; RUN: llc < %s ; PR5495 %"struct.std::__ctype_abstract_base<wchar_t>" = type { %"struct.std::locale::facet" } %"struct.std::basic_ios<char,std::char_traits<char> >" = type { %"struct.std::ios_base", %"struct.std::basic_ostream<char,std::char_traits<char> >"*, i8, i8, %"struct.std::basic_streambuf<char,std::char_traits<char> >"*, %"struct.std::ctype<char>"*, %"struct.std::__ctype_abstract_base<wchar_t>"*, %"struct.std::__ctype_abstract_base<wchar_t>"* } %"struct.std::basic_istream<char,std::char_traits<char> >" = type { i32 (...)**, i32, %"struct.std::basic_ios<char,std::char_traits<char> >" } %"struct.std::basic_ostream<char,std::char_traits<char> >" = type { i32 (...)**, %"struct.std::basic_ios<char,std::char_traits<char> >" } %"struct.std::basic_streambuf<char,std::char_traits<char> >" = type { i32 (...)**, i8*, i8*, i8*, i8*, i8*, i8*, %"struct.std::locale" } %"struct.std::ctype<char>" = type { %"struct.std::locale::facet", i32*, i8, i32*, i32*, i16*, i8, [256 x i8], [256 x i8], i8 } %"struct.std::ios_base" = type { i32 (...)**, i32, i32, i32, i32, i32, %"struct.std::ios_base::_Callback_list"*, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, %"struct.std::ios_base::_Words"*, %"struct.std::locale" } %"struct.std::ios_base::_Callback_list" = type { %"struct.std::ios_base::_Callback_list"*, void (i32, %"struct.std::ios_base"*, i32)*, i32, i32 } %"struct.std::ios_base::_Words" = type { i8*, i32 } %"struct.std::locale" = type { %"struct.std::locale::_Impl"* } %"struct.std::locale::_Impl" = type { i32, %"struct.std::locale::facet"**, i32, %"struct.std::locale::facet"**, i8** } %"struct.std::locale::facet" = type { i32 (...)**, i32 } %union..0._15 = type { i32 } declare i8* @llvm.eh.exception() nounwind readonly declare i8* @__cxa_begin_catch(i8*) nounwind declare %"struct.std::ctype<char>"* @_ZSt9use_facetISt5ctypeIcEERKT_RKSt6locale(%"struct.std::locale"*) define %"struct.std::basic_istream<char,std::char_traits<char> >"* @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_PS3_(%"struct.std::basic_istream<char,std::char_traits<char> >"* %__in, i8* nocapture %__s) { entry: %0 = invoke %"struct.std::ctype<char>"* @_ZSt9use_facetISt5ctypeIcEERKT_RKSt6locale(%"struct.std::locale"* undef) to label %invcont8 unwind label %lpad74 ; <%"struct.std::ctype<char>"*> [#uses=0] invcont8: ; preds = %entry %1 = invoke i32 undef(%"struct.std::basic_streambuf<char,std::char_traits<char> >"* undef) to label %bb26.preheader unwind label %lpad ; <i32> [#uses=0] bb26.preheader: ; preds = %invcont8 br label %invcont38 bb1.i100: ; preds = %invcont38 %2 = add nsw i32 1, %__extracted.0 ; <i32> [#uses=3] br i1 undef, label %bb.i97, label %bb1.i bb.i97: ; preds = %bb1.i100 br label %invcont38 bb1.i: ; preds = %bb1.i100 %3 = invoke i32 undef(%"struct.std::basic_streambuf<char,std::char_traits<char> >"* undef) to label %invcont38 unwind label %lpad ; <i32> [#uses=0] invcont24: ; preds = %invcont38 %4 = invoke i32 undef(%"struct.std::basic_streambuf<char,std::char_traits<char> >"* undef) to label %_ZNSt15basic_streambufIcSt11char_traitsIcEE6sbumpcEv.exit.i unwind label %lpad ; <i32> [#uses=0] _ZNSt15basic_streambufIcSt11char_traitsIcEE6sbumpcEv.exit.i: ; preds = %invcont24 br i1 undef, label %invcont25, label %bb.i93 bb.i93: ; preds = %_ZNSt15basic_streambufIcSt11char_traitsIcEE6sbumpcEv.exit.i %5 = invoke i32 undef(%"struct.std::basic_streambuf<char,std::char_traits<char> >"* undef) to label %invcont25 unwind label %lpad ; <i32> [#uses=0] invcont25: ; preds = %bb.i93, %_ZNSt15basic_streambufIcSt11char_traitsIcEE6sbumpcEv.exit.i br label %invcont38 invcont38: ; preds = %invcont25, %bb1.i, %bb.i97, %bb26.preheader %__extracted.0 = phi i32 [ 0, %bb26.preheader ], [ undef, %invcont25 ], [ %2, %bb.i97 ], [ %2, %bb1.i ] ; <i32> [#uses=1] br i1 false, label %bb1.i100, label %invcont24 lpad: ; preds = %bb.i93, %invcont24, %bb1.i, %invcont8 %__extracted.1 = phi i32 [ 0, %invcont8 ], [ %2, %bb1.i ], [ undef, %bb.i93 ], [ undef, %invcont24 ] ; <i32> [#uses=0] %lpad1 = landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0 catch i8* null %eh_ptr = extractvalue { i8*, i32 } %lpad1, 0 %6 = call i8* @__cxa_begin_catch(i8* %eh_ptr) nounwind ; <i8*> [#uses=0] unreachable lpad74: ; preds = %entry %lpad2 = landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0 cleanup unreachable } declare i32 @__gxx_personality_v0(...)