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comparison clang/test/AST/ast-dump-concepts.cpp @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
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children c4bab56944e8
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173:0572611fdcc8 207:2e18cbf3894f
1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -std=c++2a -ast-dump -ast-dump-filter Foo %s | FileCheck -strict-whitespace %s
2
3 // Test with serialization:
4 // RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-unknown -emit-pch -o %t %s
5 // RUN: %clang_cc1 -x c++ -std=c++20 -triple x86_64-unknown-unknown -include-pch %t \
6 // RUN: -ast-dump-all -ast-dump-filter Foo /dev/null \
7 // RUN: | FileCheck --strict-whitespace %s
8
9 template <typename T>
10 concept unary_concept = true;
11
12 template <typename T, typename U>
13 concept binary_concept = true;
14
15 template <typename... Ts>
16 concept variadic_concept = true;
17
18 template <typename T>
19 struct Foo {
20 // CHECK: TemplateTypeParmDecl {{.*}} referenced Concept {{.*}} 'binary_concept'
21 // CHECK-NEXT: `-ConceptSpecializationExpr {{.*}} <col:13, col:31> 'bool' Concept {{.*}} 'binary_concept'
22 // CHECK-NEXT: |-TemplateArgument {{.*}} type 'R'
23 // CHECK-NEXT: | `-TemplateTypeParmType {{.*}} 'R'
24 // CHECK-NEXT: | `-TemplateTypeParm {{.*}} 'R'
25 // CHECK-NEXT: `-TemplateArgument {{.*}} type 'int'
26 // CHECK-NEXT: `-BuiltinType {{.*}} 'int'
27 template <binary_concept<int> R>
28 Foo(R);
29
30 // CHECK: TemplateTypeParmDecl {{.*}} referenced Concept {{.*}} 'unary_concept'
31 // CHECK-NEXT: `-ConceptSpecializationExpr {{.*}} <col:13> 'bool'
32 template <unary_concept R>
33 Foo(R);
34
35 // CHECK: FunctionTemplateDecl {{.*}} <line:[[@LINE+1]]:3, line:[[@LINE+2]]:39> {{.*}} Foo<T>
36 template <typename R>
37 Foo(R, int) requires unary_concept<R>;
38
39 // CHECK: FunctionTemplateDecl {{.*}} <line:[[@LINE+1]]:3, line:[[@LINE+3]]:3> {{.*}} Foo<T>
40 template <typename R>
41 Foo(R, char) requires unary_concept<R> {
42 }
43
44 // CHECK: CXXFoldExpr {{.*}} <col:13, col:29>
45 template <variadic_concept... Ts>
46 Foo();
47
48 // CHECK: CXXFoldExpr {{.*}} <col:13, col:34>
49 template <variadic_concept<int>... Ts>
50 Foo();
51 };