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!