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; RUN: llc -verify-machineinstrs < %s -mtriple=ppc64--
; PR1596
%struct._obstack_chunk = type { i8* }
%struct.obstack = type { i8*, %struct._obstack_chunk* (i8*, i64)*, i8*, i8 }
define i32 @_obstack_newchunk(%struct.obstack* %h, i32 %length) {
entry:
br i1 false, label %cond_false, label %cond_true
cond_true: ; preds = %entry
br i1 false, label %cond_true28, label %cond_next30
cond_false: ; preds = %entry
%tmp22 = tail call %struct._obstack_chunk* null( i64 undef ) ; <%struct._obstack_chunk*> [#uses=2]
br i1 false, label %cond_true28, label %cond_next30
cond_true28: ; preds = %cond_false, %cond_true
%iftmp.0.043.0 = phi %struct._obstack_chunk* [ null, %cond_true ], [ %tmp22, %cond_false ] ; <%struct._obstack_chunk*> [#uses=1]
tail call void null( )
br label %cond_next30
cond_next30: ; preds = %cond_true28, %cond_false, %cond_true
%iftmp.0.043.1 = phi %struct._obstack_chunk* [ %iftmp.0.043.0, %cond_true28 ], [ null, %cond_true ], [ %tmp22, %cond_false ] ; <%struct._obstack_chunk*> [#uses=1]
%tmp41 = getelementptr %struct._obstack_chunk, %struct._obstack_chunk* %iftmp.0.043.1, i32 0, i32 0 ; <i8**> [#uses=1]
store i8* null, i8** %tmp41, align 8
ret i32 undef
}
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