| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py |
| // RUN: rm -rf %t |
| // RUN: split-file %s %t |
| // |
| // RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple -xc++-user-header -emit-header-unit %t/header.h -o %t/header.pcm |
| // RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple -fmodule-file=%t/header.pcm %t/M.cppm -S -emit-llvm -o - | FileCheck %t/M.cppm |
| // RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple -fmodule-file=%t/header.pcm %t/Use.cpp -S -emit-llvm -o - | FileCheck %t/Use.cpp |
| // |
| //--- header.h |
| int foo(); |
| int i = foo(); |
| |
| //--- M.cppm |
| module; |
| import "header.h"; |
| export module M; |
| |
| // CHECK: @i = {{.*}}global i32 0 |
| // CHECK: void @__cxx_global_var_init() |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: %call = call noundef{{.*}} i32 @_Z3foov() |
| // CHECK-NEXT: store i32 %call, ptr @i |
| |
| //--- Use.cpp |
| import "header.h"; |
| |
| // CHECK: @i = {{.*}}global i32 0 |
| // CHECK: void @__cxx_global_var_init() |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: %call = call noundef{{.*}} i32 @_Z3foov() |
| // CHECK-NEXT: store i32 %call, ptr @i |
