2007-04-30-LandingPadBranchFolding.ll
2.12 KB
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; RUN: llc < %s
; PR1228
%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >::_Alloc_hider" = type { i8* }
%"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 }
%"struct.std::string" = type { %"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >::_Alloc_hider" }
define void @_ZNKSt6locale4nameEv(%"struct.std::string"* %agg.result) personality i32 (...)* @__gxx_personality_v0 {
entry:
%tmp105 = icmp eq i8* null, null ; <i1> [#uses=1]
br i1 %tmp105, label %cond_true, label %cond_true222
cond_true: ; preds = %entry
invoke void @_ZNSs14_M_replace_auxEjjjc( )
to label %cond_next1328 unwind label %cond_true1402
cond_true222: ; preds = %cond_true222, %entry
%tmp207 = call i32 @strcmp( ) ; <i32> [#uses=1]
%tmp208 = icmp eq i32 %tmp207, 0 ; <i1> [#uses=2]
%bothcond1480 = and i1 %tmp208, false ; <i1> [#uses=1]
br i1 %bothcond1480, label %cond_true222, label %cond_next226.loopexit
cond_next226.loopexit: ; preds = %cond_true222
%phitmp = xor i1 %tmp208, true ; <i1> [#uses=1]
br i1 %phitmp, label %cond_false280, label %cond_true235
cond_true235: ; preds = %cond_next226.loopexit
invoke void @_ZNSs6assignEPKcj( )
to label %cond_next1328 unwind label %cond_true1402
cond_false280: ; preds = %cond_next226.loopexit
invoke void @_ZNSs7reserveEj( )
to label %invcont282 unwind label %cond_true1402
invcont282: ; preds = %cond_false280
invoke void @_ZNSs6appendEPKcj( )
to label %invcont317 unwind label %cond_true1402
invcont317: ; preds = %invcont282
ret void
cond_next1328: ; preds = %cond_true235, %cond_true
ret void
cond_true1402: ; preds = %invcont282, %cond_false280, %cond_true235, %cond_true
%lpad = landingpad { i8*, i32 }
cleanup
ret void
}
declare void @_ZNSs14_M_replace_auxEjjjc()
declare i32 @strcmp()
declare void @_ZNSs6assignEPKcj()
declare void @_ZNSs7reserveEj()
declare void @_ZNSs6appendEPKcj()
declare i32 @__gxx_personality_v0(...)