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      1 ; RUN: llc -march=hexagon < %s | FileCheck %s
      2 
      3 ; CHECK: if (p{{[0-3]}}) v{{[0-9]+}} = v{{[0-9]+}}
      4 
      5 target triple = "hexagon"
      6 
      7 ; Function Attrs: nounwind
      8 define void @fast9_detect_coarse(i8* nocapture readnone %img, i32 %xsize, i32 %stride, i32 %barrier, i32* nocapture %bitmask, i32 %boundary) #0 {
      9 entry:
     10   %0 = bitcast i32* %bitmask to <16 x i32>*
     11   %1 = mul i32 %boundary, -2
     12   %sub = add i32 %1, %xsize
     13   %rem = and i32 %boundary, 63
     14   %add = add i32 %sub, %rem
     15   %2 = tail call <16 x i32> @llvm.hexagon.V6.lvsplatw(i32 -1)
     16   %3 = tail call <16 x i32> @llvm.hexagon.V6.lvsplatw(i32 1)
     17   %4 = tail call <512 x i1> @llvm.hexagon.V6.pred.scalar2(i32 %add)
     18   %5 = tail call <16 x i32> @llvm.hexagon.V6.vandqrt.acc(<16 x i32> %3, <512 x i1> %4, i32 12)
     19   %and4 = and i32 %add, 511
     20   %cmp = icmp eq i32 %and4, 0
     21   %sMaskR.0 = select i1 %cmp, <16 x i32> %2, <16 x i32> %5
     22   %cmp547 = icmp sgt i32 %add, 0
     23   br i1 %cmp547, label %for.body.lr.ph, label %for.end
     24 
     25 for.body.lr.ph:                                   ; preds = %entry
     26   %6 = tail call <512 x i1> @llvm.hexagon.V6.pred.scalar2(i32 %boundary)
     27   %7 = tail call <16 x i32> @llvm.hexagon.V6.vandqrt(<512 x i1> %6, i32 16843009)
     28   %8 = tail call <16 x i32> @llvm.hexagon.V6.vnot(<16 x i32> %7)
     29   %9 = add i32 %rem, %xsize
     30   %10 = add i32 %9, -1
     31   %11 = add i32 %10, %1
     32   %12 = lshr i32 %11, 9
     33   %13 = mul i32 %12, 16
     34   %14 = add nuw nsw i32 %13, 16
     35   %scevgep = getelementptr i32, i32* %bitmask, i32 %14
     36   br label %for.body
     37 
     38 for.body:                                         ; preds = %for.body.lr.ph, %for.body
     39   %i.050 = phi i32 [ %add, %for.body.lr.ph ], [ %sub6, %for.body ]
     40   %sMask.049 = phi <16 x i32> [ %8, %for.body.lr.ph ], [ %2, %for.body ]
     41   %optr.048 = phi <16 x i32>* [ %0, %for.body.lr.ph ], [ %incdec.ptr, %for.body ]
     42   %15 = tail call <16 x i32> @llvm.hexagon.V6.vand(<16 x i32> undef, <16 x i32> %sMask.049)
     43   %incdec.ptr = getelementptr inbounds <16 x i32>, <16 x i32>* %optr.048, i32 1
     44   store <16 x i32> %15, <16 x i32>* %optr.048, align 64
     45   %sub6 = add nsw i32 %i.050, -512
     46   %cmp5 = icmp sgt i32 %sub6, 0
     47   br i1 %cmp5, label %for.body, label %for.cond.for.end_crit_edge
     48 
     49 for.cond.for.end_crit_edge:                       ; preds = %for.body
     50   %scevgep51 = bitcast i32* %scevgep to <16 x i32>*
     51   br label %for.end
     52 
     53 for.end:                                          ; preds = %for.cond.for.end_crit_edge, %entry
     54   %optr.0.lcssa = phi <16 x i32>* [ %scevgep51, %for.cond.for.end_crit_edge ], [ %0, %entry ]
     55   %16 = load <16 x i32>, <16 x i32>* %optr.0.lcssa, align 64
     56   %17 = tail call <16 x i32> @llvm.hexagon.V6.vand(<16 x i32> %16, <16 x i32> %sMaskR.0)
     57   store <16 x i32> %17, <16 x i32>* %optr.0.lcssa, align 64
     58   ret void
     59 }
     60 
     61 declare <16 x i32> @llvm.hexagon.V6.lvsplatw(i32) #1
     62 declare <512 x i1> @llvm.hexagon.V6.pred.scalar2(i32) #1
     63 declare <16 x i32> @llvm.hexagon.V6.vandqrt.acc(<16 x i32>, <512 x i1>, i32) #1
     64 declare <16 x i32> @llvm.hexagon.V6.vandqrt(<512 x i1>, i32) #1
     65 declare <16 x i32> @llvm.hexagon.V6.vnot(<16 x i32>) #1
     66 declare <16 x i32> @llvm.hexagon.V6.vand(<16 x i32>, <16 x i32>) #1
     67 
     68 attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" }
     69 attributes #1 = { nounwind readnone }
     70