| ; RUN: llc -march=hexagon < %s | FileCheck %s |
| ; CHECK-LABEL: LBB0{{.*}}if.end |
| ; CHECK: r[[REG:[0-9]+]] = zxth |
| ; CHECK: lsr(r[[REG]], |
| |
| target triple = "hexagon" |
| |
| @g0 = external constant [146 x i16], align 8 |
| @g1 = external constant [0 x i16], align 2 |
| |
| define void @fred(i32* nocapture readonly %p0, i16 signext %p1, i16* nocapture %p2, i16 signext %p3, i16 signext %p4, i16 signext %p5) #0 { |
| entry: |
| %conv = sext i16 %p1 to i32 |
| %0 = tail call i32 @llvm.hexagon.S2.asl.r.r.sat(i32 %conv, i32 1) |
| %1 = tail call i32 @llvm.hexagon.A2.sath(i32 %0) |
| %2 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 3, i32 %1) |
| %conv3 = sext i16 %p4 to i32 |
| %cmp144 = icmp sgt i16 %p4, 0 |
| br i1 %cmp144, label %for.body, label %for.end |
| |
| for.body: ; preds = %entry, %for.body |
| %arrayidx.phi = phi i32* [ %arrayidx.inc, %for.body ], [ %p0, %entry ] |
| %i.0146.apmt = phi i32 [ %inc.apmt, %for.body ], [ 0, %entry ] |
| %L_temp1.0145 = phi i32 [ %5, %for.body ], [ 1, %entry ] |
| %3 = load i32, i32* %arrayidx.phi, align 4, !tbaa !1 |
| %4 = tail call i32 @llvm.hexagon.A2.abssat(i32 %3) |
| %5 = tail call i32 @llvm.hexagon.A2.max(i32 %L_temp1.0145, i32 %4) |
| %inc.apmt = add nuw nsw i32 %i.0146.apmt, 1 |
| %exitcond151 = icmp eq i32 %inc.apmt, %conv3 |
| %arrayidx.inc = getelementptr i32, i32* %arrayidx.phi, i32 1 |
| br i1 %exitcond151, label %for.end, label %for.body, !llvm.loop !5 |
| |
| for.end: ; preds = %for.body, %entry |
| %L_temp1.0.lcssa = phi i32 [ 1, %entry ], [ %5, %for.body ] |
| %6 = tail call i32 @llvm.hexagon.S2.clbnorm(i32 %L_temp1.0.lcssa) |
| %arrayidx6 = getelementptr inbounds [146 x i16], [146 x i16]* @g0, i32 0, i32 %conv3 |
| %7 = load i16, i16* %arrayidx6, align 2, !tbaa !7 |
| %conv7 = sext i16 %7 to i32 |
| %8 = tail call i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32 %6, i32 %conv7) |
| br i1 %cmp144, label %for.body14.lr.ph, label %for.end29 |
| |
| for.body14.lr.ph: ; preds = %for.end |
| %sext132 = shl i32 %8, 16 |
| %conv17 = ashr exact i32 %sext132, 16 |
| br label %for.body14 |
| |
| for.body14: ; preds = %for.body14, %for.body14.lr.ph |
| %arrayidx16.phi = phi i32* [ %p0, %for.body14.lr.ph ], [ %arrayidx16.inc, %for.body14 ] |
| %i.1143.apmt = phi i32 [ 0, %for.body14.lr.ph ], [ %inc28.apmt, %for.body14 ] |
| %L_temp.0142 = phi i32 [ 0, %for.body14.lr.ph ], [ %12, %for.body14 ] |
| %9 = load i32, i32* %arrayidx16.phi, align 4, !tbaa !1 |
| %10 = tail call i32 @llvm.hexagon.S2.asl.r.r.sat(i32 %9, i32 %conv17) |
| %11 = tail call i32 @llvm.hexagon.A2.asrh(i32 %10) |
| %sext133 = shl i32 %11, 16 |
| %conv23 = ashr exact i32 %sext133, 16 |
| %12 = tail call i32 @llvm.hexagon.M2.mpy.acc.sat.ll.s0(i32 %L_temp.0142, i32 %conv23, i32 %conv23) |
| %inc28.apmt = add nuw nsw i32 %i.1143.apmt, 1 |
| %exitcond = icmp eq i32 %inc28.apmt, %conv3 |
| %arrayidx16.inc = getelementptr i32, i32* %arrayidx16.phi, i32 1 |
| br i1 %exitcond, label %for.end29, label %for.body14 |
| |
| for.end29: ; preds = %for.body14, %for.end |
| %L_temp.0.lcssa = phi i32 [ 0, %for.end ], [ %12, %for.body14 ] |
| %13 = tail call i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32 %conv3, i32 1) |
| %cmp31 = icmp sgt i32 %13, 0 |
| br i1 %cmp31, label %if.then, label %if.end |
| |
| if.then: ; preds = %for.end29 |
| %arrayidx34 = getelementptr inbounds [0 x i16], [0 x i16]* @g1, i32 0, i32 %conv3 |
| %14 = load i16, i16* %arrayidx34, align 2, !tbaa !7 |
| %cmp.i = icmp eq i32 %L_temp.0.lcssa, -2147483648 |
| %cmp1.i = icmp eq i16 %14, -32768 |
| %or.cond.i = and i1 %cmp.i, %cmp1.i |
| br i1 %or.cond.i, label %if.end, label %if.else.i |
| |
| if.else.i: ; preds = %if.then |
| %conv3.i = sext i16 %14 to i32 |
| %15 = tail call i32 @llvm.hexagon.M2.hmmpyl.s1(i32 %L_temp.0.lcssa, i32 %conv3.i) #2 |
| %16 = tail call i64 @llvm.hexagon.M2.mpyd.ll.s1(i32 %conv3.i, i32 %L_temp.0.lcssa) #2 |
| %conv5.i = trunc i64 %16 to i32 |
| %phitmp = and i32 %conv5.i, 65535 |
| br label %if.end |
| |
| if.end: ; preds = %if.else.i, %if.then, %for.end29 |
| %L_temp.2 = phi i32 [ %L_temp.0.lcssa, %for.end29 ], [ %15, %if.else.i ], [ 2147483647, %if.then ] |
| %lsb.0 = phi i32 [ 0, %for.end29 ], [ %phitmp, %if.else.i ], [ 65535, %if.then ] |
| %sext = shl i32 %8, 16 |
| %conv35 = ashr exact i32 %sext, 16 |
| %17 = tail call i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32 %conv35, i32 16) |
| %18 = tail call i32 @llvm.hexagon.S2.asl.r.r.sat(i32 %17, i32 1) |
| %19 = tail call i32 @llvm.hexagon.A2.sath(i32 %18) |
| %20 = tail call i32 @llvm.hexagon.S2.clbnorm(i32 %L_temp.2) |
| %sext123 = shl i32 %20, 16 |
| %conv38 = ashr exact i32 %sext123, 16 |
| %sext124 = shl i32 %19, 16 |
| %conv39 = ashr exact i32 %sext124, 16 |
| %21 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv38, i32 %conv39) |
| %22 = tail call i32 @llvm.hexagon.S2.asl.r.r.sat(i32 %L_temp.2, i32 %conv38) |
| %23 = tail call i32 @llvm.hexagon.A2.zxth(i32 %lsb.0) |
| %24 = tail call i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32 16, i32 %conv38) |
| %25 = tail call i32 @llvm.hexagon.S2.lsr.r.r(i32 %23, i32 %24) |
| %sext125 = shl i32 %25, 16 |
| %conv45 = ashr exact i32 %sext125, 16 |
| %26 = tail call i32 @llvm.hexagon.A2.addsat(i32 %22, i32 %conv45) |
| %sext126 = shl i32 %2, 16 |
| %conv46 = ashr exact i32 %sext126, 16 |
| %sext127 = shl i32 %21, 16 |
| %conv47 = ashr exact i32 %sext127, 16 |
| %27 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv46, i32 %conv47) |
| %sext128 = shl i32 %27, 16 |
| %conv49 = ashr exact i32 %sext128, 16 |
| %cmp50 = icmp sgt i32 %sext128, 327679 |
| %tobool = icmp eq i16 %p5, 0 |
| %or.cond = or i1 %tobool, %cmp50 |
| br i1 %or.cond, label %if.else68, label %if.then53 |
| |
| if.then53: ; preds = %if.end |
| %28 = tail call i32 @llvm.hexagon.S2.asl.r.r.sat(i32 %conv49, i32 1) |
| %29 = tail call i32 @llvm.hexagon.A2.sath(i32 %28) |
| %30 = tail call i32 @llvm.hexagon.A2.subsat(i32 %26, i32 1276901417) |
| %cmp56 = icmp slt i32 %30, 0 |
| br i1 %cmp56, label %if.then58, label %if.else |
| |
| if.then58: ; preds = %if.then53 |
| %sext131 = shl i32 %29, 16 |
| %conv59 = ashr exact i32 %sext131, 16 |
| %31 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv59, i32 2) |
| br label %if.end80 |
| |
| if.else: ; preds = %if.then53 |
| %32 = tail call i32 @llvm.hexagon.A2.subsat(i32 %26, i32 1805811301) |
| %cmp61 = icmp slt i32 %32, 0 |
| br i1 %cmp61, label %if.then63, label %if.end80 |
| |
| if.then63: ; preds = %if.else |
| %sext130 = shl i32 %29, 16 |
| %conv64 = ashr exact i32 %sext130, 16 |
| %33 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv64, i32 1) |
| br label %if.end80 |
| |
| if.else68: ; preds = %if.end |
| %34 = tail call i32 @llvm.hexagon.A2.subsat(i32 %26, i32 1518500250) |
| %cmp69 = icmp slt i32 %34, 0 |
| br i1 %cmp69, label %if.then71, label %if.end74 |
| |
| if.then71: ; preds = %if.else68 |
| %35 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv49, i32 1) |
| br label %if.end74 |
| |
| if.end74: ; preds = %if.then71, %if.else68 |
| %m.0.in = phi i32 [ %35, %if.then71 ], [ %27, %if.else68 ] |
| br i1 %tobool, label %if.end80, label %if.then76 |
| |
| if.then76: ; preds = %if.end74 |
| %sext129 = shl i32 %m.0.in, 16 |
| %conv77 = ashr exact i32 %sext129, 16 |
| %36 = tail call i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32 %conv77, i32 5) |
| br label %if.end80 |
| |
| if.end80: ; preds = %if.end74, %if.then76, %if.then58, %if.then63, %if.else |
| %m.1.in = phi i32 [ %31, %if.then58 ], [ %33, %if.then63 ], [ %29, %if.else ], [ %36, %if.then76 ], [ %m.0.in, %if.end74 ] |
| %m.1 = trunc i32 %m.1.in to i16 |
| %cmp.i135 = icmp slt i16 %m.1, 0 |
| %var_out.0.i136 = select i1 %cmp.i135, i16 0, i16 %m.1 |
| %conv81 = sext i16 %p3 to i32 |
| %37 = tail call i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32 %conv81, i32 1) |
| %conv82 = trunc i32 %37 to i16 |
| %cmp.i134 = icmp sgt i16 %var_out.0.i136, %conv82 |
| %var_out.0.i = select i1 %cmp.i134, i16 %conv82, i16 %var_out.0.i136 |
| store i16 %var_out.0.i, i16* %p2, align 2, !tbaa !7 |
| ret void |
| } |
| |
| declare i32 @llvm.hexagon.A2.abssat(i32) #2 |
| declare i32 @llvm.hexagon.A2.addh.l16.sat.ll(i32, i32) #2 |
| declare i32 @llvm.hexagon.A2.addsat(i32, i32) #2 |
| declare i32 @llvm.hexagon.A2.asrh(i32) #2 |
| declare i32 @llvm.hexagon.A2.max(i32, i32) #2 |
| declare i32 @llvm.hexagon.A2.sath(i32) #2 |
| declare i32 @llvm.hexagon.A2.subh.l16.sat.ll(i32, i32) #2 |
| declare i32 @llvm.hexagon.A2.subsat(i32, i32) #2 |
| declare i32 @llvm.hexagon.A2.zxth(i32) #2 |
| declare i32 @llvm.hexagon.M2.hmmpyl.s1(i32, i32) #2 |
| declare i32 @llvm.hexagon.M2.mpy.acc.sat.ll.s0(i32, i32, i32) #2 |
| declare i32 @llvm.hexagon.S2.asl.r.r.sat(i32, i32) #2 |
| declare i32 @llvm.hexagon.S2.asr.r.r.sat(i32, i32) #2 |
| declare i32 @llvm.hexagon.S2.clbnorm(i32) #2 |
| declare i32 @llvm.hexagon.S2.lsr.r.r(i32, i32) #2 |
| declare i64 @llvm.hexagon.M2.mpyd.ll.s1(i32, i32) #2 |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 |
| |
| attributes #0 = { norecurse nounwind "target-cpu"="hexagonv60" "target-features"="+hvx,-hvx-double" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { argmemonly nounwind } |
| attributes #2 = { nounwind readnone } |
| |
| |
| !1 = !{!2, !2, i64 0} |
| !2 = !{!"int", !3, i64 0} |
| !3 = !{!"omnipotent char", !4, i64 0} |
| !4 = !{!"Simple C/C++ TBAA"} |
| !5 = distinct !{!5, !6} |
| !6 = !{!"llvm.loop.threadify", i32 81508608} |
| !7 = !{!8, !8, i64 0} |
| !8 = !{!"short", !3, i64 0} |
| !9 = distinct !{!9, !10} |
| !10 = !{!"llvm.loop.threadify", i32 1441813} |
| !11 = distinct !{!11, !10} |
