| // RUN: %clang_cc1 -std=c++23 %s -emit-llvm -triple x86_64-linux -o - | FileCheck %s |
| // RUN: %clang_cc1 -std=c++23 %s -emit-llvm -triple x86_64-windows-msvc -o - | FileCheck %s |
| |
| struct Functor { |
| static int operator[](int x, int y) { |
| return x + y; |
| } |
| }; |
| |
| void call_static_subscript_operator() { |
| Functor f; |
| f[101, 102]; |
| f.operator[](201, 202); |
| Functor{}[301, 302]; |
| Functor::operator[](401, 402); |
| } |
| |
| // CHECK: define {{.*}}call_static_subscript_operator{{.*}} |
| // CHECK-NEXT: entry: |
| // CHECK: {{.*}} = call noundef i32 {{.*}}Functor{{.*}}(i32 noundef 101, i32 noundef 102) |
| // CHECK-NEXT: {{.*}} = call noundef i32 {{.*}}Functor{{.*}}(i32 noundef 201, i32 noundef 202) |
| // CHECK-NEXT: {{.*}} = call noundef i32 {{.*}}Functor{{.*}}(i32 noundef 301, i32 noundef 302) |
| // CHECK-NEXT: {{.*}} = call noundef i32 {{.*}}Functor{{.*}}(i32 noundef 401, i32 noundef 402) |
| // CHECK-NEXT: ret void |
| // CHECK-NEXT: } |
| |
| struct FunctorConsteval { |
| consteval static int operator[](int x, int y) { |
| return x + y; |
| } |
| }; |
| |
| struct FunctorConstexpr { |
| constexpr static int operator[](int x, int y) { |
| return x + y; |
| } |
| }; |
| |
| void test_consteval_constexpr() { |
| int x = 0; |
| int y = FunctorConstexpr{}[x, 2]; |
| constexpr int z1 = FunctorConsteval{}[2, 2]; |
| constexpr int z2 = FunctorConstexpr{}[2, 2]; |
| |
| static_assert(z1 == 4); |
| static_assert(z2 == 4); |
| } |
| |
| template <class T> |
| struct DepFunctor { |
| static int operator[](T t) { |
| return int(t); |
| } |
| }; |
| |
| void test_dep_functors() { |
| int x = DepFunctor<float>{}[1.0f]; |
| int y = DepFunctor<bool>{}[true]; |
| } |
| |
| // CHECK: define {{.*}}test_dep_functors{{.*}} |
| // CHECK-NEXT: entry: |
| // CHECK: %call = call noundef i32 {{.*}}DepFunctor{{.*}}(float noundef 1.000000e+00) |
| // CHECK: %call1 = call noundef i32 {{.*}}DepFunctor{{.*}}(i1 noundef zeroext true) |
| // CHECK: ret void |
| // CHECK-NEXT: } |