f; |
| 28 | z.c = 'c'; |
| 29 | |
| 30 | // CHECK1: define internal void @__captured_stmt{{.*}}([[T]] |
| 31 | // |
| 32 | // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 2 |
| 33 | // CHECK1-NEXT: load %struct.A** |
| 34 | // CHECK1-NEXT: getelementptr inbounds %struct.A* |
| 35 | // CHECK1-NEXT: store i32 1 |
| 36 | // |
| 37 | // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 1 |
| 38 | // CHECK1-NEXT: load i32** |
| 39 | // CHECK1-NEXT: store i32 1 |
| 40 | // |
| 41 | // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 0 |
| 42 | // CHECK1-NEXT: load i32** |
| 43 | // CHECK1-NEXT: store i32 1 |
| 44 | // |
| 45 | // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 4 |
| 46 | // CHECK1-NEXT: load i32** |
| 47 | // CHECK1-NEXT: load i32* |
| 48 | // CHECK1-NEXT: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 3 |
| 49 | // CHECK1-NEXT: load i32*** |
| 50 | // CHECK1-NEXT: load i32** |
| 51 | // CHECK1-NEXT: store i32 |
| 52 | // |
| 53 | // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 2 |
| 54 | // CHECK1-NEXT: load %struct.A** |
| 55 | // CHECK1-NEXT: getelementptr inbounds %struct.A* |
| 56 | // CHECK1-NEXT: store float |
| 57 | // |
| 58 | // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 2 |
| 59 | // CHECK1-NEXT: load %struct.A** |
| 60 | // CHECK1-NEXT: getelementptr inbounds %struct.A* |
| 61 | // CHECK1-NEXT: store i8 99 |
| 62 | } |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | void test_nest_block() { |
| 68 | __block int x; |
| 69 | int y; |
| 70 | ^{ |
| 71 | int z; |
| 72 | x = z; |
| 73 | #pragma clang __debug captured |
| 74 | { |
| 75 | z = y; // OK |
| 76 | } |
| 77 | }(); |
| 78 | |
| 79 | // CHECK2: define internal void @{{.*}}test_nest_block_block_invoke |
| 80 | // |
| 81 | // CHECK2: [[Z:%[0-9a-z_]*]] = alloca i32 |
| 82 | // CHECK2: alloca %struct.anon{{.*}} |
| 83 | // |
| 84 | // CHECK2: store i32 |
| 85 | // CHECK2: store i32* [[Z]] |
| 86 | // |
| 87 | // CHECK2: getelementptr inbounds %struct.anon |
| 88 | // CHECK2-NEXT: getelementptr inbounds |
| 89 | // CHECK2-NEXT: store i32* |
| 90 | // |
| 91 | // CHECK2: call void @__captured_stmt |
| 92 | |
| 93 | int a; |
| 94 | #pragma clang __debug captured |
| 95 | { |
| 96 | __block int b; |
| 97 | int c; |
| 98 | __block int d; |
| 99 | ^{ |
| 100 | b = a; |
| 101 | b = c; |
| 102 | b = d; |
| 103 | }(); |
| 104 | } |
| 105 | |
| 106 | // CHECK2: alloca %struct.__block_byref_b |
| 107 | // CHECK2-NEXT: [[C:%[0-9a-z_]*]] = alloca i32 |
| 108 | // CHECK2-NEXT: alloca %struct.__block_byref_d |
| 109 | // |
| 110 | // CHECK2: bitcast %struct.__block_byref_b* |
| 111 | // CHECK2-NEXT: store i8* |
| 112 | // |
| 113 | // CHECK2: [[CapA:%[0-9a-z_.]*]] = getelementptr inbounds {{.*}}, i32 0, i32 7 |
| 114 | // |
| 115 | // CHECK2: getelementptr inbounds %struct.anon{{.*}}, i32 0, i32 0 |
| 116 | // CHECK2: load i32** |
| 117 | // CHECK2: load i32* |
| 118 | // CHECK2: store i32 {{.*}}, i32* [[CapA]] |
| 119 | // |
| 120 | // CHECK2: [[CapC:%[0-9a-z_.]*]] = getelementptr inbounds {{.*}}, i32 0, i32 8 |
| 121 | // CHECK2-NEXT: [[Val:%[0-9a-z_]*]] = load i32* [[C]] |
| 122 | // CHECK2-NEXT: store i32 [[Val]], i32* [[CapC]] |
| 123 | // |
| 124 | // CHECK2: bitcast %struct.__block_byref_d* |
| 125 | // CHECK2-NEXT: store i8* |
| 126 | } |