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1; RUN: llc < %s | FileCheck %s
2target datalayout = "e-m:e-i64:64-n32:64"
3target triple = "powerpc64le-unknown-linux-gnu"
4
5@c = external global i32, align 4
6@b = external global [1 x i32], align 4
7
8; Function Attrs: nounwind
9define void @fn2() #0 align 4 {
10  br i1 undef, label %.lr.ph, label %4
11
12; We used to crash because a bad DAGCombine was creating i32-typed SETCC nodes,
13; even when crbits are enabled.
14; CHECK-LABEL: @fn2
15; CHECK: blr
16
17.lr.ph:                                           ; preds = %0
18  br i1 undef, label %.lr.ph.split, label %.preheader
19
20.preheader:                                       ; preds = %.preheader, %.lr.ph
21  br i1 undef, label %.lr.ph.split, label %.preheader
22
23.lr.ph.split:                                     ; preds = %.preheader, %.lr.ph
24  br i1 undef, label %._crit_edge, label %.lr.ph.split.split
25
26.lr.ph.split.split:                               ; preds = %.lr.ph.split.split, %.lr.ph.split
27  %1 = phi i32 [ %2, %.lr.ph.split.split ], [ undef, %.lr.ph.split ]
28  %2 = and i32 %1, and (i32 and (i32 and (i32 and (i32 and (i32 and (i32 and (i32 zext (i1 select (i1 icmp eq ([1 x i32]* bitcast (i32* @c to [1 x i32]*), [1 x i32]* @b), i1 true, i1 false) to i32), i32 zext (i1 select (i1 icmp eq ([1 x i32]* bitcast (i32* @c to [1 x i32]*), [1 x i32]* @b), i1 true, i1 false) to i32)), i32 zext (i1 select (i1 icmp eq ([1 x i32]* bitcast (i32* @c to [1 x i32]*), [1 x i32]* @b), i1 true, i1 false) to i32)), i32 zext (i1 select (i1 icmp eq ([1 x i32]* bitcast (i32* @c to [1 x i32]*), [1 x i32]* @b), i1 true, i1 false) to i32)), i32 zext (i1 select (i1 icmp eq ([1 x i32]* bitcast (i32* @c to [1 x i32]*), [1 x i32]* @b), i1 true, i1 false) to i32)), i32 zext (i1 select (i1 icmp eq ([1 x i32]* bitcast (i32* @c to [1 x i32]*), [1 x i32]* @b), i1 true, i1 false) to i32)), i32 zext (i1 select (i1 icmp eq ([1 x i32]* bitcast (i32* @c to [1 x i32]*), [1 x i32]* @b), i1 true, i1 false) to i32)), i32 zext (i1 select (i1 icmp eq ([1 x i32]* bitcast (i32* @c to [1 x i32]*), [1 x i32]* @b), i1 true, i1 false) to i32))
29  %3 = icmp slt i32 undef, 4
30  br i1 %3, label %.lr.ph.split.split, label %._crit_edge
31
32._crit_edge:                                      ; preds = %.lr.ph.split.split, %.lr.ph.split
33  %.lcssa = phi i32 [ undef, %.lr.ph.split ], [ %2, %.lr.ph.split.split ]
34  br label %4
35
36; <label>:4                                       ; preds = %._crit_edge, %0
37  ret void
38}
39
40attributes #0 = { nounwind "target-cpu"="ppc64le" }
41
42