1b1c8d83d3
Turning on `enable_noundef_analysis` flag allows better codegen by removing freeze instructions. I modified clang by renaming `enable_noundef_analysis` flag to `disable-noundef-analysis` and turning it off by default. Test updates are made as a separate patch: D108453 Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D105169
18 lines
702 B
C++
18 lines
702 B
C++
// RUN: %clang_cc1 -mconstructor-aliases -fms-extensions %s -emit-llvm -o - -triple x86_64-windows-msvc | FileCheck %s
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namespace test1 {
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struct A { ~A(); };
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struct __declspec(dllexport) B : virtual A { };
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// CHECK: define weak_odr dso_local dllexport void @"??1B@test1@@QEAA@XZ"
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// CHECK: define weak_odr dso_local dllexport void @"??_DB@test1@@QEAAXXZ"
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}
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struct __declspec(dllexport) A { virtual ~A(); };
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struct __declspec(dllexport) B { virtual ~B(); };
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struct __declspec(dllexport) C : A, B { virtual ~C(); };
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C::~C() {}
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// CHECK: define dso_local dllexport void @"??1C@@UEAA@XZ"
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// This thunk should *not* be dllexport.
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// CHECK: define linkonce_odr dso_local noundef i8* @"??_EC@@W7EAAPEAXI@Z"
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