1// Check that the presence of non-affecting module map files does not affect the 2// contents of PCM files. 3 4// RUN: rm -rf %t && mkdir %t 5// RUN: split-file %s %t 6 7//--- a/module.modulemap 8module a {} 9 10//--- b/module.modulemap 11module b {} 12 13//--- c/module.modulemap 14module c { header "c.h" } 15//--- c/c.h 16@import b; 17 18//--- tu.m 19@import c; 20 21//--- explicit-mms-common-args.rsp 22-fmodule-map-file=b/module.modulemap -fmodule-map-file=c/module.modulemap -fmodules -fmodules-cache-path=cache -fdisable-module-hash -fsyntax-only tu.m 23//--- implicit-search-args.rsp 24-I a -I b -I c -fimplicit-module-maps -fmodules -fmodules-cache-path=cache -fdisable-module-hash -fsyntax-only tu.m 25//--- implicit-search-args.rsp-end 26 27// Test with explicit module map files. 28// 29// RUN: %clang_cc1 -working-directory %t @%t/explicit-mms-common-args.rsp 30// RUN: mv %t/cache %t/cache-explicit-no-a-prune 31// RUN: %clang_cc1 -working-directory %t @%t/explicit-mms-common-args.rsp -fno-modules-prune-non-affecting-module-map-files 32// RUN: mv %t/cache %t/cache-explicit-no-a-keep 33// 34// RUN: %clang_cc1 -working-directory %t -fmodule-map-file=a/module.modulemap @%t/explicit-mms-common-args.rsp 35// RUN: mv %t/cache %t/cache-explicit-a-prune 36// RUN: %clang_cc1 -working-directory %t -fmodule-map-file=a/module.modulemap @%t/explicit-mms-common-args.rsp -fno-modules-prune-non-affecting-module-map-files 37// RUN: mv %t/cache %t/cache-explicit-a-keep 38// 39// RUN: diff %t/cache-explicit-no-a-prune/c.pcm %t/cache-explicit-a-prune/c.pcm 40// RUN: not diff %t/cache-explicit-no-a-keep/c.pcm %t/cache-explicit-a-keep/c.pcm 41 42// Test with implicit module map search. 43// 44// RUN: %clang_cc1 -working-directory %t @%t/implicit-search-args.rsp 45// RUN: mv %t/cache %t/cache-implicit-no-a-prune 46// RUN: %clang_cc1 -working-directory %t @%t/implicit-search-args.rsp -fno-modules-prune-non-affecting-module-map-files 47// RUN: mv %t/cache %t/cache-implicit-no-a-keep 48// 49// FIXME: Instead of removing "a/module.modulemap" from the file system, we 50// could drop the "-I a" search path argument in combination with the 51// "-fmodules-skip-header-search-paths" flag. Unfortunately, that flag 52// does not prevent serialization of the search path usage bit vector, 53// making the files differ anyways. 54// RUN: rm %t/a/module.modulemap 55// 56// RUN: %clang_cc1 -working-directory %t @%t/implicit-search-args.rsp 57// RUN: mv %t/cache %t/cache-implicit-a-prune 58// RUN: %clang_cc1 -working-directory %t @%t/implicit-search-args.rsp -fno-modules-prune-non-affecting-module-map-files 59// RUN: mv %t/cache %t/cache-implicit-a-keep 60// 61// RUN: diff %t/cache-implicit-no-a-prune/c.pcm %t/cache-implicit-a-prune/c.pcm 62// RUN: not diff %t/cache-implicit-no-a-keep/c.pcm %t/cache-implicit-a-keep/c.pcm 63