1 ; Loop is elimianted. Save last value assignments, including induction variable.
2 ; RUN: opt < %s -loop-index-split -disable-output -stats | not grep "loop-index-split"
5 declare i32 @bar(i32, i32)
7 define void @foobar(i32 %a, i32 %b) {
11 bb: ; preds = %cond_next, %entry
12 %i.01.0 = phi i32 [ 0, %entry ], [ %tmp8, %cond_next ] ; <i32> [#uses=3]
13 %tsum.16.0 = phi i32 [ 42, %entry ], [ %tsum.0, %cond_next ] ; <i32> [#uses=2]
14 %tmp1 = icmp eq i32 %i.01.0, 50 ; <i1> [#uses=1]
15 br i1 %tmp1, label %cond_true, label %cond_next
17 cond_true: ; preds = %bb
18 %tmp4 = tail call i32 @foo( i32 %i.01.0 ) ; <i32> [#uses=1]
19 %tmp6 = add i32 %tmp4, %tsum.16.0 ; <i32> [#uses=1]
22 cond_next: ; preds = %bb, %cond_true
23 %tsum.0 = phi i32 [ %tmp6, %cond_true ], [ %tsum.16.0, %bb ] ; <i32> [#uses=2]
24 %tmp8 = add i32 %i.01.0, 1 ; <i32> [#uses=3]
25 %tmp11 = icmp slt i32 %tmp8, 100 ; <i1> [#uses=1]
26 br i1 %tmp11, label %bb, label %bb14
28 bb14: ; preds = %cond_next
29 %tmp8.lcssa = phi i32 [ %tmp8, %cond_next ] ; <i32> [#uses=1]
30 %tsum.0.lcssa = phi i32 [ %tsum.0, %cond_next ] ; <i32> [#uses=1]
31 %tmp17 = tail call i32 @bar( i32 %tmp8.lcssa, i32 %tsum.0.lcssa ) ; <i32> [#uses=0]