1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -verify -ast-dump %s | FileCheck %s
2 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -verify -ast-dump %s -x c++| FileCheck %s
3 // expected-no-diagnostics
4
also_before(void)5 int also_before(void) {
6 return 0;
7 }
8
9 #pragma omp begin declare variant match(implementation={vendor(llvm)})
also_after(void)10 int also_after(void) {
11 return 1;
12 }
also_before(void)13 int also_before(void) {
14 return 2;
15 }
16 #pragma omp end declare variant
17
also_after(void)18 int also_after(void) {
19 return 0;
20 }
21
test(int (* fd)(void))22 int test(int (*fd)(void)) {
23 return fd();
24 }
main()25 int main() {
26 // Should return 0.
27 return test(also_after) +
28 test(also_before) +
29 test(&also_after) +
30 test(&also_before);
31 }
32
33 // Make sure:
34 // - we see the specialization in the AST
35 // - we pick the right callees
36
37 // CHECK: |-FunctionDecl [[ADDR_0:0x[a-z0-9]*]] <{{.*}}, line:7:1> line:5:5 used also_before 'int ({{.*}})'
38 // CHECK-NEXT: | |-CompoundStmt [[ADDR_1:0x[a-z0-9]*]] <col:23, line:7:1>
39 // CHECK-NEXT: | | `-ReturnStmt [[ADDR_2:0x[a-z0-9]*]] <line:6:3, col:10>
40 // CHECK-NEXT: | | `-IntegerLiteral [[ADDR_3:0x[a-z0-9]*]] <col:10> 'int' 0
41 // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_4:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(llvm)}
42 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_5:0x[a-z0-9]*]] <line:13:1> 'int ({{.*}})' Function [[ADDR_6:0x[a-z0-9]*]] 'also_before[implementation={vendor(llvm)}]' 'int ({{.*}})'
43 // CHECK-NEXT: |-FunctionDecl [[ADDR_7:0x[a-z0-9]*]] <line:10:1, col:20> col:5 implicit used also_after 'int ({{.*}})'
44 // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_8:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(llvm)}
45 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_9:0x[a-z0-9]*]] <col:1> 'int ({{.*}})' Function [[ADDR_10:0x[a-z0-9]*]] 'also_after[implementation={vendor(llvm)}]' 'int ({{.*}})'
46 // CHECK-NEXT: |-FunctionDecl [[ADDR_10]] <col:1, line:12:1> line:10:1 also_after[implementation={vendor(llvm)}] 'int ({{.*}})'
47 // CHECK-NEXT: | `-CompoundStmt [[ADDR_11:0x[a-z0-9]*]] <col:22, line:12:1>
48 // CHECK-NEXT: | `-ReturnStmt [[ADDR_12:0x[a-z0-9]*]] <line:11:3, col:10>
49 // CHECK-NEXT: | `-IntegerLiteral [[ADDR_13:0x[a-z0-9]*]] <col:10> 'int' 1
50 // CHECK-NEXT: |-FunctionDecl [[ADDR_6]] <line:13:1, line:15:1> line:13:1 also_before[implementation={vendor(llvm)}] 'int ({{.*}})'
51 // CHECK-NEXT: | `-CompoundStmt [[ADDR_14:0x[a-z0-9]*]] <col:23, line:15:1>
52 // CHECK-NEXT: | `-ReturnStmt [[ADDR_15:0x[a-z0-9]*]] <line:14:3, col:10>
53 // CHECK-NEXT: | `-IntegerLiteral [[ADDR_16:0x[a-z0-9]*]] <col:10> 'int' 2
54 // CHECK-NEXT: |-FunctionDecl [[ADDR_17:0x[a-z0-9]*]] prev [[ADDR_7]] <line:18:1, line:20:1> line:18:5 used also_after 'int ({{.*}})'
55 // CHECK-NEXT: | |-CompoundStmt [[ADDR_18:0x[a-z0-9]*]] <col:22, line:20:1>
56 // CHECK-NEXT: | | `-ReturnStmt [[ADDR_19:0x[a-z0-9]*]] <line:19:3, col:10>
57 // CHECK-NEXT: | | `-IntegerLiteral [[ADDR_20:0x[a-z0-9]*]] <col:10> 'int' 0
58 // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_21:0x[a-z0-9]*]] <<invalid sloc>> Inherited Implicit implementation={vendor(llvm)}
59 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_9]] <line:10:1> 'int ({{.*}})' Function [[ADDR_10]] 'also_after[implementation={vendor(llvm)}]' 'int ({{.*}})'
60 // CHECK-NEXT: |-FunctionDecl [[ADDR_22:0x[a-z0-9]*]] <line:22:1, line:24:1> line:22:5 used test 'int (int (*)({{.*}}))'
61 // CHECK-NEXT: | |-ParmVarDecl [[ADDR_23:0x[a-z0-9]*]] <col:10, col:24> col:16 used fd 'int (*)({{.*}})'
62 // CHECK-NEXT: | `-CompoundStmt [[ADDR_24:0x[a-z0-9]*]] <col:27, line:24:1>
63 // CHECK-NEXT: | `-ReturnStmt [[ADDR_25:0x[a-z0-9]*]] <line:23:3, col:13>
64 // CHECK-NEXT: | `-CallExpr [[ADDR_26:0x[a-z0-9]*]] <col:10, col:13> 'int'
65 // CHECK-NEXT: | `-ImplicitCastExpr [[ADDR_27:0x[a-z0-9]*]] <col:10> 'int (*)({{.*}})' <LValueToRValue>
66 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_28:0x[a-z0-9]*]] <col:10> 'int (*)({{.*}})' {{.*}}ParmVar [[ADDR_23]] 'fd' 'int (*)({{.*}})'
67 // CHECK-NEXT: `-FunctionDecl [[ADDR_29:0x[a-z0-9]*]] <line:25:1, line:31:1> line:25:5 main 'int ({{.*}})'
68 // CHECK-NEXT: `-CompoundStmt [[ADDR_30:0x[a-z0-9]*]] <col:12, line:31:1>
69 // CHECK-NEXT: `-ReturnStmt [[ADDR_31:0x[a-z0-9]*]] <line:27:3, line:30:27>
70 // CHECK-NEXT: `-BinaryOperator [[ADDR_32:0x[a-z0-9]*]] <line:27:10, line:30:27> 'int' '+'
71 // CHECK-NEXT: |-BinaryOperator [[ADDR_33:0x[a-z0-9]*]] <line:27:10, line:29:26> 'int' '+'
72 // CHECK-NEXT: | |-BinaryOperator [[ADDR_34:0x[a-z0-9]*]] <line:27:10, line:28:26> 'int' '+'
73 // CHECK-NEXT: | | |-CallExpr [[ADDR_35:0x[a-z0-9]*]] <line:27:10, col:25> 'int'
74 // CHECK-NEXT: | | | |-ImplicitCastExpr [[ADDR_36:0x[a-z0-9]*]] <col:10> 'int (*)(int (*)({{.*}}))' <FunctionToPointerDecay>
75 // CHECK-NEXT: | | | | `-DeclRefExpr [[ADDR_37:0x[a-z0-9]*]] <col:10> 'int (int (*)({{.*}}))' {{.*}}Function [[ADDR_22]] 'test' 'int (int (*)({{.*}}))'
76 // CHECK-NEXT: | | | `-ImplicitCastExpr [[ADDR_38:0x[a-z0-9]*]] <col:15> 'int (*)({{.*}})' <FunctionToPointerDecay>
77 // CHECK-NEXT: | | | `-DeclRefExpr [[ADDR_39:0x[a-z0-9]*]] <col:15> 'int ({{.*}})' {{.*}}Function [[ADDR_17]] 'also_after' 'int ({{.*}})'
78 // CHECK-NEXT: | | `-CallExpr [[ADDR_40:0x[a-z0-9]*]] <line:28:10, col:26> 'int'
79 // CHECK-NEXT: | | |-ImplicitCastExpr [[ADDR_41:0x[a-z0-9]*]] <col:10> 'int (*)(int (*)({{.*}}))' <FunctionToPointerDecay>
80 // CHECK-NEXT: | | | `-DeclRefExpr [[ADDR_42:0x[a-z0-9]*]] <col:10> 'int (int (*)({{.*}}))' {{.*}}Function [[ADDR_22]] 'test' 'int (int (*)({{.*}}))'
81 // CHECK-NEXT: | | `-ImplicitCastExpr [[ADDR_43:0x[a-z0-9]*]] <col:15> 'int (*)({{.*}})' <FunctionToPointerDecay>
82 // CHECK-NEXT: | | `-DeclRefExpr [[ADDR_44:0x[a-z0-9]*]] <col:15> 'int ({{.*}})' {{.*}}Function [[ADDR_0]] 'also_before' 'int ({{.*}})'
83 // CHECK-NEXT: | `-CallExpr [[ADDR_45:0x[a-z0-9]*]] <line:29:10, col:26> 'int'
84 // CHECK-NEXT: | |-ImplicitCastExpr [[ADDR_46:0x[a-z0-9]*]] <col:10> 'int (*)(int (*)({{.*}}))' <FunctionToPointerDecay>
85 // CHECK-NEXT: | | `-DeclRefExpr [[ADDR_47:0x[a-z0-9]*]] <col:10> 'int (int (*)({{.*}}))' {{.*}}Function [[ADDR_22]] 'test' 'int (int (*)({{.*}}))'
86 // CHECK-NEXT: | `-UnaryOperator [[ADDR_48:0x[a-z0-9]*]] <col:15, col:16> 'int (*)({{.*}})' prefix '&' cannot overflow
87 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_49:0x[a-z0-9]*]] <col:16> 'int ({{.*}})' {{.*}}Function [[ADDR_17]] 'also_after' 'int ({{.*}})'
88 // CHECK-NEXT: `-CallExpr [[ADDR_50:0x[a-z0-9]*]] <line:30:10, col:27> 'int'
89 // CHECK-NEXT: |-ImplicitCastExpr [[ADDR_51:0x[a-z0-9]*]] <col:10> 'int (*)(int (*)({{.*}}))' <FunctionToPointerDecay>
90 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_52:0x[a-z0-9]*]] <col:10> 'int (int (*)({{.*}}))' {{.*}}Function [[ADDR_22]] 'test' 'int (int (*)({{.*}}))'
91 // CHECK-NEXT: `-UnaryOperator [[ADDR_53:0x[a-z0-9]*]] <col:15, col:16> 'int (*)({{.*}})' prefix '&' cannot overflow
92 // CHECK-NEXT: `-DeclRefExpr [[ADDR_54:0x[a-z0-9]*]] <col:16> 'int ({{.*}})' {{.*}}Function [[ADDR_0]] 'also_before' 'int ({{.*}})'
93