1 ; RUN: llc -march=hexagon < %s | FileCheck %s 2 ; CHECK-LABEL: LBB0{{.*}}if.end 3 ; CHECK: r[[REG:[0-9]+]] = zxth 4 ; CHECK: lsr(r[[REG]], 5 6 target triple = "hexagon" 7 8 @g0 = external constant [146 x i16], align 8 9 @g1 = external constant [0 x i16], align 2 10 11 define void @fred(i32* nocapture readonly %p0, i16 signext %p1, i16* nocapture %p2, i16 signext %p3, i16 signext %p4, i16 signext %p5) #0 { 12 entry: 13 %conv = sext i16 %p1 to i32 14 %0 = tail call i32 @llvm.hexagon.S2.asl.r.r.sat(i32 %conv, i32 1) 15 %1 = tail call i32 @llvm.hexagon.A2.sath(i32 %0) 16 %2 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 3, i32 %1) 17 %conv3 = sext i16 %p4 to i32 18 %cmp144 = icmp sgt i16 %p4, 0 19 br i1 %cmp144, label %for.body, label %for.end 20 21 for.body: ; preds = %entry, %for.body 22 %arrayidx.phi = phi i32* [ %arrayidx.inc, %for.body ], [ %p0, %entry ] 23 %i.0146.apmt = phi i32 [ %inc.apmt, %for.body ], [ 0, %entry ] 24 %L_temp1.0145 = phi i32 [ %5, %for.body ], [ 1, %entry ] 25 %3 = load i32, i32* %arrayidx.phi, align 4, !tbaa !1 26 %4 = tail call i32 @llvm.hexagon.A2.abssat(i32 %3) 27 %5 = tail call i32 @llvm.hexagon.A2.max(i32 %L_temp1.0145, i32 %4) 28 %inc.apmt = add nuw nsw i32 %i.0146.apmt, 1 29 %exitcond151 = icmp eq i32 %inc.apmt, %conv3 30 %arrayidx.inc = getelementptr i32, i32* %arrayidx.phi, i32 1 31 br i1 %exitcond151, label %for.end, label %for.body, !llvm.loop !5 32 33 for.end: ; preds = %for.body, %entry 34 %L_temp1.0.lcssa = phi i32 [ 1, %entry ], [ %5, %for.body ] 35 %6 = tail call i32 @llvm.hexagon.S2.clbnorm(i32 %L_temp1.0.lcssa) 36 %arrayidx6 = getelementptr inbounds [146 x i16], [146 x i16]* @g0, i32 0, i32 %conv3 37 %7 = load i16, i16* %arrayidx6, align 2, !tbaa !7 38 %conv7 = sext i16 %7 to i32 39 %8 = tail call i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32 %6, i32 %conv7) 40 br i1 %cmp144, label %for.body14.lr.ph, label %for.end29 41 42 for.body14.lr.ph: ; preds = %for.end 43 %sext132 = shl i32 %8, 16 44 %conv17 = ashr exact i32 %sext132, 16 45 br label %for.body14 46 47 for.body14: ; preds = %for.body14, %for.body14.lr.ph 48 %arrayidx16.phi = phi i32* [ %p0, %for.body14.lr.ph ], [ %arrayidx16.inc, %for.body14 ] 49 %i.1143.apmt = phi i32 [ 0, %for.body14.lr.ph ], [ %inc28.apmt, %for.body14 ] 50 %L_temp.0142 = phi i32 [ 0, %for.body14.lr.ph ], [ %12, %for.body14 ] 51 %9 = load i32, i32* %arrayidx16.phi, align 4, !tbaa !1 52 %10 = tail call i32 @llvm.hexagon.S2.asl.r.r.sat(i32 %9, i32 %conv17) 53 %11 = tail call i32 @llvm.hexagon.A2.asrh(i32 %10) 54 %sext133 = shl i32 %11, 16 55 %conv23 = ashr exact i32 %sext133, 16 56 %12 = tail call i32 @llvm.hexagon.M2.mpy.acc.sat.ll.s0(i32 %L_temp.0142, i32 %conv23, i32 %conv23) 57 %inc28.apmt = add nuw nsw i32 %i.1143.apmt, 1 58 %exitcond = icmp eq i32 %inc28.apmt, %conv3 59 %arrayidx16.inc = getelementptr i32, i32* %arrayidx16.phi, i32 1 60 br i1 %exitcond, label %for.end29, label %for.body14 61 62 for.end29: ; preds = %for.body14, %for.end 63 %L_temp.0.lcssa = phi i32 [ 0, %for.end ], [ %12, %for.body14 ] 64 %13 = tail call i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32 %conv3, i32 1) 65 %cmp31 = icmp sgt i32 %13, 0 66 br i1 %cmp31, label %if.then, label %if.end 67 68 if.then: ; preds = %for.end29 69 %arrayidx34 = getelementptr inbounds [0 x i16], [0 x i16]* @g1, i32 0, i32 %conv3 70 %14 = load i16, i16* %arrayidx34, align 2, !tbaa !7 71 %cmp.i = icmp eq i32 %L_temp.0.lcssa, -2147483648 72 %cmp1.i = icmp eq i16 %14, -32768 73 %or.cond.i = and i1 %cmp.i, %cmp1.i 74 br i1 %or.cond.i, label %if.end, label %if.else.i 75 76 if.else.i: ; preds = %if.then 77 %conv3.i = sext i16 %14 to i32 78 %15 = tail call i32 @llvm.hexagon.M2.hmmpyl.s1(i32 %L_temp.0.lcssa, i32 %conv3.i) #2 79 %16 = tail call i64 @llvm.hexagon.M2.mpyd.ll.s1(i32 %conv3.i, i32 %L_temp.0.lcssa) #2 80 %conv5.i = trunc i64 %16 to i32 81 %phitmp = and i32 %conv5.i, 65535 82 br label %if.end 83 84 if.end: ; preds = %if.else.i, %if.then, %for.end29 85 %L_temp.2 = phi i32 [ %L_temp.0.lcssa, %for.end29 ], [ %15, %if.else.i ], [ 2147483647, %if.then ] 86 %lsb.0 = phi i32 [ 0, %for.end29 ], [ %phitmp, %if.else.i ], [ 65535, %if.then ] 87 %sext = shl i32 %8, 16 88 %conv35 = ashr exact i32 %sext, 16 89 %17 = tail call i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32 %conv35, i32 16) 90 %18 = tail call i32 @llvm.hexagon.S2.asl.r.r.sat(i32 %17, i32 1) 91 %19 = tail call i32 @llvm.hexagon.A2.sath(i32 %18) 92 %20 = tail call i32 @llvm.hexagon.S2.clbnorm(i32 %L_temp.2) 93 %sext123 = shl i32 %20, 16 94 %conv38 = ashr exact i32 %sext123, 16 95 %sext124 = shl i32 %19, 16 96 %conv39 = ashr exact i32 %sext124, 16 97 %21 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv38, i32 %conv39) 98 %22 = tail call i32 @llvm.hexagon.S2.asl.r.r.sat(i32 %L_temp.2, i32 %conv38) 99 %23 = tail call i32 @llvm.hexagon.A2.zxth(i32 %lsb.0) 100 %24 = tail call i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32 16, i32 %conv38) 101 %25 = tail call i32 @llvm.hexagon.S2.lsr.r.r(i32 %23, i32 %24) 102 %sext125 = shl i32 %25, 16 103 %conv45 = ashr exact i32 %sext125, 16 104 %26 = tail call i32 @llvm.hexagon.A2.addsat(i32 %22, i32 %conv45) 105 %sext126 = shl i32 %2, 16 106 %conv46 = ashr exact i32 %sext126, 16 107 %sext127 = shl i32 %21, 16 108 %conv47 = ashr exact i32 %sext127, 16 109 %27 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv46, i32 %conv47) 110 %sext128 = shl i32 %27, 16 111 %conv49 = ashr exact i32 %sext128, 16 112 %cmp50 = icmp sgt i32 %sext128, 327679 113 %tobool = icmp eq i16 %p5, 0 114 %or.cond = or i1 %tobool, %cmp50 115 br i1 %or.cond, label %if.else68, label %if.then53 116 117 if.then53: ; preds = %if.end 118 %28 = tail call i32 @llvm.hexagon.S2.asl.r.r.sat(i32 %conv49, i32 1) 119 %29 = tail call i32 @llvm.hexagon.A2.sath(i32 %28) 120 %30 = tail call i32 @llvm.hexagon.A2.subsat(i32 %26, i32 1276901417) 121 %cmp56 = icmp slt i32 %30, 0 122 br i1 %cmp56, label %if.then58, label %if.else 123 124 if.then58: ; preds = %if.then53 125 %sext131 = shl i32 %29, 16 126 %conv59 = ashr exact i32 %sext131, 16 127 %31 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv59, i32 2) 128 br label %if.end80 129 130 if.else: ; preds = %if.then53 131 %32 = tail call i32 @llvm.hexagon.A2.subsat(i32 %26, i32 1805811301) 132 %cmp61 = icmp slt i32 %32, 0 133 br i1 %cmp61, label %if.then63, label %if.end80 134 135 if.then63: ; preds = %if.else 136 %sext130 = shl i32 %29, 16 137 %conv64 = ashr exact i32 %sext130, 16 138 %33 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv64, i32 1) 139 br label %if.end80 140 141 if.else68: ; preds = %if.end 142 %34 = tail call i32 @llvm.hexagon.A2.subsat(i32 %26, i32 1518500250) 143 %cmp69 = icmp slt i32 %34, 0 144 br i1 %cmp69, label %if.then71, label %if.end74 145 146 if.then71: ; preds = %if.else68 147 %35 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv49, i32 1) 148 br label %if.end74 149 150 if.end74: ; preds = %if.then71, %if.else68 151 %m.0.in = phi i32 [ %35, %if.then71 ], [ %27, %if.else68 ] 152 br i1 %tobool, label %if.end80, label %if.then76 153 154 if.then76: ; preds = %if.end74 155 %sext129 = shl i32 %m.0.in, 16 156 %conv77 = ashr exact i32 %sext129, 16 157 %36 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv77, i32 5) 158 br label %if.end80 159 160 if.end80: ; preds = %if.end74, %if.then76, %if.then58, %if.then63, %if.else 161 %m.1.in = phi i32 [ %31, %if.then58 ], [ %33, %if.then63 ], [ %29, %if.else ], [ %36, %if.then76 ], [ %m.0.in, %if.end74 ] 162 %m.1 = trunc i32 %m.1.in to i16 163 %cmp.i135 = icmp slt i16 %m.1, 0 164 %var_out.0.i136 = select i1 %cmp.i135, i16 0, i16 %m.1 165 %conv81 = sext i16 %p3 to i32 166 %37 = tail call i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32 %conv81, i32 1) 167 %conv82 = trunc i32 %37 to i16 168 %cmp.i134 = icmp sgt i16 %var_out.0.i136, %conv82 169 %var_out.0.i = select i1 %cmp.i134, i16 %conv82, i16 %var_out.0.i136 170 store i16 %var_out.0.i, i16* %p2, align 2, !tbaa !7 171 ret void 172 } 173 174 declare i32 @llvm.hexagon.A2.abssat(i32) #2 175 declare i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32, i32) #2 176 declare i32 @llvm.hexagon.A2.addsat(i32, i32) #2 177 declare i32 @llvm.hexagon.A2.asrh(i32) #2 178 declare i32 @llvm.hexagon.A2.max(i32, i32) #2 179 declare i32 @llvm.hexagon.A2.sath(i32) #2 180 declare i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32, i32) #2 181 declare i32 @llvm.hexagon.A2.subsat(i32, i32) #2 182 declare i32 @llvm.hexagon.A2.zxth(i32) #2 183 declare i32 @llvm.hexagon.M2.hmmpyl.s1(i32, i32) #2 184 declare i32 @llvm.hexagon.M2.mpy.acc.sat.ll.s0(i32, i32, i32) #2 185 declare i32 @llvm.hexagon.S2.asl.r.r.sat(i32, i32) #2 186 declare i32 @llvm.hexagon.S2.asr.r.r.sat(i32, i32) #2 187 declare i32 @llvm.hexagon.S2.clbnorm(i32) #2 188 declare i32 @llvm.hexagon.S2.lsr.r.r(i32, i32) #2 189 declare i64 @llvm.hexagon.M2.mpyd.ll.s1(i32, i32) #2 190 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 191 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 192 193 attributes #0 = { norecurse nounwind "target-cpu"="hexagonv60" "target-features"="+hvx,,+hvx-length64b" "unsafe-fp-math"="false" "use-soft-float"="false" } 194 attributes #1 = { argmemonly nounwind } 195 attributes #2 = { nounwind readnone } 196 197 198 !1 = !{!2, !2, i64 0} 199 !2 = !{!"int", !3, i64 0} 200 !3 = !{!"omnipotent char", !4, i64 0} 201 !4 = !{!"Simple C/C++ TBAA"} 202 !5 = distinct !{!5, !6} 203 !6 = !{!"llvm.loop.threadify", i32 81508608} 204 !7 = !{!8, !8, i64 0} 205 !8 = !{!"short", !3, i64 0} 206 !9 = distinct !{!9, !10} 207 !10 = !{!"llvm.loop.threadify", i32 1441813} 208 !11 = distinct !{!11, !10} 209
