llvm-project/clang/test/CodeGenCXX/auto-variable-template.cpp

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731 B
C++

// RUN: %clang_cc1 -std=c++14 %s -triple=x86_64-linux -emit-llvm -o - | FileCheck %s
struct f {
void operator()() const {}
};
template <typename T> auto vtemplate = f{};
int main() { vtemplate<int>(); }
// CHECK: @_Z9vtemplateIiE = linkonce_odr global %struct.f undef, comdat
// CHECK: define{{.*}} i32 @main()
// CHECK: call void @_ZNK1fclEv(%struct.f* {{[^,]*}} @_Z9vtemplateIiE)
template <typename>
struct pack {
template <typename T>
constexpr static auto some_boolean_cx_value = true;
};
auto usage() {
return pack<char>::some_boolean_cx_value<int>;
}
// CHECK: define{{.*}} i1 @_Z5usagev()
auto otherusage() {
return pack<char>{}.some_boolean_cx_value<int>;
}
// CHECK: define{{.*}} i1 @_Z10otherusagev()