a6e524276e
This is needed by no casacading chanegs feature. A BMI of a module interface needs to merge the hash value of all the module files that the users can touched actually.
82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
// Test that adding a new unused decl within reduced BMI may not produce a transitive change.
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//
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// RUN: rm -rf %t
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// RUN: split-file %s %t
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//
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/T.cppm -o %t/T.pcm \
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// RUN: -fmodule-file=T=%t/T.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/T1.cppm -o %t/T1.pcm \
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// RUN: -fmodule-file=T=%t/T.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/T2.cppm -o %t/T2.pcm \
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// RUN: -fmodule-file=T=%t/T.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/T3.cppm -o %t/T3.pcm \
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// RUN: -fmodule-file=T=%t/T.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/T4.cppm -o %t/T4.pcm \
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// RUN: -fmodule-file=T=%t/T.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/A.cppm -o %t/A.pcm \
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// RUN: -fmodule-file=T=%t/T.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/AWrapper.cppm -o %t/AWrapper.pcm \
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// RUN: -fprebuilt-module-path=%t
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/B.cppm -o %t/B.pcm \
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// RUN: -fprebuilt-module-path=%t
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//
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/A.v1.cppm -o %t/A.v1.pcm \
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// RUN: -fmodule-file=T=%t/T.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/AWrapper.cppm -o %t/AWrapper.v1.pcm \
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// RUN: -fprebuilt-module-path=%t -fmodule-file=A=%t/A.v1.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/B.cppm -o %t/B.v1.pcm \
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// RUN: -fprebuilt-module-path=%t -fmodule-file=AWrapper=%t/AWrapper.v1.pcm -fmodule-file=A=%t/A.v1.pcm
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//
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// RUN: not diff %t/B.pcm %t/B.v1.pcm &> /dev/null
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//--- T.cppm
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export module T;
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export template <class T>
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struct Templ {};
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//--- T1.cppm
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export module T1;
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import T;
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export using Tunsigned = Templ<unsigned>;
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//--- T2.cppm
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export module T2;
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import T;
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export using Tfloat = Templ<float>;
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//--- T3.cppm
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export module T3;
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import T;
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export using Tlong = Templ<long long>;
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//--- T4.cppm
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export module T4;
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import T;
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export using Tshort = Templ<short>;
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//--- A.cppm
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export module A;
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import T;
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export using Tint = Templ<int>;
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//--- A.v1.cppm
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export module A;
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import T;
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export using Tint = Templ<int>;
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void __unused__() {}
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//--- AWrapper.cppm
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export module AWrapper;
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import A;
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//--- B.cppm
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export module B;
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import AWrapper;
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import T;
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import T1;
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import T2;
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import T3;
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import T4;
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export using Tdouble = Templ<double>;
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