xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/captured-statements-nested.c (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fblocks -emit-llvm %s -o %t
2*f4a2713aSLionel Sambuc // RUN: FileCheck %s -input-file=%t -check-prefix=CHECK1
3*f4a2713aSLionel Sambuc // RUN: FileCheck %s -input-file=%t -check-prefix=CHECK2
4*f4a2713aSLionel Sambuc 
5*f4a2713aSLionel Sambuc struct A {
6*f4a2713aSLionel Sambuc   int a;
7*f4a2713aSLionel Sambuc   float b;
8*f4a2713aSLionel Sambuc   char c;
9*f4a2713aSLionel Sambuc };
10*f4a2713aSLionel Sambuc 
11*f4a2713aSLionel Sambuc void test_nest_captured_stmt(int param) {
12*f4a2713aSLionel Sambuc   int w;
13*f4a2713aSLionel Sambuc   // CHECK1: %struct.anon{{.*}} = type { i32*, i32* }
14*f4a2713aSLionel Sambuc   // CHECK1: %struct.anon{{.*}} = type { i32*, i32*, i32**, i32* }
15*f4a2713aSLionel Sambuc   // CHECK1: [[T:%struct.anon.*]] = type { i32*, i32*, %struct.A*, i32**, i32* }
16*f4a2713aSLionel Sambuc   #pragma clang __debug captured
17*f4a2713aSLionel Sambuc   {
18*f4a2713aSLionel Sambuc     int x;
19*f4a2713aSLionel Sambuc     int *y = &w;
20*f4a2713aSLionel Sambuc     #pragma clang __debug captured
21*f4a2713aSLionel Sambuc     {
22*f4a2713aSLionel Sambuc       struct A z;
23*f4a2713aSLionel Sambuc       #pragma clang __debug captured
24*f4a2713aSLionel Sambuc       {
25*f4a2713aSLionel Sambuc         w = x = z.a = 1;
26*f4a2713aSLionel Sambuc         *y = param;
27*f4a2713aSLionel Sambuc         z.b = 0.1f;
28*f4a2713aSLionel Sambuc         z.c = 'c';
29*f4a2713aSLionel Sambuc 
30*f4a2713aSLionel Sambuc         // CHECK1: define internal void @__captured_stmt{{.*}}([[T]]
31*f4a2713aSLionel Sambuc         //
32*f4a2713aSLionel Sambuc         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 2
33*f4a2713aSLionel Sambuc         // CHECK1-NEXT: load %struct.A**
34*f4a2713aSLionel Sambuc         // CHECK1-NEXT: getelementptr inbounds %struct.A*
35*f4a2713aSLionel Sambuc         // CHECK1-NEXT: store i32 1
36*f4a2713aSLionel Sambuc         //
37*f4a2713aSLionel Sambuc         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 1
38*f4a2713aSLionel Sambuc         // CHECK1-NEXT: load i32**
39*f4a2713aSLionel Sambuc         // CHECK1-NEXT: store i32 1
40*f4a2713aSLionel Sambuc         //
41*f4a2713aSLionel Sambuc         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 0
42*f4a2713aSLionel Sambuc         // CHECK1-NEXT: load i32**
43*f4a2713aSLionel Sambuc         // CHECK1-NEXT: store i32 1
44*f4a2713aSLionel Sambuc         //
45*f4a2713aSLionel Sambuc         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 4
46*f4a2713aSLionel Sambuc         // CHECK1-NEXT: load i32**
47*f4a2713aSLionel Sambuc         // CHECK1-NEXT: load i32*
48*f4a2713aSLionel Sambuc         // CHECK1-NEXT: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 3
49*f4a2713aSLionel Sambuc         // CHECK1-NEXT: load i32***
50*f4a2713aSLionel Sambuc         // CHECK1-NEXT: load i32**
51*f4a2713aSLionel Sambuc         // CHECK1-NEXT: store i32
52*f4a2713aSLionel Sambuc         //
53*f4a2713aSLionel Sambuc         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 2
54*f4a2713aSLionel Sambuc         // CHECK1-NEXT: load %struct.A**
55*f4a2713aSLionel Sambuc         // CHECK1-NEXT: getelementptr inbounds %struct.A*
56*f4a2713aSLionel Sambuc         // CHECK1-NEXT: store float
57*f4a2713aSLionel Sambuc         //
58*f4a2713aSLionel Sambuc         // CHECK1: getelementptr inbounds [[T]]* {{.*}}, i32 0, i32 2
59*f4a2713aSLionel Sambuc         // CHECK1-NEXT: load %struct.A**
60*f4a2713aSLionel Sambuc         // CHECK1-NEXT: getelementptr inbounds %struct.A*
61*f4a2713aSLionel Sambuc         // CHECK1-NEXT: store i8 99
62*f4a2713aSLionel Sambuc       }
63*f4a2713aSLionel Sambuc     }
64*f4a2713aSLionel Sambuc   }
65*f4a2713aSLionel Sambuc }
66*f4a2713aSLionel Sambuc 
67*f4a2713aSLionel Sambuc void test_nest_block() {
68*f4a2713aSLionel Sambuc   __block int x;
69*f4a2713aSLionel Sambuc   int y;
70*f4a2713aSLionel Sambuc   ^{
71*f4a2713aSLionel Sambuc     int z;
72*f4a2713aSLionel Sambuc     x = z;
73*f4a2713aSLionel Sambuc     #pragma clang __debug captured
74*f4a2713aSLionel Sambuc     {
75*f4a2713aSLionel Sambuc       z = y; // OK
76*f4a2713aSLionel Sambuc     }
77*f4a2713aSLionel Sambuc   }();
78*f4a2713aSLionel Sambuc 
79*f4a2713aSLionel Sambuc   // CHECK2: define internal void @{{.*}}test_nest_block_block_invoke
80*f4a2713aSLionel Sambuc   //
81*f4a2713aSLionel Sambuc   // CHECK2: [[Z:%[0-9a-z_]*]] = alloca i32
82*f4a2713aSLionel Sambuc   // CHECK2: alloca %struct.anon{{.*}}
83*f4a2713aSLionel Sambuc   //
84*f4a2713aSLionel Sambuc   // CHECK2: store i32
85*f4a2713aSLionel Sambuc   // CHECK2: store i32* [[Z]]
86*f4a2713aSLionel Sambuc   //
87*f4a2713aSLionel Sambuc   // CHECK2: getelementptr inbounds %struct.anon
88*f4a2713aSLionel Sambuc   // CHECK2-NEXT: getelementptr inbounds
89*f4a2713aSLionel Sambuc   // CHECK2-NEXT: store i32*
90*f4a2713aSLionel Sambuc   //
91*f4a2713aSLionel Sambuc   // CHECK2: call void @__captured_stmt
92*f4a2713aSLionel Sambuc 
93*f4a2713aSLionel Sambuc   int a;
94*f4a2713aSLionel Sambuc   #pragma clang __debug captured
95*f4a2713aSLionel Sambuc   {
96*f4a2713aSLionel Sambuc     __block int b;
97*f4a2713aSLionel Sambuc     int c;
98*f4a2713aSLionel Sambuc     __block int d;
99*f4a2713aSLionel Sambuc     ^{
100*f4a2713aSLionel Sambuc       b = a;
101*f4a2713aSLionel Sambuc       b = c;
102*f4a2713aSLionel Sambuc       b = d;
103*f4a2713aSLionel Sambuc     }();
104*f4a2713aSLionel Sambuc   }
105*f4a2713aSLionel Sambuc 
106*f4a2713aSLionel Sambuc   // CHECK2: alloca %struct.__block_byref_b
107*f4a2713aSLionel Sambuc   // CHECK2-NEXT: [[C:%[0-9a-z_]*]] = alloca i32
108*f4a2713aSLionel Sambuc   // CHECK2-NEXT: alloca %struct.__block_byref_d
109*f4a2713aSLionel Sambuc   //
110*f4a2713aSLionel Sambuc   // CHECK2: bitcast %struct.__block_byref_b*
111*f4a2713aSLionel Sambuc   // CHECK2-NEXT: store i8*
112*f4a2713aSLionel Sambuc   //
113*f4a2713aSLionel Sambuc   // CHECK2: [[CapA:%[0-9a-z_.]*]] = getelementptr inbounds {{.*}}, i32 0, i32 7
114*f4a2713aSLionel Sambuc   //
115*f4a2713aSLionel Sambuc   // CHECK2: getelementptr inbounds %struct.anon{{.*}}, i32 0, i32 0
116*f4a2713aSLionel Sambuc   // CHECK2: load i32**
117*f4a2713aSLionel Sambuc   // CHECK2: load i32*
118*f4a2713aSLionel Sambuc   // CHECK2: store i32 {{.*}}, i32* [[CapA]]
119*f4a2713aSLionel Sambuc   //
120*f4a2713aSLionel Sambuc   // CHECK2: [[CapC:%[0-9a-z_.]*]] = getelementptr inbounds {{.*}}, i32 0, i32 8
121*f4a2713aSLionel Sambuc   // CHECK2-NEXT: [[Val:%[0-9a-z_]*]] = load i32* [[C]]
122*f4a2713aSLionel Sambuc   // CHECK2-NEXT: store i32 [[Val]], i32* [[CapC]]
123*f4a2713aSLionel Sambuc   //
124*f4a2713aSLionel Sambuc   // CHECK2: bitcast %struct.__block_byref_d*
125*f4a2713aSLionel Sambuc   // CHECK2-NEXT: store i8*
126*f4a2713aSLionel Sambuc }
127