// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s -O1 | FileCheck %s --check-prefix=O1 // RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s | FileCheck %s // RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s -O1 | FileCheck %s --check-prefix=O1 // Check that GlobalOpt can eliminate static constructors for simple implicit // constructors. This is a targetted integration test to make sure that LLVM's // optimizers are able to process Clang's IR. GlobalOpt in particular is // sensitive to the casts we emit. // CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] // CHECK: [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_ctor_globalopt.cpp, i8* null }] // CHECK-LABEL: define internal void @_GLOBAL__sub_I_ctor_globalopt.cpp() // CHECK: call void @ // CHECK-NOT: call // O1: @llvm.global_ctors = appending global [0 x { i32, void ()*, i8* }] zeroinitializer struct A { virtual void f(); int a; }; struct B : virtual A { virtual void g(); int b; }; B b;