183 lines
15 KiB
C
183 lines
15 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -verify -ast-dump %s | FileCheck %s --check-prefix=C
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// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -verify -ast-dump %s -x c++| FileCheck %s --check-prefix=CXX
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// expected-no-diagnostics
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int also_before(void) {
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return 0;
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}
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#pragma omp begin declare variant match(implementation={vendor(llvm)})
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int also_after(void) {
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return 1;
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}
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int also_before(void) {
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return 2;
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}
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#pragma omp end declare variant
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int also_after(void) {
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return 0;
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}
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void foo();
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typedef int(*fd)(void);
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int main() {
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// Should return 0.
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fd fns[2];
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fns[0] = &also_before;
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fns[1] = also_after;
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return (foo(), also_after)() +
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(fns[0])() +
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(1[fns])();
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}
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// Make sure:
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// - we see the specialization in the AST
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// - we pick the right callees
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// C: |-FunctionDecl [[ADDR_0:0x[a-z0-9]*]] <{{.*}}, line:7:1> line:5:5 used also_before 'int ({{.*}})'
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// C-NEXT: | |-CompoundStmt [[ADDR_1:0x[a-z0-9]*]] <col:23, line:7:1>
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// C-NEXT: | | `-ReturnStmt [[ADDR_2:0x[a-z0-9]*]] <line:6:3, col:10>
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// C-NEXT: | | `-IntegerLiteral [[ADDR_3:0x[a-z0-9]*]] <col:10> 'int' 0
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// C-NEXT: | `-OMPDeclareVariantAttr [[ADDR_4:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(llvm)}
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// C-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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// C-NEXT: |-FunctionDecl [[ADDR_7:0x[a-z0-9]*]] <line:10:1, col:20> col:5 implicit used also_after 'int ({{.*}})'
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// C-NEXT: | `-OMPDeclareVariantAttr [[ADDR_8:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(llvm)}
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// C-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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// C-NEXT: |-FunctionDecl [[ADDR_10]] <col:1, line:12:1> line:10:1 also_after[implementation={vendor(llvm)}] 'int ({{.*}})'
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// C-NEXT: | `-CompoundStmt [[ADDR_11:0x[a-z0-9]*]] <col:22, line:12:1>
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// C-NEXT: | `-ReturnStmt [[ADDR_12:0x[a-z0-9]*]] <line:11:3, col:10>
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// C-NEXT: | `-IntegerLiteral [[ADDR_13:0x[a-z0-9]*]] <col:10> 'int' 1
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// C-NEXT: |-FunctionDecl [[ADDR_6]] <line:13:1, line:15:1> line:13:1 also_before[implementation={vendor(llvm)}] 'int ({{.*}})'
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// C-NEXT: | `-CompoundStmt [[ADDR_14:0x[a-z0-9]*]] <col:23, line:15:1>
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// C-NEXT: | `-ReturnStmt [[ADDR_15:0x[a-z0-9]*]] <line:14:3, col:10>
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// C-NEXT: | `-IntegerLiteral [[ADDR_16:0x[a-z0-9]*]] <col:10> 'int' 2
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// C-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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// C-NEXT: | |-CompoundStmt [[ADDR_18:0x[a-z0-9]*]] <col:22, line:20:1>
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// C-NEXT: | | `-ReturnStmt [[ADDR_19:0x[a-z0-9]*]] <line:19:3, col:10>
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// C-NEXT: | | `-IntegerLiteral [[ADDR_20:0x[a-z0-9]*]] <col:10> 'int' 0
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// C-NEXT: | `-OMPDeclareVariantAttr [[ADDR_21:0x[a-z0-9]*]] <<invalid sloc>> Inherited Implicit implementation={vendor(llvm)}
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// C-NEXT: | `-DeclRefExpr [[ADDR_9]] <line:10:1> 'int ({{.*}})' Function [[ADDR_10]] 'also_after[implementation={vendor(llvm)}]' 'int ({{.*}})'
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// C-NEXT: |-FunctionDecl [[ADDR_22:0x[a-z0-9]*]] <line:22:1, col:10> col:6 used foo 'void ({{.*}})'
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// C-NEXT: |-TypedefDecl [[ADDR_23:0x[a-z0-9]*]] <line:23:1, col:22> col:14 referenced fd 'int (*)({{.*}})'
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// C-NEXT: | `-PointerType [[ADDR_24:0x[a-z0-9]*]] 'int (*)({{.*}})'
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// C-NEXT: | `-ParenType [[ADDR_25:0x[a-z0-9]*]] 'int ({{.*}})' sugar
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// C-NEXT: | `-FunctionProtoType [[ADDR_26:0x[a-z0-9]*]] 'int ({{.*}})' cdecl
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// C-NEXT: | `-BuiltinType [[ADDR_27:0x[a-z0-9]*]] 'int'
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// C-NEXT: `-FunctionDecl [[ADDR_28:0x[a-z0-9]*]] <line:24:1, line:32:1> line:24:5 main 'int ({{.*}})'
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// C-NEXT: `-CompoundStmt [[ADDR_29:0x[a-z0-9]*]] <col:12, line:32:1>
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// C-NEXT: |-DeclStmt [[ADDR_30:0x[a-z0-9]*]] <line:26:3, col:12>
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// C-NEXT: | `-VarDecl [[ADDR_31:0x[a-z0-9]*]] <col:3, col:11> col:6 used fns 'fd [2]'
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// C-NEXT: |-BinaryOperator [[ADDR_32:0x[a-z0-9]*]] <line:27:3, col:13> 'fd':'int (*)({{.*}})' '='
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// C-NEXT: | |-ArraySubscriptExpr [[ADDR_33:0x[a-z0-9]*]] <col:3, col:8> 'fd':'int (*)({{.*}})' lvalue
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// C-NEXT: | | |-ImplicitCastExpr [[ADDR_34:0x[a-z0-9]*]] <col:3> 'fd *' <ArrayToPointerDecay>
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// C-NEXT: | | | `-DeclRefExpr [[ADDR_35:0x[a-z0-9]*]] <col:3> 'fd [2]' {{.*}}Var [[ADDR_31]] 'fns' 'fd [2]'
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// C-NEXT: | | `-IntegerLiteral [[ADDR_36:0x[a-z0-9]*]] <col:7> 'int' 0
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// C-NEXT: | `-UnaryOperator [[ADDR_37:0x[a-z0-9]*]] <col:12, col:13> 'int (*)({{.*}})' prefix '&' cannot overflow
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// C-NEXT: | `-DeclRefExpr [[ADDR_38:0x[a-z0-9]*]] <col:13> 'int ({{.*}})' Function [[ADDR_0]] 'also_before' 'int ({{.*}})'
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// C-NEXT: |-BinaryOperator [[ADDR_39:0x[a-z0-9]*]] <line:28:3, col:12> 'fd':'int (*)({{.*}})' '='
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// C-NEXT: | |-ArraySubscriptExpr [[ADDR_40:0x[a-z0-9]*]] <col:3, col:8> 'fd':'int (*)({{.*}})' lvalue
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// C-NEXT: | | |-ImplicitCastExpr [[ADDR_41:0x[a-z0-9]*]] <col:3> 'fd *' <ArrayToPointerDecay>
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// C-NEXT: | | | `-DeclRefExpr [[ADDR_42:0x[a-z0-9]*]] <col:3> 'fd [2]' {{.*}}Var [[ADDR_31]] 'fns' 'fd [2]'
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// C-NEXT: | | `-IntegerLiteral [[ADDR_43:0x[a-z0-9]*]] <col:7> 'int' 1
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// C-NEXT: | `-ImplicitCastExpr [[ADDR_44:0x[a-z0-9]*]] <col:12> 'int (*)({{.*}})' <FunctionToPointerDecay>
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// C-NEXT: | `-DeclRefExpr [[ADDR_45:0x[a-z0-9]*]] <col:12> 'int ({{.*}})' Function [[ADDR_17]] 'also_after' 'int ({{.*}})'
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// C-NEXT: `-ReturnStmt [[ADDR_46:0x[a-z0-9]*]] <line:29:3, line:31:19>
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// C-NEXT: `-BinaryOperator [[ADDR_47:0x[a-z0-9]*]] <line:29:10, line:31:19> 'int' '+'
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// C-NEXT: |-BinaryOperator [[ADDR_48:0x[a-z0-9]*]] <line:29:10, line:30:19> 'int' '+'
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// C-NEXT: | |-CallExpr [[ADDR_49:0x[a-z0-9]*]] <line:29:10, col:30> 'int'
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// C-NEXT: | | `-ParenExpr [[ADDR_50:0x[a-z0-9]*]] <col:10, col:28> 'int (*)({{.*}})'
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// C-NEXT: | | `-BinaryOperator [[ADDR_51:0x[a-z0-9]*]] <col:11, col:18> 'int (*)({{.*}})' ','
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// C-NEXT: | | |-CallExpr [[ADDR_52:0x[a-z0-9]*]] <col:11, col:15> 'void'
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// C-NEXT: | | | `-ImplicitCastExpr [[ADDR_53:0x[a-z0-9]*]] <col:11> 'void (*)({{.*}})' <FunctionToPointerDecay>
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// C-NEXT: | | | `-DeclRefExpr [[ADDR_54:0x[a-z0-9]*]] <col:11> 'void ({{.*}})' Function [[ADDR_22]] 'foo' 'void ({{.*}})'
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// C-NEXT: | | `-ImplicitCastExpr [[ADDR_55:0x[a-z0-9]*]] <col:18> 'int (*)({{.*}})' <FunctionToPointerDecay>
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// C-NEXT: | | `-DeclRefExpr [[ADDR_56:0x[a-z0-9]*]] <col:18> 'int ({{.*}})' Function [[ADDR_17]] 'also_after' 'int ({{.*}})'
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// C-NEXT: | `-CallExpr [[ADDR_57:0x[a-z0-9]*]] <line:30:10, col:19> 'int'
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// C-NEXT: | `-ImplicitCastExpr [[ADDR_58:0x[a-z0-9]*]] <col:10, col:17> 'fd':'int (*)({{.*}})' <LValueToRValue>
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// C-NEXT: | `-ParenExpr [[ADDR_59:0x[a-z0-9]*]] <col:10, col:17> 'fd':'int (*)({{.*}})' lvalue
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// C-NEXT: | `-ArraySubscriptExpr [[ADDR_60:0x[a-z0-9]*]] <col:11, col:16> 'fd':'int (*)({{.*}})' lvalue
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// C-NEXT: | |-ImplicitCastExpr [[ADDR_61:0x[a-z0-9]*]] <col:11> 'fd *' <ArrayToPointerDecay>
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// C-NEXT: | | `-DeclRefExpr [[ADDR_62:0x[a-z0-9]*]] <col:11> 'fd [2]' {{.*}}Var [[ADDR_31]] 'fns' 'fd [2]'
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// C-NEXT: | `-IntegerLiteral [[ADDR_63:0x[a-z0-9]*]] <col:15> 'int' 0
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// C-NEXT: `-CallExpr [[ADDR_64:0x[a-z0-9]*]] <line:31:10, col:19> 'int'
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// C-NEXT: `-ImplicitCastExpr [[ADDR_65:0x[a-z0-9]*]] <col:10, col:17> 'fd':'int (*)({{.*}})' <LValueToRValue>
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// C-NEXT: `-ParenExpr [[ADDR_66:0x[a-z0-9]*]] <col:10, col:17> 'fd':'int (*)({{.*}})' lvalue
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// C-NEXT: `-ArraySubscriptExpr [[ADDR_67:0x[a-z0-9]*]] <col:11, col:16> 'fd':'int (*)({{.*}})' lvalue
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// C-NEXT: |-IntegerLiteral [[ADDR_68:0x[a-z0-9]*]] <col:11> 'int' 1
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// C-NEXT: `-ImplicitCastExpr [[ADDR_69:0x[a-z0-9]*]] <col:13> 'fd *' <ArrayToPointerDecay>
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// C-NEXT: `-DeclRefExpr [[ADDR_70:0x[a-z0-9]*]] <col:13> 'fd [2]' {{.*}}Var [[ADDR_31]] 'fns' 'fd [2]'
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// CXX: |-FunctionDecl [[ADDR_0:0x[a-z0-9]*]] <{{.*}}, line:7:1> line:5:5 used also_before 'int ({{.*}})'
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// CXX-NEXT: | |-CompoundStmt [[ADDR_1:0x[a-z0-9]*]] <col:23, line:7:1>
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// CXX-NEXT: | | `-ReturnStmt [[ADDR_2:0x[a-z0-9]*]] <line:6:3, col:10>
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// CXX-NEXT: | | `-IntegerLiteral [[ADDR_3:0x[a-z0-9]*]] <col:10> 'int' 0
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// CXX-NEXT: | `-OMPDeclareVariantAttr [[ADDR_4:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(llvm)}
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// CXX-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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// CXX-NEXT: |-FunctionDecl [[ADDR_7:0x[a-z0-9]*]] <line:10:1, col:20> col:5 implicit used also_after 'int ({{.*}})'
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// CXX-NEXT: | `-OMPDeclareVariantAttr [[ADDR_8:0x[a-z0-9]*]] <<invalid sloc>> Implicit implementation={vendor(llvm)}
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// CXX-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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// CXX-NEXT: |-FunctionDecl [[ADDR_10]] <col:1, line:12:1> line:10:1 also_after[implementation={vendor(llvm)}] 'int ({{.*}})'
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// CXX-NEXT: | `-CompoundStmt [[ADDR_11:0x[a-z0-9]*]] <col:22, line:12:1>
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// CXX-NEXT: | `-ReturnStmt [[ADDR_12:0x[a-z0-9]*]] <line:11:3, col:10>
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// CXX-NEXT: | `-IntegerLiteral [[ADDR_13:0x[a-z0-9]*]] <col:10> 'int' 1
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// CXX-NEXT: |-FunctionDecl [[ADDR_6]] <line:13:1, line:15:1> line:13:1 also_before[implementation={vendor(llvm)}] 'int ({{.*}})'
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// CXX-NEXT: | `-CompoundStmt [[ADDR_14:0x[a-z0-9]*]] <col:23, line:15:1>
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// CXX-NEXT: | `-ReturnStmt [[ADDR_15:0x[a-z0-9]*]] <line:14:3, col:10>
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// CXX-NEXT: | `-IntegerLiteral [[ADDR_16:0x[a-z0-9]*]] <col:10> 'int' 2
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// CXX-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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// CXX-NEXT: | |-CompoundStmt [[ADDR_18:0x[a-z0-9]*]] <col:22, line:20:1>
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// CXX-NEXT: | | `-ReturnStmt [[ADDR_19:0x[a-z0-9]*]] <line:19:3, col:10>
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// CXX-NEXT: | | `-IntegerLiteral [[ADDR_20:0x[a-z0-9]*]] <col:10> 'int' 0
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// CXX-NEXT: | `-OMPDeclareVariantAttr [[ADDR_21:0x[a-z0-9]*]] <<invalid sloc>> Inherited Implicit implementation={vendor(llvm)}
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// CXX-NEXT: | `-DeclRefExpr [[ADDR_9]] <line:10:1> 'int ({{.*}})' Function [[ADDR_10]] 'also_after[implementation={vendor(llvm)}]' 'int ({{.*}})'
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// CXX-NEXT: |-FunctionDecl [[ADDR_22:0x[a-z0-9]*]] <line:22:1, col:10> col:6 used foo 'void ({{.*}})'
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// CXX-NEXT: |-TypedefDecl [[ADDR_23:0x[a-z0-9]*]] <line:23:1, col:22> col:14 referenced fd 'int (*)({{.*}})'
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// CXX-NEXT: | `-PointerType [[ADDR_24:0x[a-z0-9]*]] 'int (*)({{.*}})'
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// CXX-NEXT: | `-ParenType [[ADDR_25:0x[a-z0-9]*]] 'int ({{.*}})' sugar
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// CXX-NEXT: | `-FunctionProtoType [[ADDR_26:0x[a-z0-9]*]] 'int ({{.*}})' cdecl
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// CXX-NEXT: | `-BuiltinType [[ADDR_27:0x[a-z0-9]*]] 'int'
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// CXX-NEXT: `-FunctionDecl [[ADDR_28:0x[a-z0-9]*]] <line:24:1, line:32:1> line:24:5 main 'int ({{.*}})'
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// CXX-NEXT: `-CompoundStmt [[ADDR_29:0x[a-z0-9]*]] <col:12, line:32:1>
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// CXX-NEXT: |-DeclStmt [[ADDR_30:0x[a-z0-9]*]] <line:26:3, col:12>
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// CXX-NEXT: | `-VarDecl [[ADDR_31:0x[a-z0-9]*]] <col:3, col:11> col:6 used fns 'fd [2]'
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// CXX-NEXT: |-BinaryOperator [[ADDR_32:0x[a-z0-9]*]] <line:27:3, col:13> 'fd':'int (*)({{.*}})' {{.*}}'='
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// CXX-NEXT: | |-ArraySubscriptExpr [[ADDR_33:0x[a-z0-9]*]] <col:3, col:8> 'fd':'int (*)({{.*}})' lvalue
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// CXX-NEXT: | | |-ImplicitCastExpr [[ADDR_34:0x[a-z0-9]*]] <col:3> 'fd *' <ArrayToPointerDecay>
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// CXX-NEXT: | | | `-DeclRefExpr [[ADDR_35:0x[a-z0-9]*]] <col:3> 'fd [2]' {{.*}}Var [[ADDR_31]] 'fns' 'fd [2]'
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// CXX-NEXT: | | `-IntegerLiteral [[ADDR_36:0x[a-z0-9]*]] <col:7> 'int' 0
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// CXX-NEXT: | `-UnaryOperator [[ADDR_37:0x[a-z0-9]*]] <col:12, col:13> 'int (*)({{.*}})' prefix '&' cannot overflow
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// CXX-NEXT: | `-DeclRefExpr [[ADDR_38:0x[a-z0-9]*]] <col:13> 'int ({{.*}})' {{.*}}Function [[ADDR_0]] 'also_before' 'int ({{.*}})'
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// CXX-NEXT: |-BinaryOperator [[ADDR_39:0x[a-z0-9]*]] <line:28:3, col:12> 'fd':'int (*)({{.*}})' {{.*}}'='
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// CXX-NEXT: | |-ArraySubscriptExpr [[ADDR_40:0x[a-z0-9]*]] <col:3, col:8> 'fd':'int (*)({{.*}})' lvalue
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// CXX-NEXT: | | |-ImplicitCastExpr [[ADDR_41:0x[a-z0-9]*]] <col:3> 'fd *' <ArrayToPointerDecay>
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// CXX-NEXT: | | | `-DeclRefExpr [[ADDR_42:0x[a-z0-9]*]] <col:3> 'fd [2]' {{.*}}Var [[ADDR_31]] 'fns' 'fd [2]'
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// CXX-NEXT: | | `-IntegerLiteral [[ADDR_43:0x[a-z0-9]*]] <col:7> 'int' 1
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// CXX-NEXT: | `-ImplicitCastExpr [[ADDR_44:0x[a-z0-9]*]] <col:12> 'int (*)({{.*}})' <FunctionToPointerDecay>
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// CXX-NEXT: | `-DeclRefExpr [[ADDR_45:0x[a-z0-9]*]] <col:12> 'int ({{.*}})' {{.*}}Function [[ADDR_17]] 'also_after' 'int ({{.*}})'
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// CXX-NEXT: `-ReturnStmt [[ADDR_46:0x[a-z0-9]*]] <line:29:3, line:31:19>
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// CXX-NEXT: `-BinaryOperator [[ADDR_47:0x[a-z0-9]*]] <line:29:10, line:31:19> 'int' '+'
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// CXX-NEXT: |-BinaryOperator [[ADDR_48:0x[a-z0-9]*]] <line:29:10, line:30:19> 'int' '+'
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// CXX-NEXT: | |-CallExpr [[ADDR_49:0x[a-z0-9]*]] <line:29:10, col:30> 'int'
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// CXX-NEXT: | | `-ImplicitCastExpr [[ADDR_50:0x[a-z0-9]*]] <col:10, col:28> 'int (*)({{.*}})' <FunctionToPointerDecay>
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// CXX-NEXT: | | `-ParenExpr [[ADDR_51:0x[a-z0-9]*]] <col:10, col:28> 'int ({{.*}})' lvalue
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// CXX-NEXT: | | `-BinaryOperator [[ADDR_52:0x[a-z0-9]*]] <col:11, col:18> 'int ({{.*}})' {{.*}}','
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// CXX-NEXT: | | |-CallExpr [[ADDR_53:0x[a-z0-9]*]] <col:11, col:15> 'void'
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// CXX-NEXT: | | | `-ImplicitCastExpr [[ADDR_54:0x[a-z0-9]*]] <col:11> 'void (*)({{.*}})' <FunctionToPointerDecay>
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// CXX-NEXT: | | | `-DeclRefExpr [[ADDR_55:0x[a-z0-9]*]] <col:11> 'void ({{.*}})' {{.*}}Function [[ADDR_22]] 'foo' 'void ({{.*}})'
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// CXX-NEXT: | | `-DeclRefExpr [[ADDR_56:0x[a-z0-9]*]] <col:18> 'int ({{.*}})' {{.*}}Function [[ADDR_17]] 'also_after' 'int ({{.*}})'
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// CXX-NEXT: | `-CallExpr [[ADDR_57:0x[a-z0-9]*]] <line:30:10, col:19> 'int'
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// CXX-NEXT: | `-ImplicitCastExpr [[ADDR_58:0x[a-z0-9]*]] <col:10, col:17> 'fd':'int (*)({{.*}})' <LValueToRValue>
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// CXX-NEXT: | `-ParenExpr [[ADDR_59:0x[a-z0-9]*]] <col:10, col:17> 'fd':'int (*)({{.*}})' lvalue
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// CXX-NEXT: | `-ArraySubscriptExpr [[ADDR_60:0x[a-z0-9]*]] <col:11, col:16> 'fd':'int (*)({{.*}})' lvalue
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// CXX-NEXT: | |-ImplicitCastExpr [[ADDR_61:0x[a-z0-9]*]] <col:11> 'fd *' <ArrayToPointerDecay>
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// CXX-NEXT: | | `-DeclRefExpr [[ADDR_62:0x[a-z0-9]*]] <col:11> 'fd [2]' {{.*}}Var [[ADDR_31]] 'fns' 'fd [2]'
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// CXX-NEXT: | `-IntegerLiteral [[ADDR_63:0x[a-z0-9]*]] <col:15> 'int' 0
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// CXX-NEXT: `-CallExpr [[ADDR_64:0x[a-z0-9]*]] <line:31:10, col:19> 'int'
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// CXX-NEXT: `-ImplicitCastExpr [[ADDR_65:0x[a-z0-9]*]] <col:10, col:17> 'fd':'int (*)({{.*}})' <LValueToRValue>
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// CXX-NEXT: `-ParenExpr [[ADDR_66:0x[a-z0-9]*]] <col:10, col:17> 'fd':'int (*)({{.*}})' lvalue
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// CXX-NEXT: `-ArraySubscriptExpr [[ADDR_67:0x[a-z0-9]*]] <col:11, col:16> 'fd':'int (*)({{.*}})' lvalue
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// CXX-NEXT: |-IntegerLiteral [[ADDR_68:0x[a-z0-9]*]] <col:11> 'int' 1
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// CXX-NEXT: `-ImplicitCastExpr [[ADDR_69:0x[a-z0-9]*]] <col:13> 'fd *' <ArrayToPointerDecay>
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// CXX-NEXT: `-DeclRefExpr [[ADDR_70:0x[a-z0-9]*]] <col:13> 'fd [2]' {{.*}}Var [[ADDR_31]] 'fns' 'fd [2]'
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