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98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
// RUN: rm -rf %t
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// RUN: split-file %s %t
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//
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// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 %t/M.cppm \
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// RUN: -emit-module-interface -o %t/M.pcm
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// RUN: %clang_cc1 -std=c++20 %t/Use.cpp -fprebuilt-module-path=%t \
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// RUN: -triple %itanium_abi_triple \
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// RUN: -emit-llvm -o - -disable-llvm-passes \
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// RUN: | FileCheck %t/Use.cpp --check-prefix=CHECK-O0
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//
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// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 -O1 %t/M.cppm \
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// RUN: -emit-module-interface -o %t/M.pcm
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// RUN: %clang_cc1 -std=c++20 %t/Use.cpp -fprebuilt-module-path=%t -O1 \
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// RUN: -triple %itanium_abi_triple \
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// RUN: -emit-llvm -o - -disable-llvm-passes | \
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// RUN: FileCheck %t/Use.cpp --check-prefix=CHECK-O1
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//--- foo.h
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int func_in_gmf() {
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return 43;
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}
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int func_in_gmf_not_called() {
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return 44;
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}
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template <class T>
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class A {
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public:
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__attribute__((always_inline))
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inline constexpr int getValue() {
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return 43;
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}
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inline constexpr int getValue2() {
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return 43;
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}
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};
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extern template class A<char>;
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//--- M.cppm
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module;
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#include "foo.h"
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export module M;
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int non_exported_func() {
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return 43 + func_in_gmf();
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}
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export int exported_func() {
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return non_exported_func();
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}
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int non_exported_func_not_called() {
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return 44;
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}
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export int func_not_called() {
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return non_exported_func_not_called();
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}
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export
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__attribute__((always_inline))
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int always_inline_func() {
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return 45;
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}
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export using ::A;
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//--- Use.cpp
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import M;
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int use() {
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A<char> a;
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return exported_func() + always_inline_func() +
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a.getValue() + a.getValue2();
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}
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// CHECK-O0: define{{.*}}_Z3usev(
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// CHECK-O0: declare{{.*}}_ZW1M13exported_funcv(
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// CHECK-O0: declare{{.*}}_ZW1M18always_inline_funcv(
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// CHECK-O0: define{{.*}}@_ZN1AIcE8getValueEv(
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// CHECK-O0: declare{{.*}}@_ZN1AIcE9getValue2Ev(
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// CHECK-O0-NOT: func_in_gmf
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// CHECK-O0-NOT: func_in_gmf_not_called
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// CHECK-O0-NOT: non_exported_func
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// CHECK-O0-NOT: non_exported_func_not_called
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// CHECK-O0-NOT: func_not_called
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// Checks that the generated code within optimizations keep the same behavior with
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// O0 to keep consistent ABI.
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// CHECK-O1: define{{.*}}_Z3usev(
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// CHECK-O1: declare{{.*}}_ZW1M13exported_funcv(
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// CHECK-O1: declare{{.*}}_ZW1M18always_inline_funcv(
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// CHECK-O1: define{{.*}}@_ZN1AIcE8getValueEv(
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// CHECK-O1: declare{{.*}}@_ZN1AIcE9getValue2Ev(
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// CHECK-O1-NOT: func_in_gmf
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// CHECK-O1-NOT: func_in_gmf_not_called
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// CHECK-O1-NOT: non_exported_func
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// CHECK-O1-NOT: non_exported_func_not_called
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// CHECK-O1-NOT: func_not_called
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