|  | ; REQUIRES: asserts | 
|  | ; RUN: llc -mtriple=hexagon --stats -o - 2>&1 < %s | FileCheck %s | 
|  |  | 
|  | ; Check that the compilation succeeded and that some code was generated. | 
|  | ; CHECK: vadd | 
|  |  | 
|  | ; Check that the loop is pipelined and that a valid node order is used. | 
|  | ; CHECK-NOT: Number of node order issues found | 
|  | ; CHECK: Number of loops software pipelined | 
|  | ; CHECK-NOT: Number of node order issues found | 
|  |  | 
|  | target triple = "hexagon" | 
|  |  | 
|  | define void @fred(ptr noalias nocapture readonly %p0, i32 %p1, i32 %p2, ptr noalias nocapture %p3, i32 %p4) local_unnamed_addr #1 { | 
|  | entry: | 
|  | %mul = mul i32 %p4, %p1 | 
|  | %add.ptr = getelementptr inbounds i16, ptr %p0, i32 %mul | 
|  | %add = add nsw i32 %p4, 1 | 
|  | %rem = srem i32 %add, 5 | 
|  | %mul1 = mul i32 %rem, %p1 | 
|  | %add.ptr2 = getelementptr inbounds i16, ptr %p0, i32 %mul1 | 
|  | %add7 = add nsw i32 %p4, 3 | 
|  | %rem8 = srem i32 %add7, 5 | 
|  | %mul9 = mul i32 %rem8, %p1 | 
|  | %add.ptr10 = getelementptr inbounds i16, ptr %p0, i32 %mul9 | 
|  | %incdec.ptr18 = getelementptr inbounds i16, ptr %p0, i32 32 | 
|  | %incdec.ptr17 = getelementptr inbounds i16, ptr %add.ptr10, i32 32 | 
|  | %incdec.ptr16 = getelementptr inbounds i16, ptr %p0, i32 32 | 
|  | %incdec.ptr15 = getelementptr inbounds i16, ptr %add.ptr2, i32 32 | 
|  | %incdec.ptr = getelementptr inbounds i16, ptr %add.ptr, i32 32 | 
|  | br i1 undef, label %for.end.loopexit.unr-lcssa, label %for.body | 
|  |  | 
|  | for.body:                                         ; preds = %for.body, %entry | 
|  | %optr.0102 = phi ptr [ %incdec.ptr24.3, %for.body ], [ %p3, %entry ] | 
|  | %iptr4.0101 = phi ptr [ %incdec.ptr23.3, %for.body ], [ %incdec.ptr18, %entry ] | 
|  | %iptr3.0100 = phi ptr [ %incdec.ptr22.3, %for.body ], [ %incdec.ptr17, %entry ] | 
|  | %iptr2.099 = phi ptr [ poison, %for.body ], [ %incdec.ptr16, %entry ] | 
|  | %iptr1.098 = phi ptr [ %incdec.ptr20.3, %for.body ], [ %incdec.ptr15, %entry ] | 
|  | %iptr0.097 = phi ptr [ %incdec.ptr19.3, %for.body ], [ %incdec.ptr, %entry ] | 
|  | %dVsumv1.096 = phi <32 x i32> [ %60, %for.body ], [ undef, %entry ] | 
|  | %niter = phi i32 [ %niter.nsub.3, %for.body ], [ undef, %entry ] | 
|  | %0 = load <16 x i32>, ptr %iptr0.097, align 64, !tbaa !1 | 
|  | %1 = load <16 x i32>, ptr %iptr1.098, align 64, !tbaa !1 | 
|  | %2 = load <16 x i32>, ptr %iptr2.099, align 64, !tbaa !1 | 
|  | %3 = load <16 x i32>, ptr %iptr3.0100, align 64, !tbaa !1 | 
|  | %4 = load <16 x i32>, ptr %iptr4.0101, align 64, !tbaa !1 | 
|  | %5 = tail call <32 x i32> @llvm.hexagon.V6.vaddhw(<16 x i32> %0, <16 x i32> %4) | 
|  | %6 = tail call <32 x i32> @llvm.hexagon.V6.vmpyhsat.acc(<32 x i32> %5, <16 x i32> %2, i32 393222) | 
|  | %7 = tail call <32 x i32> @llvm.hexagon.V6.vcombine(<16 x i32> %3, <16 x i32> %1) | 
|  | %8 = tail call <32 x i32> @llvm.hexagon.V6.vmpahb.acc(<32 x i32> %6, <32 x i32> %7, i32 67372036) | 
|  | %9 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %dVsumv1.096) | 
|  | %10 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %8) | 
|  | %11 = tail call <16 x i32> @llvm.hexagon.V6.valignbi(<16 x i32> %10, <16 x i32> %9, i32 4) | 
|  | %12 = tail call <16 x i32> @llvm.hexagon.V6.hi(<32 x i32> %8) | 
|  | %13 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %10, <16 x i32> %9, i32 8) | 
|  | %14 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %12, <16 x i32> undef, i32 8) | 
|  | %15 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> %11, <16 x i32> %13) | 
|  | %16 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> %9, <16 x i32> %13) | 
|  | %17 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %16, <16 x i32> %11, i32 101058054) | 
|  | %18 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %17, <16 x i32> zeroinitializer, i32 67372036) | 
|  | %19 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> undef, <16 x i32> %14) | 
|  | %20 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %19, <16 x i32> undef, i32 101058054) | 
|  | %21 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %20, <16 x i32> %15, i32 67372036) | 
|  | %22 = tail call <16 x i32> @llvm.hexagon.V6.vasrwh(<16 x i32> %21, <16 x i32> %18, i32 8) | 
|  | %incdec.ptr24 = getelementptr inbounds <16 x i32>, ptr %optr.0102, i32 1 | 
|  | store <16 x i32> %22, ptr %optr.0102, align 64, !tbaa !1 | 
|  | %incdec.ptr19.1 = getelementptr inbounds <16 x i32>, ptr %iptr0.097, i32 2 | 
|  | %incdec.ptr23.1 = getelementptr inbounds <16 x i32>, ptr %iptr4.0101, i32 2 | 
|  | %23 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %8) | 
|  | %24 = tail call <16 x i32> @llvm.hexagon.V6.hi(<32 x i32> %8) | 
|  | %25 = tail call <16 x i32> @llvm.hexagon.V6.valignbi(<16 x i32> undef, <16 x i32> %23, i32 4) | 
|  | %26 = tail call <16 x i32> @llvm.hexagon.V6.valignbi(<16 x i32> undef, <16 x i32> %24, i32 4) | 
|  | %27 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> undef, <16 x i32> %23, i32 8) | 
|  | %28 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> undef, <16 x i32> %24, i32 8) | 
|  | %29 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> %25, <16 x i32> %27) | 
|  | %30 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> %23, <16 x i32> %27) | 
|  | %31 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %30, <16 x i32> %25, i32 101058054) | 
|  | %32 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %31, <16 x i32> undef, i32 67372036) | 
|  | %33 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> %24, <16 x i32> %28) | 
|  | %34 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %33, <16 x i32> %26, i32 101058054) | 
|  | %35 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %34, <16 x i32> %29, i32 67372036) | 
|  | %36 = tail call <16 x i32> @llvm.hexagon.V6.vasrwh(<16 x i32> %35, <16 x i32> %32, i32 8) | 
|  | %incdec.ptr24.1 = getelementptr inbounds <16 x i32>, ptr %optr.0102, i32 2 | 
|  | store <16 x i32> %36, ptr %incdec.ptr24, align 64, !tbaa !1 | 
|  | %incdec.ptr19.2 = getelementptr inbounds <16 x i32>, ptr %iptr0.097, i32 3 | 
|  | %37 = load <16 x i32>, ptr %incdec.ptr19.1, align 64, !tbaa !1 | 
|  | %incdec.ptr20.2 = getelementptr inbounds <16 x i32>, ptr %iptr1.098, i32 3 | 
|  | %incdec.ptr21.2 = getelementptr inbounds <16 x i32>, ptr %iptr2.099, i32 3 | 
|  | %incdec.ptr22.2 = getelementptr inbounds <16 x i32>, ptr %iptr3.0100, i32 3 | 
|  | %incdec.ptr23.2 = getelementptr inbounds <16 x i32>, ptr %iptr4.0101, i32 3 | 
|  | %38 = load <16 x i32>, ptr %incdec.ptr23.1, align 64, !tbaa !1 | 
|  | %39 = tail call <32 x i32> @llvm.hexagon.V6.vaddhw(<16 x i32> %37, <16 x i32> %38) | 
|  | %40 = tail call <32 x i32> @llvm.hexagon.V6.vmpyhsat.acc(<32 x i32> %39, <16 x i32> undef, i32 393222) | 
|  | %41 = tail call <32 x i32> @llvm.hexagon.V6.vmpahb.acc(<32 x i32> %40, <32 x i32> undef, i32 67372036) | 
|  | %42 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %41) | 
|  | %43 = tail call <16 x i32> @llvm.hexagon.V6.valignbi(<16 x i32> %42, <16 x i32> undef, i32 4) | 
|  | %44 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %42, <16 x i32> undef, i32 8) | 
|  | %45 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> zeroinitializer, <16 x i32> undef) | 
|  | %46 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> %43, <16 x i32> %44) | 
|  | %47 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> undef, <16 x i32> %44) | 
|  | %48 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %47, <16 x i32> %43, i32 101058054) | 
|  | %49 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %48, <16 x i32> %45, i32 67372036) | 
|  | %50 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> undef, <16 x i32> %46, i32 67372036) | 
|  | %51 = tail call <16 x i32> @llvm.hexagon.V6.vasrwh(<16 x i32> %50, <16 x i32> %49, i32 8) | 
|  | %incdec.ptr24.2 = getelementptr inbounds <16 x i32>, ptr %optr.0102, i32 3 | 
|  | store <16 x i32> %51, ptr %incdec.ptr24.1, align 64, !tbaa !1 | 
|  | %incdec.ptr19.3 = getelementptr inbounds <16 x i32>, ptr %iptr0.097, i32 4 | 
|  | %52 = load <16 x i32>, ptr %incdec.ptr19.2, align 64, !tbaa !1 | 
|  | %incdec.ptr20.3 = getelementptr inbounds <16 x i32>, ptr %iptr1.098, i32 4 | 
|  | %53 = load <16 x i32>, ptr %incdec.ptr20.2, align 64, !tbaa !1 | 
|  | %54 = load <16 x i32>, ptr %incdec.ptr21.2, align 64, !tbaa !1 | 
|  | %incdec.ptr22.3 = getelementptr inbounds <16 x i32>, ptr %iptr3.0100, i32 4 | 
|  | %55 = load <16 x i32>, ptr %incdec.ptr22.2, align 64, !tbaa !1 | 
|  | %incdec.ptr23.3 = getelementptr inbounds <16 x i32>, ptr %iptr4.0101, i32 4 | 
|  | %56 = load <16 x i32>, ptr %incdec.ptr23.2, align 64, !tbaa !1 | 
|  | %57 = tail call <32 x i32> @llvm.hexagon.V6.vaddhw(<16 x i32> %52, <16 x i32> %56) | 
|  | %58 = tail call <32 x i32> @llvm.hexagon.V6.vmpyhsat.acc(<32 x i32> %57, <16 x i32> %54, i32 393222) | 
|  | %59 = tail call <32 x i32> @llvm.hexagon.V6.vcombine(<16 x i32> %55, <16 x i32> %53) | 
|  | %60 = tail call <32 x i32> @llvm.hexagon.V6.vmpahb.acc(<32 x i32> %58, <32 x i32> %59, i32 67372036) | 
|  | %61 = tail call <16 x i32> @llvm.hexagon.V6.hi(<32 x i32> %41) | 
|  | %62 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %60) | 
|  | %63 = tail call <16 x i32> @llvm.hexagon.V6.valignbi(<16 x i32> %62, <16 x i32> undef, i32 4) | 
|  | %64 = tail call <16 x i32> @llvm.hexagon.V6.hi(<32 x i32> %60) | 
|  | %65 = tail call <16 x i32> @llvm.hexagon.V6.valignbi(<16 x i32> %64, <16 x i32> %61, i32 4) | 
|  | %66 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %64, <16 x i32> %61, i32 8) | 
|  | %67 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> %61, <16 x i32> %65) | 
|  | %68 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> undef, <16 x i32> %63, i32 101058054) | 
|  | %69 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %68, <16 x i32> %67, i32 67372036) | 
|  | %70 = tail call <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32> %61, <16 x i32> %66) | 
|  | %71 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %70, <16 x i32> %65, i32 101058054) | 
|  | %72 = tail call <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32> %71, <16 x i32> undef, i32 67372036) | 
|  | %73 = tail call <16 x i32> @llvm.hexagon.V6.vasrwh(<16 x i32> %72, <16 x i32> %69, i32 8) | 
|  | %incdec.ptr24.3 = getelementptr inbounds <16 x i32>, ptr %optr.0102, i32 4 | 
|  | store <16 x i32> %73, ptr %incdec.ptr24.2, align 64, !tbaa !1 | 
|  | %niter.nsub.3 = add i32 %niter, -4 | 
|  | %niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0 | 
|  | br i1 %niter.ncmp.3, label %for.end.loopexit.unr-lcssa, label %for.body | 
|  |  | 
|  | for.end.loopexit.unr-lcssa:                       ; preds = %for.body, %entry | 
|  | ret void | 
|  | } | 
|  |  | 
|  | declare <16 x i32> @llvm.hexagon.V6.hi(<32 x i32>) #0 | 
|  | declare <16 x i32> @llvm.hexagon.V6.lo(<32 x i32>) #0 | 
|  | declare <16 x i32> @llvm.hexagon.V6.vaddw(<16 x i32>, <16 x i32>) #0 | 
|  | declare <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32>, <16 x i32>, i32) #0 | 
|  | declare <16 x i32> @llvm.hexagon.V6.valignbi(<16 x i32>, <16 x i32>, i32) #0 | 
|  | declare <16 x i32> @llvm.hexagon.V6.vasrwh(<16 x i32>, <16 x i32>, i32) #0 | 
|  | declare <16 x i32> @llvm.hexagon.V6.vmpyiwb.acc(<16 x i32>, <16 x i32>, i32) #0 | 
|  | declare <32 x i32> @llvm.hexagon.V6.vaddhw(<16 x i32>, <16 x i32>) #0 | 
|  | declare <32 x i32> @llvm.hexagon.V6.vcombine(<16 x i32>, <16 x i32>) #0 | 
|  | declare <32 x i32> @llvm.hexagon.V6.vmpahb.acc(<32 x i32>, <32 x i32>, i32) #0 | 
|  | declare <32 x i32> @llvm.hexagon.V6.vmpyhsat.acc(<32 x i32>, <16 x i32>, i32) #0 | 
|  |  | 
|  | attributes #0 = { nounwind readnone } | 
|  | attributes #1 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" } | 
|  |  | 
|  | !1 = !{!2, !2, i64 0} | 
|  | !2 = !{!"omnipotent char", !3, i64 0} | 
|  | !3 = !{!"Simple C/C++ TBAA"} |