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1; RUN: llc -mtriple=x86_64-pc-linux -O2 < %s | FileCheck %s2; RUN: llc -mtriple=x86_64-pc-linux -O2 -regalloc=basic < %s | FileCheck %s3; Test to check .debug_loc support. This test case emits many debug_loc entries.4 5; CHECK: .short 1 # Loc expr size6; CHECK-NEXT: DW_OP_reg7 8%0 = type { double }9 10define hidden %0 @__divsc3(float %a, float %b, float %c, float %d) nounwind readnone !dbg !1 {11entry: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 !1920 21bb: ; preds = %entry22 %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 !2024 %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 !2127 %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 !2231 %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 !2335 br label %bb2, !dbg !2336 37bb1: ; preds = %entry38 %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 !2440 %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 !2543 %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 !2647 %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 !2751 br label %bb2, !dbg !2752 53bb2: ; preds = %bb1, %bb54 %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 !2860 61bb4: ; preds = %bb262 %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 !2966 67bb6: ; preds = %bb468 %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 !2972 73bb8: ; preds = %bb674 %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 !3077 %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 !3179 br label %bb46, !dbg !3180 81bb9: ; preds = %bb6, %bb482 %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 !3287 88bb11: ; preds = %bb989 %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 !3294 95bb14: ; preds = %bb11, %bb996 %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 !3299 100bb15: ; preds = %bb14101 %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 !32104 105bb16: ; preds = %bb15106 %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 !33109 %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 !34116 %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 !35121 %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 !36126 br label %bb46, !dbg !36127 128bb27: ; preds = %bb15, %bb14, %bb11129 %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 !37134 135bb30: ; preds = %bb27136 %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 !37143 144bb33: ; preds = %bb27145 %.old = fcmp ord float %31, 0.000000e+00 ; <i1> [#uses=1]146 br i1 %.old, label %bb34, label %bb46, !dbg !37147 148bb34: ; preds = %bb33, %bb30149 %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 !37152 153bb35: ; preds = %bb34154 %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 !38157 %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 !39164 %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 !40169 %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 !41174 br label %bb46, !dbg !41175 176bb46: ; preds = %bb35, %bb34, %bb33, %bb30, %bb16, %bb8, %bb2177 %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 !42191}192 193declare float @fabsf(float)194 195declare float @copysignf(float, float) nounwind readnone196 197declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone198 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, retainedNodes: !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