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// RUN: rm -rf %t
// RUN: mkdir %t
// RUN: split-file %s %t
// RUN: %clang_cc1 -std=c++20 -emit-module-interface -triple %itanium_abi_triple %t/parta.cppm -o %t/mod-parta.pcm
// RUN: %clang_cc1 -std=c++20 -emit-module-interface -triple %itanium_abi_triple %t/partb.cppm -o %t/mod-partb.pcm
// RUN: %clang_cc1 -std=c++20 -emit-module-interface -triple %itanium_abi_triple -fmodule-file=%t/mod-parta.pcm \
// RUN: -fmodule-file=%t/mod-partb.pcm %t/mod.cppm -o %t/mod.pcm
// RUN: %clang_cc1 -std=c++20 -triple %itanium_abi_triple %t/mod.pcm -S -emit-llvm -disable-llvm-passes -o - \
// RUN: | FileCheck %t/mod.cppm
// RUN: %clang_cc1 -std=c++20 -O2 -emit-module-interface -triple %itanium_abi_triple -fmodule-file=%t/mod-parta.pcm \
// RUN: -fmodule-file=%t/mod-partb.pcm %t/mod.cppm -o %t/mod.pcm
// RUN: %clang_cc1 -std=c++20 -O2 -triple %itanium_abi_triple %t/mod.pcm -S -emit-llvm -disable-llvm-passes -o - \
// RUN: | FileCheck %t/mod.cppm -check-prefix=CHECK-OPT
//--- parta.cppm
export module mod:parta;
export int a = 43;
export int foo() {
return 3 + a;
}
//--- partb.cppm
module mod:partb;
int b = 43;
int bar() {
return 43 + b;
}
//--- mod.cppm
export module mod;
import :parta;
import :partb;
export int use() {
return foo() + bar() + a + b;
}
// CHECK: @_ZW3mod1a = available_externally global
// CHECK: @_ZW3mod1b = available_externally global
// CHECK: declare{{.*}} i32 @_ZW3mod3foov
// CHECK: declare{{.*}} i32 @_ZW3mod3barv
// CHECK-OPT: @_ZW3mod1a = available_externally global
// CHECK-OPT: @_ZW3mod1b = available_externally global
// CHECK-OPT: define available_externally{{.*}} i32 @_ZW3mod3foov
// CHECK-OPT: define available_externally{{.*}} i32 @_ZW3mod3barv
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