1 ; RUN: opt -S -loop-vectorize < %s | FileCheck %s
3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5 @a = global i32* null, align 8
6 @b = global i32* null, align 8
7 @c = global i32* null, align 8
9 ; Don't create an exponetial IR for the edge masks needed when if-converting
14 ; CHECK-NOT: %6000000 =
16 define void @_Z3fn4i(i32 %p1) {
18 %cmp88 = icmp sgt i32 %p1, 0
19 br i1 %cmp88, label %for.body.lr.ph, label %for.end
22 %0 = load i32*, i32** @b, align 8
23 %1 = load i32*, i32** @a, align 8
24 %2 = load i32*, i32** @c, align 8
28 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %_ZL3fn3ii.exit58 ]
29 %arrayidx = getelementptr inbounds i32, i32* %0, i64 %indvars.iv
30 %3 = load i32, i32* %arrayidx, align 4 %4 = trunc i64 %indvars.iv to i32
31 %and.i = and i32 %4, 1
32 %tobool.i.i = icmp eq i32 %and.i, 0
33 br i1 %tobool.i.i, label %if.end.i, label %if.then.i
36 %and.i.i = lshr i32 %3, 2
37 %and.lobit.i.i = and i32 %and.i.i, 1
38 %5 = xor i32 %and.lobit.i.i, 1
39 %or.i.i = or i32 %5, %3
40 %cmp.i = icmp sgt i32 %or.i.i, 0
41 %conv.i = zext i1 %cmp.i to i32
45 %tobool.i87 = phi i1 [ true, %if.then.i ], [ false, %for.body ]
46 %p1.addr.0.i = phi i32 [ %conv.i, %if.then.i ], [ %3, %for.body ]
47 %6 = trunc i64 %indvars.iv to i32
48 %and1.i = and i32 %6, 7
49 %tobool2.i = icmp eq i32 %and1.i, 0
50 br i1 %tobool2.i, label %if.end7.i, label %if.then3.i
53 %p1.addr.0.lobit.i = lshr i32 %p1.addr.0.i, 31
54 %and6.i = and i32 %p1.addr.0.i, 1
55 %or.i = or i32 %p1.addr.0.lobit.i, %and6.i
59 %p1.addr.1.i = phi i32 [ %or.i, %if.then3.i ], [ %p1.addr.0.i, %if.end.i ]
60 br i1 %tobool.i87, label %if.then10.i, label %if.end13.i
63 %cmp11.i = icmp sgt i32 %p1.addr.1.i, 0
64 %conv12.i = zext i1 %cmp11.i to i32
68 %p1.addr.2.i = phi i32 [ %conv12.i, %if.then10.i ], [ %p1.addr.1.i, %if.end7.i ]
69 br i1 %tobool.i.i, label %_Z3fn2iii.exit, label %if.then16.i
72 %and17.i = lshr i32 %p1.addr.2.i, 3
73 %and17.lobit.i = and i32 %and17.i, 1
74 br label %_Z3fn2iii.exit
77 %p1.addr.3.i = phi i32 [ %and17.lobit.i, %if.then16.i ], [ %p1.addr.2.i, %if.end13.i ]
78 %7 = trunc i64 %indvars.iv to i32
79 %shr.i = ashr i32 %7, 1
80 %and.i18.i = and i32 %shr.i, 1
81 %tobool.i19.i = icmp ne i32 %and.i18.i, 0
82 br i1 %tobool.i19.i, label %if.then.i20.i, label %if.end.i.i
85 %cmp.i.i = icmp sgt i32 %p1.addr.3.i, 0
86 %conv.i.i = zext i1 %cmp.i.i to i32
90 %p1.addr.0.i21.i = phi i32 [ %conv.i.i, %if.then.i20.i ], [ %p1.addr.3.i, %_Z3fn2iii.exit ]
91 %and1.i.i = and i32 %shr.i, 7
92 %tobool2.i.i = icmp eq i32 %and1.i.i, 0
93 br i1 %tobool2.i.i, label %if.end7.i.i, label %if.then3.i.i
96 %p1.addr.0.lobit.i.i = lshr i32 %p1.addr.0.i21.i, 31
97 %and6.i.i = and i32 %p1.addr.0.i21.i, 1
98 %or.i22.i = or i32 %p1.addr.0.lobit.i.i, %and6.i.i
102 %p1.addr.1.i.i = phi i32 [ %or.i22.i, %if.then3.i.i ], [ %p1.addr.0.i21.i, %if.end.i.i ]
103 br i1 %tobool.i19.i, label %if.then10.i.i, label %if.end13.i.i
106 %cmp11.i.i = icmp sgt i32 %p1.addr.1.i.i, 0
107 %conv12.i.i = zext i1 %cmp11.i.i to i32
108 br label %if.end13.i.i
111 %p1.addr.2.i.i = phi i32 [ %conv12.i.i, %if.then10.i.i ], [ %p1.addr.1.i.i, %if.end7.i.i ]
112 %and14.i.i = and i32 %shr.i, 5
113 %tobool15.i.i = icmp eq i32 %and14.i.i, 0
114 br i1 %tobool15.i.i, label %_Z3fn2iii.exit.i, label %if.then16.i.i
117 %and17.i.i = lshr i32 %p1.addr.2.i.i, 3
118 %and17.lobit.i.i = and i32 %and17.i.i, 1
119 br label %_Z3fn2iii.exit.i
122 %p1.addr.3.i.i = phi i32 [ %and17.lobit.i.i, %if.then16.i.i ], [ %p1.addr.2.i.i, %if.end13.i.i ]
123 %8 = trunc i64 %indvars.iv to i32
124 %tobool.i11.i = icmp eq i32 %8, 0
125 br i1 %tobool.i11.i, label %_ZL3fn3ii.exit, label %if.then.i15.i
128 %and.i12.i = lshr i32 %p1.addr.3.i.i, 2
129 %and.lobit.i13.i = and i32 %and.i12.i, 1
130 %9 = xor i32 %and.lobit.i13.i, 1
131 %or.i14.i = or i32 %9, %p1.addr.3.i.i
132 br label %_ZL3fn3ii.exit
135 %p1.addr.0.i16.i = phi i32 [ %or.i14.i, %if.then.i15.i ], [ %p1.addr.3.i.i, %_Z3fn2iii.exit.i ]
136 %arrayidx2 = getelementptr inbounds i32, i32* %1, i64 %indvars.iv
137 store i32 %p1.addr.0.i16.i, i32* %arrayidx2, align 4 %arrayidx4 = getelementptr inbounds i32, i32* %0, i64 %indvars.iv
138 %10 = load i32, i32* %arrayidx4, align 4 br i1 %tobool.i.i, label %_Z3fn1ii.exit.i26, label %if.then.i.i21
141 %and.i.i18 = lshr i32 %10, 2
142 %and.lobit.i.i19 = and i32 %and.i.i18, 1
143 %11 = xor i32 %and.lobit.i.i19, 1
144 %or.i.i20 = or i32 %11, %10
145 br label %_Z3fn1ii.exit.i26
148 %p1.addr.0.i.i22 = phi i32 [ %or.i.i20, %if.then.i.i21 ], [ %10, %_ZL3fn3ii.exit ]
149 br i1 %tobool.i87, label %if.then.i63, label %if.end.i67
152 %cmp.i61 = icmp sgt i32 %p1.addr.0.i.i22, 0
153 %conv.i62 = zext i1 %cmp.i61 to i32
157 %p1.addr.0.i64 = phi i32 [ %conv.i62, %if.then.i63 ], [ %p1.addr.0.i.i22, %_Z3fn1ii.exit.i26 ]
158 br i1 %tobool2.i, label %if.end7.i73, label %if.then3.i71
161 %p1.addr.0.lobit.i68 = lshr i32 %p1.addr.0.i64, 31
162 %and6.i69 = and i32 %p1.addr.0.i64, 1
163 %or.i70 = or i32 %p1.addr.0.lobit.i68, %and6.i69
164 br label %if.end7.i73
167 %p1.addr.1.i72 = phi i32 [ %or.i70, %if.then3.i71 ], [ %p1.addr.0.i64, %if.end.i67 ]
168 br i1 %tobool.i87, label %if.then10.i76, label %if.end13.i80
171 %cmp11.i74 = icmp sgt i32 %p1.addr.1.i72, 0
172 %conv12.i75 = zext i1 %cmp11.i74 to i32
173 br label %if.end13.i80
176 %p1.addr.2.i77 = phi i32 [ %conv12.i75, %if.then10.i76 ], [ %p1.addr.1.i72, %if.end7.i73 ]
177 br i1 %tobool.i.i, label %_Z3fn2iii.exit85, label %if.then16.i83
180 %and17.i81 = lshr i32 %p1.addr.2.i77, 3
181 %and17.lobit.i82 = and i32 %and17.i81, 1
182 br label %_Z3fn2iii.exit85
185 %p1.addr.3.i84 = phi i32 [ %and17.lobit.i82, %if.then16.i83 ], [ %p1.addr.2.i77, %if.end13.i80 ]
186 br i1 %tobool.i19.i, label %if.then.i20.i29, label %if.end.i.i33
189 %cmp.i.i27 = icmp sgt i32 %p1.addr.3.i84, 0
190 %conv.i.i28 = zext i1 %cmp.i.i27 to i32
191 br label %if.end.i.i33
194 %p1.addr.0.i21.i30 = phi i32 [ %conv.i.i28, %if.then.i20.i29 ], [ %p1.addr.3.i84, %_Z3fn2iii.exit85 ]
195 br i1 %tobool2.i.i, label %if.end7.i.i39, label %if.then3.i.i37
198 %p1.addr.0.lobit.i.i34 = lshr i32 %p1.addr.0.i21.i30, 31
199 %and6.i.i35 = and i32 %p1.addr.0.i21.i30, 1
200 %or.i22.i36 = or i32 %p1.addr.0.lobit.i.i34, %and6.i.i35
201 br label %if.end7.i.i39
204 %p1.addr.1.i.i38 = phi i32 [ %or.i22.i36, %if.then3.i.i37 ], [ %p1.addr.0.i21.i30, %if.end.i.i33 ]
205 br i1 %tobool.i19.i, label %if.then10.i.i42, label %if.end13.i.i46
208 %cmp11.i.i40 = icmp sgt i32 %p1.addr.1.i.i38, 0
209 %conv12.i.i41 = zext i1 %cmp11.i.i40 to i32
210 br label %if.end13.i.i46
213 %p1.addr.2.i.i43 = phi i32 [ %conv12.i.i41, %if.then10.i.i42 ], [ %p1.addr.1.i.i38, %if.end7.i.i39 ]
214 br i1 %tobool15.i.i, label %_Z3fn2iii.exit.i52, label %if.then16.i.i49
217 %and17.i.i47 = lshr i32 %p1.addr.2.i.i43, 3
218 %and17.lobit.i.i48 = and i32 %and17.i.i47, 1
219 br label %_Z3fn2iii.exit.i52
222 %p1.addr.3.i.i50 = phi i32 [ %and17.lobit.i.i48, %if.then16.i.i49 ], [ %p1.addr.2.i.i43, %if.end13.i.i46 ]
223 br i1 %tobool.i11.i, label %_ZL3fn3ii.exit58, label %if.then.i15.i56
226 %and.i12.i53 = lshr i32 %p1.addr.3.i.i50, 2
227 %and.lobit.i13.i54 = and i32 %and.i12.i53, 1
228 %12 = xor i32 %and.lobit.i13.i54, 1
229 %or.i14.i55 = or i32 %12, %p1.addr.3.i.i50
230 br label %_ZL3fn3ii.exit58
233 %p1.addr.0.i16.i57 = phi i32 [ %or.i14.i55, %if.then.i15.i56 ], [ %p1.addr.3.i.i50, %_Z3fn2iii.exit.i52 ]
234 %arrayidx7 = getelementptr inbounds i32, i32* %2, i64 %indvars.iv
235 store i32 %p1.addr.0.i16.i57, i32* %arrayidx7, align 4 %indvars.iv.next = add i64 %indvars.iv, 1
236 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
237 %exitcond = icmp ne i32 %lftr.wideiv, %p1
238 br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge
240 for.cond.for.end_crit_edge: