forked from OSchip/llvm-project
56 lines
2.8 KiB
C++
56 lines
2.8 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -ast-dump %s | FileCheck -strict-whitespace %s
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void test_type_trait() {
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// An unary type trait.
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enum E {};
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(void) __is_enum(E);
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// A binary type trait.
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(void) __is_same(int ,float);
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// An n-ary type trait.
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(void) __is_constructible(int, int, int, int);
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}
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void test_array_type_trait() {
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// An array type trait.
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(void) __array_rank(int[10][20]);
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}
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void test_expression_trait() {
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// An expression trait.
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(void) __is_lvalue_expr(1);
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}
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void test_unary_expr_or_type_trait() {
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// Some UETTs.
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(void) sizeof(int);
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(void) alignof(int);
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(void) __alignof(int);
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}
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// CHECK: TranslationUnitDecl {{.*}} <<invalid sloc>> <invalid sloc>
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// CHECK: |-FunctionDecl {{.*}} <{{.*}}ast-dump-traits.cpp:3:1, line:11:1> line:3:6 test_type_trait 'void ()'
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// CHECK-NEXT: | `-CompoundStmt {{.*}} <col:24, line:11:1>
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// CHECK-NEXT: | |-DeclStmt {{.*}} <line:5:3, col:12>
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// CHECK-NEXT: | | `-EnumDecl {{.*}} <col:3, col:11> col:8 referenced E
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// CHECK-NEXT: | |-CStyleCastExpr {{.*}} <line:6:3, col:21> 'void' <ToVoid>
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// CHECK-NEXT: | | `-TypeTraitExpr {{.*}} <col:10, col:21> 'bool' __is_enum
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// CHECK-NEXT: | |-CStyleCastExpr {{.*}} <line:8:3, col:30> 'void' <ToVoid>
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// CHECK-NEXT: | | `-TypeTraitExpr {{.*}} <col:10, col:30> 'bool' __is_same
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// CHECK-NEXT: | `-CStyleCastExpr {{.*}} <line:10:3, col:47> 'void' <ToVoid>
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// CHECK-NEXT: | `-TypeTraitExpr {{.*}} <col:10, col:47> 'bool' __is_constructible
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// CHECK-NEXT: |-FunctionDecl {{.*}} <line:13:1, line:16:1> line:13:6 test_array_type_trait 'void ()'
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// CHECK-NEXT: | `-CompoundStmt {{.*}} <col:30, line:16:1>
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// CHECK-NEXT: | `-CStyleCastExpr {{.*}} <line:15:3, col:34> 'void' <ToVoid>
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// CHECK-NEXT: | `-ArrayTypeTraitExpr {{.*}} <col:10, col:34> 'unsigned long' __array_rank
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// CHECK-NEXT: |-FunctionDecl {{.*}} <line:18:1, line:21:1> line:18:6 test_expression_trait 'void ()'
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// CHECK-NEXT: | `-CompoundStmt {{.*}} <col:30, line:21:1>
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// CHECK-NEXT: | `-CStyleCastExpr {{.*}} <line:20:3, col:28> 'void' <ToVoid>
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// CHECK-NEXT: | `-ExpressionTraitExpr {{.*}} <col:10, col:28> 'bool' __is_lvalue_expr
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// CHECK-NEXT: `-FunctionDecl {{.*}} <line:23:1, line:28:1> line:23:6 test_unary_expr_or_type_trait 'void ()'
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// CHECK-NEXT: `-CompoundStmt {{.*}} <col:38, line:28:1>
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// CHECK-NEXT: |-CStyleCastExpr {{.*}} <line:25:3, col:20> 'void' <ToVoid>
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// CHECK-NEXT: | `-UnaryExprOrTypeTraitExpr {{.*}} <col:10, col:20> 'unsigned long' sizeof 'int'
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// CHECK-NEXT: |-CStyleCastExpr {{.*}} <line:26:3, col:21> 'void' <ToVoid>
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// CHECK-NEXT: | `-UnaryExprOrTypeTraitExpr {{.*}} <col:10, col:21> 'unsigned long' alignof 'int'
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// CHECK-NEXT: `-CStyleCastExpr {{.*}} <line:27:3, col:23> 'void' <ToVoid>
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// CHECK-NEXT: `-UnaryExprOrTypeTraitExpr {{.*}} <col:10, col:23> 'unsigned long' __alignof 'int'
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