File: 2008-05-09-SinkOfInvoke.ll

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llvm-toolchain-6.0 1:6.0-1~bpo9+1
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; RUN: opt < %s -instcombine -disable-output
; PR2303
	%"struct.std::ctype<char>" = type { %"struct.std::locale::facet", i32*, i8, i32*, i32*, i16*, i8, [256 x i8], [256 x i8], i8 }
	%"struct.std::locale::facet" = type { i32 (...)**, i32 }

declare i32* @_ZNSt6locale5facet15_S_get_c_localeEv()

declare i32** @__ctype_toupper_loc() readnone 

declare i32** @__ctype_tolower_loc() readnone 

define void @_ZNSt5ctypeIcEC2EPiPKtbm(%"struct.std::ctype<char>"* %this, i32* %unnamed_arg, i16* %__table, i8 zeroext  %__del, i64 %__refs) personality i32 (...)* @__gxx_personality_v0 {
entry:
	%tmp8 = invoke i32* @_ZNSt6locale5facet15_S_get_c_localeEv( )
			to label %invcont unwind label %lpad		; <i32*> [#uses=0]

invcont:		; preds = %entry
	%tmp32 = invoke i32** @__ctype_toupper_loc( ) readnone 
			to label %invcont31 unwind label %lpad		; <i32**> [#uses=0]

invcont31:		; preds = %invcont
	%tmp38 = invoke i32** @__ctype_tolower_loc( ) readnone 
			to label %invcont37 unwind label %lpad		; <i32**> [#uses=1]

invcont37:		; preds = %invcont31
	%tmp39 = load i32*, i32** %tmp38, align 8		; <i32*> [#uses=1]
	%tmp41 = getelementptr %"struct.std::ctype<char>", %"struct.std::ctype<char>"* %this, i32 0, i32 4		; <i32**> [#uses=1]
	store i32* %tmp39, i32** %tmp41, align 8
	ret void

lpad:		; preds = %invcont31, %invcont, %entry
        %exn = landingpad {i8*, i32}
                 cleanup
	unreachable
}

declare i32 @__gxx_personality_v0(...)