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1; RUN: opt < %s -indvars -loop-deletion -S |FileCheck %s
2
3; Check IndVarSimplify should replace exit value even if the expansion cost
4; is high because the loop can be deleted after the exit value rewrite.
5;
6; CHECK-LABEL: @_Z3fooPKcjj(
7; CHECK: udiv
8; CHECK: [[LABEL:^[a-zA-Z0-9_.]+]]:
9; CHECK-NOT: br {{.*}} [[LABEL]]
10
11define i32 @_Z3fooPKcjj(i8* nocapture readnone %s, i32 %len, i32 %c) #0 {
12entry:
13  br label %while.cond
14
15while.cond:                                       ; preds = %while.cond, %entry
16  %klen.0 = phi i32 [ %len, %entry ], [ %sub, %while.cond ]
17  %cmp = icmp ugt i32 %klen.0, 11
18  %sub = add i32 %klen.0, -12
19  br i1 %cmp, label %while.cond, label %while.end
20
21while.end:                                        ; preds = %while.cond
22  %klen.0.lcssa = phi i32 [ %klen.0, %while.cond ]
23  ret i32 %klen.0.lcssa
24}
25