1; RUN: llc -O0 %s -o - -filetype=obj \
2; RUN:   | llvm-dwarfdump -statistics - | FileCheck %s
3
4; Test that statistics distinguish functions with the same name.
5
6; CHECK:      "#functions": 4,
7; CHECK:      "#unique source variables": 2,
8; CHECK-NEXT: "#source variables": 2,
9
10; $ cat test1.cpp
11; static int foo(int a) {
12;   return a;
13; }
14; int boo() { return foo(42); }
15;
16; $ cat test2.cpp
17; static int foo(int a) {
18;   return a;
19; }
20; int bar() { return foo(42); }
21
22source_filename = "llvm-link"
23target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
24target triple = "x86_64-unknown-linux-gnu"
25
26; Function Attrs: noinline optnone uwtable
27define dso_local i32 @_Z3boov() !dbg !9 {
28entry:
29  %call = call i32 @_ZL3fooi(i32 42), !dbg !13
30  ret i32 %call
31}
32; Function Attrs: noinline nounwind optnone uwtable
33define internal i32 @_ZL3fooi(i32 %a) !dbg !15 {
34entry:
35  %a.addr = alloca i32, align 4
36  store i32 %a, i32* %a.addr, align 4
37  call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !18, metadata !DIExpression()), !dbg !19
38  %0 = load i32, i32* %a.addr, align 4, !dbg !20
39  ret i32 %0
40}
41; Function Attrs: nounwind readnone speculatable willreturn
42declare void @llvm.dbg.declare(metadata, metadata, metadata)
43; Function Attrs: noinline optnone uwtable
44define dso_local i32 @_Z3barv() !dbg !22 {
45entry:
46  %call = call i32 @_ZL3fooi.1(i32 442), !dbg !23
47  ret i32 %call
48}
49; Function Attrs: noinline nounwind optnone uwtable
50define internal i32 @_ZL3fooi.1(i32 %a) !dbg !25 {
51entry:
52  %a.addr = alloca i32, align 4
53  store i32 %a, i32* %a.addr, align 4
54  call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !26, metadata !DIExpression()), !dbg !27
55  %0 = load i32, i32* %a.addr, align 4, !dbg !28
56  %mul = mul nsw i32 %0, 2
57  ret i32 %mul
58}
59
60!llvm.dbg.cu = !{!0, !3}
61!llvm.ident = !{!5, !5}
62!llvm.module.flags = !{!6, !7, !8}
63
64!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 10.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
65!1 = !DIFile(filename: "test1.cpp", directory: "/")
66!2 = !{}
67!3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !4, producer: "clang version 10.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
68!4 = !DIFile(filename: "test2.cpp", directory: "/")
69!5 = !{!"clang version 10.0.0"}
70!6 = !{i32 7, !"Dwarf Version", i32 4}
71!7 = !{i32 2, !"Debug Info Version", i32 3}
72!8 = !{i32 1, !"wchar_size", i32 4}
73!9 = distinct !DISubprogram(name: "boo", linkageName: "_Z3boov", scope: !1, file: !1, line: 5, type: !10, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
74!10 = !DISubroutineType(types: !11)
75!11 = !{!12}
76!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
77!13 = !DILocation(line: 6, column: 10, scope: !9)
78!15 = distinct !DISubprogram(name: "foo", linkageName: "_ZL3fooi", scope: !1, file: !1, line: 1, type: !16, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !2)
79!16 = !DISubroutineType(types: !17)
80!17 = !{!12, !12}
81!18 = !DILocalVariable(name: "a", arg: 1, scope: !15, file: !1, line: 1, type: !12)
82!19 = !DILocation(line: 1, column: 20, scope: !15)
83!20 = !DILocation(line: 2, column: 10, scope: !15)
84!22 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", scope: !4, file: !4, line: 5, type: !10, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !3, retainedNodes: !2)
85!23 = !DILocation(line: 6, column: 10, scope: !22)
86!25 = distinct !DISubprogram(name: "foo", linkageName: "_ZL3fooi", scope: !4, file: !4, line: 1, type: !16, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !3, retainedNodes: !2)
87!26 = !DILocalVariable(name: "a", arg: 1, scope: !25, file: !4, line: 1, type: !12)
88!27 = !DILocation(line: 1, column: 20, scope: !25)
89!28 = !DILocation(line: 2, column: 10, scope: !25)
90