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// Address: https://github.com/llvm/llvm-project/issues/60693
//
// RUN: rm -rf %t
// RUN: mkdir -p %t
// RUN: split-file %s %t
//
// RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple %t/a.cppm -emit-module-interface -o %t/a.pcm
// RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple -fmodule-file=a=%t/a.pcm %t/c.cpp -emit-llvm -disable-llvm-passes -o - | FileCheck %t/c.cpp
// Test again with reduced BMI
// RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple %t/a.cppm -emit-reduced-module-interface -o %t/a.pcm
// RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple -fmodule-file=a=%t/a.pcm %t/c.cpp -emit-llvm -disable-llvm-passes -o - | FileCheck %t/c.cpp
//--- a.cppm
export module a;
constexpr bool f() {
for (unsigned n = 0; n != 10; ++n) {
}
return true;
}
template <typename T>
struct u {
T unit() {
return T();
}
};
export template<typename T>
struct s {
static constexpr auto a = f();
static constexpr auto b = f();
static constexpr auto c = f();
static constexpr auto d = f();
int foo() {
return 43;
}
int bar() {
return 44;
}
T zoo() {
return u<T>().unit();
}
};
template struct s<int>;
template struct s<long>;
//--- c.cpp
import a;
extern "C" int use() {
s<int> _;
return _.a + _.b + _.c + _.d;
}
extern "C" long use2() {
s<long> _;
return _.foo();
}
extern "C" long use3() {
s<long> _;
return _.zoo();
}
// CHECK: define{{.*}}@use(
// CHECK-NOT: }
// CHECK: ret{{.*}} 4
// CHECK: declare{{.*}}@_ZNW1a1sIlE3fooEv
// CHECK-NOT: _ZNW1a1sIlE3barEv
// CHECK: declare{{.*}}_ZNW1a1sIlE3zooEv
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