1 ; RUN: opt -deadargelim -S < %s | FileCheck %s
5 ;void f2(int k) __attribute__((noinline)) {
10 ;void f() __attribute__((noinline)) {
20 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
22 @s = common dso_local local_unnamed_addr global i32 0, align 4, !dbg !0
24 ; Function Attrs: noinline nounwind uwtable
25 define dso_local void @f2(i32 %k) local_unnamed_addr !dbg !11 {
27 ; CHECK: call void @llvm.dbg.value(metadata i32 undef, metadata !15, metadata !DIExpression()), !dbg !16
28 call void @llvm.dbg.value(metadata i32 %k, metadata !15, metadata !DIExpression()), !dbg !16
29 %0 = load i32, i32* @s, align 4, !dbg !17
30 %inc = add nsw i32 %0, 1, !dbg !17
31 store i32 %inc, i32* @s, align 4, !dbg !17
32 call void @llvm.dbg.value(metadata i32* @s, metadata !15, metadata !DIExpression(DW_OP_deref)), !dbg !16
36 ; Function Attrs: noinline nounwind uwtable
37 define dso_local void @f() local_unnamed_addr !dbg !19 {
39 ; CHECK: tail call void @f2(i32 undef), !dbg !22
40 tail call void @f2(i32 4), !dbg !22
44 ; Function Attrs: nounwind uwtable
45 define dso_local i32 @main() local_unnamed_addr !dbg !24 {
47 tail call void @f(), !dbg !27
51 ; Function Attrs: nounwind readnone speculatable
52 declare void @llvm.dbg.value(metadata, metadata, metadata)
55 !llvm.module.flags = !{!7, !8, !9}
58 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
59 !1 = distinct !DIGlobalVariable(name: "s", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
60 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 8.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
61 !3 = !DIFile(filename: "test.c", directory: "/dir")
64 !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
65 !7 = !{i32 2, !"Dwarf Version", i32 4}
66 !8 = !{i32 2, !"Debug Info Version", i32 3}
67 !9 = !{i32 1, !"wchar_size", i32 4}
68 !10 = !{!"clang version 7.0.0"}
69 !11 = distinct !DISubprogram(name: "f2", scope: !3, file: !3, line: 3, type: !12, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !14)
70 !12 = !DISubroutineType(types: !13)
73 !15 = !DILocalVariable(name: "k", arg: 1, scope: !11, file: !3, line: 3, type: !6)
74 !16 = !DILocation(line: 3, column: 13, scope: !11)
75 !17 = !DILocation(line: 4, column: 3, scope: !11)
76 !18 = !DILocation(line: 6, column: 1, scope: !11)
77 !19 = distinct !DISubprogram(name: "f", scope: !3, file: !3, line: 8, type: !20, isLocal: false, isDefinition: true, scopeLine: 8, isOptimized: true, unit: !2, retainedNodes: !4)
78 !20 = !DISubroutineType(types: !21)
80 !22 = !DILocation(line: 9, column: 2, scope: !19)
81 !23 = !DILocation(line: 10, column: 1, scope: !19)
82 !24 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 12, type: !25, isLocal: false, isDefinition: true, scopeLine: 12, isOptimized: true, unit: !2, retainedNodes: !4)
83 !25 = !DISubroutineType(types: !26)
85 !27 = !DILocation(line: 13, column: 2, scope: !24)
86 !28 = !DILocation(line: 14, column: 2, scope: !24)