28 lines · cpp
1// RUN: %clang_cc1 -fexceptions -fcxx-exceptions %s -triple=i686-windows-msvc -emit-llvm -o - | FileCheck %s2 3// When generating thunks using musttail due to inalloca parameters, don't push4// and pop terminate scopes. PR449875 6struct NonTrivial {7 NonTrivial();8 NonTrivial(const NonTrivial &o);9 ~NonTrivial();10 int x;11};12struct A {13 virtual void f(NonTrivial o) noexcept;14};15struct B {16 virtual void f(NonTrivial o) noexcept;17};18class C : A, B {19 virtual void f(NonTrivial o) noexcept;20};21C c;22 23// CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @"?f@C@@G3AEXUNonTrivial@@@Z"(ptr noundef %this, ptr inalloca(<{ %struct.NonTrivial }>) %0)24// CHECK-NOT: invoke25// CHECK: musttail call x86_thiscallcc void @"?f@C@@EAEXUNonTrivial@@@Z"(ptr noundef %{{.*}}, ptr inalloca(<{ %struct.NonTrivial }>) %0)26// CHECK-NEXT: ret void27 28