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 3 4 %struct.i = type { i32, i24 } 5 %struct.m = type { %struct.i } 6 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 13 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 20 21 ; Check that compiler does not crash. 22 ; Test for PR30775 23 define void @_Z1nv() local_unnamed_addr { 24 ; CHECK-LABEL: _Z1nv: 25 entry: 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 57 ret void 58 } 59 60 ; Test for PR31536 61 define void @_Z2x6v() local_unnamed_addr { 62 ; CHECK-LABEL: _Z2x6v: 63 entry: 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 71 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* 76 %1 = xor i32 %.pr, -1 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 89 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 100 101 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 110 111 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 115 116 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 128 129 vector.body.preheader: ; preds = %vector.memcheck 130 %19 = add nsw i64 %n.vec, -4 131 %20 = lshr exact i64 %19, 2 132 %21 = and i64 %20, 1 133 %lcmp.mod = icmp eq i64 %21, 0 134 br i1 %lcmp.mod, label %vector.body.prol.preheader, label %vector.body.prol.loopexit.unr-lcssa 135 136 vector.body.prol.preheader: ; preds = %vector.body.preheader 137 br label %vector.body.prol 138 139 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 152 153 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 156 157 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 160 161 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 173 174 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 194 195 middle.block.unr-lcssa: ; preds = %vector.body 196 br label %middle.block 197 198 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 201 202 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 ] 204 br label %for.body2 205 206 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 215 216 for.cond1.for.inc3_crit_edge.loopexit: ; preds = %for.body2 217 br label %for.cond1.for.inc3_crit_edge 218 219 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 4 223 br label %for.inc3 224 225 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 232 233 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 4 236 br label %for.end5 237 238 for.end5: ; preds = %for.cond.for.end5_crit_edge, %entry 239 ret void 240 } 241 242
