1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm %s -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -o - | FileCheck %s --check-prefixes=ALL,CHECK
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-prefixes=ALL-DEBUG,CHECK-DEBUG %s
4 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-enable-irbuilder -DIRBUILDER -x c++ -emit-llvm %s -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -o - | FileCheck %s --check-prefixes=ALL,IRBUILDER
5 // RUN: %clang_cc1 -fopenmp -fopenmp-enable-irbuilder -DIRBUILDER -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
6 // RUN: %clang_cc1 -fopenmp -fopenmp-enable-irbuilder -DIRBUILDER -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -debug-info-kind=limited -gno-column-info -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefixes=ALL-DEBUG,IRBUILDER-DEBUG %s
7 
8 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -emit-llvm %s -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -o - | FileCheck --check-prefix SIMD-ONLY0 %s
9 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
10 // RUN: %clang_cc1 -fopenmp-simd -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 SIMD-ONLY0 %s
11 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-enable-irbuilder -x c++ -emit-llvm %s -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -o - | FileCheck --check-prefix SIMD-ONLY0 %s
12 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-enable-irbuilder -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
13 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-enable-irbuilder -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 SIMD-ONLY0 %s
14 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
15 // expected-no-diagnostics
16 #ifndef HEADER
17 #define HEADER
18 // ALL-DAG: %struct.ident_t = type { i32, i32, i32, i32, i8* }
19 // ALL-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00"
20 // ALL-DAG: [[DEF_LOC_2:@.+]] = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* [[STR]], i32 0, i32 0) }
21 // CHECK-DEBUG-DAG: %struct.ident_t = type { i32, i32, i32, i32, i8* }
22 
23 // CHECK-DEBUG-DAG: [[LOC1:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}parallel_codegen.cpp;main;[[@LINE+23]];1;;\00"
24 // CHECK-DEBUG-DAG: [[LOC2:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}parallel_codegen.cpp;tmain;[[@LINE+11]];1;;\00"
25 // IRBUILDER-DEBUG-DAG: %struct.ident_t = type { i32, i32, i32, i32, i8* }
26 // IRBUILDER-DEBUG-DAG: [[LOC1:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}parallel_codegen.cpp;main;[[@LINE+20]];0;;\00"
27 // IRBUILDER-DEBUG-DAG: [[LOC2:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}parallel_codegen.cpp;tmain<char **>;[[@LINE+8]];0;;\00"
28 
29 template <class T>
foo(T argc)30 void foo(T argc) {}
31 
32 template <typename T>
tmain(T argc)33 int tmain(T argc) {
34   typedef double (*chunk_t)[argc[0][0]];
35 #pragma omp parallel
36   {
37   foo(argc);
38   chunk_t var;(void)var[0][0];
39   }
40   return 0;
41 }
42 
43 int global;
main(int argc,char ** argv)44 int main (int argc, char **argv) {
45   int a[argc];
46 #pragma omp parallel shared(global, a) default(none)
47   foo(a[1]), a[1] = global;
48 #ifndef IRBUILDER
49 // TODO: Support for privates in IRBuilder.
50 #pragma omp parallel private(global, a) default(none)
51 #pragma omp parallel shared(global, a) default(none)
52   foo(a[1]), a[1] = global;
53 // FIXME: IRBuilder crashes in void llvm::OpenMPIRBuilder::finalize()
54 // Assertion `Extractor.isEligible() && "Expected OpenMP outlining to be possible!"' failed.
55 #pragma omp parallel shared(global, a) default(none)
56 #pragma omp parallel shared(global, a) default(none)
57   foo(a[1]), a[1] = global;
58 #endif // IRBUILDER
59   return tmain(argv);
60 }
61 
62 // ALL-LABEL: define {{[a-z\_\b]*[ ]?i32}} @main({{i32[ ]?[a-z]*}} %argc, i8** %argv)
63 // ALL: store i32 %argc, i32* [[ARGC_ADDR:%.+]],
64 // ALL: [[VLA:%.+]] = alloca i32, i{{[0-9]+}} [[VLA_SIZE:%[^,]+]],
65 // CHECK:  call {{.*}}void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.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]])
66 // CHECK:  call {{.*}}void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* [[DEF_LOC_2]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i{{[0-9]+}})* [[OMP_OUTLINED1:@.+]] to void (i32*, i32*, ...)*), i{{[0-9]+}} [[VLA_SIZE]])
67 // CHECK:  call {{.*}}void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* [[DEF_LOC_2]], i32 2, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i{{[0-9]+}}, i32*)* [[OMP_OUTLINED2:@.+]] to void (i32*, i32*, ...)*), i{{[0-9]+}} [[VLA_SIZE]], i32* [[VLA]])
68 // IRBUILDER:   call {{.*}}void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* [[DEF_LOC_2]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i32*)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i32* [[VLA]])
69 // ALL:  [[ARGV:%.+]] = load i8**, i8*** {{%[a-z0-9.]+}}
70 // ALL-NEXT:  [[RET:%.+]] = call {{[a-z\_\b]*[ ]?i32}} [[TMAIN:@.+tmain.+]](i8** [[ARGV]])
71 // ALL:       ret i32
72 // ALL-NEXT:  }
73 // ALL-DEBUG-LABEL: define i32 @main(i32 %argc, i8** %argv)
74 
75 // ALL-DEBUG:       store i32 %argc, i32* [[ARGC_ADDR:%.+]],
76 // ALL-DEBUG:       [[VLA:%.+]] = alloca i32, i64 [[VLA_SIZE:%[^,]+]],
77 
78 // CHECK-DEBUG:       call {{.*}}void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @{{.*}}, i32 2, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i64, i32*)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i64 [[VLA_SIZE]], i32* [[VLA]])
79 // IRBUILDER-DEBUG:       call {{.*}}void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @{{.*}}, i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i32*)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i32* [[VLA]])
80 // ALL-DEBUG:        [[ARGV:%.+]] = load i8**, i8*** {{%[a-z0-9.]+}}
81 // ALL-DEBUG:        [[RET:%.+]] = call i32 [[TMAIN:@.+tmain.+]](i8** [[ARGV]])
82 // ALL-DEBUG:        ret i32
83 // ALL-DEBUG-NEXT:  }
84 
85 // CHECK:           define internal {{.*}}void [[OMP_OUTLINED]](i32* noalias %{{.+}}, i32* noalias %{{.+}}, i{{[0-9]+}}{{.*}} [[VLA_SIZE:%.+]], i32* {{.+}} [[VLA_ADDR:%[^)]+]])
86 // CHECK-SAME:      #[[FN_ATTRS:[0-9]+]]
87 // IRBUILDER:       define internal {{.*}}void [[OMP_OUTLINED]](i32* noalias %{{.*}}, i32* noalias %{{.*}}, i32* [[VLA_REF:%[^)]+]])
88 // IRBUILDER-SAME:  #[[FN_ATTRS:[0-9]+]]
89 // CHECK:       store i32* [[VLA_ADDR]], i32** [[VLA_PTR_ADDR:%.+]],
90 // CHECK:       [[VLA_REF:%.+]] = load i32*, i32** [[VLA_PTR_ADDR]]
91 // ALL:       [[VLA_ELEM_REF:%.+]] = getelementptr inbounds i32, i32* [[VLA_REF]], i{{[0-9]+}} 1
92 // ALL-NEXT:  [[VLA_ELEM:%.+]] = load i32, i32* [[VLA_ELEM_REF]]
93 // CHECK-NEXT:  invoke {{.*}}void [[FOO:@.+foo.+]](i32{{[ ]?[a-z]*}} [[VLA_ELEM]])
94 // IRBUILDER: call {{.*}}void [[FOO:@.+foo.+]](i32{{[ ]?[a-z]*}} [[VLA_ELEM]])
95 // ALL:         load i32, i32* @
96 // CHECK:       ret void
97 // CHECK:       call {{.*}}void @{{.+terminate.*|abort}}(
98 // CHECK-NEXT:  unreachable
99 // CHECK-NEXT:  }
100 // CHECK-DEBUG:           define internal void [[OMP_OUTLINED_DEBUG:@.+]](i32* noalias %{{.+}}, i32* noalias %{{.+}}, i64 [[VLA_SIZE:%.+]], i32* {{.+}} [[VLA_ADDR:%[^)]+]])
101 // CHECK-DEBUG-SAME:      #[[FN_ATTRS:[0-9]+]]
102 // IRBUILDER-DEBUG:       define internal void [[OMP_OUTLINED_DEBUG:@.+]](i32* noalias %{{.*}}, i32* noalias %{{.*}}, i32* [[VLA_REF:%[^)]+]])
103 // IRBUILDER-DEBUG-SAME:  #[[FN_ATTRS:[0-9]+]]
104 // CHECK-DEBUG:       store i32* [[VLA_ADDR]], i32** [[VLA_PTR_ADDR:%.+]],
105 // CHECK-DEBUG:       [[VLA_REF:%.+]] = load i32*, i32** [[VLA_PTR_ADDR]]
106 // ALL-DEBUG:       [[VLA_ELEM_REF:%.+]] = getelementptr inbounds i32, i32* [[VLA_REF]], i64 1
107 // ALL-DEBUG-NEXT:  [[VLA_ELEM:%.+]] = load i32, i32* [[VLA_ELEM_REF]]
108 // CHECK-DEBUG-NEXT:  invoke void [[FOO:@.+foo.+]](i32 [[VLA_ELEM]])
109 // IRBUILDER-DEBUG-NEXT:  call void [[FOO:@.+foo.+]](i32 [[VLA_ELEM]])
110 // CHECK-DEBUG:       ret void
111 // CHECK-DEBUG:       call void @{{.+terminate.*|abort}}(
112 // CHECK-DEBUG-NEXT:  unreachable
113 // CHECK-DEBUG-NEXT:  }
114 
115 // ALL-DAG: define linkonce_odr {{.*}}void [[FOO]]({{i32[ ]?[a-z]*}} %argc)
116 // ALL-DAG: declare !callback ![[cbid:[0-9]+]] {{.*}}void @__kmpc_fork_call(%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...)
117 // ALL-DEBUG-DAG: define linkonce_odr void [[FOO]](i32 %argc)
118 
119 // CHECK:           define internal {{.*}}void [[OMP_OUTLINED1]](i32* noalias %{{.+}}, i32* noalias %{{.+}}, i{{[0-9]+}}{{.*}} [[VLA_SIZE:%.+]])
120 // CHECK:           call {{.*}}void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* [[DEF_LOC_2]], i32 3, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i{{[0-9]+}}, i32*, i32*)* [[OMP_OUTLINED11:@.+]] to void (i32*, i32*, ...)*), i{{[0-9]+}} %{{.+}}, i32* %{{.+}}, i32* %{{.+}})
121 
122 // CHECK:           define internal {{.*}}void [[OMP_OUTLINED11]](i32* noalias %{{.+}}, i32* noalias %{{.+}}, i{{[0-9]+}}{{.*}} [[VLA_SIZE:%.+]], i32* {{.+}} [[VLA_ADDR:%[^)]+]], i32* {{.+}} %{{.+}})
123 // CHECK-NOT:       load i32, i32* @
124 
125 // CHECK:           define internal {{.*}}void [[OMP_OUTLINED2]](i32* noalias %{{.+}}, i32* noalias %{{.+}}, i{{[0-9]+}}{{.*}} [[VLA_SIZE:%.+]], i32* {{.+}} [[VLA_ADDR:%[^)]+]])
126 // CHECK:           call {{.*}}void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* [[DEF_LOC_2]], i32 2, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i{{[0-9]+}}, i32*)* [[OMP_OUTLINED21:@.+]] to void (i32*, i32*, ...)*), i{{[0-9]+}} %{{.+}}, i32* %{{.+}})
127 
128 
129 // CHECK:           define internal {{.*}}void [[OMP_OUTLINED21]](i32* noalias %{{.+}}, i32* noalias %{{.+}}, i{{[0-9]+}}{{.*}} [[VLA_SIZE:%.+]], i32* {{.+}} [[VLA_ADDR:%[^)]+]])
130 // CHECK:           load i32, i32* @
131 
132 // ALL-DEBUG-DAG: declare !callback ![[cbid:[0-9]+]] void @__kmpc_fork_call(%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...)
133 // CHECK-DEBUG-DAG:       define internal void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i64 [[VLA_SIZE:%.+]], i32* {{.+}} [[VLA_ADDR:%[^)]+]])
134 // CHECK-DEBUG-DAG:       call void [[OMP_OUTLINED_DEBUG]]
135 
136 // Note that OpenMPIRBuilder puts the trailing arguments in a different order:
137 // arguments that are wrapped into additional pointers precede the other
138 // arguments. This is expected and not problematic because both the call and the
139 // function are generated from the same place, and the function is internal.
140 // ALL:       define linkonce_odr {{[a-z\_\b]*[ ]?i32}} [[TMAIN]](i8** %argc)
141 // ALL:       store i8** %argc, i8*** [[ARGC_ADDR:%.+]],
142 // CHECK:       call {{.*}}void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* [[DEF_LOC_2]], i32 2, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i8***, i{{64|32}})* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i8*** [[ARGC_ADDR]], i{{64|32}} %{{.+}})
143 // IRBUILDER:   call {{.*}}void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* [[DEF_LOC_2]], i32 2, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i{{64|32}}*, i8***)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i{{64|32}}* %{{.+}}, i8*** [[ARGC_ADDR]])
144 // ALL:  ret i32 0
145 // ALL-NEXT:  }
146 // ALL-DEBUG:       define linkonce_odr i32 [[TMAIN]](i8** %argc)
147 
148 // CHECK-DEBUG:       store i8** %argc, i8*** [[ARGC_ADDR:%.+]],
149 // CHECK-DEBUG:       call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @{{.*}}, i32 2, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i8***, i64)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i8*** [[ARGC_ADDR]], i64 %{{.+}})
150 // IRBUILDER-DEBUG:   call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @{{.*}}, i32 2, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i64*, i8***)* [[OMP_OUTLINED:@.+]] to void (i32*, i32*, ...)*), i64* %{{.+}}, i8*** [[ARGC_ADDR]])
151 // ALL-DEBUG:  ret i32 0
152 // ALL-DEBUG-NEXT:  }
153 
154 // CHECK:       define internal {{.*}}void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i8*** nonnull align {{[0-9]+}} dereferenceable({{4|8}}) %argc, i{{64|32}}{{.*}} %{{.+}})
155 // IRBUILDER:   define internal {{.*}}void [[OMP_OUTLINED]](i32* noalias %{{.*}}, i32* noalias %{{.*}}, i{{64|32}}*{{.*}} %{{.+}}, i8*** [[ARGC_REF:%.*]])
156 // CHECK:       store i8*** %argc, i8**** [[ARGC_PTR_ADDR:%.+]],
157 // CHECK:       [[ARGC_REF:%.+]] = load i8***, i8**** [[ARGC_PTR_ADDR]]
158 // ALL:         [[ARGC:%.+]] = load i8**, i8*** [[ARGC_REF]]
159 // CHECK-NEXT:  invoke {{.*}}void [[FOO1:@.+foo.+]](i8** [[ARGC]])
160 // IRBUILDER-NEXT: call {{.*}}void [[FOO1:@.+foo.+]](i8** [[ARGC]])
161 // CHECK:       ret void
162 // CHECK:       call {{.*}}void @{{.+terminate.*|abort}}(
163 // CHECK-NEXT:  unreachable
164 // CHECK-NEXT:  }
165 // CHECK-DEBUG:       define internal void [[OMP_OUTLINED_DEBUG:@.+]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i8*** nonnull align {{[0-9]+}} dereferenceable({{4|8}}) %argc, i64 %{{.+}})
166 // IRBUILDER-DEBUG:   define internal void [[OMP_OUTLINED_DEBUG:@.+]](i32* noalias %{{.*}}, i32* noalias %{{.*}}, i64* %{{.+}}, i8*** [[ARGC_REF:%.*]])
167 // CHECK-DEBUG:       store i8*** %argc, i8**** [[ARGC_PTR_ADDR:%.+]],
168 // CHECK-DEBUG:       [[ARGC_REF:%.+]] = load i8***, i8**** [[ARGC_PTR_ADDR]]
169 // ALL-DEBUG:         [[ARGC:%.+]] = load i8**, i8*** [[ARGC_REF]]
170 // CHECK-DEBUG-NEXT:  invoke void [[FOO1:@.+foo.+]](i8** [[ARGC]])
171 // IRBUILDER-DEBUG-NEXT:  call void [[FOO1:@.+foo.+]](i8** [[ARGC]])
172 // CHECK-DEBUG:       ret void
173 // CHECK-DEBUG:       call void @{{.+terminate.*|abort}}(
174 // CHECK-DEBUG-NEXT:  unreachable
175 // CHECK-DEBUG-NEXT:  }
176 
177 // ALL: define linkonce_odr {{.*}}void [[FOO1]](i8** %argc)
178 // CHECK-DEBUG-DAG: define linkonce_odr void [[FOO1]](i8** %argc)
179 // CHECK-DEBUG-DAG: define internal void [[OMP_OUTLINED]](i32* noalias %.global_tid., i32* noalias %.bound_tid., i8*** nonnull align {{[0-9]+}} dereferenceable({{4|8}}) %argc, i64 %{{.+}})
180 // CHECK-DEBUG-DAG: call void [[OMP_OUTLINED_DEBUG]]({{[^)]+}}){{[^,]*}}, !dbg
181 
182 // ALL: attributes #[[FN_ATTRS]] = {{.+}} nounwind
183 // ALL-DEBUG: attributes #[[FN_ATTRS]] = {{.+}} nounwind
184 // ALL: ![[cbid]] = !{![[cbidb:[0-9]+]]}
185 // ALL: ![[cbidb]] = !{i64 2, i64 -1, i64 -1, i1 true}
186 #endif
187