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
3target 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"
4target 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
17declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
18
19define i32 @foo(i32 %dev, i64 %cmd, i8* %data, i32 %data2) nounwind optsize ssp {
20entry:
21  call void @llvm.dbg.value(metadata i32 %dev, i64 0, metadata !12, metadata !{!"0x102"}), !dbg !13
22  %tmp.i = load 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
26if.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
32bb.i:                                             ; preds = %if.end.i
33  unreachable
34
35bb116.i:                                          ; preds = %if.end.i
36  unreachable
37
38if.then:                                          ; preds = %if.end.i
39  ret i32 undef, !dbg !23
40
41if.else:                                          ; preds = %entry
42  ret i32 0
43}
44
45declare hidden fastcc i32 @bar(i32, i32* nocapture) nounwind optsize ssp
46declare hidden fastcc i32 @bar2(i32) nounwind optsize ssp
47declare hidden fastcc i32 @bar3(i32) nounwind optsize ssp
48declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
49
50!llvm.dbg.cu = !{!2}
51!llvm.module.flags = !{!29}
52
53!0 = !{!"0x2e\00foo\00foo\00\0019510\000\001\000\006\00256\001\0019510", !26, !1, !3, null, i32 (i32, i64, i8*, i32)* @foo, null, null, null} ; [ DW_TAG_subprogram ] [line 19510] [def] [foo]
54!1 = !{!"0x29", !26} ; [ DW_TAG_file_type ]
55!2 = !{!"0x11\0012\00clang version 2.9 (trunk 124753)\001\00\000\00\000", !27, !28, !28, !24, null,  null} ; [ DW_TAG_compile_unit ]
56!3 = !{!"0x15\00\000\000\000\000\000\000", !26, !1, null, !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
57!4 = !{!5}
58!5 = !{!"0x24\00int\000\0032\0032\000\000\005", null, !2} ; [ DW_TAG_base_type ]
59!6 = !{!"0x2e\00bar3\00bar3\00\0014827\001\001\000\006\00256\001\000", !26, !1, !3, null, i32 (i32)* @bar3, null, null, null} ; [ DW_TAG_subprogram ] [line 14827] [local] [def] [scope 0] [bar3]
60!7 = !{!"0x2e\00bar2\00bar2\00\0015397\001\001\000\006\00256\001\000", !26, !1, !3, null, i32 (i32)* @bar2, null, null, null} ; [ DW_TAG_subprogram ] [line 15397] [local] [def] [scope 0] [bar2]
61!8 = !{!"0x2e\00bar\00bar\00\0012382\001\001\000\006\00256\001\000", !26, !1, !9, null, i32 (i32, i32*)* @bar, null, null, null} ; [ DW_TAG_subprogram ] [line 12382] [local] [def] [scope 0] [bar]
62!9 = !{!"0x15\00\000\000\000\000\000\000", !26, !1, null, !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
63!10 = !{!11}
64!11 = !{!"0x24\00unsigned char\000\008\008\000\000\008", null, !2} ; [ DW_TAG_base_type ]
65!12 = !{!"0x101\00var\0019509\000", !0, !1, !5} ; [ DW_TAG_arg_variable ]
66!13 = !MDLocation(line: 19509, column: 20, scope: !0)
67!14 = !MDLocation(line: 18091, column: 2, scope: !15, inlinedAt: !17)
68!15 = !{!"0xb\0018086\001\00748", !26, !16} ; [ DW_TAG_lexical_block ]
69!16 = !{!"0x2e\00foo_bar\00foo_bar\00\0018086\001\001\000\006\00256\001\000", !26, !1, !3, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 18086] [local] [def] [scope 0] [foo_bar]
70!17 = !MDLocation(line: 19514, column: 2, scope: !18)
71!18 = !{!"0xb\0019510\001\0099", !26, !0} ; [ DW_TAG_lexical_block ]
72!22 = !MDLocation(line: 18094, column: 2, scope: !15, inlinedAt: !17)
73!23 = !MDLocation(line: 19524, column: 1, scope: !18)
74!24 = !{!0, !6, !7, !8, !16}
75!25 = !{!"0x29", !27} ; [ DW_TAG_file_type ]
76!26 = !{!"/tmp/f.c", !"/tmp"}
77!27 = !{!"f.i", !"/tmp"}
78!28 = !{i32 0}
79!29 = !{i32 1, !"Debug Info Version", i32 2}
80