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      1 ; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump -debug-dump=info - | FileCheck %s
      2 ; RUN: llc -filetype=obj %s -regalloc=basic -o - | llvm-dwarfdump -debug-dump=info - | FileCheck %s
      3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
      4 target triple = "x86_64-apple-darwin10.0.0"
      5 ; Test that the type for the formal parameter "var" makes it into the debug info.
      6 ; rdar://8950491
      7 
      8 ;CHECK: DW_TAG_formal_parameter
      9 ;CHECK-NEXT: DW_AT_location
     10 ;CHECK-NEXT: DW_AT_name {{.*}} "var"
     11 ;CHECK-NEXT: DW_AT_decl_file
     12 ;CHECK-NEXT: DW_AT_decl_line
     13 ;CHECK-NEXT: DW_AT_type
     14 
     15 @dfm = external global i32, align 4
     16 
     17 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
     18 
     19 define i32 @foo(i32 %dev, i64 %cmd, i8* %data, i32 %data2) nounwind optsize ssp !dbg !0 {
     20 entry:
     21   call void @llvm.dbg.value(metadata i32 %dev, i64 0, metadata !12, metadata !DIExpression()), !dbg !13
     22   %tmp.i = load i32, i32* @dfm, align 4, !dbg !14
     23   %cmp.i = icmp eq i32 %tmp.i, 0, !dbg !14
     24   br i1 %cmp.i, label %if.else, label %if.end.i, !dbg !14
     25 
     26 if.end.i:                                         ; preds = %entry
     27   switch i64 %cmd, label %if.then [
     28     i64 2147772420, label %bb.i
     29     i64 536897538, label %bb116.i
     30   ], !dbg !22
     31 
     32 bb.i:                                             ; preds = %if.end.i
     33   unreachable
     34 
     35 bb116.i:                                          ; preds = %if.end.i
     36   unreachable
     37 
     38 if.then:                                          ; preds = %if.end.i
     39   ret i32 undef, !dbg !23
     40 
     41 if.else:                                          ; preds = %entry
     42   ret i32 0
     43 }
     44 
     45 declare hidden fastcc i32 @bar(i32, i32* nocapture) nounwind optsize ssp
     46 declare hidden fastcc i32 @bar2(i32) nounwind optsize ssp
     47 declare hidden fastcc i32 @bar3(i32) nounwind optsize ssp
     48 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
     49 
     50 !llvm.dbg.cu = !{!2}
     51 !llvm.module.flags = !{!29}
     52 
     53 !0 = distinct !DISubprogram(name: "foo", line: 19510, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, scopeLine: 19510, file: !26, scope: !1, type: !3)
     54 !1 = !DIFile(filename: "/tmp/f.c", directory: "/tmp")
     55 !2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 124753)", isOptimized: true, emissionKind: FullDebug, file: !27, enums: !28, retainedTypes: !28, imports:  null)
     56 !3 = !DISubroutineType(types: !4)
     57 !4 = !{!5}
     58 !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
     59 !6 = distinct !DISubprogram(name: "bar3", line: 14827, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, file: !26, scope: !1, type: !3)
     60 !7 = distinct !DISubprogram(name: "bar2", line: 15397, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, file: !26, scope: !1, type: !3)
     61 !8 = distinct !DISubprogram(name: "bar", line: 12382, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, file: !26, scope: !1, type: !9)
     62 !9 = !DISubroutineType(types: !10)
     63 !10 = !{!11}
     64 !11 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
     65 !12 = !DILocalVariable(name: "var", line: 19509, arg: 1, scope: !0, file: !1, type: !5)
     66 !13 = !DILocation(line: 19509, column: 20, scope: !0)
     67 !14 = !DILocation(line: 18091, column: 2, scope: !15, inlinedAt: !17)
     68 !15 = distinct !DILexicalBlock(line: 18086, column: 1, file: !26, scope: !16)
     69 !16 = distinct !DISubprogram(name: "foo_bar", line: 18086, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, file: !26, scope: !1, type: !3)
     70 !17 = !DILocation(line: 19514, column: 2, scope: !18)
     71 !18 = distinct !DILexicalBlock(line: 19510, column: 1, file: !26, scope: !0)
     72 !22 = !DILocation(line: 18094, column: 2, scope: !15, inlinedAt: !17)
     73 !23 = !DILocation(line: 19524, column: 1, scope: !18)
     74 !25 = !DIFile(filename: "f.i", directory: "/tmp")
     75 !26 = !DIFile(filename: "/tmp/f.c", directory: "/tmp")
     76 !27 = !DIFile(filename: "f.i", directory: "/tmp")
     77 !28 = !{}
     78 !29 = !{i32 1, !"Debug Info Version", i32 3}
     79