1 ; RUN: opt < %s -indvars -loop-deletion -simplifycfg -S | not grep br 2 ; 3 ; Testcase distilled from 256.bzip2 4 5 define i32 @main() { 6 entry: 7 br label %loopentry 8 9 loopentry: ; preds = %loopentry, %entry 10 %indvar1 = phi i32 [ 0, %entry ], [ %indvar.next2, %loopentry ] ; <i32> [#uses=1] 11 %h.0 = phi i32 [ %tmp.2, %loopentry ], [ 4, %entry ] ; <i32> [#uses=1] 12 %tmp.1 = mul i32 %h.0, 3 ; <i32> [#uses=1] 13 %tmp.2 = add i32 %tmp.1, 1 ; <i32> [#uses=2] 14 %indvar.next2 = add i32 %indvar1, 1 ; <i32> [#uses=2] 15 %exitcond3 = icmp ne i32 %indvar.next2, 4 ; <i1> [#uses=1] 16 br i1 %exitcond3, label %loopentry, label %loopexit 17 18 loopexit: ; preds = %loopentry 19 ret i32 %tmp.2 20 } 21 22
