| // RUN: rm -rf %t |
| // RUN: split-file %s %t |
| // |
| // RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 %t/M.cppm \ |
| // RUN: -emit-module-interface -o %t/M.pcm |
| // RUN: %clang_cc1 -std=c++20 %t/Use.cpp -fprebuilt-module-path=%t \ |
| // RUN: -triple %itanium_abi_triple \ |
| // RUN: -S -emit-llvm -o - -disable-llvm-passes \ |
| // RUN: | FileCheck %t/Use.cpp --check-prefix=CHECK-O0 |
| // |
| // RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 -O1 %t/M.cppm \ |
| // RUN: -emit-module-interface -o %t/M.pcm |
| // RUN: %clang_cc1 -std=c++20 %t/Use.cpp -fprebuilt-module-path=%t -O1 \ |
| // RUN: -triple %itanium_abi_triple \ |
| // RUN: -S -emit-llvm -o - -disable-llvm-passes | \ |
| // RUN: FileCheck %t/Use.cpp --check-prefix=CHECK-O1 |
| |
| //--- foo.h |
| int func_in_gmf() { |
| return 43; |
| } |
| int func_in_gmf_not_called() { |
| return 44; |
| } |
| |
| //--- M.cppm |
| module; |
| #include "foo.h" |
| export module M; |
| int non_exported_func() { |
| return 43 + func_in_gmf(); |
| } |
| export int exported_func() { |
| return non_exported_func(); |
| } |
| |
| int non_exported_func_not_called() { |
| return 44; |
| } |
| export int func_not_called() { |
| return non_exported_func_not_called(); |
| } |
| |
| export |
| __attribute__((always_inline)) |
| int always_inline_func() { |
| return 45; |
| } |
| |
| //--- Use.cpp |
| import M; |
| int use() { |
| return exported_func() + always_inline_func(); |
| } |
| |
| // Checks that none of the function (except the always_inline_func) in the importees |
| // are generated in the importer's code. |
| // CHECK-O0: define{{.*}}_Z3usev( |
| // CHECK-O0: declare{{.*}}_ZW1M13exported_funcv( |
| // CHECK-O0: define{{.*}}available_externally{{.*}}_ZW1M18always_inline_funcv( |
| // CHECK-O0-NOT: func_in_gmf |
| // CHECK-O0-NOT: func_in_gmf_not_called |
| // CHECK-O0-NOT: non_exported_func |
| // CHECK-O0-NOT: non_exported_func_not_called |
| // CHECK-O0-NOT: func_not_called |
| |
| // Checks that all the potentially called function in the importees are generated in the importer's code |
| // with available_externally attribute. |
| // CHECK-O1: define{{.*}}_Z3usev( |
| // CHECK-O1: define{{.*}}available_externally{{.*}}_ZW1M13exported_funcv( |
| // CHECK-O1: define{{.*}}available_externally{{.*}}_ZW1M18always_inline_funcv( |
| // CHECK-O1: define{{.*}}available_externally{{.*}}_ZW1M17non_exported_funcv( |
| // CHECK-O1: define{{.*}}available_externally{{.*}}_Z11func_in_gmfv( |
| // CHECK-O1-NOT: func_in_gmf_not_called |
| // CHECK-O1-NOT: non_exported_func_not_called |
| // CHECK-O1-NOT: func_not_called |
