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** @b, align 8 %1 = load i32** @a, align 8 %2 = load i32** @c, align 8 br label %for.body
26 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %_ZL3fn3ii.exit58 ]
27 %arrayidx = getelementptr inbounds i32* %0, i64 %indvars.iv
28 %3 = load i32* %arrayidx, align 4 %4 = trunc i64 %indvars.iv to i32
29 %and.i = and i32 %4, 1
30 %tobool.i.i = icmp eq i32 %and.i, 0
31 br i1 %tobool.i.i, label %if.end.i, label %if.then.i
34 %and.i.i = lshr i32 %3, 2
35 %and.lobit.i.i = and i32 %and.i.i, 1
36 %5 = xor i32 %and.lobit.i.i, 1
37 %or.i.i = or i32 %5, %3
38 %cmp.i = icmp sgt i32 %or.i.i, 0
39 %conv.i = zext i1 %cmp.i to i32
43 %tobool.i87 = phi i1 [ true, %if.then.i ], [ false, %for.body ]
44 %p1.addr.0.i = phi i32 [ %conv.i, %if.then.i ], [ %3, %for.body ]
45 %6 = trunc i64 %indvars.iv to i32
46 %and1.i = and i32 %6, 7
47 %tobool2.i = icmp eq i32 %and1.i, 0
48 br i1 %tobool2.i, label %if.end7.i, label %if.then3.i
51 %p1.addr.0.lobit.i = lshr i32 %p1.addr.0.i, 31
52 %and6.i = and i32 %p1.addr.0.i, 1
53 %or.i = or i32 %p1.addr.0.lobit.i, %and6.i
57 %p1.addr.1.i = phi i32 [ %or.i, %if.then3.i ], [ %p1.addr.0.i, %if.end.i ]
58 br i1 %tobool.i87, label %if.then10.i, label %if.end13.i
61 %cmp11.i = icmp sgt i32 %p1.addr.1.i, 0
62 %conv12.i = zext i1 %cmp11.i to i32
66 %p1.addr.2.i = phi i32 [ %conv12.i, %if.then10.i ], [ %p1.addr.1.i, %if.end7.i ]
67 br i1 %tobool.i.i, label %_Z3fn2iii.exit, label %if.then16.i
70 %and17.i = lshr i32 %p1.addr.2.i, 3
71 %and17.lobit.i = and i32 %and17.i, 1
72 br label %_Z3fn2iii.exit
75 %p1.addr.3.i = phi i32 [ %and17.lobit.i, %if.then16.i ], [ %p1.addr.2.i, %if.end13.i ]
76 %7 = trunc i64 %indvars.iv to i32
77 %shr.i = ashr i32 %7, 1
78 %and.i18.i = and i32 %shr.i, 1
79 %tobool.i19.i = icmp ne i32 %and.i18.i, 0
80 br i1 %tobool.i19.i, label %if.then.i20.i, label %if.end.i.i
83 %cmp.i.i = icmp sgt i32 %p1.addr.3.i, 0
84 %conv.i.i = zext i1 %cmp.i.i to i32
88 %p1.addr.0.i21.i = phi i32 [ %conv.i.i, %if.then.i20.i ], [ %p1.addr.3.i, %_Z3fn2iii.exit ]
89 %and1.i.i = and i32 %shr.i, 7
90 %tobool2.i.i = icmp eq i32 %and1.i.i, 0
91 br i1 %tobool2.i.i, label %if.end7.i.i, label %if.then3.i.i
94 %p1.addr.0.lobit.i.i = lshr i32 %p1.addr.0.i21.i, 31
95 %and6.i.i = and i32 %p1.addr.0.i21.i, 1
96 %or.i22.i = or i32 %p1.addr.0.lobit.i.i, %and6.i.i
100 %p1.addr.1.i.i = phi i32 [ %or.i22.i, %if.then3.i.i ], [ %p1.addr.0.i21.i, %if.end.i.i ]
101 br i1 %tobool.i19.i, label %if.then10.i.i, label %if.end13.i.i
104 %cmp11.i.i = icmp sgt i32 %p1.addr.1.i.i, 0
105 %conv12.i.i = zext i1 %cmp11.i.i to i32
106 br label %if.end13.i.i
109 %p1.addr.2.i.i = phi i32 [ %conv12.i.i, %if.then10.i.i ], [ %p1.addr.1.i.i, %if.end7.i.i ]
110 %and14.i.i = and i32 %shr.i, 5
111 %tobool15.i.i = icmp eq i32 %and14.i.i, 0
112 br i1 %tobool15.i.i, label %_Z3fn2iii.exit.i, label %if.then16.i.i
115 %and17.i.i = lshr i32 %p1.addr.2.i.i, 3
116 %and17.lobit.i.i = and i32 %and17.i.i, 1
117 br label %_Z3fn2iii.exit.i
120 %p1.addr.3.i.i = phi i32 [ %and17.lobit.i.i, %if.then16.i.i ], [ %p1.addr.2.i.i, %if.end13.i.i ]
121 %8 = trunc i64 %indvars.iv to i32
122 %tobool.i11.i = icmp eq i32 %8, 0
123 br i1 %tobool.i11.i, label %_ZL3fn3ii.exit, label %if.then.i15.i
126 %and.i12.i = lshr i32 %p1.addr.3.i.i, 2
127 %and.lobit.i13.i = and i32 %and.i12.i, 1
128 %9 = xor i32 %and.lobit.i13.i, 1
129 %or.i14.i = or i32 %9, %p1.addr.3.i.i
130 br label %_ZL3fn3ii.exit
133 %p1.addr.0.i16.i = phi i32 [ %or.i14.i, %if.then.i15.i ], [ %p1.addr.3.i.i, %_Z3fn2iii.exit.i ]
134 %arrayidx2 = getelementptr inbounds i32* %1, i64 %indvars.iv
135 store i32 %p1.addr.0.i16.i, i32* %arrayidx2, align 4 %arrayidx4 = getelementptr inbounds i32* %0, i64 %indvars.iv
136 %10 = load i32* %arrayidx4, align 4 br i1 %tobool.i.i, label %_Z3fn1ii.exit.i26, label %if.then.i.i21
139 %and.i.i18 = lshr i32 %10, 2
140 %and.lobit.i.i19 = and i32 %and.i.i18, 1
141 %11 = xor i32 %and.lobit.i.i19, 1
142 %or.i.i20 = or i32 %11, %10
143 br label %_Z3fn1ii.exit.i26
146 %p1.addr.0.i.i22 = phi i32 [ %or.i.i20, %if.then.i.i21 ], [ %10, %_ZL3fn3ii.exit ]
147 br i1 %tobool.i87, label %if.then.i63, label %if.end.i67
150 %cmp.i61 = icmp sgt i32 %p1.addr.0.i.i22, 0
151 %conv.i62 = zext i1 %cmp.i61 to i32
155 %p1.addr.0.i64 = phi i32 [ %conv.i62, %if.then.i63 ], [ %p1.addr.0.i.i22, %_Z3fn1ii.exit.i26 ]
156 br i1 %tobool2.i, label %if.end7.i73, label %if.then3.i71
159 %p1.addr.0.lobit.i68 = lshr i32 %p1.addr.0.i64, 31
160 %and6.i69 = and i32 %p1.addr.0.i64, 1
161 %or.i70 = or i32 %p1.addr.0.lobit.i68, %and6.i69
162 br label %if.end7.i73
165 %p1.addr.1.i72 = phi i32 [ %or.i70, %if.then3.i71 ], [ %p1.addr.0.i64, %if.end.i67 ]
166 br i1 %tobool.i87, label %if.then10.i76, label %if.end13.i80
169 %cmp11.i74 = icmp sgt i32 %p1.addr.1.i72, 0
170 %conv12.i75 = zext i1 %cmp11.i74 to i32
171 br label %if.end13.i80
174 %p1.addr.2.i77 = phi i32 [ %conv12.i75, %if.then10.i76 ], [ %p1.addr.1.i72, %if.end7.i73 ]
175 br i1 %tobool.i.i, label %_Z3fn2iii.exit85, label %if.then16.i83
178 %and17.i81 = lshr i32 %p1.addr.2.i77, 3
179 %and17.lobit.i82 = and i32 %and17.i81, 1
180 br label %_Z3fn2iii.exit85
183 %p1.addr.3.i84 = phi i32 [ %and17.lobit.i82, %if.then16.i83 ], [ %p1.addr.2.i77, %if.end13.i80 ]
184 br i1 %tobool.i19.i, label %if.then.i20.i29, label %if.end.i.i33
187 %cmp.i.i27 = icmp sgt i32 %p1.addr.3.i84, 0
188 %conv.i.i28 = zext i1 %cmp.i.i27 to i32
189 br label %if.end.i.i33
192 %p1.addr.0.i21.i30 = phi i32 [ %conv.i.i28, %if.then.i20.i29 ], [ %p1.addr.3.i84, %_Z3fn2iii.exit85 ]
193 br i1 %tobool2.i.i, label %if.end7.i.i39, label %if.then3.i.i37
196 %p1.addr.0.lobit.i.i34 = lshr i32 %p1.addr.0.i21.i30, 31
197 %and6.i.i35 = and i32 %p1.addr.0.i21.i30, 1
198 %or.i22.i36 = or i32 %p1.addr.0.lobit.i.i34, %and6.i.i35
199 br label %if.end7.i.i39
202 %p1.addr.1.i.i38 = phi i32 [ %or.i22.i36, %if.then3.i.i37 ], [ %p1.addr.0.i21.i30, %if.end.i.i33 ]
203 br i1 %tobool.i19.i, label %if.then10.i.i42, label %if.end13.i.i46
206 %cmp11.i.i40 = icmp sgt i32 %p1.addr.1.i.i38, 0
207 %conv12.i.i41 = zext i1 %cmp11.i.i40 to i32
208 br label %if.end13.i.i46
211 %p1.addr.2.i.i43 = phi i32 [ %conv12.i.i41, %if.then10.i.i42 ], [ %p1.addr.1.i.i38, %if.end7.i.i39 ]
212 br i1 %tobool15.i.i, label %_Z3fn2iii.exit.i52, label %if.then16.i.i49
215 %and17.i.i47 = lshr i32 %p1.addr.2.i.i43, 3
216 %and17.lobit.i.i48 = and i32 %and17.i.i47, 1
217 br label %_Z3fn2iii.exit.i52
220 %p1.addr.3.i.i50 = phi i32 [ %and17.lobit.i.i48, %if.then16.i.i49 ], [ %p1.addr.2.i.i43, %if.end13.i.i46 ]
221 br i1 %tobool.i11.i, label %_ZL3fn3ii.exit58, label %if.then.i15.i56
224 %and.i12.i53 = lshr i32 %p1.addr.3.i.i50, 2
225 %and.lobit.i13.i54 = and i32 %and.i12.i53, 1
226 %12 = xor i32 %and.lobit.i13.i54, 1
227 %or.i14.i55 = or i32 %12, %p1.addr.3.i.i50
228 br label %_ZL3fn3ii.exit58
231 %p1.addr.0.i16.i57 = phi i32 [ %or.i14.i55, %if.then.i15.i56 ], [ %p1.addr.3.i.i50, %_Z3fn2iii.exit.i52 ]
232 %arrayidx7 = getelementptr inbounds i32* %2, i64 %indvars.iv
233 store i32 %p1.addr.0.i16.i57, i32* %arrayidx7, align 4 %indvars.iv.next = add i64 %indvars.iv, 1
234 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
235 %exitcond = icmp ne i32 %lftr.wideiv, %p1
236 br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge
238 for.cond.for.end_crit_edge: