1 // RUN: %clang_cc1 -fexceptions -fcxx-exceptions %s -triple=i686-windows-msvc -emit-llvm -o - | FileCheck %s 2 3 // When generating thunks using musttail due to inalloca parameters, don't push 4 // and pop terminate scopes. PR44987 5 6 struct NonTrivial { 7 NonTrivial(); 8 NonTrivial(const NonTrivial &o); 9 ~NonTrivial(); 10 int x; 11 }; 12 struct A { 13 virtual void f(NonTrivial o) noexcept; 14 }; 15 struct B { 16 virtual void f(NonTrivial o) noexcept; 17 }; 18 class C : A, B { 19 virtual void f(NonTrivial o) noexcept; 20 }; 21 C 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: invoke 25 // CHECK: musttail call x86_thiscallcc void @"?f@C@@EAEXUNonTrivial@@@Z"(ptr noundef %{{.*}}, ptr inalloca(<{ %struct.NonTrivial }>) %0) 26 // CHECK-NEXT: ret void 27 28