21e16ab6b8
The existing module symbol mangling scheme turns out to be undemangleable. It is also desirable to switch to the strong-ownership model as the hoped-for C++17 compatibility turns out to be fragile, and we also now have a better way of controlling that. The issue is captured on the ABI list at: https://github.com/itanium-cxx-abi/cxx-abi/issues/134 A document describing the issues and new mangling is at: https://drive.google.com/file/d/1qQjqptzOFT_lfXH8L6-iD9nCRi34wjft/view This patch is the code-generation part. I have a demangler too, but that patch is based on some to-be-landed refactoring of the demangler. The old mangling is unceremoniously dropped. No backwards compatibility, no deprectated old-mangling flag. It was always labelled experimental. (Old and new manglings cannot be confused.) Reviewed By: ChuanqiXu Differential Revision: https://reviews.llvm.org/D118352
13 lines
309 B
C++
13 lines
309 B
C++
// RUN: %clang_cc1 -fmodules-ts %s -triple %itanium_abi_triple -emit-llvm -o - | FileCheck %s
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export module FOO;
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namespace Outer {
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class Y;
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class Inner {
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class X;
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void Fn (X &, Y &); // #2
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};
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// CHECK-DAG: define dso_local void @_ZN5OuterW3FOO5Inner2FnERNS1_1XERNS_S0_1YE(
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void Inner::Fn (X &, Y &) {}
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}
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