1*67e74705SXin Li // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s 2*67e74705SXin Li // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s -O2 | opt - -S -globalopt -o - | FileCheck %s --check-prefix=O1 3*67e74705SXin Li // RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s | FileCheck %s 4*67e74705SXin Li // RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s -O2 | opt - -S -globalopt -o - | FileCheck %s --check-prefix=O1 5*67e74705SXin Li 6*67e74705SXin Li // Check that GlobalOpt can eliminate static constructors for simple implicit 7*67e74705SXin Li // constructors. This is a targeted integration test to make sure that LLVM's 8*67e74705SXin Li // optimizers are able to process Clang's IR. GlobalOpt in particular is 9*67e74705SXin Li // sensitive to the casts we emit. 10*67e74705SXin Li 11*67e74705SXin Li // CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] 12*67e74705SXin Li // CHECK: [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_ctor_globalopt.cpp, i8* null }] 13*67e74705SXin Li 14*67e74705SXin Li // CHECK-LABEL: define internal {{.*}}void @_GLOBAL__sub_I_ctor_globalopt.cpp() 15*67e74705SXin Li // CHECK: call {{.*}}void @ 16*67e74705SXin Li // CHECK-NOT: call{{ }} 17*67e74705SXin Li 18*67e74705SXin Li // O1: @llvm.global_ctors = appending global [0 x { i32, void ()*, i8* }] zeroinitializer 19*67e74705SXin Li 20*67e74705SXin Li struct A { 21*67e74705SXin Li virtual void f(); 22*67e74705SXin Li int a; 23*67e74705SXin Li }; 24*67e74705SXin Li struct B : virtual A { 25*67e74705SXin Li virtual void g(); 26*67e74705SXin Li int b; 27*67e74705SXin Li }; 28*67e74705SXin Li B b; 29