1 ; RUN: opt -dse -S < %s | FileCheck %s 2 3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 4 target triple = "x86_64-apple-darwin" 5 6 %"class.std::auto_ptr" = type { i32* } 7 8 ; CHECK: @_Z3foov 9 define void @_Z3foov(%"class.std::auto_ptr"* noalias nocapture sret %agg.result) uwtable ssp { 10 _ZNSt8auto_ptrIiED1Ev.exit: 11 %temp.lvalue = alloca %"class.std::auto_ptr", align 8 12 call void @_Z3barv(%"class.std::auto_ptr"* sret %temp.lvalue) 13 %_M_ptr.i.i = getelementptr inbounds %"class.std::auto_ptr"* %temp.lvalue, i64 0, i32 0 14 %tmp.i.i = load i32** %_M_ptr.i.i, align 8, !tbaa !0 15 ; CHECK-NOT: store i32* null 16 store i32* null, i32** %_M_ptr.i.i, align 8, !tbaa !0 17 %_M_ptr.i.i4 = getelementptr inbounds %"class.std::auto_ptr"* %agg.result, i64 0, i32 0 18 store i32* %tmp.i.i, i32** %_M_ptr.i.i4, align 8, !tbaa !0 19 ; CHECK: ret void 20 ret void 21 } 22 23 declare void @_Z3barv(%"class.std::auto_ptr"* sret) 24 25 !0 = metadata !{metadata !"any pointer", metadata !1} 26 !1 = metadata !{metadata !"omnipotent char", metadata !2} 27 !2 = metadata !{metadata !"Simple C/C++ TBAA", null} 28
