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1ba93c3c30
Close https://github.com/llvm/llvm-project/issues/60693. In this issue, we can find that the importer will try to generate the template specialization again in the importer, which is not good and wastes time. This patch tries to address the problem.
47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
// https://github.com/llvm/llvm-project/issues/59780
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//
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// RUN: rm -rf %t
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// RUN: mkdir %t
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// RUN: split-file %s %t
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//
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// RUN: %clang_cc1 -std=c++20 %t/a.cppm -triple %itanium_abi_triple -emit-module-interface -o %t/a.pcm
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// RUN: %clang_cc1 -std=c++20 %t/use.cpp -fprebuilt-module-path=%t -S \
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// RUN: -triple %itanium_abi_triple -emit-llvm -o - | FileCheck %t/use.cpp
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// RUN: %clang_cc1 -std=c++20 %t/a.pcm -triple %itanium_abi_triple -emit-llvm -o - | FileCheck %t/a.cppm
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//--- a.cppm
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export module a;
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export template<typename T>
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int x = 0;
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export template<>
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int x<int> = 0;
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export template<typename T>
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struct Y {
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static int value;
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};
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template <typename T>
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int Y<T>::value = 0;
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export template<>
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struct Y<int> {
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static int value;
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};
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int Y<int>::value = 0;
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// CHECK-NOT: @_ZW1a1xIiE = {{.*}}external{{.*}}global
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// CHECK-NOT: @_ZNW1a1YIiE5valueE = {{.*}}external{{.*}}global
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//--- use.cpp
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import a;
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int foo() {
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return x<int> + Y<int>::value;
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}
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// CHECK: @_ZW1a1xIiE = {{.*}}external{{.*}}global
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// CHECK: @_ZNW1a1YIiE5valueE = {{.*}}external{{.*}}global
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