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 // REQUIRES: x86-registered-target
6 #ifndef HEADER
7 #define HEADER
8 // CHECK-DAG: %ident_t = type { i32, i32, i32, i32, i8* }
9 // CHECK-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00"
10 // 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) }
11 // CHECK-DEBUG-DAG: %ident_t = type { i32, i32, i32, i32, i8* }
12 // CHECK-DEBUG-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00"
13 // 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) }
14 // CHECK-DEBUG-DAG: [[LOC1:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}parallel_codegen.cpp;main;[[@LINE+14]];9;;\00"
15 // CHECK-DEBUG-DAG: [[LOC2:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}parallel_codegen.cpp;tmain;[[@LINE+7]];9;;\00"
16 
17 template <class T>
18 void foo(T argc) {}
19 
20 template <typename T>
21 int tmain(T argc) {
22 #pragma omp parallel
23   foo(argc);
24   return 0;
25 }
26 
27 int main (int argc, char **argv) {
28 #pragma omp parallel
29   foo(argc);
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:  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*, i32*)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i32* [[ARGC_ADDR]])
36 // CHECK-NEXT:  [[ARGV:%.+]] = load i8**, i8*** {{%[a-z0-9.]+}}
37 // CHECK-NEXT:  [[RET:%.+]] = call {{[a-z\_\b]*[ ]?i32}} [[TMAIN:@.+tmain.+]](i8** [[ARGV]])
38 // CHECK-NEXT:  ret i32 [[RET]]
39 // CHECK-NEXT:  }
40 // CHECK-DEBUG-LABEL: define i32 @main(i32 %argc, i8** %argv)
41 // CHECK-DEBUG:       [[LOC_2_ADDR:%.+]] = alloca %ident_t
42 // CHECK-DEBUG:       [[KMPC_LOC_VOIDPTR:%.+]] = bitcast %ident_t* [[LOC_2_ADDR]] to i8*
43 // CHECK-DEBUG-NEXT:  [[KMPC_DEFAULT_LOC_VOIDPTR:%.+]] = bitcast %ident_t* [[DEF_LOC_2]] to i8*
44 // 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)
45 // CHECK-DEBUG:       store i32 %argc, i32* [[ARGC_ADDR:%.+]],
46 // CHECK-DEBUG:       [[KMPC_LOC_PSOURCE_REF:%.+]] = getelementptr inbounds %ident_t, %ident_t* [[LOC_2_ADDR]], i32 0, i32 4
47 // CHECK-DEBUG-NEXT:  store i8* getelementptr inbounds ([{{.+}} x i8], [{{.+}} x i8]* [[LOC1]], i32 0, i32 0), i8** [[KMPC_LOC_PSOURCE_REF]]
48 // CHECK-DEBUG:  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*, i32*)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i32* [[ARGC_ADDR]])
49 // CHECK-DEBUG-NEXT:  [[ARGV:%.+]] = load i8**, i8*** {{%[a-z0-9.]+}}
50 // CHECK-DEBUG-NEXT:  [[RET:%.+]] = call i32 [[TMAIN:@.+tmain.+]](i8** [[ARGV]])
51 // CHECK-DEBUG-NEXT:  ret i32 [[RET]]
52 // CHECK-DEBUG-NEXT:  }
53 
54 // CHECK:       define internal {{.*}}void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i32* dereferenceable(4) [[ARGC_ADDR:%[^)]+]])
55 // CHECK-SAME:       #[[FN_ATTRS:[0-9]+]]
56 // CHECK:       store i32* [[ARGC_ADDR]], i32** [[ARGC_PTR_ADDR:%.+]],
57 // CHECK:       [[ARGC_REF:%.+]] = load i32*, i32** [[ARGC_PTR_ADDR]]
58 // CHECK-NEXT:  [[ARGC:%.+]] = load i32, i32* [[ARGC_REF]]
59 // CHECK-NEXT:  invoke {{.*}}void [[FOO:@.+foo.+]](i32{{[ ]?[a-z]*}} [[ARGC]])
60 // CHECK:       ret void
61 // CHECK:       call {{.*}}void @{{.+terminate.*|abort}}(
62 // CHECK-NEXT:  unreachable
63 // CHECK-NEXT:  }
64 // CHECK-DEBUG:       define internal void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i32* dereferenceable(4) [[ARGC_ADDR:%[^)]+]])
65 // CHECK-DEBUG-SAME:  #[[FN_ATTRS:[0-9]+]]
66 // CHECK-DEBUG:       store i32* [[ARGC_ADDR]], i32** [[ARGC_PTR_ADDR:%.+]],
67 // CHECK-DEBUG:  [[ARGC_REF:%.+]] = load i32*, i32** [[ARGC_PTR_ADDR]]
68 // CHECK-DEBUG-NEXT:  [[ARGC:%.+]] = load i32, i32* [[ARGC_REF]]
69 // CHECK-DEBUG-NEXT:  invoke void [[FOO:@.+foo.+]](i32 [[ARGC]])
70 // CHECK-DEBUG:       ret void
71 // CHECK-DEBUG:       call void @{{.+terminate.*|abort}}(
72 // CHECK-DEBUG-NEXT:  unreachable
73 // CHECK-DEBUG-NEXT:  }
74 
75 // CHECK-DAG: define linkonce_odr {{.*}}void [[FOO]]({{i32[ ]?[a-z]*}} %argc)
76 // CHECK-DAG: declare {{.*}}void @__kmpc_fork_call(%ident_t*, i32, void (i32*, i32*, ...)*, ...)
77 // CHECK-DEBUG-DAG: define linkonce_odr void [[FOO]](i32 %argc)
78 // CHECK-DEBUG-DAG: declare void @__kmpc_fork_call(%ident_t*, i32, void (i32*, i32*, ...)*, ...)
79 
80 // CHECK:       define linkonce_odr {{[a-z\_\b]*[ ]?i32}} [[TMAIN]](i8** %argc)
81 // CHECK:       store i8** %argc, i8*** [[ARGC_ADDR:%.+]],
82 // 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]])
83 // CHECK-NEXT:  ret i32 0
84 // CHECK-NEXT:  }
85 // CHECK-DEBUG:       define linkonce_odr i32 [[TMAIN]](i8** %argc)
86 // CHECK-DEBUG-DAG:   [[LOC_2_ADDR:%.+]] = alloca %ident_t
87 // CHECK-DEBUG:       [[KMPC_LOC_VOIDPTR:%.+]] = bitcast %ident_t* [[LOC_2_ADDR]] to i8*
88 // CHECK-DEBUG-NEXT:  [[KMPC_DEFAULT_LOC_VOIDPTR:%.+]] = bitcast %ident_t* [[DEF_LOC_2]] to i8*
89 // 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)
90 // CHECK-DEBUG-NEXT:  store i8** %argc, i8*** [[ARGC_ADDR:%.+]],
91 // CHECK-DEBUG:  [[KMPC_LOC_PSOURCE_REF:%.+]] = getelementptr inbounds %ident_t, %ident_t* [[LOC_2_ADDR]], i32 0, i32 4
92 // CHECK-DEBUG-NEXT:  store i8* getelementptr inbounds ([{{.+}} x i8], [{{.+}} x i8]* [[LOC2]], i32 0, i32 0), i8** [[KMPC_LOC_PSOURCE_REF]]
93 // 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]])
94 // CHECK-DEBUG-NEXT:  ret i32 0
95 // CHECK-DEBUG-NEXT:  }
96 
97 // CHECK:       define internal {{.*}}void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i8*** dereferenceable({{4|8}}) %argc)
98 // CHECK:       store i8*** %argc, i8**** [[ARGC_PTR_ADDR:%.+]],
99 // CHECK:       [[ARGC_REF:%.+]] = load i8***, i8**** [[ARGC_PTR_ADDR]]
100 // CHECK-NEXT:  [[ARGC:%.+]] = load i8**, i8*** [[ARGC_REF]]
101 // CHECK-NEXT:  invoke {{.*}}void [[FOO1:@.+foo.+]](i8** [[ARGC]])
102 // CHECK:       ret void
103 // CHECK:       call {{.*}}void @{{.+terminate.*|abort}}(
104 // CHECK-NEXT:  unreachable
105 // CHECK-NEXT:  }
106 // CHECK-DEBUG:       define internal void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i8*** dereferenceable({{4|8}}) %argc)
107 // CHECK-DEBUG:       store i8*** %argc, i8**** [[ARGC_PTR_ADDR:%.+]],
108 // CHECK-DEBUG:       [[ARGC_REF:%.+]] = load i8***, i8**** [[ARGC_PTR_ADDR]]
109 // CHECK-DEBUG-NEXT:  [[ARGC:%.+]] = load i8**, i8*** [[ARGC_REF]]
110 // CHECK-DEBUG-NEXT:  invoke void [[FOO1:@.+foo.+]](i8** [[ARGC]])
111 // CHECK-DEBUG:       ret void
112 // CHECK-DEBUG:       call void @{{.+terminate.*|abort}}(
113 // CHECK-DEBUG-NEXT:  unreachable
114 // CHECK-DEBUG-NEXT:  }
115 
116 // CHECK: define linkonce_odr {{.*}}void [[FOO1]](i8** %argc)
117 // CHECK-DEBUG: define linkonce_odr void [[FOO1]](i8** %argc)
118 
119 // CHECK: attributes #[[FN_ATTRS]] = {{.+}} nounwind
120 // CHECK-DEBUG: attributes #[[FN_ATTRS]] = {{.+}} nounwind
121 
122 #endif
123