|  | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -verify -ast-dump %s       | FileCheck %s | 
|  | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -verify -ast-dump %s -x c++| FileCheck %s | 
|  | // expected-no-diagnostics | 
|  |  | 
|  | int OK_1(void); | 
|  |  | 
|  | #pragma omp begin declare variant match(implementation={vendor(intel)}) | 
|  | int OK_1(void) { | 
|  | return 1; | 
|  | } | 
|  | int OK_2(void) { | 
|  | return 1; | 
|  | } | 
|  | int not_OK(void) { | 
|  | return 1; | 
|  | } | 
|  | int OK_3(void) { | 
|  | return 1; | 
|  | } | 
|  | #pragma omp end declare variant | 
|  |  | 
|  | int OK_3(void); | 
|  |  | 
|  | int test(void) { | 
|  | // Should cause an error due to not_OK() | 
|  | return OK_1() + not_OK() + OK_3(); | 
|  | } | 
|  |  | 
|  | // Make sure: | 
|  | //  - we see a single error for `not_OK` | 
|  | //  - we do not see errors for OK_{1,2,3} | 
|  | //  FIXME: We actually do not see there error here. | 
|  | //         This case is unlikely to happen in practise and hard to diagnose during SEMA. | 
|  | //         We will issue an error during code generation instead. This is similar to the | 
|  | //         diagnosis in other multi-versioning schemes. | 
|  |  | 
|  | // CHECK:      |-FunctionDecl [[ADDR_0:0x[a-z0-9]*]] <{{.*}}, col:14> col:5 used OK_1 'int ({{.*}})' | 
|  | // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_1:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(intel)} | 
|  | // 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 ({{.*}})' | 
|  | // CHECK-NEXT: |-FunctionDecl [[ADDR_3]] <col:1, line:10:1> line:8:1 OK_1[implementation={vendor(intel)}] 'int ({{.*}})' | 
|  | // CHECK-NEXT: | `-CompoundStmt [[ADDR_4:0x[a-z0-9]*]] <col:16, line:10:1> | 
|  | // CHECK-NEXT: |   `-ReturnStmt [[ADDR_5:0x[a-z0-9]*]] <line:9:3, col:10> | 
|  | // CHECK-NEXT: |     `-IntegerLiteral [[ADDR_6:0x[a-z0-9]*]] <col:10> 'int' 1 | 
|  | // CHECK-NEXT: |-FunctionDecl [[ADDR_7:0x[a-z0-9]*]] <line:11:1, col:14> col:5 implicit OK_2 'int ({{.*}})' | 
|  | // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_8:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(intel)} | 
|  | // 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 ({{.*}})' | 
|  | // CHECK-NEXT: |-FunctionDecl [[ADDR_10]] <col:1, line:13:1> line:11:1 OK_2[implementation={vendor(intel)}] 'int ({{.*}})' | 
|  | // CHECK-NEXT: | `-CompoundStmt [[ADDR_11:0x[a-z0-9]*]] <col:16, line:13:1> | 
|  | // CHECK-NEXT: |   `-ReturnStmt [[ADDR_12:0x[a-z0-9]*]] <line:12:3, col:10> | 
|  | // CHECK-NEXT: |     `-IntegerLiteral [[ADDR_13:0x[a-z0-9]*]] <col:10> 'int' 1 | 
|  | // CHECK-NEXT: |-FunctionDecl [[ADDR_14:0x[a-z0-9]*]] <line:14:1, col:16> col:5 implicit used not_OK 'int ({{.*}})' | 
|  | // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_15:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(intel)} | 
|  | // 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 ({{.*}})' | 
|  | // CHECK-NEXT: |-FunctionDecl [[ADDR_17]] <col:1, line:16:1> line:14:1 not_OK[implementation={vendor(intel)}] 'int ({{.*}})' | 
|  | // CHECK-NEXT: | `-CompoundStmt [[ADDR_18:0x[a-z0-9]*]] <col:18, line:16:1> | 
|  | // CHECK-NEXT: |   `-ReturnStmt [[ADDR_19:0x[a-z0-9]*]] <line:15:3, col:10> | 
|  | // CHECK-NEXT: |     `-IntegerLiteral [[ADDR_20:0x[a-z0-9]*]] <col:10> 'int' 1 | 
|  | // CHECK-NEXT: |-FunctionDecl [[ADDR_21:0x[a-z0-9]*]] <line:17:1, col:14> col:5 implicit used OK_3 'int ({{.*}})' | 
|  | // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_22:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(intel)} | 
|  | // 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 ({{.*}})' | 
|  | // CHECK-NEXT: |-FunctionDecl [[ADDR_24]] <col:1, line:19:1> line:17:1 OK_3[implementation={vendor(intel)}] 'int ({{.*}})' | 
|  | // CHECK-NEXT: | `-CompoundStmt [[ADDR_25:0x[a-z0-9]*]] <col:16, line:19:1> | 
|  | // CHECK-NEXT: |   `-ReturnStmt [[ADDR_26:0x[a-z0-9]*]] <line:18:3, col:10> | 
|  | // CHECK-NEXT: |     `-IntegerLiteral [[ADDR_27:0x[a-z0-9]*]] <col:10> 'int' 1 | 
|  | // CHECK-NEXT: |-FunctionDecl [[ADDR_28:0x[a-z0-9]*]] prev [[ADDR_21]] <line:22:1, col:14> col:5 used OK_3 'int ({{.*}})' | 
|  | // CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_29:0x[a-z0-9]*]] <<invalid sloc>> Inherited Implicit implementation={vendor(intel)} | 
|  | // CHECK-NEXT: |   `-DeclRefExpr [[ADDR_23]] <line:17:1> 'int ({{.*}})' Function [[ADDR_24]] 'OK_3[implementation={vendor(intel)}]' 'int ({{.*}})' | 
|  | // CHECK-NEXT: `-FunctionDecl [[ADDR_30:0x[a-z0-9]*]] <line:24:1, line:27:1> line:24:5 test 'int ({{.*}})' | 
|  | // CHECK-NEXT:   `-CompoundStmt [[ADDR_31:0x[a-z0-9]*]] <col:16, line:27:1> | 
|  | // CHECK-NEXT:     `-ReturnStmt [[ADDR_32:0x[a-z0-9]*]] <line:26:3, col:35> | 
|  | // CHECK-NEXT:       `-BinaryOperator [[ADDR_33:0x[a-z0-9]*]] <col:10, col:35> 'int' '+' | 
|  | // CHECK-NEXT:         |-BinaryOperator [[ADDR_34:0x[a-z0-9]*]] <col:10, col:26> 'int' '+' | 
|  | // CHECK-NEXT:         | |-CallExpr [[ADDR_35:0x[a-z0-9]*]] <col:10, col:15> 'int' | 
|  | // CHECK-NEXT:         | | `-ImplicitCastExpr [[ADDR_36:0x[a-z0-9]*]] <col:10> 'int (*)({{.*}})' <FunctionToPointerDecay> | 
|  | // CHECK-NEXT:         | |   `-DeclRefExpr [[ADDR_37:0x[a-z0-9]*]] <col:10> 'int ({{.*}})' {{.*}}Function [[ADDR_0]] 'OK_1' 'int ({{.*}})' | 
|  | // CHECK-NEXT:         | `-CallExpr [[ADDR_38:0x[a-z0-9]*]] <col:19, col:26> 'int' | 
|  | // CHECK-NEXT:         |   `-ImplicitCastExpr [[ADDR_39:0x[a-z0-9]*]] <col:19> 'int (*)({{.*}})' <FunctionToPointerDecay> | 
|  | // CHECK-NEXT:         |     `-DeclRefExpr [[ADDR_40:0x[a-z0-9]*]] <col:19> 'int ({{.*}})' {{.*}}Function [[ADDR_14]] 'not_OK' 'int ({{.*}})' | 
|  | // CHECK-NEXT:         `-CallExpr [[ADDR_41:0x[a-z0-9]*]] <col:30, col:35> 'int' | 
|  | // CHECK-NEXT:           `-ImplicitCastExpr [[ADDR_42:0x[a-z0-9]*]] <col:30> 'int (*)({{.*}})' <FunctionToPointerDecay> | 
|  | // CHECK-NEXT:             `-DeclRefExpr [[ADDR_43:0x[a-z0-9]*]] <col:30> 'int ({{.*}})' {{.*}}Function [[ADDR_28]] 'OK_3' 'int ({{.*}})' |