xref: /llvm-project/clang/test/Modules/diagnostic-options-mismatch.c (revision 6c465a201b02f3316efc55eef6909080866f6fb0)
1 // RUN: rm -rf %t && mkdir -p %t
2 // RUN: split-file %s %t
3 
4 //--- module.modulemap
5 module Mod { header "mod.h" }
6 //--- mod.h
7 //--- tu.c
8 #include "mod.h"
9 
10 // Without any extra compiler flags, mismatched diagnostic options trigger recompilation of modules.
11 //
12 // RUN: %clang_cc1 -fmodules -fmodule-map-file=%t/module.modulemap -fmodules-cache-path=%t/cache1 -fdisable-module-hash \
13 // RUN:   -fsyntax-only %t/tu.c -Wnon-modular-include-in-module
14 // RUN: %clang_cc1 -fmodules -fmodule-map-file=%t/module.modulemap -fmodules-cache-path=%t/cache1 -fdisable-module-hash \
15 // RUN:   -fsyntax-only %t/tu.c -Werror=non-modular-include-in-module -Rmodule-build 2>&1 \
16 // RUN:   | FileCheck %s --check-prefix=DID-REBUILD
17 // DID-REBUILD: remark: building module 'Mod'
18 
19 // When skipping serialization of diagnostic options, mismatches cannot be detected, old PCM file gets reused.
20 //
21 // RUN: %clang_cc1 -fmodules -fmodule-map-file=%t/module.modulemap -fmodules-cache-path=%t/cache2 -fdisable-module-hash \
22 // RUN:   -fsyntax-only %t/tu.c -fmodules-skip-diagnostic-options -Wnon-modular-include-in-module
23 // RUN: %clang_cc1 -fmodules -fmodule-map-file=%t/module.modulemap -fmodules-cache-path=%t/cache2 -fdisable-module-hash \
24 // RUN:   -fsyntax-only %t/tu.c -fmodules-skip-diagnostic-options -Werror=non-modular-include-in-module -Rmodule-build 2>&1 \
25 // RUN:   | FileCheck %s --check-prefix=DID-REUSE --allow-empty
26 // DID-REUSE-NOT: remark: building module 'Mod'
27 //
28 // RUN: %clang_cc1 -module-file-info %t/cache2/Mod.pcm | FileCheck %s --check-prefix=NO-DIAG-OPTS
29 // NO-DIAG-OPTS-NOT: Diagnostic flags:
30 
31 // When disabling validation of diagnostic options, mismatches are not checked for, old PCM file gets reused.
32 //
33 // RUN: %clang_cc1 -fmodules -fmodule-map-file=%t/module.modulemap -fmodules-cache-path=%t/cache3 -fdisable-module-hash \
34 // RUN:   -fsyntax-only %t/tu.c -fmodules-disable-diagnostic-validation -Wnon-modular-include-in-module
35 // RUN: %clang_cc1 -fmodules -fmodule-map-file=%t/module.modulemap -fmodules-cache-path=%t/cache3 -fdisable-module-hash \
36 // RUN:   -fsyntax-only %t/tu.c -fmodules-disable-diagnostic-validation -Werror=non-modular-include-in-module -Rmodule-build 2>&1 \
37 // RUN:   | FileCheck %s --check-prefix=DID-REUSE --allow-empty
38 //
39 // RUN: %clang_cc1 -module-file-info %t/cache3/Mod.pcm | FileCheck %s --check-prefix=OLD-DIAG-OPTS
40 // OLD-DIAG-OPTS: Diagnostic flags:
41 // OLD-DIAG-OPTS-NEXT: -Wnon-modular-include-in-module
42