1 ; RUN: opt < %s -loop-rotate -verify-dom-info -verify-loop-info -disable-output 2 ; ModuleID = 'PhiSelfReference-1.bc' 3 4 define void @snrm2(i32 %incx) { 5 entry: 6 br i1 false, label %START, label %return 7 8 START: ; preds = %entry 9 br i1 false, label %bb85, label %cond_false93 10 11 bb52: ; preds = %bb85 12 br i1 false, label %bb307, label %cond_next71 13 14 cond_next71: ; preds = %bb52 15 ret void 16 17 bb85: ; preds = %START 18 br i1 false, label %bb52, label %bb88 19 20 bb88: ; preds = %bb85 21 ret void 22 23 cond_false93: ; preds = %START 24 ret void 25 26 bb243: ; preds = %bb307 27 br label %bb307 28 29 bb307: ; preds = %bb243, %bb52 30 %sx_addr.2.pn = phi float* [ %sx_addr.5, %bb243 ], [ null, %bb52 ] ; <float*> [#uses=1] 31 %sx_addr.5 = getelementptr float, float* %sx_addr.2.pn, i32 %incx ; <float*> [#uses=1] 32 br i1 false, label %bb243, label %bb310 33 34 bb310: ; preds = %bb307 35 ret void 36 37 return: ; preds = %entry 38 ret void 39 } 40
