1; RUN: llc -march=hexagon < %s 2; Used to fail with an infinite recursion in the insn selection. 3target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32" 4target triple = "hexagon-unknown-linux-gnu" 5 6%struct.elt = type { [2 x [4 x %struct.block]] } 7%struct.block = type { [2 x i16] } 8 9define void @foo(%struct.elt* noalias nocapture %p0, %struct.elt* noalias nocapture %p1) nounwind { 10entry: 11 %arrayidx1 = getelementptr inbounds %struct.elt, %struct.elt* %p1, i32 0, i32 0, i32 0, i32 3 12 %arrayidx4 = getelementptr inbounds %struct.elt, %struct.elt* %p1, i32 0, i32 0, i32 0, i32 2 13 %arrayidx7 = getelementptr inbounds %struct.elt, %struct.elt* %p0, i32 0, i32 0, i32 0, i32 3 14 %0 = bitcast %struct.block* %arrayidx7 to i32* 15 %1 = bitcast %struct.block* %arrayidx4 to i32* 16 %2 = load i32, i32* %0, align 4 17 store i32 %2, i32* %1, align 4 18 %3 = bitcast %struct.block* %arrayidx1 to i32* 19 store i32 %2, i32* %3, align 4 20 %arrayidx10 = getelementptr inbounds %struct.elt, %struct.elt* %p1, i32 0, i32 0, i32 0, i32 1 21 %arrayidx16 = getelementptr inbounds %struct.elt, %struct.elt* %p0, i32 0, i32 0, i32 0, i32 2 22 %4 = bitcast %struct.block* %arrayidx16 to i32* 23 %5 = bitcast %struct.elt* %p1 to i32* 24 %6 = load i32, i32* %4, align 4 25 store i32 %6, i32* %5, align 4 26 %7 = bitcast %struct.block* %arrayidx10 to i32* 27 store i32 %6, i32* %7, align 4 28 %p_arrayidx26 = getelementptr %struct.elt, %struct.elt* %p0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1 29 %p_arrayidx2632 = getelementptr %struct.elt, %struct.elt* %p0, i32 0, i32 0, i32 0, i32 1, i32 0, i32 1 30 %p_arrayidx2633 = getelementptr %struct.elt, %struct.elt* %p0, i32 0, i32 0, i32 0, i32 2, i32 0, i32 1 31 %p_arrayidx2634 = getelementptr %struct.elt, %struct.elt* %p0, i32 0, i32 0, i32 0, i32 3, i32 0, i32 1 32 %p_arrayidx20 = getelementptr %struct.elt, %struct.elt* %p1, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1 33 %p_arrayidx2035 = getelementptr %struct.elt, %struct.elt* %p1, i32 0, i32 0, i32 0, i32 1, i32 0, i32 1 34 %p_arrayidx2036 = getelementptr %struct.elt, %struct.elt* %p1, i32 0, i32 0, i32 0, i32 2, i32 0, i32 1 35 %p_arrayidx2037 = getelementptr %struct.elt, %struct.elt* %p1, i32 0, i32 0, i32 0, i32 3, i32 0, i32 1 36 %8 = lshr i32 %6, 16 37 %9 = trunc i32 %8 to i16 38 %_p_vec_ = insertelement <4 x i16> undef, i16 %9, i32 0 39 %_p_vec_39 = insertelement <4 x i16> %_p_vec_, i16 %9, i32 1 40 %10 = lshr i32 %2, 16 41 %11 = trunc i32 %10 to i16 42 %_p_vec_41 = insertelement <4 x i16> %_p_vec_39, i16 %11, i32 2 43 %_p_vec_43 = insertelement <4 x i16> %_p_vec_41, i16 %11, i32 3 44 %shlp_vec = shl <4 x i16> %_p_vec_43, <i16 1, i16 1, i16 1, i16 1> 45 %12 = extractelement <4 x i16> %shlp_vec, i32 0 46 store i16 %12, i16* %p_arrayidx20, align 2 47 %13 = extractelement <4 x i16> %shlp_vec, i32 1 48 store i16 %13, i16* %p_arrayidx2035, align 2 49 %14 = extractelement <4 x i16> %shlp_vec, i32 2 50 store i16 %14, i16* %p_arrayidx2036, align 2 51 %15 = extractelement <4 x i16> %shlp_vec, i32 3 52 store i16 %15, i16* %p_arrayidx2037, align 2 53 %_p_scalar_44 = load i16, i16* %p_arrayidx26, align 2 54 %_p_vec_45 = insertelement <4 x i16> undef, i16 %_p_scalar_44, i32 0 55 %_p_scalar_46 = load i16, i16* %p_arrayidx2632, align 2 56 %_p_vec_47 = insertelement <4 x i16> %_p_vec_45, i16 %_p_scalar_46, i32 1 57 %_p_scalar_48 = load i16, i16* %p_arrayidx2633, align 2 58 %_p_vec_49 = insertelement <4 x i16> %_p_vec_47, i16 %_p_scalar_48, i32 2 59 %_p_scalar_50 = load i16, i16* %p_arrayidx2634, align 2 60 %_p_vec_51 = insertelement <4 x i16> %_p_vec_49, i16 %_p_scalar_50, i32 3 61 %shl28p_vec = shl <4 x i16> %_p_vec_51, <i16 1, i16 1, i16 1, i16 1> 62 %16 = extractelement <4 x i16> %shl28p_vec, i32 0 63 store i16 %16, i16* %p_arrayidx26, align 2 64 %17 = extractelement <4 x i16> %shl28p_vec, i32 1 65 store i16 %17, i16* %p_arrayidx2632, align 2 66 %18 = extractelement <4 x i16> %shl28p_vec, i32 2 67 store i16 %18, i16* %p_arrayidx2633, align 2 68 %19 = extractelement <4 x i16> %shl28p_vec, i32 3 69 store i16 %19, i16* %p_arrayidx2634, align 2 70 ret void 71} 72