1; RUN: llc < %s -march=ppc64 2; PR1596 3 4 %struct._obstack_chunk = type { i8* } 5 %struct.obstack = type { i8*, %struct._obstack_chunk* (i8*, i64)*, i8*, i8 } 6 7define i32 @_obstack_newchunk(%struct.obstack* %h, i32 %length) { 8entry: 9 br i1 false, label %cond_false, label %cond_true 10 11cond_true: ; preds = %entry 12 br i1 false, label %cond_true28, label %cond_next30 13 14cond_false: ; preds = %entry 15 %tmp22 = tail call %struct._obstack_chunk* null( i64 undef ) ; <%struct._obstack_chunk*> [#uses=2] 16 br i1 false, label %cond_true28, label %cond_next30 17 18cond_true28: ; preds = %cond_false, %cond_true 19 %iftmp.0.043.0 = phi %struct._obstack_chunk* [ null, %cond_true ], [ %tmp22, %cond_false ] ; <%struct._obstack_chunk*> [#uses=1] 20 tail call void null( ) 21 br label %cond_next30 22 23cond_next30: ; preds = %cond_true28, %cond_false, %cond_true 24 %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] 25 %tmp41 = getelementptr %struct._obstack_chunk, %struct._obstack_chunk* %iftmp.0.043.1, i32 0, i32 0 ; <i8**> [#uses=1] 26 store i8* null, i8** %tmp41, align 8 27 ret i32 undef 28} 29