1; RUN: llc < %s -mtriple=thumbv7-apple-darwin9 -mcpu=cortex-a8 -relocation-model=pic -disable-fp-elim 2 3 %struct.FILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.__sbuf, %struct.__sFILEX*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i64 } 4 %struct.JHUFF_TBL = type { [17 x i8], [256 x i8], i32 } 5 %struct.JQUANT_TBL = type { [64 x i16], i32 } 6 %struct.__sFILEX = type opaque 7 %struct.__sbuf = type { i8*, i32 } 8 %struct.anon = type { [8 x i32], [48 x i8] } 9 %struct.backing_store_info = type { void (%struct.jpeg_common_struct*, %struct.backing_store_info*, i8*, i32, i32)*, void (%struct.jpeg_common_struct*, %struct.backing_store_info*, i8*, i32, i32)*, void (%struct.jpeg_common_struct*, %struct.backing_store_info*)*, %struct.FILE*, [64 x i8] } 10 %struct.jpeg_color_deconverter = type { void (%struct.jpeg_decompress_struct*)*, void (%struct.jpeg_decompress_struct*, i8***, i32, i8**, i32)* } 11 %struct.jpeg_color_quantizer = type { void (%struct.jpeg_decompress_struct*, i32)*, void (%struct.jpeg_decompress_struct*, i8**, i8**, i32)*, void (%struct.jpeg_decompress_struct*)*, void (%struct.jpeg_decompress_struct*)* } 12 %struct.jpeg_common_struct = type { %struct.jpeg_error_mgr*, %struct.jpeg_memory_mgr*, %struct.jpeg_progress_mgr*, i32, i32 } 13 %struct.jpeg_component_info = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, %struct.JQUANT_TBL*, i8* } 14 %struct.jpeg_d_coef_controller = type { void (%struct.jpeg_decompress_struct*)*, i32 (%struct.jpeg_decompress_struct*)*, void (%struct.jpeg_decompress_struct*)*, i32 (%struct.jpeg_decompress_struct*, i8***)*, %struct.jvirt_barray_control** } 15 %struct.jpeg_d_main_controller = type { void (%struct.jpeg_decompress_struct*, i32)*, void (%struct.jpeg_decompress_struct*, i8**, i32*, i32)* } 16 %struct.jpeg_d_post_controller = type { void (%struct.jpeg_decompress_struct*, i32)*, void (%struct.jpeg_decompress_struct*, i8***, i32*, i32, i8**, i32*, i32)* } 17 %struct.jpeg_decomp_master = type { void (%struct.jpeg_decompress_struct*)*, void (%struct.jpeg_decompress_struct*)*, i32 } 18 %struct.jpeg_decompress_struct = type { %struct.jpeg_error_mgr*, %struct.jpeg_memory_mgr*, %struct.jpeg_progress_mgr*, i32, i32, %struct.jpeg_source_mgr*, i32, i32, i32, i32, i32, i32, i32, double, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i8**, i32, i32, i32, i32, i32, [64 x i32]*, [4 x %struct.JQUANT_TBL*], [4 x %struct.JHUFF_TBL*], [4 x %struct.JHUFF_TBL*], i32, %struct.jpeg_component_info*, i32, i32, [16 x i8], [16 x i8], [16 x i8], i32, i32, i8, i16, i16, i32, i8, i32, i32, i32, i32, i32, i8*, i32, [4 x %struct.jpeg_component_info*], i32, i32, i32, [10 x i32], i32, i32, i32, i32, i32, %struct.jpeg_decomp_master*, %struct.jpeg_d_main_controller*, %struct.jpeg_d_coef_controller*, %struct.jpeg_d_post_controller*, %struct.jpeg_input_controller*, %struct.jpeg_marker_reader*, %struct.jpeg_entropy_decoder*, %struct.jpeg_inverse_dct*, %struct.jpeg_upsampler*, %struct.jpeg_color_deconverter*, %struct.jpeg_color_quantizer* } 19 %struct.jpeg_entropy_decoder = type { void (%struct.jpeg_decompress_struct*)*, i32 (%struct.jpeg_decompress_struct*, [64 x i16]**)* } 20 %struct.jpeg_error_mgr = type { void (%struct.jpeg_common_struct*)*, void (%struct.jpeg_common_struct*, i32)*, void (%struct.jpeg_common_struct*)*, void (%struct.jpeg_common_struct*, i8*)*, void (%struct.jpeg_common_struct*)*, i32, %struct.anon, i32, i32, i8**, i32, i8**, i32, i32 } 21 %struct.jpeg_input_controller = type { i32 (%struct.jpeg_decompress_struct*)*, void (%struct.jpeg_decompress_struct*)*, void (%struct.jpeg_decompress_struct*)*, void (%struct.jpeg_decompress_struct*)*, i32, i32 } 22 %struct.jpeg_inverse_dct = type { void (%struct.jpeg_decompress_struct*)*, [10 x void (%struct.jpeg_decompress_struct*, %struct.jpeg_component_info*, i16*, i8**, i32)*] } 23 %struct.jpeg_marker_reader = type { void (%struct.jpeg_decompress_struct*)*, i32 (%struct.jpeg_decompress_struct*)*, i32 (%struct.jpeg_decompress_struct*)*, i32 (%struct.jpeg_decompress_struct*)*, [16 x i32 (%struct.jpeg_decompress_struct*)*], i32, i32, i32, i32 } 24 %struct.jpeg_memory_mgr = type { i8* (%struct.jpeg_common_struct*, i32, i32)*, i8* (%struct.jpeg_common_struct*, i32, i32)*, i8** (%struct.jpeg_common_struct*, i32, i32, i32)*, [64 x i16]** (%struct.jpeg_common_struct*, i32, i32, i32)*, %struct.jvirt_sarray_control* (%struct.jpeg_common_struct*, i32, i32, i32, i32, i32)*, %struct.jvirt_barray_control* (%struct.jpeg_common_struct*, i32, i32, i32, i32, i32)*, void (%struct.jpeg_common_struct*)*, i8** (%struct.jpeg_common_struct*, %struct.jvirt_sarray_control*, i32, i32, i32)*, [64 x i16]** (%struct.jpeg_common_struct*, %struct.jvirt_barray_control*, i32, i32, i32)*, void (%struct.jpeg_common_struct*, i32)*, void (%struct.jpeg_common_struct*)*, i32 } 25 %struct.jpeg_progress_mgr = type { void (%struct.jpeg_common_struct*)*, i32, i32, i32, i32 } 26 %struct.jpeg_source_mgr = type { i8*, i32, void (%struct.jpeg_decompress_struct*)*, i32 (%struct.jpeg_decompress_struct*)*, void (%struct.jpeg_decompress_struct*, i32)*, i32 (%struct.jpeg_decompress_struct*, i32)*, void (%struct.jpeg_decompress_struct*)* } 27 %struct.jpeg_upsampler = type { void (%struct.jpeg_decompress_struct*)*, void (%struct.jpeg_decompress_struct*, i8***, i32*, i32, i8**, i32*, i32)*, i32 } 28 %struct.jvirt_barray_control = type { [64 x i16]**, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, %struct.jvirt_barray_control*, %struct.backing_store_info } 29 %struct.jvirt_sarray_control = type { i8**, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, %struct.jvirt_sarray_control*, %struct.backing_store_info } 30 31define void @jpeg_idct_float(%struct.jpeg_decompress_struct* nocapture %cinfo, %struct.jpeg_component_info* nocapture %compptr, i16* nocapture %coef_block, i8** nocapture %output_buf, i32 %output_col) nounwind { 32entry: 33 %workspace = alloca [64 x float], align 4 ; <[64 x float]*> [#uses=11] 34 %0 = load i8** undef, align 4 ; <i8*> [#uses=5] 35 br label %bb 36 37bb: ; preds = %bb, %entry 38 %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=11] 39 %tmp39 = add i32 %indvar, 8 ; <i32> [#uses=0] 40 %tmp41 = add i32 %indvar, 16 ; <i32> [#uses=2] 41 %scevgep42 = getelementptr [64 x float]* %workspace, i32 0, i32 %tmp41 ; <float*> [#uses=1] 42 %tmp43 = add i32 %indvar, 24 ; <i32> [#uses=1] 43 %scevgep44 = getelementptr [64 x float]* %workspace, i32 0, i32 %tmp43 ; <float*> [#uses=1] 44 %tmp45 = add i32 %indvar, 32 ; <i32> [#uses=1] 45 %scevgep46 = getelementptr [64 x float]* %workspace, i32 0, i32 %tmp45 ; <float*> [#uses=1] 46 %tmp47 = add i32 %indvar, 40 ; <i32> [#uses=1] 47 %scevgep48 = getelementptr [64 x float]* %workspace, i32 0, i32 %tmp47 ; <float*> [#uses=1] 48 %tmp49 = add i32 %indvar, 48 ; <i32> [#uses=1] 49 %scevgep50 = getelementptr [64 x float]* %workspace, i32 0, i32 %tmp49 ; <float*> [#uses=1] 50 %tmp51 = add i32 %indvar, 56 ; <i32> [#uses=1] 51 %scevgep52 = getelementptr [64 x float]* %workspace, i32 0, i32 %tmp51 ; <float*> [#uses=1] 52 %wsptr.119 = getelementptr [64 x float]* %workspace, i32 0, i32 %indvar ; <float*> [#uses=1] 53 %tmp54 = shl i32 %indvar, 2 ; <i32> [#uses=1] 54 %scevgep76 = getelementptr i8* undef, i32 %tmp54 ; <i8*> [#uses=1] 55 %quantptr.118 = bitcast i8* %scevgep76 to float* ; <float*> [#uses=1] 56 %scevgep79 = getelementptr i16* %coef_block, i32 %tmp41 ; <i16*> [#uses=0] 57 %inptr.117 = getelementptr i16* %coef_block, i32 %indvar ; <i16*> [#uses=1] 58 %1 = load i16* null, align 2 ; <i16> [#uses=1] 59 %2 = load i16* undef, align 2 ; <i16> [#uses=1] 60 %3 = load i16* %inptr.117, align 2 ; <i16> [#uses=1] 61 %4 = sitofp i16 %3 to float ; <float> [#uses=1] 62 %5 = load float* %quantptr.118, align 4 ; <float> [#uses=1] 63 %6 = fmul float %4, %5 ; <float> [#uses=1] 64 %7 = fsub float %6, undef ; <float> [#uses=2] 65 %8 = fmul float undef, 0x3FF6A09E60000000 ; <float> [#uses=1] 66 %9 = fsub float %8, 0.000000e+00 ; <float> [#uses=2] 67 %10 = fadd float undef, 0.000000e+00 ; <float> [#uses=2] 68 %11 = fadd float %7, %9 ; <float> [#uses=2] 69 %12 = fsub float %7, %9 ; <float> [#uses=2] 70 %13 = sitofp i16 %1 to float ; <float> [#uses=1] 71 %14 = fmul float %13, undef ; <float> [#uses=2] 72 %15 = sitofp i16 %2 to float ; <float> [#uses=1] 73 %16 = load float* undef, align 4 ; <float> [#uses=1] 74 %17 = fmul float %15, %16 ; <float> [#uses=1] 75 %18 = fadd float %14, undef ; <float> [#uses=2] 76 %19 = fsub float %14, undef ; <float> [#uses=2] 77 %20 = fadd float undef, %17 ; <float> [#uses=2] 78 %21 = fadd float %20, %18 ; <float> [#uses=3] 79 %22 = fsub float %20, %18 ; <float> [#uses=1] 80 %23 = fmul float %22, 0x3FF6A09E60000000 ; <float> [#uses=1] 81 %24 = fadd float %19, undef ; <float> [#uses=1] 82 %25 = fmul float %24, 0x3FFD906BC0000000 ; <float> [#uses=2] 83 %26 = fmul float undef, 0x3FF1517A80000000 ; <float> [#uses=1] 84 %27 = fsub float %26, %25 ; <float> [#uses=1] 85 %28 = fmul float %19, 0xC004E7AEA0000000 ; <float> [#uses=1] 86 %29 = fadd float %28, %25 ; <float> [#uses=1] 87 %30 = fsub float %29, %21 ; <float> [#uses=3] 88 %31 = fsub float %23, %30 ; <float> [#uses=3] 89 %32 = fadd float %27, %31 ; <float> [#uses=1] 90 %33 = fadd float %10, %21 ; <float> [#uses=1] 91 store float %33, float* %wsptr.119, align 4 92 %34 = fsub float %10, %21 ; <float> [#uses=1] 93 store float %34, float* %scevgep52, align 4 94 %35 = fadd float %11, %30 ; <float> [#uses=1] 95 store float %35, float* null, align 4 96 %36 = fsub float %11, %30 ; <float> [#uses=1] 97 store float %36, float* %scevgep50, align 4 98 %37 = fadd float %12, %31 ; <float> [#uses=1] 99 store float %37, float* %scevgep42, align 4 100 %38 = fsub float %12, %31 ; <float> [#uses=1] 101 store float %38, float* %scevgep48, align 4 102 %39 = fadd float undef, %32 ; <float> [#uses=1] 103 store float %39, float* %scevgep46, align 4 104 store float undef, float* %scevgep44, align 4 105 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] 106 br i1 undef, label %bb6, label %bb 107 108bb6: ; preds = %bb 109 %.sum10 = add i32 %output_col, 1 ; <i32> [#uses=1] 110 %.sum8 = add i32 %output_col, 6 ; <i32> [#uses=1] 111 %.sum6 = add i32 %output_col, 2 ; <i32> [#uses=1] 112 %.sum = add i32 %output_col, 3 ; <i32> [#uses=1] 113 br label %bb8 114 115bb8: ; preds = %bb8, %bb6 116 %ctr.116 = phi i32 [ 0, %bb6 ], [ %88, %bb8 ] ; <i32> [#uses=3] 117 %scevgep = getelementptr i8** %output_buf, i32 %ctr.116 ; <i8**> [#uses=1] 118 %tmp = shl i32 %ctr.116, 3 ; <i32> [#uses=5] 119 %tmp2392 = or i32 %tmp, 4 ; <i32> [#uses=1] 120 %scevgep24 = getelementptr [64 x float]* %workspace, i32 0, i32 %tmp2392 ; <float*> [#uses=1] 121 %tmp2591 = or i32 %tmp, 2 ; <i32> [#uses=1] 122 %scevgep26 = getelementptr [64 x float]* %workspace, i32 0, i32 %tmp2591 ; <float*> [#uses=1] 123 %tmp2790 = or i32 %tmp, 6 ; <i32> [#uses=1] 124 %scevgep28 = getelementptr [64 x float]* %workspace, i32 0, i32 %tmp2790 ; <float*> [#uses=1] 125 %tmp3586 = or i32 %tmp, 7 ; <i32> [#uses=0] 126 %wsptr.215 = getelementptr [64 x float]* %workspace, i32 0, i32 %tmp ; <float*> [#uses=1] 127 %40 = load i8** %scevgep, align 4 ; <i8*> [#uses=4] 128 %41 = load float* %wsptr.215, align 4 ; <float> [#uses=1] 129 %42 = load float* %scevgep24, align 4 ; <float> [#uses=1] 130 %43 = fadd float %41, %42 ; <float> [#uses=1] 131 %44 = load float* %scevgep26, align 4 ; <float> [#uses=1] 132 %45 = load float* %scevgep28, align 4 ; <float> [#uses=1] 133 %46 = fadd float %44, %45 ; <float> [#uses=1] 134 %47 = fsub float %43, %46 ; <float> [#uses=2] 135 %48 = fsub float undef, 0.000000e+00 ; <float> [#uses=1] 136 %49 = fadd float 0.000000e+00, undef ; <float> [#uses=1] 137 %50 = fptosi float %49 to i32 ; <i32> [#uses=1] 138 %51 = add i32 %50, 4 ; <i32> [#uses=1] 139 %52 = lshr i32 %51, 3 ; <i32> [#uses=1] 140 %53 = and i32 %52, 1023 ; <i32> [#uses=1] 141 %.sum14 = add i32 %53, 128 ; <i32> [#uses=1] 142 %54 = getelementptr i8* %0, i32 %.sum14 ; <i8*> [#uses=1] 143 %55 = load i8* %54, align 1 ; <i8> [#uses=1] 144 store i8 %55, i8* null, align 1 145 %56 = getelementptr i8* %40, i32 %.sum10 ; <i8*> [#uses=1] 146 store i8 0, i8* %56, align 1 147 %57 = load i8* null, align 1 ; <i8> [#uses=1] 148 %58 = getelementptr i8* %40, i32 %.sum8 ; <i8*> [#uses=1] 149 store i8 %57, i8* %58, align 1 150 %59 = fadd float undef, %48 ; <float> [#uses=1] 151 %60 = fptosi float %59 to i32 ; <i32> [#uses=1] 152 %61 = add i32 %60, 4 ; <i32> [#uses=1] 153 %62 = lshr i32 %61, 3 ; <i32> [#uses=1] 154 %63 = and i32 %62, 1023 ; <i32> [#uses=1] 155 %.sum7 = add i32 %63, 128 ; <i32> [#uses=1] 156 %64 = getelementptr i8* %0, i32 %.sum7 ; <i8*> [#uses=1] 157 %65 = load i8* %64, align 1 ; <i8> [#uses=1] 158 %66 = getelementptr i8* %40, i32 %.sum6 ; <i8*> [#uses=1] 159 store i8 %65, i8* %66, align 1 160 %67 = fptosi float undef to i32 ; <i32> [#uses=1] 161 %68 = add i32 %67, 4 ; <i32> [#uses=1] 162 %69 = lshr i32 %68, 3 ; <i32> [#uses=1] 163 %70 = and i32 %69, 1023 ; <i32> [#uses=1] 164 %.sum5 = add i32 %70, 128 ; <i32> [#uses=1] 165 %71 = getelementptr i8* %0, i32 %.sum5 ; <i8*> [#uses=1] 166 %72 = load i8* %71, align 1 ; <i8> [#uses=1] 167 store i8 %72, i8* undef, align 1 168 %73 = fadd float %47, undef ; <float> [#uses=1] 169 %74 = fptosi float %73 to i32 ; <i32> [#uses=1] 170 %75 = add i32 %74, 4 ; <i32> [#uses=1] 171 %76 = lshr i32 %75, 3 ; <i32> [#uses=1] 172 %77 = and i32 %76, 1023 ; <i32> [#uses=1] 173 %.sum3 = add i32 %77, 128 ; <i32> [#uses=1] 174 %78 = getelementptr i8* %0, i32 %.sum3 ; <i8*> [#uses=1] 175 %79 = load i8* %78, align 1 ; <i8> [#uses=1] 176 store i8 %79, i8* undef, align 1 177 %80 = fsub float %47, undef ; <float> [#uses=1] 178 %81 = fptosi float %80 to i32 ; <i32> [#uses=1] 179 %82 = add i32 %81, 4 ; <i32> [#uses=1] 180 %83 = lshr i32 %82, 3 ; <i32> [#uses=1] 181 %84 = and i32 %83, 1023 ; <i32> [#uses=1] 182 %.sum1 = add i32 %84, 128 ; <i32> [#uses=1] 183 %85 = getelementptr i8* %0, i32 %.sum1 ; <i8*> [#uses=1] 184 %86 = load i8* %85, align 1 ; <i8> [#uses=1] 185 %87 = getelementptr i8* %40, i32 %.sum ; <i8*> [#uses=1] 186 store i8 %86, i8* %87, align 1 187 %88 = add i32 %ctr.116, 1 ; <i32> [#uses=2] 188 %exitcond = icmp eq i32 %88, 8 ; <i1> [#uses=1] 189 br i1 %exitcond, label %return, label %bb8 190 191return: ; preds = %bb8 192 ret void 193} 194