1 ; RUN: llc < %s -filetype=obj | llvm-dwarfdump -debug-dump=info - | FileCheck %s
2 ; RUN: llc < %s -filetype=obj -regalloc=basic | 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"
6 ; Check debug info for variable z_s
7 ; CHECK: DW_TAG_subprogram
8 ; CHECK: DW_TAG_subprogram
9 ; CHECK: DW_TAG_variable
10 ; CHECK: DW_TAG_variable
11 ; CHECK-NEXT: DW_AT_location
12 ; CHECK-NEXT: DW_AT_name {{.*}} "z_s"
13 ; CHECK-NEXT: DW_AT_decl_file
14 ; CHECK-NEXT: DW_AT_decl_line
15 ; CHECK-NEXT: DW_AT_type{{.*}}{[[TYPE:.*]]}
17 ; CHECK-NEXT: DW_AT_name {{.*}} "int"
20 @.str1 = private unnamed_addr constant [14 x i8] c"m=%u, z_s=%d\0A\00"
21 @str = internal constant [21 x i8] c"Failing test vector:\00"
23 define i64 @gcd(i64 %a, i64 %b) nounwind readnone optsize noinline ssp {
25 tail call void @llvm.dbg.value(metadata i64 %a, i64 0, metadata !10, metadata !DIExpression()), !dbg !18
26 tail call void @llvm.dbg.value(metadata i64 %b, i64 0, metadata !11, metadata !DIExpression()), !dbg !19
27 br label %while.body, !dbg !20
29 while.body: ; preds = %while.body, %entry
30 %b.addr.0 = phi i64 [ %b, %entry ], [ %rem, %while.body ]
31 %a.addr.0 = phi i64 [ %a, %entry ], [ %b.addr.0, %while.body ]
32 %rem = srem i64 %a.addr.0, %b.addr.0, !dbg !21
33 %cmp = icmp eq i64 %rem, 0, !dbg !23
34 br i1 %cmp, label %if.then, label %while.body, !dbg !23
36 if.then: ; preds = %while.body
37 tail call void @llvm.dbg.value(metadata i64 %rem, i64 0, metadata !12, metadata !DIExpression()), !dbg !21
38 ret i64 %b.addr.0, !dbg !23
41 define i32 @main() nounwind optsize ssp {
43 %call = tail call i32 @rand() nounwind optsize, !dbg !24
44 tail call void @llvm.dbg.value(metadata i32 %call, i64 0, metadata !14, metadata !DIExpression()), !dbg !24
45 %cmp = icmp ugt i32 %call, 21, !dbg !25
46 br i1 %cmp, label %cond.true, label %cond.end, !dbg !25
48 cond.true: ; preds = %entry
49 %call1 = tail call i32 @rand() nounwind optsize, !dbg !25
50 br label %cond.end, !dbg !25
52 cond.end: ; preds = %entry, %cond.true
53 %cond = phi i32 [ %call1, %cond.true ], [ %call, %entry ], !dbg !25
54 tail call void @llvm.dbg.value(metadata i32 %cond, i64 0, metadata !17, metadata !DIExpression()), !dbg !25
55 %conv = sext i32 %cond to i64, !dbg !26
56 %conv5 = zext i32 %call to i64, !dbg !26
57 %call6 = tail call i64 @gcd(i64 %conv, i64 %conv5) optsize, !dbg !26
58 %cmp7 = icmp eq i64 %call6, 0
59 br i1 %cmp7, label %return, label %if.then, !dbg !26
61 if.then: ; preds = %cond.end
62 %puts = tail call i32 @puts(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0))
63 %call12 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str1, i64 0, i64 0), i32 %call, i32 %cond) nounwind optsize, !dbg !26
66 return: ; preds = %cond.end
70 declare i32 @rand() optsize
72 declare i32 @printf(i8* nocapture, ...) nounwind optsize
74 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
76 declare i32 @puts(i8* nocapture) nounwind
79 !llvm.module.flags = !{!33}
81 !0 = !DISubprogram(name: "gcd", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, file: !31, scope: !1, type: !3, function: i64 (i64, i64)* @gcd, variables: !29)
82 !1 = !DIFile(filename: "rem_small.c", directory: "/private/tmp")
83 !2 = !DICompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 124117)", isOptimized: true, emissionKind: 1, file: !31, enums: !32, retainedTypes: !32, subprograms: !28, imports: null)
84 !3 = !DISubroutineType(types: !4)
86 !5 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
87 !6 = !DISubprogram(name: "main", line: 25, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, file: !31, scope: !1, type: !7, function: i32 ()* @main, variables: !30)
88 !7 = !DISubroutineType(types: !8)
90 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
91 !10 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 5, arg: 1, scope: !0, file: !1, type: !5)
92 !11 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 5, arg: 2, scope: !0, file: !1, type: !5)
93 !12 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "c", line: 6, scope: !13, file: !1, type: !5)
94 !13 = distinct !DILexicalBlock(line: 5, column: 52, file: !31, scope: !0)
95 !14 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "m", line: 26, scope: !15, file: !1, type: !16)
96 !15 = distinct !DILexicalBlock(line: 25, column: 12, file: !31, scope: !6)
97 !16 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
98 !17 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "z_s", line: 27, scope: !15, file: !1, type: !9)
99 !18 = !DILocation(line: 5, column: 41, scope: !0)
100 !19 = !DILocation(line: 5, column: 49, scope: !0)
101 !20 = !DILocation(line: 7, column: 5, scope: !13)
102 !21 = !DILocation(line: 8, column: 9, scope: !22)
103 !22 = distinct !DILexicalBlock(line: 7, column: 14, file: !31, scope: !13)
104 !23 = !DILocation(line: 9, column: 9, scope: !22)
105 !24 = !DILocation(line: 26, column: 38, scope: !15)
106 !25 = !DILocation(line: 27, column: 38, scope: !15)
107 !26 = !DILocation(line: 28, column: 9, scope: !15)
108 !27 = !DILocation(line: 30, column: 1, scope: !15)
110 !29 = !{!10, !11, !12}
112 !31 = !DIFile(filename: "rem_small.c", directory: "/private/tmp")
114 !33 = !{i32 1, !"Debug Info Version", i32 3}