1 ; RUN: opt < %s -tailduplicate -taildup-threshold=3 -stats -disable-output 2>&1 | not grep tailduplicate 2 ; XFAIL: * 3 4 define i32 @foo(i32 %l) nounwind { 5 entry: 6 %cond = icmp eq i32 %l, 1 ; <i1> [#uses=1] 7 br i1 %cond, label %bb, label %bb9 8 9 bb: ; preds = %entry 10 br label %bb9 11 12 bb5: ; preds = %bb9 13 %tmp7 = call i32 (...)* @bar( i32 %x.0 ) nounwind ; <i32> [#uses=1] 14 br label %bb9 15 16 bb9: ; preds = %bb5, %bb, %entry 17 %x.0 = phi i32 [ 0, %entry ], [ %tmp7, %bb5 ], [ 1525, %bb ] ; <i32> [#uses=2] 18 %l_addr.0 = phi i32 [ %l, %entry ], [ %tmp11, %bb5 ], [ %l, %bb ] ; <i32> [#uses=1] 19 %tmp11 = add i32 %l_addr.0, -1 ; <i32> [#uses=2] 20 %tmp13 = icmp eq i32 %tmp11, -1 ; <i1> [#uses=1] 21 br i1 %tmp13, label %bb15, label %bb5 22 23 bb15: ; preds = %bb9 24 ret i32 %x.0 25 } 26 27 declare i32 @bar(...) 28
