| Reid Kleckner | 8d58513 | 2014-12-03 21:00:21 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s |
| 2 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s -O1 | FileCheck %s --check-prefix=O1 |
| 3 | // RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s | FileCheck %s |
| 4 | // RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s -O1 | FileCheck %s --check-prefix=O1 |
| 5 | |
| 6 | // Check that GlobalOpt can eliminate static constructors for simple implicit |
| 7 | // constructors. This is a targetted integration test to make sure that LLVM's |
| 8 | // optimizers are able to process Clang's IR. GlobalOpt in particular is |
| 9 | // sensitive to the casts we emit. |
| 10 | |
| 11 | // CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] |
| 12 | // CHECK: [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_ctor_globalopt.cpp, i8* null }] |
| 13 | |
| 14 | // CHECK-LABEL: define internal void @_GLOBAL__sub_I_ctor_globalopt.cpp() |
| 15 | // CHECK: call void @ |
| 16 | // CHECK-NOT: call |
| 17 | |
| 18 | // O1: @llvm.global_ctors = appending global [0 x { i32, void ()*, i8* }] zeroinitializer |
| 19 | |
| 20 | struct A { |
| 21 | virtual void f(); |
| 22 | int a; |
| 23 | }; |
| 24 | struct B : virtual A { |
| 25 | virtual void g(); |
| 26 | int b; |
| 27 | }; |
| 28 | B b; |