1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple %itanium_abi_triple -emit-llvm %s -fexceptions -fcxx-exceptions -o - -fsanitize-address-use-after-scope | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -emit-pch -o %t -fopenmp-version=50 %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - -fopenmp-version=50 | FileCheck %s
4 // expected-no-diagnostics
5 
6 // CHECK-NOT: ret i32 {{1|4}}
7 // CHECK-DAG: @_Z3barv = {{.*}}alias i32 (), i32 ()* @_Z3foov
8 // CHECK-DAG: @_ZN16SpecSpecialFuncs6MethodEv = {{.*}}alias i32 (%struct.SpecSpecialFuncs*), i32 (%struct.SpecSpecialFuncs*)* @_ZN16SpecSpecialFuncs7method_Ev
9 // CHECK-DAG: @_ZN16SpecSpecialFuncs6methodEv = linkonce_odr {{.*}}alias i32 (%struct.SpecSpecialFuncs*), i32 (%struct.SpecSpecialFuncs*)* @_ZN16SpecSpecialFuncs7method_Ev
10 // CHECK-DAG: @_ZN12SpecialFuncs6methodEv = linkonce_odr {{.*}}alias i32 (%struct.SpecialFuncs*), i32 (%struct.SpecialFuncs*)* @_ZN12SpecialFuncs7method_Ev
11 // CHECK-DAG: @_Z4callv = {{.*}}alias i32 (), i32 ()* @_Z4testv
12 // CHECK-DAG: @_ZL9stat_usedv = internal alias i32 (), i32 ()* @_ZL10stat_used_v
13 // CHECK-DAG: @_ZN12SpecialFuncs6MethodEv =  {{.*}}alias i32 (%struct.SpecialFuncs*), i32 (%struct.SpecialFuncs*)* @_ZN12SpecialFuncs7method_Ev
14 // CHECK-DAG: declare {{.*}}i32 @_Z5bazzzv()
15 // CHECK-DAG: declare {{.*}}i32 @_Z3bazv()
16 // CHECK-DAG: ret i32 2
17 // CHECK-DAG: ret i32 3
18 // CHECK-DAG: ret i32 5
19 // CHECK-DAG: ret i32 6
20 // CHECK-DAG: ret i32 7
21 // CHECK-NOT: ret i32 {{1|4}}
22 
23 #ifndef HEADER
24 #define HEADER
25 
26 int foo() { return 2; }
27 
28 #pragma omp declare variant(foo) match(implementation = {vendor(llvm)})
29 int bar() { return 1; }
30 
31 int bazzz();
32 #pragma omp declare variant(bazzz) match(implementation = {vendor(llvm)})
33 int baz() { return 1; }
34 
35 int test();
36 #pragma omp declare variant(test) match(implementation = {vendor(llvm)})
37 int call() { return 1; }
38 
39 static int stat_unused_();
40 #pragma omp declare variant(stat_unused_) match(implementation = {vendor(llvm)})
41 static int stat_unused() { return 1; }
42 
43 static int stat_used_();
44 #pragma omp declare variant(stat_used_) match(implementation = {vendor(llvm)})
45 static int stat_used() { return 1; }
46 
47 int main() { return bar() + baz() + call() + stat_used(); }
48 
49 int test() { return 3; }
50 static int stat_unused_() { return 4; }
51 static int stat_used_() { return 5; }
52 
53 struct SpecialFuncs {
54   void vd() {}
55   SpecialFuncs();
56   ~SpecialFuncs();
57 
58   int method_() { return 6; }
59 #pragma omp declare variant(SpecialFuncs::method_)                             \
60     match(implementation = {vendor(llvm)})
61   int method() { return 1; }
62 #pragma omp declare variant(SpecialFuncs::method_)                             \
63     match(implementation = {vendor(llvm)})
64   int Method();
65 } s;
66 
67 int SpecialFuncs::Method() { return 1; }
68 
69 struct SpecSpecialFuncs {
70   void vd() {}
71   SpecSpecialFuncs();
72   ~SpecSpecialFuncs();
73 
74   int method_();
75 #pragma omp declare variant(SpecSpecialFuncs::method_)                         \
76     match(implementation = {vendor(llvm)})
77   int method() { return 1; }
78 #pragma omp declare variant(SpecSpecialFuncs::method_)                         \
79     match(implementation = {vendor(llvm)})
80   int Method();
81 } s1;
82 
83 int SpecSpecialFuncs::method_() { return 7; }
84 int SpecSpecialFuncs::Method() { return 1; }
85 
86 void xxx() {
87   (void)s.method();
88   (void)s1.method();
89 }
90 
91 #endif // HEADER
92