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