forked from OSchip/llvm-project
69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
// Test check that consuming -E -fdirectives-only output produces the expected
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// header unit.
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// RUN: rm -rf %t
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// RUN: mkdir -p %t
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// RUN: split-file %s %t
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// RUN: cd %t
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// RUN: %clang_cc1 -std=c++20 -E -fdirectives-only -xc++-user-header hu-01.h \
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// RUN: -o hu-01.iih
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// RUN: %clang_cc1 -std=c++20 -emit-header-unit \
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// RUN: -xc++-user-header-cpp-output hu-01.iih -o hu-01.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-header-unit -xc++-user-header hu-02.h \
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// RUN: -DFOO -fmodule-file=hu-01.pcm -o hu-02.pcm -Rmodule-import 2>&1 | \
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// RUN: FileCheck --check-prefix=CHECK-IMP %s -DTDIR=%t
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//--- hu-01.h
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#ifndef __GUARD
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#define __GUARD
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int baz(int);
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#define FORTYTWO 42
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#define SHOULD_NOT_BE_DEFINED -1
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#undef SHOULD_NOT_BE_DEFINED
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#endif // __GUARD
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// expected-no-diagnostics
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//--- hu-02.h
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export import "hu-01.h";
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#if !defined(FORTYTWO) || FORTYTWO != 42
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#error FORTYTWO missing in hu-02
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#endif
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#ifndef __GUARD
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#error __GUARD missing in hu-02
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#endif
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#ifdef SHOULD_NOT_BE_DEFINED
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#error SHOULD_NOT_BE_DEFINED is visible
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#endif
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// Make sure that we have not discarded macros from the builtin file.
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#ifndef __cplusplus
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#error we dropped a defined macro
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#endif
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#define KAP 6174
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#ifdef FOO
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#define FOO_BRANCH(X) (X) + 1
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inline int foo(int x) {
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if (x == FORTYTWO)
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return FOO_BRANCH(x);
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return FORTYTWO;
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}
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#else
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#define BAR_BRANCH(X) (X) + 2
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inline int bar(int x) {
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if (x == FORTYTWO)
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return BAR_BRANCH(x);
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return FORTYTWO;
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}
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#endif
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// CHECK-IMP: remark: importing module './hu-01.h' from 'hu-01.pcm'
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