1; RUN: llc -mtriple=x86_64-pc-linux -O2 < %s | FileCheck %s 2; RUN: llc -mtriple=x86_64-pc-linux -O2 -regalloc=basic < %s | FileCheck %s 3; Test to check .debug_loc support. This test case emits many debug_loc entries. 4 5; CHECK: Loc expr size 6; CHECK-NEXT: .short 7; CHECK-NEXT: .Ltmp 8; CHECK-NEXT: DW_OP_reg 9 10%0 = type { double } 11 12define hidden %0 @__divsc3(float %a, float %b, float %c, float %d) nounwind readnone { 13entry: 14 tail call void @llvm.dbg.value(metadata !{float %a}, i64 0, metadata !0) 15 tail call void @llvm.dbg.value(metadata !{float %b}, i64 0, metadata !11) 16 tail call void @llvm.dbg.value(metadata !{float %c}, i64 0, metadata !12) 17 tail call void @llvm.dbg.value(metadata !{float %d}, i64 0, metadata !13) 18 %0 = tail call float @fabsf(float %c) nounwind readnone, !dbg !19 ; <float> [#uses=1] 19 %1 = tail call float @fabsf(float %d) nounwind readnone, !dbg !19 ; <float> [#uses=1] 20 %2 = fcmp olt float %0, %1, !dbg !19 ; <i1> [#uses=1] 21 br i1 %2, label %bb, label %bb1, !dbg !19 22 23bb: ; preds = %entry 24 %3 = fdiv float %c, %d, !dbg !20 ; <float> [#uses=3] 25 tail call void @llvm.dbg.value(metadata !{float %3}, i64 0, metadata !16), !dbg !20 26 %4 = fmul float %3, %c, !dbg !21 ; <float> [#uses=1] 27 %5 = fadd float %4, %d, !dbg !21 ; <float> [#uses=2] 28 tail call void @llvm.dbg.value(metadata !{float %5}, i64 0, metadata !14), !dbg !21 29 %6 = fmul float %3, %a, !dbg !22 ; <float> [#uses=1] 30 %7 = fadd float %6, %b, !dbg !22 ; <float> [#uses=1] 31 %8 = fdiv float %7, %5, !dbg !22 ; <float> [#uses=1] 32 tail call void @llvm.dbg.value(metadata !{float %8}, i64 0, metadata !17), !dbg !22 33 %9 = fmul float %3, %b, !dbg !23 ; <float> [#uses=1] 34 %10 = fsub float %9, %a, !dbg !23 ; <float> [#uses=1] 35 %11 = fdiv float %10, %5, !dbg !23 ; <float> [#uses=1] 36 tail call void @llvm.dbg.value(metadata !{float %11}, i64 0, metadata !18), !dbg !23 37 br label %bb2, !dbg !23 38 39bb1: ; preds = %entry 40 %12 = fdiv float %d, %c, !dbg !24 ; <float> [#uses=3] 41 tail call void @llvm.dbg.value(metadata !{float %12}, i64 0, metadata !16), !dbg !24 42 %13 = fmul float %12, %d, !dbg !25 ; <float> [#uses=1] 43 %14 = fadd float %13, %c, !dbg !25 ; <float> [#uses=2] 44 tail call void @llvm.dbg.value(metadata !{float %14}, i64 0, metadata !14), !dbg !25 45 %15 = fmul float %12, %b, !dbg !26 ; <float> [#uses=1] 46 %16 = fadd float %15, %a, !dbg !26 ; <float> [#uses=1] 47 %17 = fdiv float %16, %14, !dbg !26 ; <float> [#uses=1] 48 tail call void @llvm.dbg.value(metadata !{float %17}, i64 0, metadata !17), !dbg !26 49 %18 = fmul float %12, %a, !dbg !27 ; <float> [#uses=1] 50 %19 = fsub float %b, %18, !dbg !27 ; <float> [#uses=1] 51 %20 = fdiv float %19, %14, !dbg !27 ; <float> [#uses=1] 52 tail call void @llvm.dbg.value(metadata !{float %20}, i64 0, metadata !18), !dbg !27 53 br label %bb2, !dbg !27 54 55bb2: ; preds = %bb1, %bb 56 %y.0 = phi float [ %11, %bb ], [ %20, %bb1 ] ; <float> [#uses=5] 57 %x.0 = phi float [ %8, %bb ], [ %17, %bb1 ] ; <float> [#uses=5] 58 %21 = fcmp uno float %x.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1] 59 %22 = fcmp uno float %y.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1] 60 %or.cond = and i1 %21, %22 ; <i1> [#uses=1] 61 br i1 %or.cond, label %bb4, label %bb46, !dbg !28 62 63bb4: ; preds = %bb2 64 %23 = fcmp une float %c, 0.000000e+00, !dbg !29 ; <i1> [#uses=1] 65 %24 = fcmp une float %d, 0.000000e+00, !dbg !29 ; <i1> [#uses=1] 66 %or.cond93 = or i1 %23, %24 ; <i1> [#uses=1] 67 br i1 %or.cond93, label %bb9, label %bb6, !dbg !29 68 69bb6: ; preds = %bb4 70 %25 = fcmp uno float %a, 0.000000e+00, !dbg !29 ; <i1> [#uses=1] 71 %26 = fcmp uno float %b, 0.000000e+00, !dbg !29 ; <i1> [#uses=1] 72 %or.cond94 = and i1 %25, %26 ; <i1> [#uses=1] 73 br i1 %or.cond94, label %bb9, label %bb8, !dbg !29 74 75bb8: ; preds = %bb6 76 %27 = tail call float @copysignf(float 0x7FF0000000000000, float %c) nounwind readnone, !dbg !30 ; <float> [#uses=2] 77 %28 = fmul float %27, %a, !dbg !30 ; <float> [#uses=1] 78 tail call void @llvm.dbg.value(metadata !{float %28}, i64 0, metadata !17), !dbg !30 79 %29 = fmul float %27, %b, !dbg !31 ; <float> [#uses=1] 80 tail call void @llvm.dbg.value(metadata !{float %29}, i64 0, metadata !18), !dbg !31 81 br label %bb46, !dbg !31 82 83bb9: ; preds = %bb6, %bb4 84 %30 = fcmp ord float %a, 0.000000e+00 ; <i1> [#uses=1] 85 %31 = fsub float %a, %a, !dbg !32 ; <float> [#uses=3] 86 %32 = fcmp uno float %31, 0.000000e+00 ; <i1> [#uses=1] 87 %33 = and i1 %30, %32, !dbg !32 ; <i1> [#uses=2] 88 br i1 %33, label %bb14, label %bb11, !dbg !32 89 90bb11: ; preds = %bb9 91 %34 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1] 92 %35 = fsub float %b, %b, !dbg !32 ; <float> [#uses=1] 93 %36 = fcmp uno float %35, 0.000000e+00 ; <i1> [#uses=1] 94 %37 = and i1 %34, %36, !dbg !32 ; <i1> [#uses=1] 95 br i1 %37, label %bb14, label %bb27, !dbg !32 96 97bb14: ; preds = %bb11, %bb9 98 %38 = fsub float %c, %c, !dbg !32 ; <float> [#uses=1] 99 %39 = fcmp ord float %38, 0.000000e+00 ; <i1> [#uses=1] 100 br i1 %39, label %bb15, label %bb27, !dbg !32 101 102bb15: ; preds = %bb14 103 %40 = fsub float %d, %d, !dbg !32 ; <float> [#uses=1] 104 %41 = fcmp ord float %40, 0.000000e+00 ; <i1> [#uses=1] 105 br i1 %41, label %bb16, label %bb27, !dbg !32 106 107bb16: ; preds = %bb15 108 %iftmp.0.0 = select i1 %33, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1] 109 %42 = tail call float @copysignf(float %iftmp.0.0, float %a) nounwind readnone, !dbg !33 ; <float> [#uses=2] 110 tail call void @llvm.dbg.value(metadata !{float %42}, i64 0, metadata !0), !dbg !33 111 %43 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1] 112 %44 = fsub float %b, %b, !dbg !34 ; <float> [#uses=1] 113 %45 = fcmp uno float %44, 0.000000e+00 ; <i1> [#uses=1] 114 %46 = and i1 %43, %45, !dbg !34 ; <i1> [#uses=1] 115 %iftmp.1.0 = select i1 %46, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1] 116 %47 = tail call float @copysignf(float %iftmp.1.0, float %b) nounwind readnone, !dbg !34 ; <float> [#uses=2] 117 tail call void @llvm.dbg.value(metadata !{float %47}, i64 0, metadata !11), !dbg !34 118 %48 = fmul float %42, %c, !dbg !35 ; <float> [#uses=1] 119 %49 = fmul float %47, %d, !dbg !35 ; <float> [#uses=1] 120 %50 = fadd float %48, %49, !dbg !35 ; <float> [#uses=1] 121 %51 = fmul float %50, 0x7FF0000000000000, !dbg !35 ; <float> [#uses=1] 122 tail call void @llvm.dbg.value(metadata !{float %51}, i64 0, metadata !17), !dbg !35 123 %52 = fmul float %47, %c, !dbg !36 ; <float> [#uses=1] 124 %53 = fmul float %42, %d, !dbg !36 ; <float> [#uses=1] 125 %54 = fsub float %52, %53, !dbg !36 ; <float> [#uses=1] 126 %55 = fmul float %54, 0x7FF0000000000000, !dbg !36 ; <float> [#uses=1] 127 tail call void @llvm.dbg.value(metadata !{float %55}, i64 0, metadata !18), !dbg !36 128 br label %bb46, !dbg !36 129 130bb27: ; preds = %bb15, %bb14, %bb11 131 %56 = fcmp ord float %c, 0.000000e+00 ; <i1> [#uses=1] 132 %57 = fsub float %c, %c, !dbg !37 ; <float> [#uses=1] 133 %58 = fcmp uno float %57, 0.000000e+00 ; <i1> [#uses=1] 134 %59 = and i1 %56, %58, !dbg !37 ; <i1> [#uses=2] 135 br i1 %59, label %bb33, label %bb30, !dbg !37 136 137bb30: ; preds = %bb27 138 %60 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1] 139 %61 = fsub float %d, %d, !dbg !37 ; <float> [#uses=1] 140 %62 = fcmp uno float %61, 0.000000e+00 ; <i1> [#uses=1] 141 %63 = and i1 %60, %62, !dbg !37 ; <i1> [#uses=1] 142 %64 = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1] 143 %or.cond95 = and i1 %63, %64 ; <i1> [#uses=1] 144 br i1 %or.cond95, label %bb34, label %bb46, !dbg !37 145 146bb33: ; preds = %bb27 147 %.old = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1] 148 br i1 %.old, label %bb34, label %bb46, !dbg !37 149 150bb34: ; preds = %bb33, %bb30 151 %65 = fsub float %b, %b, !dbg !37 ; <float> [#uses=1] 152 %66 = fcmp ord float %65, 0.000000e+00 ; <i1> [#uses=1] 153 br i1 %66, label %bb35, label %bb46, !dbg !37 154 155bb35: ; preds = %bb34 156 %iftmp.2.0 = select i1 %59, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1] 157 %67 = tail call float @copysignf(float %iftmp.2.0, float %c) nounwind readnone, !dbg !38 ; <float> [#uses=2] 158 tail call void @llvm.dbg.value(metadata !{float %67}, i64 0, metadata !12), !dbg !38 159 %68 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1] 160 %69 = fsub float %d, %d, !dbg !39 ; <float> [#uses=1] 161 %70 = fcmp uno float %69, 0.000000e+00 ; <i1> [#uses=1] 162 %71 = and i1 %68, %70, !dbg !39 ; <i1> [#uses=1] 163 %iftmp.3.0 = select i1 %71, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1] 164 %72 = tail call float @copysignf(float %iftmp.3.0, float %d) nounwind readnone, !dbg !39 ; <float> [#uses=2] 165 tail call void @llvm.dbg.value(metadata !{float %72}, i64 0, metadata !13), !dbg !39 166 %73 = fmul float %67, %a, !dbg !40 ; <float> [#uses=1] 167 %74 = fmul float %72, %b, !dbg !40 ; <float> [#uses=1] 168 %75 = fadd float %73, %74, !dbg !40 ; <float> [#uses=1] 169 %76 = fmul float %75, 0.000000e+00, !dbg !40 ; <float> [#uses=1] 170 tail call void @llvm.dbg.value(metadata !{float %76}, i64 0, metadata !17), !dbg !40 171 %77 = fmul float %67, %b, !dbg !41 ; <float> [#uses=1] 172 %78 = fmul float %72, %a, !dbg !41 ; <float> [#uses=1] 173 %79 = fsub float %77, %78, !dbg !41 ; <float> [#uses=1] 174 %80 = fmul float %79, 0.000000e+00, !dbg !41 ; <float> [#uses=1] 175 tail call void @llvm.dbg.value(metadata !{float %80}, i64 0, metadata !18), !dbg !41 176 br label %bb46, !dbg !41 177 178bb46: ; preds = %bb35, %bb34, %bb33, %bb30, %bb16, %bb8, %bb2 179 %y.1 = phi float [ %80, %bb35 ], [ %y.0, %bb34 ], [ %y.0, %bb33 ], [ %y.0, %bb30 ], [ %55, %bb16 ], [ %29, %bb8 ], [ %y.0, %bb2 ] ; <float> [#uses=2] 180 %x.1 = phi float [ %76, %bb35 ], [ %x.0, %bb34 ], [ %x.0, %bb33 ], [ %x.0, %bb30 ], [ %51, %bb16 ], [ %28, %bb8 ], [ %x.0, %bb2 ] ; <float> [#uses=1] 181 %81 = fmul float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1] 182 %82 = fadd float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1] 183 %tmpr = fadd float %x.1, %81, !dbg !42 ; <float> [#uses=1] 184 %tmp89 = bitcast float %tmpr to i32 ; <i32> [#uses=1] 185 %tmp90 = zext i32 %tmp89 to i64 ; <i64> [#uses=1] 186 %tmp85 = bitcast float %82 to i32 ; <i32> [#uses=1] 187 %tmp86 = zext i32 %tmp85 to i64 ; <i64> [#uses=1] 188 %tmp87 = shl i64 %tmp86, 32 ; <i64> [#uses=1] 189 %ins = or i64 %tmp90, %tmp87 ; <i64> [#uses=1] 190 %tmp84 = bitcast i64 %ins to double ; <double> [#uses=1] 191 %mrv75 = insertvalue %0 undef, double %tmp84, 0, !dbg !42 ; <%0> [#uses=1] 192 ret %0 %mrv75, !dbg !42 193} 194 195declare float @fabsf(float) 196 197declare float @copysignf(float, float) nounwind readnone 198 199declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone 200 201!llvm.dbg.lv = !{!0, !11, !12, !13, !14, !16, !17, !18} 202 203!0 = metadata !{i32 524545, metadata !1, metadata !"a", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ] 204!1 = metadata !{i32 524334, i32 0, metadata !2, metadata !"__divsc3", metadata !"__divsc3", metadata !"__divsc3", metadata !2, i32 1922, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true} ; [ DW_TAG_subprogram ] 205!2 = metadata !{i32 524329, metadata !"libgcc2.c", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc", metadata !3} ; [ DW_TAG_file_type ] 206!3 = metadata !{i32 524305, i32 0, i32 1, metadata !"libgcc2.c", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ] 207!4 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ] 208!5 = metadata !{metadata !6, metadata !9, metadata !9, metadata !9, metadata !9} 209!6 = metadata !{i32 524310, metadata !7, metadata !"SCtype", metadata !7, i32 170, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_typedef ] 210!7 = metadata !{i32 524329, metadata !"libgcc2.h", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc", metadata !3} ; [ DW_TAG_file_type ] 211!8 = metadata !{i32 524324, metadata !2, metadata !"complex float", metadata !2, i32 0, i64 64, i64 32, i64 0, i32 0, i32 3} ; [ DW_TAG_base_type ] 212!9 = metadata !{i32 524310, metadata !7, metadata !"SFtype", metadata !7, i32 167, i64 0, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_typedef ] 213!10 = metadata !{i32 524324, metadata !2, metadata !"float", metadata !2, i32 0, i64 32, i64 32, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ] 214!11 = metadata !{i32 524545, metadata !1, metadata !"b", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ] 215!12 = metadata !{i32 524545, metadata !1, metadata !"c", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ] 216!13 = metadata !{i32 524545, metadata !1, metadata !"d", metadata !2, i32 1921, metadata !9} ; [ DW_TAG_arg_variable ] 217!14 = metadata !{i32 524544, metadata !15, metadata !"denom", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ] 218!15 = metadata !{i32 524299, metadata !1, i32 1922, i32 0} ; [ DW_TAG_lexical_block ] 219!16 = metadata !{i32 524544, metadata !15, metadata !"ratio", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ] 220!17 = metadata !{i32 524544, metadata !15, metadata !"x", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ] 221!18 = metadata !{i32 524544, metadata !15, metadata !"y", metadata !2, i32 1923, metadata !9} ; [ DW_TAG_auto_variable ] 222!19 = metadata !{i32 1929, i32 0, metadata !15, null} 223!20 = metadata !{i32 1931, i32 0, metadata !15, null} 224!21 = metadata !{i32 1932, i32 0, metadata !15, null} 225!22 = metadata !{i32 1933, i32 0, metadata !15, null} 226!23 = metadata !{i32 1934, i32 0, metadata !15, null} 227!24 = metadata !{i32 1938, i32 0, metadata !15, null} 228!25 = metadata !{i32 1939, i32 0, metadata !15, null} 229!26 = metadata !{i32 1940, i32 0, metadata !15, null} 230!27 = metadata !{i32 1941, i32 0, metadata !15, null} 231!28 = metadata !{i32 1946, i32 0, metadata !15, null} 232!29 = metadata !{i32 1948, i32 0, metadata !15, null} 233!30 = metadata !{i32 1950, i32 0, metadata !15, null} 234!31 = metadata !{i32 1951, i32 0, metadata !15, null} 235!32 = metadata !{i32 1953, i32 0, metadata !15, null} 236!33 = metadata !{i32 1955, i32 0, metadata !15, null} 237!34 = metadata !{i32 1956, i32 0, metadata !15, null} 238!35 = metadata !{i32 1957, i32 0, metadata !15, null} 239!36 = metadata !{i32 1958, i32 0, metadata !15, null} 240!37 = metadata !{i32 1960, i32 0, metadata !15, null} 241!38 = metadata !{i32 1962, i32 0, metadata !15, null} 242!39 = metadata !{i32 1963, i32 0, metadata !15, null} 243!40 = metadata !{i32 1964, i32 0, metadata !15, null} 244!41 = metadata !{i32 1965, i32 0, metadata !15, null} 245!42 = metadata !{i32 1969, i32 0, metadata !15, null} 246