2022-03-02 20:18:10 +00:00
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// Test macro preservation in C++20 Header Units.
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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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// Produce a pre-processed file.
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// RUN: %clang_cc1 -std=c++20 -E -xc++-user-header hu-01.h -o hu-01.iih
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// consume that to produce the heder unit.
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// RUN: %clang_cc1 -std=c++20 -emit-header-unit \
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// RUN: -xc++-header-unit-header-cpp-output hu-01.iih -o hu-01.pcm
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// check that the header unit is named for the original file, not the .iih.
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// RUN: %clang_cc1 -std=c++20 -module-file-info hu-01.pcm | \
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// RUN: FileCheck --check-prefix=CHECK-HU %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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// CHECK-HU: ====== C++20 Module structure ======
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2023-09-08 20:13:20 +00:00
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// CHECK-HU-NEXT: Header Unit '.{{/|\\\\?}}hu-01.h' is the Primary Module at index #1
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