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
5 int OK_1(void);
6
7 #pragma omp begin declare variant match(implementation={vendor(intel)})
OK_1(void)8 int OK_1(void) {
9 return 1;
10 }
OK_2(void)11 int OK_2(void) {
12 return 1;
13 }
not_OK(void)14 int not_OK(void) {
15 return 1;
16 }
OK_3(void)17 int OK_3(void) {
18 return 1;
19 }
20 #pragma omp end declare variant
21
22 int OK_3(void);
23
test()24 int test() {
25 // Should cause an error due to not_OK()
26 return OK_1() + not_OK() + OK_3();
27 }
28
29 // Make sure:
30 // - we see a single error for `not_OK`
31 // - we do not see errors for OK_{1,2,3}
32 // FIXME: We actually do not see there error here.
33 // This case is unlikely to happen in practise and hard to diagnose during SEMA.
34 // We will issue an error during code generation instead. This is similar to the
35 // diagnosis in other multi-versioning schemes.
36
37 // CHECK: |-FunctionDecl [[ADDR_0:0x[a-z0-9]*]] <{{.*}}, col:14> col:5 used OK_1 'int ({{.*}})'
38 // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_1:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(intel)}
39 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_2:0x[a-z0-9]*]] <line:8:1> 'int ({{.*}})' Function [[ADDR_3:0x[a-z0-9]*]] 'OK_1[implementation={vendor(intel)}]' 'int ({{.*}})'
40 // CHECK-NEXT: |-FunctionDecl [[ADDR_3]] <col:1, line:10:1> line:8:1 OK_1[implementation={vendor(intel)}] 'int ({{.*}})'
41 // CHECK-NEXT: | `-CompoundStmt [[ADDR_4:0x[a-z0-9]*]] <col:16, line:10:1>
42 // CHECK-NEXT: | `-ReturnStmt [[ADDR_5:0x[a-z0-9]*]] <line:9:3, col:10>
43 // CHECK-NEXT: | `-IntegerLiteral [[ADDR_6:0x[a-z0-9]*]] <col:10> 'int' 1
44 // CHECK-NEXT: |-FunctionDecl [[ADDR_7:0x[a-z0-9]*]] <line:11:1, col:14> col:5 implicit OK_2 'int ({{.*}})'
45 // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_8:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(intel)}
46 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_9:0x[a-z0-9]*]] <col:1> 'int ({{.*}})' Function [[ADDR_10:0x[a-z0-9]*]] 'OK_2[implementation={vendor(intel)}]' 'int ({{.*}})'
47 // CHECK-NEXT: |-FunctionDecl [[ADDR_10]] <col:1, line:13:1> line:11:1 OK_2[implementation={vendor(intel)}] 'int ({{.*}})'
48 // CHECK-NEXT: | `-CompoundStmt [[ADDR_11:0x[a-z0-9]*]] <col:16, line:13:1>
49 // CHECK-NEXT: | `-ReturnStmt [[ADDR_12:0x[a-z0-9]*]] <line:12:3, col:10>
50 // CHECK-NEXT: | `-IntegerLiteral [[ADDR_13:0x[a-z0-9]*]] <col:10> 'int' 1
51 // CHECK-NEXT: |-FunctionDecl [[ADDR_14:0x[a-z0-9]*]] <line:14:1, col:16> col:5 implicit used not_OK 'int ({{.*}})'
52 // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_15:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(intel)}
53 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_16:0x[a-z0-9]*]] <col:1> 'int ({{.*}})' Function [[ADDR_17:0x[a-z0-9]*]] 'not_OK[implementation={vendor(intel)}]' 'int ({{.*}})'
54 // CHECK-NEXT: |-FunctionDecl [[ADDR_17]] <col:1, line:16:1> line:14:1 not_OK[implementation={vendor(intel)}] 'int ({{.*}})'
55 // CHECK-NEXT: | `-CompoundStmt [[ADDR_18:0x[a-z0-9]*]] <col:18, line:16:1>
56 // CHECK-NEXT: | `-ReturnStmt [[ADDR_19:0x[a-z0-9]*]] <line:15:3, col:10>
57 // CHECK-NEXT: | `-IntegerLiteral [[ADDR_20:0x[a-z0-9]*]] <col:10> 'int' 1
58 // CHECK-NEXT: |-FunctionDecl [[ADDR_21:0x[a-z0-9]*]] <line:17:1, col:14> col:5 implicit used OK_3 'int ({{.*}})'
59 // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_22:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(intel)}
60 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_23:0x[a-z0-9]*]] <col:1> 'int ({{.*}})' Function [[ADDR_24:0x[a-z0-9]*]] 'OK_3[implementation={vendor(intel)}]' 'int ({{.*}})'
61 // CHECK-NEXT: |-FunctionDecl [[ADDR_24]] <col:1, line:19:1> line:17:1 OK_3[implementation={vendor(intel)}] 'int ({{.*}})'
62 // CHECK-NEXT: | `-CompoundStmt [[ADDR_25:0x[a-z0-9]*]] <col:16, line:19:1>
63 // CHECK-NEXT: | `-ReturnStmt [[ADDR_26:0x[a-z0-9]*]] <line:18:3, col:10>
64 // CHECK-NEXT: | `-IntegerLiteral [[ADDR_27:0x[a-z0-9]*]] <col:10> 'int' 1
65 // CHECK-NEXT: |-FunctionDecl [[ADDR_28:0x[a-z0-9]*]] prev [[ADDR_21]] <line:22:1, col:14> col:5 used OK_3 'int ({{.*}})'
66 // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_29:0x[a-z0-9]*]] <<invalid sloc>> Inherited Implicit implementation={vendor(intel)}
67 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_23]] <line:17:1> 'int ({{.*}})' Function [[ADDR_24]] 'OK_3[implementation={vendor(intel)}]' 'int ({{.*}})'
68 // CHECK-NEXT: `-FunctionDecl [[ADDR_30:0x[a-z0-9]*]] <line:24:1, line:27:1> line:24:5 test 'int ({{.*}})'
69 // CHECK-NEXT: `-CompoundStmt [[ADDR_31:0x[a-z0-9]*]] <col:12, line:27:1>
70 // CHECK-NEXT: `-ReturnStmt [[ADDR_32:0x[a-z0-9]*]] <line:26:3, col:35>
71 // CHECK-NEXT: `-BinaryOperator [[ADDR_33:0x[a-z0-9]*]] <col:10, col:35> 'int' '+'
72 // CHECK-NEXT: |-BinaryOperator [[ADDR_34:0x[a-z0-9]*]] <col:10, col:26> 'int' '+'
73 // CHECK-NEXT: | |-CallExpr [[ADDR_35:0x[a-z0-9]*]] <col:10, col:15> 'int'
74 // CHECK-NEXT: | | `-ImplicitCastExpr [[ADDR_36:0x[a-z0-9]*]] <col:10> 'int (*)({{.*}})' <FunctionToPointerDecay>
75 // CHECK-NEXT: | | `-DeclRefExpr [[ADDR_37:0x[a-z0-9]*]] <col:10> 'int ({{.*}})' {{.*}}Function [[ADDR_0]] 'OK_1' 'int ({{.*}})'
76 // CHECK-NEXT: | `-CallExpr [[ADDR_38:0x[a-z0-9]*]] <col:19, col:26> 'int'
77 // CHECK-NEXT: | `-ImplicitCastExpr [[ADDR_39:0x[a-z0-9]*]] <col:19> 'int (*)({{.*}})' <FunctionToPointerDecay>
78 // CHECK-NEXT: | `-DeclRefExpr [[ADDR_40:0x[a-z0-9]*]] <col:19> 'int ({{.*}})' {{.*}}Function [[ADDR_14]] 'not_OK' 'int ({{.*}})'
79 // CHECK-NEXT: `-CallExpr [[ADDR_41:0x[a-z0-9]*]] <col:30, col:35> 'int'
80 // CHECK-NEXT: `-ImplicitCastExpr [[ADDR_42:0x[a-z0-9]*]] <col:30> 'int (*)({{.*}})' <FunctionToPointerDecay>
81 // CHECK-NEXT: `-DeclRefExpr [[ADDR_43:0x[a-z0-9]*]] <col:30> 'int ({{.*}})' {{.*}}Function [[ADDR_28]] 'OK_3' 'int ({{.*}})'
82