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TheRock/compiler/amd-llvm/clang/test/Modules/submodule-visibility-pch.c
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

57 lines
1.5 KiB
C

// Verify that the use of a PCH does not accidentally make modules from the PCH
// visible to submodules when using -fmodules-local-submodule-visibility
// and -fmodule-name to trigger a textual include.
// RUN: rm -rf %t
// RUN: split-file %s %t
// First check that it works with a header
// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t/cache \
// RUN: -fmodules-local-submodule-visibility -fimplicit-module-maps \
// RUN: -fmodule-name=Mod \
// RUN: %t/tu.c -include %t/prefix.h -I %t -verify
// Now with a PCH
// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t/cache \
// RUN: -fmodules-local-submodule-visibility -fimplicit-module-maps \
// RUN: -x c-header %t/prefix.h -emit-pch -o %t/prefix.pch -I %t
// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t/cache \
// RUN: -fmodules-local-submodule-visibility -fimplicit-module-maps \
// RUN: -fmodule-name=Mod \
// RUN: %t/tu.c -include-pch %t/prefix.pch -I %t -verify
//--- module.modulemap
module ModViaPCH { header "ModViaPCH.h" }
module ModViaInclude { header "ModViaInclude.h" }
module Mod { header "Mod.h" }
module SomeOtherMod { header "SomeOtherMod.h" }
//--- ModViaPCH.h
#define ModViaPCH 1
//--- ModViaInclude.h
#define ModViaInclude 2
//--- SomeOtherMod.h
// empty
//--- Mod.h
#include "SomeOtherMod.h"
#ifdef ModViaPCH
#error "Visibility violation ModViaPCH"
#endif
#ifdef ModViaInclude
#error "Visibility violation ModViaInclude"
#endif
//--- prefix.h
#include "ModViaPCH.h"
//--- tu.c
#include "ModViaInclude.h"
#include "Mod.h"
// expected-no-diagnostics