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"
4 target triple = "x86_64-apple-macosx10.9.0"
6 @a = global i32* null, align 8
7 @b = global i32* null, align 8
8 @c = global i32* null, align 8
10 ; Don't create an exponetial IR for the edge masks needed when if-converting
15 ; CHECK-NOT: %6000000 =
17 define void @_Z3fn4i(i32 %p1) {
19 %cmp88 = icmp sgt i32 %p1, 0
20 br i1 %cmp88, label %for.body.lr.ph, label %for.end
23 %0 = load i32*, i32** @b, align 8
24 %1 = load i32*, i32** @a, align 8
25 %2 = load i32*, i32** @c, align 8
29 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %_ZL3fn3ii.exit58 ]
30 %arrayidx = getelementptr inbounds i32, i32* %0, i64 %indvars.iv
31 %3 = load i32, i32* %arrayidx, align 4 %4 = trunc i64 %indvars.iv to i32
32 %and.i = and i32 %4, 1
33 %tobool.i.i = icmp eq i32 %and.i, 0
34 br i1 %tobool.i.i, label %if.end.i, label %if.then.i
37 %and.i.i = lshr i32 %3, 2
38 %and.lobit.i.i = and i32 %and.i.i, 1
39 %5 = xor i32 %and.lobit.i.i, 1
40 %or.i.i = or i32 %5, %3
41 %cmp.i = icmp sgt i32 %or.i.i, 0
42 %conv.i = zext i1 %cmp.i to i32
46 %tobool.i87 = phi i1 [ true, %if.then.i ], [ false, %for.body ]
47 %p1.addr.0.i = phi i32 [ %conv.i, %if.then.i ], [ %3, %for.body ]
48 %6 = trunc i64 %indvars.iv to i32
49 %and1.i = and i32 %6, 7
50 %tobool2.i = icmp eq i32 %and1.i, 0
51 br i1 %tobool2.i, label %if.end7.i, label %if.then3.i
54 %p1.addr.0.lobit.i = lshr i32 %p1.addr.0.i, 31
55 %and6.i = and i32 %p1.addr.0.i, 1
56 %or.i = or i32 %p1.addr.0.lobit.i, %and6.i
60 %p1.addr.1.i = phi i32 [ %or.i, %if.then3.i ], [ %p1.addr.0.i, %if.end.i ]
61 br i1 %tobool.i87, label %if.then10.i, label %if.end13.i
64 %cmp11.i = icmp sgt i32 %p1.addr.1.i, 0
65 %conv12.i = zext i1 %cmp11.i to i32
69 %p1.addr.2.i = phi i32 [ %conv12.i, %if.then10.i ], [ %p1.addr.1.i, %if.end7.i ]
70 br i1 %tobool.i.i, label %_Z3fn2iii.exit, label %if.then16.i
73 %and17.i = lshr i32 %p1.addr.2.i, 3
74 %and17.lobit.i = and i32 %and17.i, 1
75 br label %_Z3fn2iii.exit
78 %p1.addr.3.i = phi i32 [ %and17.lobit.i, %if.then16.i ], [ %p1.addr.2.i, %if.end13.i ]
79 %7 = trunc i64 %indvars.iv to i32
80 %shr.i = ashr i32 %7, 1
81 %and.i18.i = and i32 %shr.i, 1
82 %tobool.i19.i = icmp ne i32 %and.i18.i, 0
83 br i1 %tobool.i19.i, label %if.then.i20.i, label %if.end.i.i
86 %cmp.i.i = icmp sgt i32 %p1.addr.3.i, 0
87 %conv.i.i = zext i1 %cmp.i.i to i32
91 %p1.addr.0.i21.i = phi i32 [ %conv.i.i, %if.then.i20.i ], [ %p1.addr.3.i, %_Z3fn2iii.exit ]
92 %and1.i.i = and i32 %shr.i, 7
93 %tobool2.i.i = icmp eq i32 %and1.i.i, 0
94 br i1 %tobool2.i.i, label %if.end7.i.i, label %if.then3.i.i
97 %p1.addr.0.lobit.i.i = lshr i32 %p1.addr.0.i21.i, 31
98 %and6.i.i = and i32 %p1.addr.0.i21.i, 1
99 %or.i22.i = or i32 %p1.addr.0.lobit.i.i, %and6.i.i
100 br label %if.end7.i.i
103 %p1.addr.1.i.i = phi i32 [ %or.i22.i, %if.then3.i.i ], [ %p1.addr.0.i21.i, %if.end.i.i ]
104 br i1 %tobool.i19.i, label %if.then10.i.i, label %if.end13.i.i
107 %cmp11.i.i = icmp sgt i32 %p1.addr.1.i.i, 0
108 %conv12.i.i = zext i1 %cmp11.i.i to i32
109 br label %if.end13.i.i
112 %p1.addr.2.i.i = phi i32 [ %conv12.i.i, %if.then10.i.i ], [ %p1.addr.1.i.i, %if.end7.i.i ]
113 %and14.i.i = and i32 %shr.i, 5
114 %tobool15.i.i = icmp eq i32 %and14.i.i, 0
115 br i1 %tobool15.i.i, label %_Z3fn2iii.exit.i, label %if.then16.i.i
118 %and17.i.i = lshr i32 %p1.addr.2.i.i, 3
119 %and17.lobit.i.i = and i32 %and17.i.i, 1
120 br label %_Z3fn2iii.exit.i
123 %p1.addr.3.i.i = phi i32 [ %and17.lobit.i.i, %if.then16.i.i ], [ %p1.addr.2.i.i, %if.end13.i.i ]
124 %8 = trunc i64 %indvars.iv to i32
125 %tobool.i11.i = icmp eq i32 %8, 0
126 br i1 %tobool.i11.i, label %_ZL3fn3ii.exit, label %if.then.i15.i
129 %and.i12.i = lshr i32 %p1.addr.3.i.i, 2
130 %and.lobit.i13.i = and i32 %and.i12.i, 1
131 %9 = xor i32 %and.lobit.i13.i, 1
132 %or.i14.i = or i32 %9, %p1.addr.3.i.i
133 br label %_ZL3fn3ii.exit
136 %p1.addr.0.i16.i = phi i32 [ %or.i14.i, %if.then.i15.i ], [ %p1.addr.3.i.i, %_Z3fn2iii.exit.i ]
137 %arrayidx2 = getelementptr inbounds i32, i32* %1, i64 %indvars.iv
138 store i32 %p1.addr.0.i16.i, i32* %arrayidx2, align 4 %arrayidx4 = getelementptr inbounds i32, i32* %0, i64 %indvars.iv
139 %10 = load i32, i32* %arrayidx4, align 4 br i1 %tobool.i.i, label %_Z3fn1ii.exit.i26, label %if.then.i.i21
142 %and.i.i18 = lshr i32 %10, 2
143 %and.lobit.i.i19 = and i32 %and.i.i18, 1
144 %11 = xor i32 %and.lobit.i.i19, 1
145 %or.i.i20 = or i32 %11, %10
146 br label %_Z3fn1ii.exit.i26
149 %p1.addr.0.i.i22 = phi i32 [ %or.i.i20, %if.then.i.i21 ], [ %10, %_ZL3fn3ii.exit ]
150 br i1 %tobool.i87, label %if.then.i63, label %if.end.i67
153 %cmp.i61 = icmp sgt i32 %p1.addr.0.i.i22, 0
154 %conv.i62 = zext i1 %cmp.i61 to i32
158 %p1.addr.0.i64 = phi i32 [ %conv.i62, %if.then.i63 ], [ %p1.addr.0.i.i22, %_Z3fn1ii.exit.i26 ]
159 br i1 %tobool2.i, label %if.end7.i73, label %if.then3.i71
162 %p1.addr.0.lobit.i68 = lshr i32 %p1.addr.0.i64, 31
163 %and6.i69 = and i32 %p1.addr.0.i64, 1
164 %or.i70 = or i32 %p1.addr.0.lobit.i68, %and6.i69
165 br label %if.end7.i73
168 %p1.addr.1.i72 = phi i32 [ %or.i70, %if.then3.i71 ], [ %p1.addr.0.i64, %if.end.i67 ]
169 br i1 %tobool.i87, label %if.then10.i76, label %if.end13.i80
172 %cmp11.i74 = icmp sgt i32 %p1.addr.1.i72, 0
173 %conv12.i75 = zext i1 %cmp11.i74 to i32
174 br label %if.end13.i80
177 %p1.addr.2.i77 = phi i32 [ %conv12.i75, %if.then10.i76 ], [ %p1.addr.1.i72, %if.end7.i73 ]
178 br i1 %tobool.i.i, label %_Z3fn2iii.exit85, label %if.then16.i83
181 %and17.i81 = lshr i32 %p1.addr.2.i77, 3
182 %and17.lobit.i82 = and i32 %and17.i81, 1
183 br label %_Z3fn2iii.exit85
186 %p1.addr.3.i84 = phi i32 [ %and17.lobit.i82, %if.then16.i83 ], [ %p1.addr.2.i77, %if.end13.i80 ]
187 br i1 %tobool.i19.i, label %if.then.i20.i29, label %if.end.i.i33
190 %cmp.i.i27 = icmp sgt i32 %p1.addr.3.i84, 0
191 %conv.i.i28 = zext i1 %cmp.i.i27 to i32
192 br label %if.end.i.i33
195 %p1.addr.0.i21.i30 = phi i32 [ %conv.i.i28, %if.then.i20.i29 ], [ %p1.addr.3.i84, %_Z3fn2iii.exit85 ]
196 br i1 %tobool2.i.i, label %if.end7.i.i39, label %if.then3.i.i37
199 %p1.addr.0.lobit.i.i34 = lshr i32 %p1.addr.0.i21.i30, 31
200 %and6.i.i35 = and i32 %p1.addr.0.i21.i30, 1
201 %or.i22.i36 = or i32 %p1.addr.0.lobit.i.i34, %and6.i.i35
202 br label %if.end7.i.i39
205 %p1.addr.1.i.i38 = phi i32 [ %or.i22.i36, %if.then3.i.i37 ], [ %p1.addr.0.i21.i30, %if.end.i.i33 ]
206 br i1 %tobool.i19.i, label %if.then10.i.i42, label %if.end13.i.i46
209 %cmp11.i.i40 = icmp sgt i32 %p1.addr.1.i.i38, 0
210 %conv12.i.i41 = zext i1 %cmp11.i.i40 to i32
211 br label %if.end13.i.i46
214 %p1.addr.2.i.i43 = phi i32 [ %conv12.i.i41, %if.then10.i.i42 ], [ %p1.addr.1.i.i38, %if.end7.i.i39 ]
215 br i1 %tobool15.i.i, label %_Z3fn2iii.exit.i52, label %if.then16.i.i49
218 %and17.i.i47 = lshr i32 %p1.addr.2.i.i43, 3
219 %and17.lobit.i.i48 = and i32 %and17.i.i47, 1
220 br label %_Z3fn2iii.exit.i52
223 %p1.addr.3.i.i50 = phi i32 [ %and17.lobit.i.i48, %if.then16.i.i49 ], [ %p1.addr.2.i.i43, %if.end13.i.i46 ]
224 br i1 %tobool.i11.i, label %_ZL3fn3ii.exit58, label %if.then.i15.i56
227 %and.i12.i53 = lshr i32 %p1.addr.3.i.i50, 2
228 %and.lobit.i13.i54 = and i32 %and.i12.i53, 1
229 %12 = xor i32 %and.lobit.i13.i54, 1
230 %or.i14.i55 = or i32 %12, %p1.addr.3.i.i50
231 br label %_ZL3fn3ii.exit58
234 %p1.addr.0.i16.i57 = phi i32 [ %or.i14.i55, %if.then.i15.i56 ], [ %p1.addr.3.i.i50, %_Z3fn2iii.exit.i52 ]
235 %arrayidx7 = getelementptr inbounds i32, i32* %2, i64 %indvars.iv
236 store i32 %p1.addr.0.i16.i57, i32* %arrayidx7, align 4 %indvars.iv.next = add i64 %indvars.iv, 1
237 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
238 %exitcond = icmp ne i32 %lftr.wideiv, %p1
239 br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge
241 for.cond.for.end_crit_edge: