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