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dc4e85bd79
Close https://github.com/llvm/llvm-project/issues/62707 As we discussed before, we'll forbid the use of implicit generated path for C++20 modules. And as I mentioned in https://github.com/llvm/llvm-project/issues/62707, we've emitted a warning for clang17 and we'll make it a hard error in clang18. And the patch addresses the decision.
49 lines
888 B
C++
49 lines
888 B
C++
// 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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//
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// RUN: %clang_cc1 %t/a.cppm -std=c++20 -triple %itanium_abi_triple \
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// RUN: -emit-module-interface -o %t/a.pcm
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// RUN: %clang_cc1 %t/b.cppm -std=c++20 -triple %itanium_abi_triple \
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// RUN: -emit-module-interface -o %t/b.pcm \
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// RUN: -fmodule-file=a=%t/a.pcm
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// RUN: %clang_cc1 %t/b.pcm -std=c++20 -triple %itanium_abi_triple \
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// RUN: -fmodule-file=a=%t/a.pcm -emit-llvm -o - | FileCheck %t/b.cppm
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//--- foo.h
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namespace n {
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template<typename>
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struct s0 {
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static int m;
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};
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template<typename T>
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struct s1 {
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using type = s0<T>;
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};
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}
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template<typename T>
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void require(n::s1<T>) {
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}
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//--- a.cppm
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module;
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#include "foo.h"
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export module a;
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//--- b.cppm
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module;
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#include "foo.h"
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export module b;
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import a;
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// Check the LLVM IR of module 'b' get generated correctly.
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// CHECK: define{{.*}}@_ZGIW1b
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