1 ; RUN: opt -loop-reduce -S < %s | FileCheck %s
3 ; Indirect branch in the preheader crashes replaceCongruentIVs.
6 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"
13 define void @test() nounwind ssp {
17 bb8: ; preds = %bb190, %bb11
18 %tmp = phi i8 [ %tmp14, %bb11 ], [ 25, %bb190 ]
19 %tmp9 = phi i8 [ %tmp12, %bb11 ], [ 25, %bb190 ]
20 %tmp10 = add i8 %tmp, -5
21 indirectbr i8* undef, [label %bb11, label %bb15]
24 %tmp12 = add i8 %tmp9, 1
25 %tmp13 = add i8 %tmp9, -19
26 %tmp14 = add i8 %tmp, 1
27 indirectbr i8* undef, [label %bb8]
30 indirectbr i8* undef, [label %bb16]
32 bb16: ; preds = %bb16, %bb15
33 indirectbr i8* undef, [label %bb37, label %bb190]
36 bb37: ; preds = %bb190
37 indirectbr i8* undef, [label %bb38]
39 bb38: ; preds = %bb37, %bb5
42 bb190: ; preds = %bb189, %bb187
43 indirectbr i8* undef, [label %bb37, label %bb8]