1 ; RUN: opt < %s -passes=deadargelim \
2 ; RUN: -verify-each-debuginfo-preserve \
3 ; RUN: -debugify-level=locations -S 2>&1 | FileCheck %s
5 ; RUN: opt < %s -passes=deadargelim \
6 ; RUN: -verify-each-debuginfo-preserve \
7 ; RUN: -debugify-level=location+variables -S 2>&1 | FileCheck %s --check-prefix=CHECK-DROP
9 ; RUN: opt < %s -passes=deadargelim \
10 ; RUN: -verify-each-debuginfo-preserve \
11 ; RUN: -debugify-func-limit=0 -S 2>&1 | FileCheck %s
13 ; RUN: opt < %s -passes=deadargelim \
14 ; RUN: -verify-each-debuginfo-preserve \
15 ; RUN: -debugify-func-limit=2 -S 2>&1 | FileCheck %s --check-prefix=CHECK-DROP
18 ; CHECK-NOT: drops dbg.value()/dbg.declare()
19 ; CHECK-DROP: drops dbg.value()/dbg.declare()
21 target triple = "x86_64-unknown-linux-gnu"
23 define dso_local i32 @fn2(i32 %l, i32 %k) !dbg !7 {
25 call void @llvm.dbg.value(metadata i32 %l, metadata !12, metadata !DIExpression()), !dbg !15
26 call void @llvm.dbg.value(metadata i32 %k, metadata !13, metadata !DIExpression()), !dbg !15
27 %call = call i32 (...) @fn3(), !dbg !16
28 call void @llvm.dbg.value(metadata i32 %call, metadata !14, metadata !DIExpression()), !dbg !15
29 ret i32 %call, !dbg !17
32 declare !dbg !18 dso_local i32 @fn3(...)
34 define dso_local i32 @fn(i32 %x, i32 %y) !dbg !22 {
36 call void @llvm.dbg.value(metadata i32 %x, metadata !24, metadata !DIExpression()), !dbg !27
37 call void @llvm.dbg.value(metadata i32 %y, metadata !25, metadata !DIExpression()), !dbg !27
38 %call = call i32 @fn2(i32 %x, i32 %y), !dbg !27
39 call void @llvm.dbg.value(metadata i32 %call, metadata !26, metadata !DIExpression()), !dbg !27
40 %add = add nsw i32 %call, %x, !dbg !27
41 %add1 = add nsw i32 %add, %y, !dbg !27
42 ret i32 %add1, !dbg !27
45 declare void @llvm.dbg.value(metadata, metadata, metadata)
48 !llvm.module.flags = !{!2, !3, !4, !5}
51 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 14.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
52 !1 = !DIFile(filename: "test.c", directory: "/dir")
53 !2 = !{i32 7, !"Dwarf Version", i32 4}
54 !3 = !{i32 2, !"Debug Info Version", i32 3}
55 !4 = !{i32 1, !"wchar_size", i32 4}
56 !5 = !{i32 7, !"uwtable", i32 1}
57 !6 = !{!"clang version 14.0.0"}
58 !7 = distinct !DISubprogram(name: "fn2", scope: !1, file: !1, line: 3, type: !8, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0,
60 !8 = !DISubroutineType(types: !9)
62 !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
63 !11 = !{!12, !13, !14}
64 !12 = !DILocalVariable(name: "l", arg: 1, scope: !7, file: !1, line: 3, type: !10)
65 !13 = !DILocalVariable(name: "k", arg: 2, scope: !7, file: !1, line: 3, type: !10)
66 !14 = !DILocalVariable(name: "s", scope: !7, file: !1, line: 4, type: !10)
67 !15 = !DILocation(line: 0, scope: !7)
68 !16 = !DILocation(line: 4, column: 11, scope: !7)
69 !17 = !DILocation(line: 5, column: 3, scope: !7)
70 !18 = !DISubprogram(name: "fn3", scope: !1, file: !1, line: 1, type: !19, spFlags: DISPFlagOptimized, retainedNodes: !21)
71 !19 = !DISubroutineType(types: !20)
74 !22 = distinct !DISubprogram(name: "fn", scope: !1, file: !1, line: 8, type: !8, scopeLine: 8, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0,
76 !23 = !{!24, !25, !26}
77 !24 = !DILocalVariable(name: "x", arg: 1, scope: !22, file: !1, line: 8, type: !10)
78 !25 = !DILocalVariable(name: "y", arg: 2, scope: !22, file: !1, line: 8, type: !10)
79 !26 = !DILocalVariable(name: "local", scope: !22, file: !1, line: 9, type: !10)
80 !27 = !DILocation(line: 0, scope: !22)