1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
4 %struct.i = type { i32, i24 }
5 %struct.m = type { %struct.i }
7 @a = local_unnamed_addr global i32 0, align 4
8 @b = local_unnamed_addr global i16 0, align 2
9 @c = local_unnamed_addr global i16 0, align 2
10 @e = local_unnamed_addr global i16 0, align 2
11 @l = local_unnamed_addr global %struct.i zeroinitializer, align 4
12 @k = local_unnamed_addr global %struct.m zeroinitializer, align 4
14 @x0 = local_unnamed_addr global double 0.000000e+00, align 8
15 @x1 = local_unnamed_addr global i32 0, align 4
16 @x2 = local_unnamed_addr global i32 0, align 4
17 @x3 = local_unnamed_addr global i32 0, align 4
18 @x4 = local_unnamed_addr global i32 0, align 4
19 @x5 = local_unnamed_addr global double* null, align 8
21 ; Check that compiler does not crash.
23 define void @_Z1nv() local_unnamed_addr {
26 %bf.load = load i32, i32* bitcast (i24* getelementptr inbounds (%struct.m, %struct.m* @k, i64 0, i32 0, i32 1) to i32*), align 4
27 %0 = load i16, i16* @c, align 2
28 %conv = sext i16 %0 to i32
29 %1 = load i16, i16* @b, align 2
30 %conv1 = sext i16 %1 to i32
31 %2 = load i32, i32* @a, align 4
32 %tobool = icmp ne i32 %2, 0
33 %bf.load3 = load i32, i32* getelementptr inbounds (%struct.i, %struct.i* @l, i64 0, i32 0), align 4
34 %bf.shl = shl i32 %bf.load3, 7
35 %bf.ashr = ashr exact i32 %bf.shl, 7
36 %bf.clear = shl i32 %bf.load, 1
37 %factor = and i32 %bf.clear, 131070
38 %add13 = add nsw i32 %factor, %conv
39 %add15 = add nsw i32 %add13, %conv1
40 %bf.ashr.op = sub nsw i32 0, %bf.ashr
41 %add28 = select i1 %tobool, i32 %bf.ashr.op, i32 0
42 %tobool29 = icmp eq i32 %add15, %add28
43 %phitmp = icmp eq i32 %bf.ashr, 0
44 %.phitmp = or i1 %phitmp, %tobool29
45 %conv37 = zext i1 %.phitmp to i16
46 store i16 %conv37, i16* @e, align 2
47 %bf.clear39 = and i32 %bf.load, 65535
48 %factor53 = shl nuw nsw i32 %bf.clear39, 1
49 %add46 = add nsw i32 %factor53, %conv
50 %add48 = add nsw i32 %add46, %conv1
51 %add48.lobit = lshr i32 %add48, 31
52 %add48.lobit.not = xor i32 %add48.lobit, 1
53 %add51 = add nuw nsw i32 %add48.lobit.not, %bf.clear39
54 %shr = ashr i32 %2, %add51
55 %conv52 = trunc i32 %shr to i16
56 store i16 %conv52, i16* @b, align 2
61 define void @_Z2x6v() local_unnamed_addr {
62 ; CHECK-LABEL: _Z2x6v:
64 %0 = load i32, i32* @x1, align 4
65 %and = and i32 %0, 511
66 %add = add nuw nsw i32 %and, 1
67 store i32 %add, i32* @x4, align 4
68 %.pr = load i32, i32* @x3, align 4
69 %tobool8 = icmp eq i32 %.pr, 0
70 br i1 %tobool8, label %for.end5, label %for.cond1thread-pre-split.lr.ph
72 for.cond1thread-pre-split.lr.ph: ; preds = %entry
73 %idx.ext13 = zext i32 %add to i64
74 %x5.promoted = load double*, double** @x5, align 8
75 %x5.promoted9 = bitcast double* %x5.promoted to i8*
77 %2 = zext i32 %1 to i64
78 %3 = shl nuw nsw i64 %2, 3
79 %4 = add nuw nsw i64 %3, 8
80 %5 = mul nuw nsw i64 %4, %idx.ext13
81 %uglygep = getelementptr i8, i8* %x5.promoted9, i64 %5
82 %.pr6.pre = load i32, i32* @x2, align 4
83 %6 = shl nuw nsw i32 %and, 3
84 %addconv = add nuw nsw i32 %6, 8
85 %7 = zext i32 %addconv to i64
86 %scevgep15 = getelementptr double, double* %x5.promoted, i64 1
87 %scevgep1516 = bitcast double* %scevgep15 to i8*
88 br label %for.cond1thread-pre-split
90 for.cond1thread-pre-split: ; preds = %for.cond1thread-pre-split.lr.ph, %for.inc3
91 %indvar = phi i64 [ 0, %for.cond1thread-pre-split.lr.ph ], [ %indvar.next, %for.inc3 ]
92 %.pr6 = phi i32 [ %.pr6.pre, %for.cond1thread-pre-split.lr.ph ], [ %.pr611, %for.inc3 ]
93 %8 = phi double* [ %x5.promoted, %for.cond1thread-pre-split.lr.ph ], [ %add.ptr, %for.inc3 ]
94 %9 = phi i32 [ %.pr, %for.cond1thread-pre-split.lr.ph ], [ %inc4, %for.inc3 ]
95 %10 = mul i64 %7, %indvar
96 %uglygep14 = getelementptr i8, i8* %x5.promoted9, i64 %10
97 %uglygep17 = getelementptr i8, i8* %scevgep1516, i64 %10
98 %cmp7 = icmp slt i32 %.pr6, 0
99 br i1 %cmp7, label %for.body2.preheader, label %for.inc3
101 for.body2.preheader: ; preds = %for.cond1thread-pre-split
102 %11 = sext i32 %.pr6 to i64
103 %12 = sext i32 %.pr6 to i64
104 %13 = icmp sgt i64 %12, -1
105 %smax = select i1 %13, i64 %12, i64 -1
106 %14 = add nsw i64 %smax, 1
107 %15 = sub nsw i64 %14, %12
108 %min.iters.check = icmp ult i64 %15, 4
109 br i1 %min.iters.check, label %for.body2.preheader21, label %min.iters.checked
111 min.iters.checked: ; preds = %for.body2.preheader
112 %n.vec = and i64 %15, -4
113 %cmp.zero = icmp eq i64 %n.vec, 0
114 br i1 %cmp.zero, label %for.body2.preheader21, label %vector.memcheck
116 vector.memcheck: ; preds = %min.iters.checked
117 %16 = shl nsw i64 %11, 3
118 %scevgep = getelementptr i8, i8* %uglygep14, i64 %16
119 %17 = icmp sgt i64 %11, -1
120 %smax18 = select i1 %17, i64 %11, i64 -1
121 %18 = shl nsw i64 %smax18, 3
122 %scevgep19 = getelementptr i8, i8* %uglygep17, i64 %18
123 %bound0 = icmp ult i8* %scevgep, bitcast (double* @x0 to i8*)
124 %bound1 = icmp ugt i8* %scevgep19, bitcast (double* @x0 to i8*)
125 %memcheck.conflict = and i1 %bound0, %bound1
126 %ind.end = add nsw i64 %11, %n.vec
127 br i1 %memcheck.conflict, label %for.body2.preheader21, label %vector.body.preheader
129 vector.body.preheader: ; preds = %vector.memcheck
130 %19 = add nsw i64 %n.vec, -4
131 %20 = lshr exact i64 %19, 2
133 %lcmp.mod = icmp eq i64 %21, 0
134 br i1 %lcmp.mod, label %vector.body.prol.preheader, label %vector.body.prol.loopexit.unr-lcssa
136 vector.body.prol.preheader: ; preds = %vector.body.preheader
137 br label %vector.body.prol
139 vector.body.prol: ; preds = %vector.body.prol.preheader
140 %22 = load i64, i64* bitcast (double* @x0 to i64*), align 8
141 %23 = insertelement <2 x i64> undef, i64 %22, i32 0
142 %24 = shufflevector <2 x i64> %23, <2 x i64> undef, <2 x i32> zeroinitializer
143 %25 = insertelement <2 x i64> undef, i64 %22, i32 0
144 %26 = shufflevector <2 x i64> %25, <2 x i64> undef, <2 x i32> zeroinitializer
145 %27 = getelementptr inbounds double, double* %8, i64 %11
146 %28 = bitcast double* %27 to <2 x i64>*
147 store <2 x i64> %24, <2 x i64>* %28, align 8
148 %29 = getelementptr double, double* %27, i64 2
149 %30 = bitcast double* %29 to <2 x i64>*
150 store <2 x i64> %26, <2 x i64>* %30, align 8
151 br label %vector.body.prol.loopexit.unr-lcssa
153 vector.body.prol.loopexit.unr-lcssa: ; preds = %vector.body.preheader, %vector.body.prol
154 %index.unr.ph = phi i64 [ 4, %vector.body.prol ], [ 0, %vector.body.preheader ]
155 br label %vector.body.prol.loopexit
157 vector.body.prol.loopexit: ; preds = %vector.body.prol.loopexit.unr-lcssa
158 %31 = icmp eq i64 %20, 0
159 br i1 %31, label %middle.block, label %vector.body.preheader.new
161 vector.body.preheader.new: ; preds = %vector.body.prol.loopexit
162 %32 = load i64, i64* bitcast (double* @x0 to i64*), align 8
163 %33 = insertelement <2 x i64> undef, i64 %32, i32 0
164 %34 = shufflevector <2 x i64> %33, <2 x i64> undef, <2 x i32> zeroinitializer
165 %35 = insertelement <2 x i64> undef, i64 %32, i32 0
166 %36 = shufflevector <2 x i64> %35, <2 x i64> undef, <2 x i32> zeroinitializer
167 %37 = load i64, i64* bitcast (double* @x0 to i64*), align 8
168 %38 = insertelement <2 x i64> undef, i64 %37, i32 0
169 %39 = shufflevector <2 x i64> %38, <2 x i64> undef, <2 x i32> zeroinitializer
170 %40 = insertelement <2 x i64> undef, i64 %37, i32 0
171 %41 = shufflevector <2 x i64> %40, <2 x i64> undef, <2 x i32> zeroinitializer
172 br label %vector.body
174 vector.body: ; preds = %vector.body, %vector.body.preheader.new
175 %index = phi i64 [ %index.unr.ph, %vector.body.preheader.new ], [ %index.next.1, %vector.body ]
176 %42 = add i64 %11, %index
177 %43 = getelementptr inbounds double, double* %8, i64 %42
178 %44 = bitcast double* %43 to <2 x i64>*
179 store <2 x i64> %34, <2 x i64>* %44, align 8
180 %45 = getelementptr double, double* %43, i64 2
181 %46 = bitcast double* %45 to <2 x i64>*
182 store <2 x i64> %36, <2 x i64>* %46, align 8
183 %index.next = add i64 %index, 4
184 %47 = add i64 %11, %index.next
185 %48 = getelementptr inbounds double, double* %8, i64 %47
186 %49 = bitcast double* %48 to <2 x i64>*
187 store <2 x i64> %39, <2 x i64>* %49, align 8
188 %50 = getelementptr double, double* %48, i64 2
189 %51 = bitcast double* %50 to <2 x i64>*
190 store <2 x i64> %41, <2 x i64>* %51, align 8
191 %index.next.1 = add i64 %index, 8
192 %52 = icmp eq i64 %index.next.1, %n.vec
193 br i1 %52, label %middle.block.unr-lcssa, label %vector.body
195 middle.block.unr-lcssa: ; preds = %vector.body
196 br label %middle.block
198 middle.block: ; preds = %vector.body.prol.loopexit, %middle.block.unr-lcssa
199 %cmp.n = icmp eq i64 %15, %n.vec
200 br i1 %cmp.n, label %for.cond1.for.inc3_crit_edge, label %for.body2.preheader21
202 for.body2.preheader21: ; preds = %middle.block, %vector.memcheck, %min.iters.checked, %for.body2.preheader
203 %indvars.iv.ph = phi i64 [ %11, %vector.memcheck ], [ %11, %min.iters.checked ], [ %11, %for.body2.preheader ], [ %ind.end, %middle.block ]
206 for.body2: ; preds = %for.body2.preheader21, %for.body2
207 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body2 ], [ %indvars.iv.ph, %for.body2.preheader21 ]
208 %53 = load i64, i64* bitcast (double* @x0 to i64*), align 8
209 %arrayidx = getelementptr inbounds double, double* %8, i64 %indvars.iv
210 %54 = bitcast double* %arrayidx to i64*
211 store i64 %53, i64* %54, align 8
212 %indvars.iv.next = add nsw i64 %indvars.iv, 1
213 %cmp = icmp slt i64 %indvars.iv, -1
214 br i1 %cmp, label %for.body2, label %for.cond1.for.inc3_crit_edge.loopexit
216 for.cond1.for.inc3_crit_edge.loopexit: ; preds = %for.body2
217 br label %for.cond1.for.inc3_crit_edge
219 for.cond1.for.inc3_crit_edge: ; preds = %for.cond1.for.inc3_crit_edge.loopexit, %middle.block
220 %indvars.iv.next.lcssa = phi i64 [ %ind.end, %middle.block ], [ %indvars.iv.next, %for.cond1.for.inc3_crit_edge.loopexit ]
221 %55 = trunc i64 %indvars.iv.next.lcssa to i32
222 store i32 %55, i32* @x2, align 4
225 for.inc3: ; preds = %for.cond1.for.inc3_crit_edge, %for.cond1thread-pre-split
226 %.pr611 = phi i32 [ %55, %for.cond1.for.inc3_crit_edge ], [ %.pr6, %for.cond1thread-pre-split ]
227 %inc4 = add nsw i32 %9, 1
228 %add.ptr = getelementptr inbounds double, double* %8, i64 %idx.ext13
229 %tobool = icmp eq i32 %inc4, 0
230 %indvar.next = add i64 %indvar, 1
231 br i1 %tobool, label %for.cond.for.end5_crit_edge, label %for.cond1thread-pre-split
233 for.cond.for.end5_crit_edge: ; preds = %for.inc3
234 store i8* %uglygep, i8** bitcast (double** @x5 to i8**), align 8
235 store i32 0, i32* @x3, align 4
238 for.end5: ; preds = %for.cond.for.end5_crit_edge, %entry