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: .short 1 # Loc expr size 6 ; CHECK-NEXT: DW_OP_reg 7 8 %0 = type { double } 9 10 define hidden %0 @__divsc3(float %a, float %b, float %c, float %d) nounwind readnone !dbg !1 { 11 entry: 12 tail call void @llvm.dbg.value(metadata float %a, i64 0, metadata !0, metadata !DIExpression()), !dbg !DILocation(scope: !1) 13 tail call void @llvm.dbg.value(metadata float %b, i64 0, metadata !11, metadata !DIExpression()), !dbg !DILocation(scope: !1) 14 tail call void @llvm.dbg.value(metadata float %c, i64 0, metadata !12, metadata !DIExpression()), !dbg !DILocation(scope: !1) 15 tail call void @llvm.dbg.value(metadata float %d, i64 0, metadata !13, metadata !DIExpression()), !dbg !DILocation(scope: !1) 16 %0 = tail call float @fabsf(float %c) nounwind readnone, !dbg !19 ; <float> [#uses=1] 17 %1 = tail call float @fabsf(float %d) nounwind readnone, !dbg !19 ; <float> [#uses=1] 18 %2 = fcmp olt float %0, %1, !dbg !19 ; <i1> [#uses=1] 19 br i1 %2, label %bb, label %bb1, !dbg !19 20 21 bb: ; preds = %entry 22 %3 = fdiv float %c, %d, !dbg !20 ; <float> [#uses=3] 23 tail call void @llvm.dbg.value(metadata float %3, i64 0, metadata !16, metadata !DIExpression()), !dbg !20 24 %4 = fmul float %3, %c, !dbg !21 ; <float> [#uses=1] 25 %5 = fadd float %4, %d, !dbg !21 ; <float> [#uses=2] 26 tail call void @llvm.dbg.value(metadata float %5, i64 0, metadata !14, metadata !DIExpression()), !dbg !21 27 %6 = fmul float %3, %a, !dbg !22 ; <float> [#uses=1] 28 %7 = fadd float %6, %b, !dbg !22 ; <float> [#uses=1] 29 %8 = fdiv float %7, %5, !dbg !22 ; <float> [#uses=1] 30 tail call void @llvm.dbg.value(metadata float %8, i64 0, metadata !17, metadata !DIExpression()), !dbg !22 31 %9 = fmul float %3, %b, !dbg !23 ; <float> [#uses=1] 32 %10 = fsub float %9, %a, !dbg !23 ; <float> [#uses=1] 33 %11 = fdiv float %10, %5, !dbg !23 ; <float> [#uses=1] 34 tail call void @llvm.dbg.value(metadata float %11, i64 0, metadata !18, metadata !DIExpression()), !dbg !23 35 br label %bb2, !dbg !23 36 37 bb1: ; preds = %entry 38 %12 = fdiv float %d, %c, !dbg !24 ; <float> [#uses=3] 39 tail call void @llvm.dbg.value(metadata float %12, i64 0, metadata !16, metadata !DIExpression()), !dbg !24 40 %13 = fmul float %12, %d, !dbg !25 ; <float> [#uses=1] 41 %14 = fadd float %13, %c, !dbg !25 ; <float> [#uses=2] 42 tail call void @llvm.dbg.value(metadata float %14, i64 0, metadata !14, metadata !DIExpression()), !dbg !25 43 %15 = fmul float %12, %b, !dbg !26 ; <float> [#uses=1] 44 %16 = fadd float %15, %a, !dbg !26 ; <float> [#uses=1] 45 %17 = fdiv float %16, %14, !dbg !26 ; <float> [#uses=1] 46 tail call void @llvm.dbg.value(metadata float %17, i64 0, metadata !17, metadata !DIExpression()), !dbg !26 47 %18 = fmul float %12, %a, !dbg !27 ; <float> [#uses=1] 48 %19 = fsub float %b, %18, !dbg !27 ; <float> [#uses=1] 49 %20 = fdiv float %19, %14, !dbg !27 ; <float> [#uses=1] 50 tail call void @llvm.dbg.value(metadata float %20, i64 0, metadata !18, metadata !DIExpression()), !dbg !27 51 br label %bb2, !dbg !27 52 53 bb2: ; preds = %bb1, %bb 54 %y.0 = phi float [ %11, %bb ], [ %20, %bb1 ] ; <float> [#uses=5] 55 %x.0 = phi float [ %8, %bb ], [ %17, %bb1 ] ; <float> [#uses=5] 56 %21 = fcmp uno float %x.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1] 57 %22 = fcmp uno float %y.0, 0.000000e+00, !dbg !28 ; <i1> [#uses=1] 58 %or.cond = and i1 %21, %22 ; <i1> [#uses=1] 59 br i1 %or.cond, label %bb4, label %bb46, !dbg !28 60 61 bb4: ; preds = %bb2 62 %23 = fcmp une float %c, 0.000000e+00, !dbg !29 ; <i1> [#uses=1] 63 %24 = fcmp une float %d, 0.000000e+00, !dbg !29 ; <i1> [#uses=1] 64 %or.cond93 = or i1 %23, %24 ; <i1> [#uses=1] 65 br i1 %or.cond93, label %bb9, label %bb6, !dbg !29 66 67 bb6: ; preds = %bb4 68 %25 = fcmp uno float %a, 0.000000e+00, !dbg !29 ; <i1> [#uses=1] 69 %26 = fcmp uno float %b, 0.000000e+00, !dbg !29 ; <i1> [#uses=1] 70 %or.cond94 = and i1 %25, %26 ; <i1> [#uses=1] 71 br i1 %or.cond94, label %bb9, label %bb8, !dbg !29 72 73 bb8: ; preds = %bb6 74 %27 = tail call float @copysignf(float 0x7FF0000000000000, float %c) nounwind readnone, !dbg !30 ; <float> [#uses=2] 75 %28 = fmul float %27, %a, !dbg !30 ; <float> [#uses=1] 76 tail call void @llvm.dbg.value(metadata float %28, i64 0, metadata !17, metadata !DIExpression()), !dbg !30 77 %29 = fmul float %27, %b, !dbg !31 ; <float> [#uses=1] 78 tail call void @llvm.dbg.value(metadata float %29, i64 0, metadata !18, metadata !DIExpression()), !dbg !31 79 br label %bb46, !dbg !31 80 81 bb9: ; preds = %bb6, %bb4 82 %30 = fcmp ord float %a, 0.000000e+00 ; <i1> [#uses=1] 83 %31 = fsub float %a, %a, !dbg !32 ; <float> [#uses=3] 84 %32 = fcmp uno float %31, 0.000000e+00 ; <i1> [#uses=1] 85 %33 = and i1 %30, %32, !dbg !32 ; <i1> [#uses=2] 86 br i1 %33, label %bb14, label %bb11, !dbg !32 87 88 bb11: ; preds = %bb9 89 %34 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1] 90 %35 = fsub float %b, %b, !dbg !32 ; <float> [#uses=1] 91 %36 = fcmp uno float %35, 0.000000e+00 ; <i1> [#uses=1] 92 %37 = and i1 %34, %36, !dbg !32 ; <i1> [#uses=1] 93 br i1 %37, label %bb14, label %bb27, !dbg !32 94 95 bb14: ; preds = %bb11, %bb9 96 %38 = fsub float %c, %c, !dbg !32 ; <float> [#uses=1] 97 %39 = fcmp ord float %38, 0.000000e+00 ; <i1> [#uses=1] 98 br i1 %39, label %bb15, label %bb27, !dbg !32 99 100 bb15: ; preds = %bb14 101 %40 = fsub float %d, %d, !dbg !32 ; <float> [#uses=1] 102 %41 = fcmp ord float %40, 0.000000e+00 ; <i1> [#uses=1] 103 br i1 %41, label %bb16, label %bb27, !dbg !32 104 105 bb16: ; preds = %bb15 106 %iftmp.0.0 = select i1 %33, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1] 107 %42 = tail call float @copysignf(float %iftmp.0.0, float %a) nounwind readnone, !dbg !33 ; <float> [#uses=2] 108 tail call void @llvm.dbg.value(metadata float %42, i64 0, metadata !0, metadata !DIExpression()), !dbg !33 109 %43 = fcmp ord float %b, 0.000000e+00 ; <i1> [#uses=1] 110 %44 = fsub float %b, %b, !dbg !34 ; <float> [#uses=1] 111 %45 = fcmp uno float %44, 0.000000e+00 ; <i1> [#uses=1] 112 %46 = and i1 %43, %45, !dbg !34 ; <i1> [#uses=1] 113 %iftmp.1.0 = select i1 %46, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1] 114 %47 = tail call float @copysignf(float %iftmp.1.0, float %b) nounwind readnone, !dbg !34 ; <float> [#uses=2] 115 tail call void @llvm.dbg.value(metadata float %47, i64 0, metadata !11, metadata !DIExpression()), !dbg !34 116 %48 = fmul float %42, %c, !dbg !35 ; <float> [#uses=1] 117 %49 = fmul float %47, %d, !dbg !35 ; <float> [#uses=1] 118 %50 = fadd float %48, %49, !dbg !35 ; <float> [#uses=1] 119 %51 = fmul float %50, 0x7FF0000000000000, !dbg !35 ; <float> [#uses=1] 120 tail call void @llvm.dbg.value(metadata float %51, i64 0, metadata !17, metadata !DIExpression()), !dbg !35 121 %52 = fmul float %47, %c, !dbg !36 ; <float> [#uses=1] 122 %53 = fmul float %42, %d, !dbg !36 ; <float> [#uses=1] 123 %54 = fsub float %52, %53, !dbg !36 ; <float> [#uses=1] 124 %55 = fmul float %54, 0x7FF0000000000000, !dbg !36 ; <float> [#uses=1] 125 tail call void @llvm.dbg.value(metadata float %55, i64 0, metadata !18, metadata !DIExpression()), !dbg !36 126 br label %bb46, !dbg !36 127 128 bb27: ; preds = %bb15, %bb14, %bb11 129 %56 = fcmp ord float %c, 0.000000e+00 ; <i1> [#uses=1] 130 %57 = fsub float %c, %c, !dbg !37 ; <float> [#uses=1] 131 %58 = fcmp uno float %57, 0.000000e+00 ; <i1> [#uses=1] 132 %59 = and i1 %56, %58, !dbg !37 ; <i1> [#uses=2] 133 br i1 %59, label %bb33, label %bb30, !dbg !37 134 135 bb30: ; preds = %bb27 136 %60 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1] 137 %61 = fsub float %d, %d, !dbg !37 ; <float> [#uses=1] 138 %62 = fcmp uno float %61, 0.000000e+00 ; <i1> [#uses=1] 139 %63 = and i1 %60, %62, !dbg !37 ; <i1> [#uses=1] 140 %64 = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1] 141 %or.cond95 = and i1 %63, %64 ; <i1> [#uses=1] 142 br i1 %or.cond95, label %bb34, label %bb46, !dbg !37 143 144 bb33: ; preds = %bb27 145 %.old = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1] 146 br i1 %.old, label %bb34, label %bb46, !dbg !37 147 148 bb34: ; preds = %bb33, %bb30 149 %65 = fsub float %b, %b, !dbg !37 ; <float> [#uses=1] 150 %66 = fcmp ord float %65, 0.000000e+00 ; <i1> [#uses=1] 151 br i1 %66, label %bb35, label %bb46, !dbg !37 152 153 bb35: ; preds = %bb34 154 %iftmp.2.0 = select i1 %59, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1] 155 %67 = tail call float @copysignf(float %iftmp.2.0, float %c) nounwind readnone, !dbg !38 ; <float> [#uses=2] 156 tail call void @llvm.dbg.value(metadata float %67, i64 0, metadata !12, metadata !DIExpression()), !dbg !38 157 %68 = fcmp ord float %d, 0.000000e+00 ; <i1> [#uses=1] 158 %69 = fsub float %d, %d, !dbg !39 ; <float> [#uses=1] 159 %70 = fcmp uno float %69, 0.000000e+00 ; <i1> [#uses=1] 160 %71 = and i1 %68, %70, !dbg !39 ; <i1> [#uses=1] 161 %iftmp.3.0 = select i1 %71, float 1.000000e+00, float 0.000000e+00 ; <float> [#uses=1] 162 %72 = tail call float @copysignf(float %iftmp.3.0, float %d) nounwind readnone, !dbg !39 ; <float> [#uses=2] 163 tail call void @llvm.dbg.value(metadata float %72, i64 0, metadata !13, metadata !DIExpression()), !dbg !39 164 %73 = fmul float %67, %a, !dbg !40 ; <float> [#uses=1] 165 %74 = fmul float %72, %b, !dbg !40 ; <float> [#uses=1] 166 %75 = fadd float %73, %74, !dbg !40 ; <float> [#uses=1] 167 %76 = fmul float %75, 0.000000e+00, !dbg !40 ; <float> [#uses=1] 168 tail call void @llvm.dbg.value(metadata float %76, i64 0, metadata !17, metadata !DIExpression()), !dbg !40 169 %77 = fmul float %67, %b, !dbg !41 ; <float> [#uses=1] 170 %78 = fmul float %72, %a, !dbg !41 ; <float> [#uses=1] 171 %79 = fsub float %77, %78, !dbg !41 ; <float> [#uses=1] 172 %80 = fmul float %79, 0.000000e+00, !dbg !41 ; <float> [#uses=1] 173 tail call void @llvm.dbg.value(metadata float %80, i64 0, metadata !18, metadata !DIExpression()), !dbg !41 174 br label %bb46, !dbg !41 175 176 bb46: ; preds = %bb35, %bb34, %bb33, %bb30, %bb16, %bb8, %bb2 177 %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] 178 %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] 179 %81 = fmul float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1] 180 %82 = fadd float %y.1, 0.000000e+00, !dbg !42 ; <float> [#uses=1] 181 %tmpr = fadd float %x.1, %81, !dbg !42 ; <float> [#uses=1] 182 %tmp89 = bitcast float %tmpr to i32 ; <i32> [#uses=1] 183 %tmp90 = zext i32 %tmp89 to i64 ; <i64> [#uses=1] 184 %tmp85 = bitcast float %82 to i32 ; <i32> [#uses=1] 185 %tmp86 = zext i32 %tmp85 to i64 ; <i64> [#uses=1] 186 %tmp87 = shl i64 %tmp86, 32 ; <i64> [#uses=1] 187 %ins = or i64 %tmp90, %tmp87 ; <i64> [#uses=1] 188 %tmp84 = bitcast i64 %ins to double ; <double> [#uses=1] 189 %mrv75 = insertvalue %0 undef, double %tmp84, 0, !dbg !42 ; <%0> [#uses=1] 190 ret %0 %mrv75, !dbg !42 191 } 192 193 declare float @fabsf(float) 194 195 declare float @copysignf(float, float) nounwind readnone 196 197 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone 198 199 !llvm.dbg.cu = !{!3} 200 !llvm.module.flags = !{!48} 201 202 !0 = !DILocalVariable(name: "a", line: 1921, arg: 1, scope: !1, file: !2, type: !9) 203 !1 = distinct !DISubprogram(name: "__divsc3", linkageName: "__divsc3", line: 1922, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !3, scopeLine: 1922, file: !45, scope: !2, type: !4, variables: !43) 204 !2 = !DIFile(filename: "libgcc2.c", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc") 205 !3 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: FullDebug, file: !45, enums: !47, retainedTypes: !47, imports: null) 206 !4 = !DISubroutineType(types: !5) 207 !5 = !{!6, !9, !9, !9, !9} 208 !6 = !DIDerivedType(tag: DW_TAG_typedef, name: "SCtype", line: 170, file: !46, scope: !7, baseType: !8) 209 !7 = !DIFile(filename: "libgcc2.h", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc") 210 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "complex float", size: 64, align: 32, encoding: DW_ATE_complex_float) 211 !9 = !DIDerivedType(tag: DW_TAG_typedef, name: "SFtype", line: 167, file: !46, scope: !7, baseType: !10) 212 !10 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float) 213 !11 = !DILocalVariable(name: "b", line: 1921, arg: 2, scope: !1, file: !2, type: !9) 214 !12 = !DILocalVariable(name: "c", line: 1921, arg: 3, scope: !1, file: !2, type: !9) 215 !13 = !DILocalVariable(name: "d", line: 1921, arg: 4, scope: !1, file: !2, type: !9) 216 !14 = !DILocalVariable(name: "denom", line: 1923, scope: !15, file: !2, type: !9) 217 !15 = distinct !DILexicalBlock(line: 1922, column: 0, file: !45, scope: !1) 218 !16 = !DILocalVariable(name: "ratio", line: 1923, scope: !15, file: !2, type: !9) 219 !17 = !DILocalVariable(name: "x", line: 1923, scope: !15, file: !2, type: !9) 220 !18 = !DILocalVariable(name: "y", line: 1923, scope: !15, file: !2, type: !9) 221 !19 = !DILocation(line: 1929, scope: !15) 222 !20 = !DILocation(line: 1931, scope: !15) 223 !21 = !DILocation(line: 1932, scope: !15) 224 !22 = !DILocation(line: 1933, scope: !15) 225 !23 = !DILocation(line: 1934, scope: !15) 226 !24 = !DILocation(line: 1938, scope: !15) 227 !25 = !DILocation(line: 1939, scope: !15) 228 !26 = !DILocation(line: 1940, scope: !15) 229 !27 = !DILocation(line: 1941, scope: !15) 230 !28 = !DILocation(line: 1946, scope: !15) 231 !29 = !DILocation(line: 1948, scope: !15) 232 !30 = !DILocation(line: 1950, scope: !15) 233 !31 = !DILocation(line: 1951, scope: !15) 234 !32 = !DILocation(line: 1953, scope: !15) 235 !33 = !DILocation(line: 1955, scope: !15) 236 !34 = !DILocation(line: 1956, scope: !15) 237 !35 = !DILocation(line: 1957, scope: !15) 238 !36 = !DILocation(line: 1958, scope: !15) 239 !37 = !DILocation(line: 1960, scope: !15) 240 !38 = !DILocation(line: 1962, scope: !15) 241 !39 = !DILocation(line: 1963, scope: !15) 242 !40 = !DILocation(line: 1964, scope: !15) 243 !41 = !DILocation(line: 1965, scope: !15) 244 !42 = !DILocation(line: 1969, scope: !15) 245 !43 = !{!0, !11, !12, !13, !14, !16, !17, !18} 246 !45 = !DIFile(filename: "libgcc2.c", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc") 247 !46 = !DIFile(filename: "libgcc2.h", directory: "/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc") 248 !47 = !{} 249 !48 = !{i32 1, !"Debug Info Version", i32 3} 250
