1 files changed, 49 insertions, 0 deletions
diff --git a/test/Modules/ignored_macros.m b/test/Modules/ignored_macros.m
new file mode 100644
index 0000000..e8ee50a
--- /dev/null
+++ b/test/Modules/ignored_macros.m
@@ -0,0 +1,49 @@
+// First trial: pass -DIGNORED=1 to both. This should obviously work.
+// RUN: rm -rf %t.modules
+// RUN: %clang_cc1 -fmodules-cache-path=%t.modules -DIGNORED=1 -fmodules -I %S/Inputs -emit-pch -o %t.pch -x objective-c-header %s -verify
+// RUN: %clang_cc1 -fmodules-cache-path=%t.modules -DIGNORED=1 -fmodules -I %S/Inputs -include-pch %t.pch %s -verify
+
+// Second trial: pass -DIGNORED=1 only to the second invocation. We
+// should detect the failure.
+//
+// RUN: rm -rf %t.modules
+// RUN: %clang_cc1 -fmodules-cache-path=%t.modules -fmodules -I %S/Inputs -emit-pch -o %t.pch -x objective-c-header %s -verify
+// RUN: not %clang_cc1 -fmodules-cache-path=%t.modules -DIGNORED=1 -fmodules -I %S/Inputs -include-pch %t.pch %s > %t.err 2>&1
+// RUN: FileCheck -check-prefix=CHECK-CONFLICT %s < %t.err
+// CHECK-CONFLICT: module 'ignored_macros' found in both
+
+// Third trial: pass -DIGNORED=1 only to the second invocation, but
+// make it ignored. There should be no failure, IGNORED is defined in
+// the translation unit but not the module.
+// RUN: rm -rf %t.modules
+// RUN: %clang_cc1 -fmodules-cache-path=%t.modules -fmodules -I %S/Inputs -emit-pch -o %t.pch -x objective-c-header %s -verify
+// RUN: %clang_cc1 -fmodules-cache-path=%t.modules -DIGNORED=1 -fmodules -I %S/Inputs -include-pch %t.pch -fmodules-ignore-macro=IGNORED %s -verify
+
+// Fourth trial: pass -DIGNORED=1 and -fmodules-ignore-macro=IGNORED
+// to both invocations, so modules will be built without the IGNORED
+// macro.
+// RUN: rm -rf %t.modules
+// RUN: %clang_cc1 -fmodules-cache-path=%t.modules -DIGNORED=1 -fmodules-ignore-macro=IGNORED -fmodules -I %S/Inputs -emit-pch -o %t.pch -x objective-c-header %s -verify
+// RUN: %clang_cc1 -fmodules-cache-path=%t.modules -DIGNORED=1 -fmodules -I %S/Inputs -include-pch %t.pch -fmodules-ignore-macro=IGNORED -DNO_IGNORED_ANYWHERE -fmodules-ignore-macro=NO_IGNORED_ANYWHERE %s -verify
+
+// Fifth trial: pass -DIGNORED=1 and -fmodules-ignore-macro=IGNORED=1
+// to both invocations, so modules will be built without the IGNORED
+// macro.
+// RUN: rm -rf %t.modules
+// RUN: %clang_cc1 -fmodules-cache-path=%t.modules -DIGNORED=1 -fmodules-ignore-macro=IGNORED=1 -fmodules -I %S/Inputs -emit-pch -o %t.pch -x objective-c-header %s -verify
+// RUN: %clang_cc1 -fmodules-cache-path=%t.modules -DIGNORED=1 -fmodules -I %S/Inputs -include-pch %t.pch -fmodules-ignore-macro=IGNORED=1 -DNO_IGNORED_ANYWHERE -fmodules-ignore-macro=NO_IGNORED_ANYWHERE %s -verify
+
+// expected-no-diagnostics
+
+#ifndef HEADER
+#define HEADER
+@import ignored_macros;
+#endif
+
+@import ignored_macros;
+
+struct Point p;
+
+#ifdef NO_IGNORED_ANYWHERE
+void *has_ignored(int, int, int);
+#endif