74 lines
2 KiB
C++
74 lines
2 KiB
C++
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// RUN: %clang_cc1 -std=c++23 %s -emit-llvm -triple x86_64-linux -o - | FileCheck %s
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// RUN: %clang_cc1 -std=c++23 %s -emit-llvm -triple x86_64-windows-msvc -o - | FileCheck %s
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struct Functor {
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static int operator[](int x, int y) {
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return x + y;
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}
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};
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Functor GetAFunctor() {
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return {};
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}
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void call_static_subscript_operator() {
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Functor f;
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f[101, 102];
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f.operator[](201, 202);
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Functor{}[301, 302];
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Functor::operator[](401, 402);
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GetAFunctor()[501, 502];
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}
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// CHECK: define {{.*}}call_static_subscript_operator{{.*}}
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// CHECK-NEXT: entry:
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// CHECK: {{.*}} = call noundef i32 {{.*}}Functor{{.*}}(i32 noundef 101, i32 noundef 102)
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// CHECK-NEXT: {{.*}} = call noundef i32 {{.*}}Functor{{.*}}(i32 noundef 201, i32 noundef 202)
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// CHECK-NEXT: {{.*}} = call noundef i32 {{.*}}Functor{{.*}}(i32 noundef 301, i32 noundef 302)
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// CHECK-NEXT: {{.*}} = call noundef i32 {{.*}}Functor{{.*}}(i32 noundef 401, i32 noundef 402)
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// CHECK: {{.*}}call {{.*}}GetAFunctor{{.*}}()
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// CHECK-NEXT: {{.*}} = call noundef i32 {{.*}}Functor{{.*}}(i32 noundef 501, i32 noundef 502)
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// CHECK-NEXT: ret void
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// CHECK-NEXT: }
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struct FunctorConsteval {
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consteval static int operator[](int x, int y) {
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return x + y;
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}
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};
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struct FunctorConstexpr {
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constexpr static int operator[](int x, int y) {
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return x + y;
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}
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};
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void test_consteval_constexpr() {
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int x = 0;
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int y = FunctorConstexpr{}[x, 2];
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constexpr int z1 = FunctorConsteval{}[2, 2];
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constexpr int z2 = FunctorConstexpr{}[2, 2];
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static_assert(z1 == 4);
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static_assert(z2 == 4);
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}
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template <class T>
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struct DepFunctor {
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static int operator[](T t) {
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return int(t);
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}
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};
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void test_dep_functors() {
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int x = DepFunctor<float>{}[1.0f];
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int y = DepFunctor<bool>{}[true];
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}
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// CHECK: define {{.*}}test_dep_functors{{.*}}
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// CHECK-NEXT: entry:
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// CHECK: {{.*}} = call noundef i32 {{.*}}DepFunctor{{.*}}(float noundef 1.000000e+00)
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// CHECK: {{.*}} = call noundef i32 {{.*}}DepFunctor{{.*}}(i1 noundef zeroext true)
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// CHECK: ret void
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// CHECK-NEXT: }
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