1; RUN: opt < %s -passes=instcombine -disable-output 2; PR2303 3 %"struct.std::ctype<char>" = type { %"struct.std::locale::facet", ptr, i8, ptr, ptr, ptr, i8, [256 x i8], [256 x i8], i8 } 4 %"struct.std::locale::facet" = type { ptr, i32 } 5 6declare ptr @_ZNSt6locale5facet15_S_get_c_localeEv() 7 8declare ptr @__ctype_toupper_loc() readnone 9 10declare ptr @__ctype_tolower_loc() readnone 11 12define void @_ZNSt5ctypeIcEC2EPiPKtbm(ptr %this, ptr %unnamed_arg, ptr %__table, i8 zeroext %__del, i64 %__refs) personality ptr @__gxx_personality_v0 { 13entry: 14 %tmp8 = invoke ptr @_ZNSt6locale5facet15_S_get_c_localeEv( ) 15 to label %invcont unwind label %lpad ; <ptr> [#uses=0] 16 17invcont: ; preds = %entry 18 %tmp32 = invoke ptr @__ctype_toupper_loc( ) readnone 19 to label %invcont31 unwind label %lpad ; <ptr> [#uses=0] 20 21invcont31: ; preds = %invcont 22 %tmp38 = invoke ptr @__ctype_tolower_loc( ) readnone 23 to label %invcont37 unwind label %lpad ; <ptr> [#uses=1] 24 25invcont37: ; preds = %invcont31 26 %tmp39 = load ptr, ptr %tmp38, align 8 ; <ptr> [#uses=1] 27 %tmp41 = getelementptr %"struct.std::ctype<char>", ptr %this, i32 0, i32 4 ; <ptr> [#uses=1] 28 store ptr %tmp39, ptr %tmp41, align 8 29 ret void 30 31lpad: ; preds = %invcont31, %invcont, %entry 32 %exn = landingpad {ptr, i32} 33 cleanup 34 unreachable 35} 36 37declare i32 @__gxx_personality_v0(...) 38