1 #include "foo.h" 2 3 // Clear the module cache. 4 // RUN: rm -rf %t 5 // RUN: mkdir -p %t/Inputs 6 // RUN: mkdir -p %t/modules-to-compare 7 8 // === 9 // Create a module. We will use -I or -isystem to determine whether to treat 10 // foo.h as a system header. 11 // RUN: echo 'void meow(void);' > %t/Inputs/foo.h 12 // RUN: echo 'module Foo { header "foo.h" }' > %t/Inputs/module.map 13 14 // === 15 // Compile the module. 16 // RUN: %clang_cc1 -cc1 -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -isystem %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s 17 // RUN: %clang_cc1 -cc1 -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t/modules-cache-user -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s 18 // RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp 19 // RUN: ls -R %t/modules-cache-user | grep Foo.pcm.timestamp 20 // RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-before.pcm 21 // RUN: cp %t/modules-cache-user/Foo.pcm %t/modules-to-compare/Foo-before-user.pcm 22 23 // === 24 // Use it, and make sure that we did not recompile it. 25 // RUN: %clang_cc1 -cc1 -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -isystem %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s 26 // RUN: %clang_cc1 -cc1 -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t/modules-cache-user -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s 27 // RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp 28 // RUN: ls -R %t/modules-cache-user | grep Foo.pcm.timestamp 29 // RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-after.pcm 30 // RUN: cp %t/modules-cache-user/Foo.pcm %t/modules-to-compare/Foo-after-user.pcm 31 32 // RUN: diff %t/modules-to-compare/Foo-before.pcm %t/modules-to-compare/Foo-after.pcm 33 // RUN: diff %t/modules-to-compare/Foo-before-user.pcm %t/modules-to-compare/Foo-after-user.pcm 34 35 // === 36 // Change the sources. 37 // RUN: echo 'void meow2(void);' > %t/Inputs/foo.h 38 39 // === 40 // Use the module, and make sure that we did not recompile it if foo.h is a 41 // system header, even though the sources changed. 42 // RUN: %clang_cc1 -cc1 -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -isystem %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s 43 // RUN: %clang_cc1 -cc1 -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t/modules-cache-user -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s 44 // RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp 45 // RUN: ls -R %t/modules-cache-user | grep Foo.pcm.timestamp 46 // RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-after.pcm 47 // RUN: cp %t/modules-cache-user/Foo.pcm %t/modules-to-compare/Foo-after-user.pcm 48 49 // RUN: diff %t/modules-to-compare/Foo-before.pcm %t/modules-to-compare/Foo-after.pcm 50 // When foo.h is a user header, we will always validate it. 51 // RUN: not diff %t/modules-to-compare/Foo-before-user.pcm %t/modules-to-compare/Foo-after-user.pcm 52 53 // === 54 // Recompile the module if the today's date is before 01 January 2100. 55 // RUN: %clang_cc1 -cc1 -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -isystem %t/Inputs -fbuild-session-timestamp=4102441200 -fmodules-validate-once-per-build-session %s 56 // RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp 57 // RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-after.pcm 58 59 // RUN: not diff %t/modules-to-compare/Foo-before.pcm %t/modules-to-compare/Foo-after.pcm 60