xref: /llvm-project/clang/test/CodeGenCXX/module-initializer-header.cppm (revision c5de4dd1eab00df76c1a68c5f397304ceacb71f2) 
1// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
2// RUN: rm -rf %t
3// RUN: split-file %s %t
4//
5// RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple -xc++-user-header -emit-header-unit %t/header.h -o %t/header.pcm
6// RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple -fmodule-file=%t/header.pcm %t/M.cppm -emit-llvm -o - | FileCheck %t/M.cppm
7// RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple -fmodule-file=%t/header.pcm %t/Use.cpp -emit-llvm -o - | FileCheck %t/Use.cpp
8//
9//--- header.h
10int foo();
11static int i = foo();
12
13//--- M.cppm
14module;
15import "header.h";
16export module M;
17
18// CHECK: @_ZL1i = {{.*}}global i32 0
19// CHECK: void @__cxx_global_var_init()
20// CHECK-NEXT: entry:
21// CHECK-NEXT:  %call = call noundef{{.*}} i32 @_Z3foov()
22// CHECK-NEXT:  store i32 %call, ptr @_ZL1i
23
24//--- Use.cpp
25import "header.h";
26
27// CHECK: @_ZL1i = {{.*}}global i32 0
28// CHECK: void @__cxx_global_var_init()
29// CHECK-NEXT: entry:
30// CHECK-NEXT:  %call = call noundef{{.*}} i32 @_Z3foov()
31// CHECK-NEXT:  store i32 %call, ptr @_ZL1i
32