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llvm-project/clang/test/Modules/explicit-build-flags.cpp

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[modules] Allow -I, -D, -W flags to change between building a module and explicitly using the resulting .pcm file. Unlike for an implicit module build, we don't need nor want to require these flags to match between the module and its users. llvm-svn: 220780
2014-10-29 00:24:08 +08:00
// RUN: rm -rf %t
// RUN: mkdir %t
// RUN: echo 'module tmp { header "tmp.h" }' > %t/map
// RUN: touch %t/tmp.h
// RUN: %clang_cc1 -fmodules -DFOO=1 -x c++ -fmodule-name=tmp %t/map -emit-module -o %t/tmp.pcm
// Can use the module.
// RUN: %clang_cc1 -fmodules -DFOO=1 -x c++ -fmodule-map-file=%t/map -fmodule-file=%t/tmp.pcm -verify -I%t %s
// Can use the module if an input file is newer. (This happens on
// remote file systems.)
// RUN: sleep 1
// RUN: touch %t/tmp.h
// RUN: %clang_cc1 -fmodules -DFOO=1 -x c++ -fmodule-map-file=%t/map -fmodule-file=%t/tmp.pcm -verify -I%t %s
// Can use the module if -D flags change.
Extend test to check that -D flags do not leak across module boundaries. llvm-svn: 220782
2014-10-29 00:30:57 +08:00
// RUN: %clang_cc1 -fmodules -DFOO=2 -DBAR=1 -x c++ -fmodule-map-file=%t/map -fmodule-file=%t/tmp.pcm -verify -I%t %s
// RUN: %clang_cc1 -fmodules -DBAR=2 -x c++ -fmodule-map-file=%t/map -fmodule-file=%t/tmp.pcm -verify -I%t %s
[modules] Allow -I, -D, -W flags to change between building a module and explicitly using the resulting .pcm file. Unlike for an implicit module build, we don't need nor want to require these flags to match between the module and its users. llvm-svn: 220780
2014-10-29 00:24:08 +08:00
// Can use the module if -W flags change.
Extend test to check that -D flags do not leak across module boundaries. llvm-svn: 220782
2014-10-29 00:30:57 +08:00
// RUN: %clang_cc1 -fmodules -DBAR=2 -Wextra -x c++ -fmodule-map-file=%t/map -fmodule-file=%t/tmp.pcm -verify -I%t %s
[modules] Allow -I, -D, -W flags to change between building a module and explicitly using the resulting .pcm file. Unlike for an implicit module build, we don't need nor want to require these flags to match between the module and its users. llvm-svn: 220780
2014-10-29 00:24:08 +08:00
// Can use the module if -I flags change.
Extend test to check that -D flags do not leak across module boundaries. llvm-svn: 220782
2014-10-29 00:30:57 +08:00
// RUN: %clang_cc1 -fmodules -DBAR=2 -I. -x c++ -fmodule-map-file=%t/map -fmodule-file=%t/tmp.pcm -verify -I%t %s
[modules] Allow -I, -D, -W flags to change between building a module and explicitly using the resulting .pcm file. Unlike for an implicit module build, we don't need nor want to require these flags to match between the module and its users. llvm-svn: 220780
2014-10-29 00:24:08 +08:00
[modules] When a .pcm file is explicitly built separately from the translation unit, allow the -O settings of the two compilations to differ. llvm-svn: 220943
2014-10-31 10:28:58 +08:00
// Can use the module if -O flags change.
// RUN: %clang_cc1 -fmodules -DBAR=2 -Os -x c++ -fmodule-map-file=%t/map -fmodule-file=%t/tmp.pcm -verify -I%t %s
//
// RUN: %clang_cc1 -fmodules -DFOO=1 -O2 -x c++ -fmodule-name=tmp %t/map -emit-module -o %t/tmp-O2.pcm
// RUN: %clang_cc1 -fmodules -DBAR=2 -O0 -x c++ -fmodule-map-file=%t/map -fmodule-file=%t/tmp-O2.pcm -verify -I%t %s
// RUN: %clang_cc1 -fmodules -DBAR=2 -Os -x c++ -fmodule-map-file=%t/map -fmodule-file=%t/tmp-O2.pcm -verify -I%t %s
[modules] Allow -I, -D, -W flags to change between building a module and explicitly using the resulting .pcm file. Unlike for an implicit module build, we don't need nor want to require these flags to match between the module and its users. llvm-svn: 220780
2014-10-29 00:24:08 +08:00
#include "tmp.h" // expected-no-diagnostics
Extend test to check that -D flags do not leak across module boundaries. llvm-svn: 220782
2014-10-29 00:30:57 +08:00
#ifndef BAR
#if FOO != 1
#error bad FOO from command line and module
#endif
#elif BAR == 1
#if FOO != 2
#error bad FOO from command line overriding module
#endif
#elif BAR == 2
#ifdef FOO
#error FOO leaked from module
#endif
#else
#error bad BAR
#endif