1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm %s -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -debug-info-kind=limited -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix=CHECK-DEBUG %s
4 // expected-no-diagnostics
5 #ifndef HEADER
6 #define HEADER
7 // CHECK-DAG: %ident_t = type { i32, i32, i32, i32, i8* }
8 // CHECK-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00"
9 // CHECK-DAG: [[DEF_LOC_2:@.+]] = private unnamed_addr constant %ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* [[STR]], i32 0, i32 0) }
10 // CHECK-DEBUG-DAG: %ident_t = type { i32, i32, i32, i32, i8* }
11 // CHECK-DEBUG-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00"
12 // CHECK-DEBUG-DAG: [[DEF_LOC_2:@.+]] = private unnamed_addr constant %ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* [[STR]], i32 0, i32 0) }
13 // CHECK-DEBUG-DAG: [[LOC1:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}parallel_codegen.cpp;main;[[@LINE+15]];9;;\00"
14 // CHECK-DEBUG-DAG: [[LOC2:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}parallel_codegen.cpp;tmain;[[@LINE+7]];9;;\00"
15 
16 template <class T>
17 void foo(T argc) {}
18 
19 template <typename T>
20 int tmain(T argc) {
21 #pragma omp parallel
22   foo(argc);
23   return 0;
24 }
25 
26 int main (int argc, char **argv) {
27   int a[argc];
28 #pragma omp parallel
29   foo(a[1]);
30   return tmain(argv);
31 }
32 
33 // CHECK-LABEL: define {{[a-z\_\b]*[ ]?i32}} @main({{i32[ ]?[a-z]*}} %argc, i8** %argv)
34 // CHECK: store i32 %argc, i32* [[ARGC_ADDR:%.+]],
35 // CHECK: [[VLA:%.+]] = alloca i32, i{{[0-9]+}} [[VLA_SIZE:%[^,]+]],
36 // CHECK:  call {{.*}}void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%ident_t* [[DEF_LOC_2]], i32 2, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i{{[0-9]+}}, i32*)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i{{[0-9]+}} [[VLA_SIZE]], i32* [[VLA]])
37 // CHECK-NEXT:  [[ARGV:%.+]] = load i8**, i8*** {{%[a-z0-9.]+}}
38 // CHECK-NEXT:  [[RET:%.+]] = call {{[a-z\_\b]*[ ]?i32}} [[TMAIN:@.+tmain.+]](i8** [[ARGV]])
39 // CHECK:       ret i32
40 // CHECK-NEXT:  }
41 // CHECK-DEBUG-LABEL: define i32 @main(i32 %argc, i8** %argv)
42 // CHECK-DEBUG:       [[LOC_2_ADDR:%.+]] = alloca %ident_t
43 // CHECK-DEBUG:       [[KMPC_LOC_VOIDPTR:%.+]] = bitcast %ident_t* [[LOC_2_ADDR]] to i8*
44 // CHECK-DEBUG-NEXT:  [[KMPC_DEFAULT_LOC_VOIDPTR:%.+]] = bitcast %ident_t* [[DEF_LOC_2]] to i8*
45 // CHECK-DEBUG-NEXT:   call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[KMPC_LOC_VOIDPTR]], i8* [[KMPC_DEFAULT_LOC_VOIDPTR]], i64 24, i32 8, i1 false)
46 // CHECK-DEBUG:       store i32 %argc, i32* [[ARGC_ADDR:%.+]],
47 // CHECK-DEBUG:       [[VLA:%.+]] = alloca i32, i64 [[VLA_SIZE:%[^,]+]],
48 // CHECK-DEBUG:       [[KMPC_LOC_PSOURCE_REF:%.+]] = getelementptr inbounds %ident_t, %ident_t* [[LOC_2_ADDR]], i32 0, i32 4
49 // CHECK-DEBUG-NEXT:  store i8* getelementptr inbounds ([{{.+}} x i8], [{{.+}} x i8]* [[LOC1]], i32 0, i32 0), i8** [[KMPC_LOC_PSOURCE_REF]]
50 // CHECK-DEBUG:       call {{.*}}void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%ident_t* [[LOC_2_ADDR]], i32 2, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i64, i32*)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i64 [[VLA_SIZE]], i32* [[VLA]])
51 // CHECK-DEBUG-NEXT:  [[ARGV:%.+]] = load i8**, i8*** {{%[a-z0-9.]+}}
52 // CHECK-DEBUG-NEXT:  [[RET:%.+]] = call i32 [[TMAIN:@.+tmain.+]](i8** [[ARGV]])
53 // CHECK-DEBUG:       ret i32
54 // CHECK-DEBUG-NEXT:  }
55 
56 // CHECK:       define internal {{.*}}void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i{{[0-9]+}}{{.*}} [[VLA_SIZE:%.+]], i32* [[VLA_ADDR:%[^)]+]])
57 // CHECK-SAME:       #[[FN_ATTRS:[0-9]+]]
58 // CHECK:       store i32* [[VLA_ADDR]], i32** [[VLA_PTR_ADDR:%.+]],
59 // CHECK:       [[VLA_REF:%.+]] = load i32*, i32** [[VLA_PTR_ADDR]]
60 // CHECK:       [[VLA_ELEM_REF:%.+]] = getelementptr inbounds i32, i32* [[VLA_REF]], i{{[0-9]+}} 1
61 // CHECK-NEXT:  [[VLA_ELEM:%.+]] = load i32, i32* [[VLA_ELEM_REF]]
62 // CHECK-NEXT:  invoke {{.*}}void [[FOO:@.+foo.+]](i32{{[ ]?[a-z]*}} [[VLA_ELEM]])
63 // CHECK:       ret void
64 // CHECK:       call {{.*}}void @{{.+terminate.*|abort}}(
65 // CHECK-NEXT:  unreachable
66 // CHECK-NEXT:  }
67 // CHECK-DEBUG:       define internal void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i64 [[VLA_SIZE:%.+]], i32* [[VLA_ADDR:%[^)]+]])
68 // CHECK-DEBUG-SAME:  #[[FN_ATTRS:[0-9]+]]
69 // CHECK-DEBUG:       store i32* [[VLA_ADDR]], i32** [[VLA_PTR_ADDR:%.+]],
70 // CHECK-DEBUG:       [[VLA_REF:%.+]] = load i32*, i32** [[VLA_PTR_ADDR]]
71 // CHECK-DEBUG:       [[VLA_ELEM_REF:%.+]] = getelementptr inbounds i32, i32* [[VLA_REF]], i64 1
72 // CHECK-DEBUG-NEXT:  [[VLA_ELEM:%.+]] = load i32, i32* [[VLA_ELEM_REF]]
73 // CHECK-DEBUG-NEXT:  invoke void [[FOO:@.+foo.+]](i32 [[VLA_ELEM]])
74 // CHECK-DEBUG:       ret void
75 // CHECK-DEBUG:       call void @{{.+terminate.*|abort}}(
76 // CHECK-DEBUG-NEXT:  unreachable
77 // CHECK-DEBUG-NEXT:  }
78 
79 // CHECK-DAG: define linkonce_odr {{.*}}void [[FOO]]({{i32[ ]?[a-z]*}} %argc)
80 // CHECK-DAG: declare {{.*}}void @__kmpc_fork_call(%ident_t*, i32, void (i32*, i32*, ...)*, ...)
81 // CHECK-DEBUG-DAG: define linkonce_odr void [[FOO]](i32 %argc)
82 // CHECK-DEBUG-DAG: declare void @__kmpc_fork_call(%ident_t*, i32, void (i32*, i32*, ...)*, ...)
83 
84 // CHECK:       define linkonce_odr {{[a-z\_\b]*[ ]?i32}} [[TMAIN]](i8** %argc)
85 // CHECK:       store i8** %argc, i8*** [[ARGC_ADDR:%.+]],
86 // CHECK-NEXT:  call {{.*}}void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%ident_t* [[DEF_LOC_2]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i8***)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i8*** [[ARGC_ADDR]])
87 // CHECK-NEXT:  ret i32 0
88 // CHECK-NEXT:  }
89 // CHECK-DEBUG:       define linkonce_odr i32 [[TMAIN]](i8** %argc)
90 // CHECK-DEBUG-DAG:   [[LOC_2_ADDR:%.+]] = alloca %ident_t
91 // CHECK-DEBUG:       [[KMPC_LOC_VOIDPTR:%.+]] = bitcast %ident_t* [[LOC_2_ADDR]] to i8*
92 // CHECK-DEBUG-NEXT:  [[KMPC_DEFAULT_LOC_VOIDPTR:%.+]] = bitcast %ident_t* [[DEF_LOC_2]] to i8*
93 // CHECK-DEBUG-NEXT:   call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[KMPC_LOC_VOIDPTR]], i8* [[KMPC_DEFAULT_LOC_VOIDPTR]], i64 24, i32 8, i1 false)
94 // CHECK-DEBUG-NEXT:  store i8** %argc, i8*** [[ARGC_ADDR:%.+]],
95 // CHECK-DEBUG:  [[KMPC_LOC_PSOURCE_REF:%.+]] = getelementptr inbounds %ident_t, %ident_t* [[LOC_2_ADDR]], i32 0, i32 4
96 // CHECK-DEBUG-NEXT:  store i8* getelementptr inbounds ([{{.+}} x i8], [{{.+}} x i8]* [[LOC2]], i32 0, i32 0), i8** [[KMPC_LOC_PSOURCE_REF]]
97 // CHECK-DEBUG-NEXT:  call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%ident_t* [[LOC_2_ADDR]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i8***)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i8*** [[ARGC_ADDR]])
98 // CHECK-DEBUG-NEXT:  ret i32 0
99 // CHECK-DEBUG-NEXT:  }
100 
101 // CHECK:       define internal {{.*}}void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i8*** dereferenceable({{4|8}}) %argc)
102 // CHECK:       store i8*** %argc, i8**** [[ARGC_PTR_ADDR:%.+]],
103 // CHECK:       [[ARGC_REF:%.+]] = load i8***, i8**** [[ARGC_PTR_ADDR]]
104 // CHECK-NEXT:  [[ARGC:%.+]] = load i8**, i8*** [[ARGC_REF]]
105 // CHECK-NEXT:  invoke {{.*}}void [[FOO1:@.+foo.+]](i8** [[ARGC]])
106 // CHECK:       ret void
107 // CHECK:       call {{.*}}void @{{.+terminate.*|abort}}(
108 // CHECK-NEXT:  unreachable
109 // CHECK-NEXT:  }
110 // CHECK-DEBUG:       define internal void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i8*** dereferenceable({{4|8}}) %argc)
111 // CHECK-DEBUG:       store i8*** %argc, i8**** [[ARGC_PTR_ADDR:%.+]],
112 // CHECK-DEBUG:       [[ARGC_REF:%.+]] = load i8***, i8**** [[ARGC_PTR_ADDR]]
113 // CHECK-DEBUG-NEXT:  [[ARGC:%.+]] = load i8**, i8*** [[ARGC_REF]]
114 // CHECK-DEBUG-NEXT:  invoke void [[FOO1:@.+foo.+]](i8** [[ARGC]])
115 // CHECK-DEBUG:       ret void
116 // CHECK-DEBUG:       call void @{{.+terminate.*|abort}}(
117 // CHECK-DEBUG-NEXT:  unreachable
118 // CHECK-DEBUG-NEXT:  }
119 
120 // CHECK: define linkonce_odr {{.*}}void [[FOO1]](i8** %argc)
121 // CHECK-DEBUG: define linkonce_odr void [[FOO1]](i8** %argc)
122 
123 // CHECK: attributes #[[FN_ATTRS]] = {{.+}} nounwind
124 // CHECK-DEBUG: attributes #[[FN_ATTRS]] = {{.+}} nounwind
125 
126 #endif
127