1 ; RUN: llc -verify-machineinstrs < %s
3 ; The lowering of a switch combined with constand folding would leave spurious extra arguments on a PHI instruction.
5 target triple = "x86_64-apple-darwin10"
8 br label %cond_true813.i
10 cond_true813.i: ; preds = %0
11 br i1 false, label %cond_true818.i, label %cond_next1146.i
13 cond_true818.i: ; preds = %cond_true813.i
14 br i1 false, label %recog_memoized.exit52, label %cond_next1146.i
16 recog_memoized.exit52: ; preds = %cond_true818.i
17 switch i32 0, label %bb886.i.preheader [
19 i32 44, label %bb866.i
20 i32 103, label %bb874.i
21 i32 114, label %bb874.i
24 bb857.i: ; preds = %bb886.i, %bb866.i
25 %tmp862.i494.24 = phi i8* [ null, %bb866.i ], [ %tmp862.i494.26, %bb886.i ] ; <i8*> [#uses=1]
26 switch i32 0, label %bb886.i.preheader [
28 i32 44, label %bb866.i
29 i32 103, label %bb874.i
30 i32 114, label %bb874.i
33 bb866.i.loopexit: ; preds = %bb874.i
36 bb866.i.loopexit31: ; preds = %cond_true903.i
39 bb866.i: ; preds = %bb866.i.loopexit31, %bb866.i.loopexit, %bb857.i, %recog_memoized.exit52
40 br i1 false, label %bb907.i, label %bb857.i
42 bb874.i.preheader.loopexit: ; preds = %cond_true903.i, %cond_true903.i
45 bb874.i: ; preds = %bb857.i, %bb857.i, %recog_memoized.exit52, %recog_memoized.exit52
46 switch i32 0, label %bb886.i.preheader.loopexit [
48 i32 44, label %bb866.i.loopexit
49 i32 103, label %bb874.i.backedge
50 i32 114, label %bb874.i.backedge
53 bb874.i.backedge: ; preds = %bb874.i, %bb874.i
56 bb886.i.preheader.loopexit: ; preds = %bb874.i
59 bb886.i.preheader: ; preds = %bb857.i, %recog_memoized.exit52
60 %tmp862.i494.26 = phi i8* [ undef, %recog_memoized.exit52 ], [ %tmp862.i494.24, %bb857.i ] ; <i8*> [#uses=1]
63 bb886.i: ; preds = %cond_true903.i, %bb886.i.preheader
64 br i1 false, label %bb857.i, label %cond_true903.i
66 cond_true903.i: ; preds = %bb886.i
67 switch i32 0, label %bb886.i [
69 i32 44, label %bb866.i.loopexit31
70 i32 103, label %bb874.i.preheader.loopexit
71 i32 114, label %bb874.i.preheader.loopexit
74 bb907.i: ; preds = %cond_true903.i, %bb874.i, %bb866.i, %bb857.i, %recog_memoized.exit52
75 br i1 false, label %cond_next1146.i, label %cond_true910.i
77 cond_true910.i: ; preds = %bb907.i
80 cond_next1146.i: ; preds = %bb907.i, %cond_true818.i, %cond_true813.i
83 bb2060.i: ; No predecessors!
84 br i1 false, label %cond_true2064.i, label %bb2067.i
86 cond_true2064.i: ; preds = %bb2060.i
89 bb2067.i: ; preds = %bb2060.i
92 cond_next3473: ; No predecessors!
95 cond_next3521: ; No predecessors!