130 lines
3.1 KiB
C++
130 lines
3.1 KiB
C++
// RUN: %clang_cc1 -std=c++2b %s -emit-llvm -triple x86_64-linux -o - | FileCheck %s
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// RUN: %clang_cc1 -std=c++2b %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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auto GetALambda() {
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return [](int x, int y) static {
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return x + y;
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};
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}
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void CallsTheLambda() {
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GetALambda()(1, 2);
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}
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// CHECK: define {{.*}}CallsTheLambda{{.*}}
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// CHECK-NEXT: entry:
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// CHECK-NEXT: %call = call noundef i32 {{.*}}(i32 noundef 1, i32 noundef 2)
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// CHECK-NEXT: ret void
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// CHECK-NEXT: }
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void call_static_call_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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}
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// CHECK: define {{.*}}call_static_call_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: 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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constexpr auto my_lambda = []() constexpr {
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return 3;
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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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constexpr auto my_lambda = []() constexpr static {
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return 3;
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};
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constexpr int (*f)(void) = my_lambda;
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constexpr int k = f();
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static_assert(k == 3);
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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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template<class T>
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auto dep_lambda1() {
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return [](T t) static -> int {
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return t;
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};
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}
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auto dep_lambda2() {
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return [](auto t) static -> int {
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return 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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int a = dep_lambda1<float>()(1.0f);
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int b = dep_lambda1<bool>()(true);
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int h = dep_lambda2()(1.0f);
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int i = dep_lambda2()(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 = call noundef i32 {{.*}}DepFunctor{{.*}}(float noundef 1.000000e+00)
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// CHECK: %call1 = call noundef i32 {{.*}}DepFunctor{{.*}}(i1 noundef zeroext true)
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// CHECK: %call2 = call noundef i32 {{.*}}dep_lambda1{{.*}}(float noundef 1.000000e+00)
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// CHECK: %call3 = call noundef i32 {{.*}}dep_lambda1{{.*}}(i1 noundef zeroext true)
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// CHECK: %call4 = call noundef i32 {{.*}}dep_lambda2{{.*}}(float noundef 1.000000e+00)
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// CHECK: %call5 = call noundef i32 {{.*}}dep_lambda2{{.*}}(i1 noundef zeroext true)
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// CHECK: ret void
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// CHECK-NEXT: }
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struct __unique {
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static constexpr auto operator()() { return 4; };
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using P = int();
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constexpr operator P*() { return operator(); }
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};
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__unique four{};
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int test_four() {
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// Checks that overload resolution works.
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return four();
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}
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