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      1 ; RUN: llc < %s - | FileCheck %s
      2 ; Radar 9309221
      3 ; Test dwarf reg no for s16
      4 ;CHECK: super-register DW_OP_regx
      5 ;CHECK-NEXT: 264
      6 ;CHECK-NEXT: DW_OP_piece
      7 ;CHECK-NEXT: 4
      8 
      9 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
     10 target triple = "thumbv7-apple-macosx10.6.7"
     11 
     12 @.str = private unnamed_addr constant [11 x i8] c"%p %lf %c\0A\00"
     13 @.str1 = private unnamed_addr constant [6 x i8] c"point\00"
     14 
     15 define i32 @inlineprinter(i8* %ptr, float %val, i8 zeroext %c) nounwind optsize ssp !dbg !0 {
     16 entry:
     17   tail call void @llvm.dbg.value(metadata i8* %ptr, i64 0, metadata !8, metadata !DIExpression()), !dbg !24
     18   tail call void @llvm.dbg.value(metadata float %val, i64 0, metadata !10, metadata !DIExpression()), !dbg !25
     19   tail call void @llvm.dbg.value(metadata i8 %c, i64 0, metadata !12, metadata !DIExpression()), !dbg !26
     20   %conv = fpext float %val to double, !dbg !27
     21   %conv3 = zext i8 %c to i32, !dbg !27
     22   %call = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i8* %ptr, double %conv, i32 %conv3) nounwind optsize, !dbg !27
     23   ret i32 0, !dbg !29
     24 }
     25 
     26 declare i32 @printf(i8* nocapture, ...) nounwind optsize
     27 
     28 define i32 @printer(i8* %ptr, float %val, i8 zeroext %c) nounwind optsize noinline ssp !dbg !6 {
     29 entry:
     30   tail call void @llvm.dbg.value(metadata i8* %ptr, i64 0, metadata !14, metadata !DIExpression()), !dbg !30
     31   tail call void @llvm.dbg.value(metadata float %val, i64 0, metadata !15, metadata !DIExpression()), !dbg !31
     32   tail call void @llvm.dbg.value(metadata i8 %c, i64 0, metadata !16, metadata !DIExpression()), !dbg !32
     33   %conv = fpext float %val to double, !dbg !33
     34   %conv3 = zext i8 %c to i32, !dbg !33
     35   %call = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i8* %ptr, double %conv, i32 %conv3) nounwind optsize, !dbg !33
     36   ret i32 0, !dbg !35
     37 }
     38 
     39 define i32 @main(i32 %argc, i8** nocapture %argv) nounwind optsize ssp !dbg !7 {
     40 entry:
     41   tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !17, metadata !DIExpression()), !dbg !36
     42   tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !18, metadata !DIExpression()), !dbg !37
     43   %conv = sitofp i32 %argc to double, !dbg !38
     44   %add = fadd double %conv, 5.555552e+05, !dbg !38
     45   %conv1 = fptrunc double %add to float, !dbg !38
     46   tail call void @llvm.dbg.value(metadata float %conv1, i64 0, metadata !22, metadata !DIExpression()), !dbg !38
     47   %call = tail call i32 @puts(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str1, i32 0, i32 0)) nounwind optsize, !dbg !39
     48   %add.ptr = getelementptr i8, i8* bitcast (i32 (i32, i8**)* @main to i8*), i32 %argc, !dbg !40
     49   %add5 = add nsw i32 %argc, 97, !dbg !40
     50   %conv6 = trunc i32 %add5 to i8, !dbg !40
     51   tail call void @llvm.dbg.value(metadata i8* %add.ptr, i64 0, metadata !58, metadata !DIExpression()) nounwind, !dbg !41
     52   tail call void @llvm.dbg.value(metadata float %conv1, i64 0, metadata !60, metadata !DIExpression()) nounwind, !dbg !42
     53   tail call void @llvm.dbg.value(metadata i8 %conv6, i64 0, metadata !62, metadata !DIExpression()) nounwind, !dbg !43
     54   %conv.i = fpext float %conv1 to double, !dbg !44
     55   %conv3.i = and i32 %add5, 255, !dbg !44
     56   %call.i = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i8* %add.ptr, double %conv.i, i32 %conv3.i) nounwind optsize, !dbg !44
     57   %call14 = tail call i32 @printer(i8* %add.ptr, float %conv1, i8 zeroext %conv6) optsize, !dbg !45
     58   ret i32 0, !dbg !46
     59 }
     60 
     61 declare i32 @puts(i8* nocapture) nounwind optsize
     62 
     63 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
     64 
     65 !llvm.dbg.cu = !{!2}
     66 !llvm.module.flags = !{!53}
     67 
     68 !0 = distinct !DISubprogram(name: "inlineprinter", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, scopeLine: 5, file: !51, scope: !1, type: !3, variables: !48)
     69 !1 = !DIFile(filename: "a.c", directory: "/private/tmp")
     70 !2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk 129915)", isOptimized: true, emissionKind: FullDebug, file: !51, enums: !52, retainedTypes: !52, imports:  null)
     71 !3 = !DISubroutineType(types: !4)
     72 !4 = !{!5}
     73 !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
     74 !6 = distinct !DISubprogram(name: "printer", line: 12, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, scopeLine: 12, file: !51, scope: !1, type: !3, variables: !49)
     75 !7 = distinct !DISubprogram(name: "main", line: 18, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, scopeLine: 18, file: !51, scope: !1, type: !3, variables: !50)
     76 !8 = !DILocalVariable(name: "ptr", line: 4, arg: 1, scope: !0, file: !1, type: !9)
     77 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, scope: !2, baseType: null)
     78 !10 = !DILocalVariable(name: "val", line: 4, arg: 2, scope: !0, file: !1, type: !11)
     79 !11 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float)
     80 !12 = !DILocalVariable(name: "c", line: 4, arg: 3, scope: !0, file: !1, type: !13)
     81 !13 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
     82 
     83 !58 = !DILocalVariable(name: "ptr", line: 4, arg: 1, scope: !0, file: !1, type: !9)
     84 !60 = !DILocalVariable(name: "val", line: 4, arg: 2, scope: !0, file: !1, type: !11)
     85 !62 = !DILocalVariable(name: "c", line: 4, arg: 3, scope: !0, file: !1, type: !13)
     86 
     87 !14 = !DILocalVariable(name: "ptr", line: 11, arg: 1, scope: !6, file: !1, type: !9)
     88 !15 = !DILocalVariable(name: "val", line: 11, arg: 2, scope: !6, file: !1, type: !11)
     89 !16 = !DILocalVariable(name: "c", line: 11, arg: 3, scope: !6, file: !1, type: !13)
     90 !17 = !DILocalVariable(name: "argc", line: 17, arg: 1, scope: !7, file: !1, type: !5)
     91 !18 = !DILocalVariable(name: "argv", line: 17, arg: 2, scope: !7, file: !1, type: !19)
     92 !19 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, scope: !2, baseType: !20)
     93 !20 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, scope: !2, baseType: !21)
     94 !21 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
     95 !22 = !DILocalVariable(name: "dval", line: 19, scope: !23, file: !1, type: !11)
     96 !23 = distinct !DILexicalBlock(line: 18, column: 1, file: !51, scope: !7)
     97 !24 = !DILocation(line: 4, column: 22, scope: !0)
     98 !25 = !DILocation(line: 4, column: 33, scope: !0)
     99 !26 = !DILocation(line: 4, column: 52, scope: !0)
    100 !27 = !DILocation(line: 6, column: 3, scope: !28)
    101 !28 = distinct !DILexicalBlock(line: 5, column: 1, file: !51, scope: !0)
    102 !29 = !DILocation(line: 7, column: 3, scope: !28)
    103 !30 = !DILocation(line: 11, column: 42, scope: !6)
    104 !31 = !DILocation(line: 11, column: 53, scope: !6)
    105 !32 = !DILocation(line: 11, column: 72, scope: !6)
    106 !33 = !DILocation(line: 13, column: 3, scope: !34)
    107 !34 = distinct !DILexicalBlock(line: 12, column: 1, file: !51, scope: !6)
    108 !35 = !DILocation(line: 14, column: 3, scope: !34)
    109 !36 = !DILocation(line: 17, column: 15, scope: !7)
    110 !37 = !DILocation(line: 17, column: 28, scope: !7)
    111 !38 = !DILocation(line: 19, column: 31, scope: !23)
    112 !39 = !DILocation(line: 20, column: 3, scope: !23)
    113 !40 = !DILocation(line: 21, column: 3, scope: !23)
    114 !41 = !DILocation(line: 4, column: 22, scope: !0, inlinedAt: !40)
    115 !42 = !DILocation(line: 4, column: 33, scope: !0, inlinedAt: !40)
    116 !43 = !DILocation(line: 4, column: 52, scope: !0, inlinedAt: !40)
    117 !44 = !DILocation(line: 6, column: 3, scope: !28, inlinedAt: !40)
    118 !45 = !DILocation(line: 22, column: 3, scope: !23)
    119 !46 = !DILocation(line: 23, column: 1, scope: !23)
    120 !48 = !{!8, !10, !12}
    121 !49 = !{!14, !15, !16}
    122 !50 = !{!17, !18, !22}
    123 !51 = !DIFile(filename: "a.c", directory: "/private/tmp")
    124 !52 = !{}
    125 !53 = !{i32 1, !"Debug Info Version", i32 3}
    126