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 with system headers. 10// RUN: echo 'void meow(void);' > %t/Inputs/foo.h 11// RUN: echo 'module Foo [system] { header "foo.h" }' > %t/Inputs/module.map 12 13// === 14// Compile the module. 15// RUN: %clang_cc1 -cc1 -fmodules -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s 16// RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp 17// RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-before.pcm 18 19// === 20// Use it, and make sure that we did not recompile it. 21// RUN: %clang_cc1 -cc1 -fmodules -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s 22// RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp 23// RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-after.pcm 24 25// RUN: diff %t/modules-to-compare/Foo-before.pcm %t/modules-to-compare/Foo-after.pcm 26 27// === 28// Change the sources. 29// RUN: echo 'void meow2(void);' > %t/Inputs/foo.h 30 31// === 32// Use the module, and make sure that we did not recompile it, even though the sources changed. 33// RUN: %clang_cc1 -cc1 -fmodules -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session %s 34// RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp 35// RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-after.pcm 36 37// RUN: diff %t/modules-to-compare/Foo-before.pcm %t/modules-to-compare/Foo-after.pcm 38 39// === 40// Recompile the module if the today's date is before 01 January 2030. 41// RUN: %clang_cc1 -cc1 -fmodules -fdisable-module-hash -fmodules-cache-path=%t/modules-cache -fsyntax-only -I %t/Inputs -fbuild-session-timestamp=1893456000 -fmodules-validate-once-per-build-session %s 42// RUN: ls -R %t/modules-cache | grep Foo.pcm.timestamp 43// RUN: cp %t/modules-cache/Foo.pcm %t/modules-to-compare/Foo-after.pcm 44 45// RUN: not diff %t/modules-to-compare/Foo-before.pcm %t/modules-to-compare/Foo-after.pcm 46