xref: /llvm-project/llvm/test/Verifier/diexpression-entry-value-llvm-ir.ll (revision 26ea983d228dd00db1599c7718fa687e5e0bbe6a)
1; RUN: llvm-as -disable-output <%s 2>&1| FileCheck %s
2
3; CHECK-NOT: llvm.dbg.value
4; CHECK: Entry values are only allowed in MIR unless they target a swiftasync Argument
5; CHECK: call void @llvm.dbg.value(metadata i32 %param, metadata !{{.*}}, metadata !DIExpression(DW_OP_LLVM_entry_value, 1))
6; CHECK-NOT: llvm.dbg.value
7; CHECK-NOT: Entry values are only allowed
8; CHECK: warning: ignoring invalid debug info
9
10define void @foo(i32 %param, ptr swiftasync %ok_param) !dbg !4 {
11entry:
12  call void @llvm.dbg.value(metadata i32 %param, metadata !8, metadata !DIExpression(DW_OP_LLVM_entry_value, 1)), !dbg !9
13  call void @llvm.dbg.value(metadata ptr %ok_param, metadata !8, metadata !DIExpression(DW_OP_LLVM_entry_value, 1)), !dbg !9
14  call void @llvm.dbg.value(metadata ptr poison, metadata !8, metadata !DIExpression(DW_OP_LLVM_entry_value, 1)), !dbg !9
15  call void @llvm.dbg.value(metadata ptr undef, metadata !8, metadata !DIExpression(DW_OP_LLVM_entry_value, 1)), !dbg !9
16  ret void
17}
18
19declare void @llvm.dbg.value(metadata, metadata, metadata) #0
20
21attributes #0 = { nounwind readnone speculatable willreturn }
22
23!llvm.dbg.cu = !{!0}
24!llvm.module.flags = !{!2, !3}
25
26!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug)
27!1 = !DIFile(filename: "a.c", directory: "/")
28!2 = !{i32 2, !"Dwarf Version", i32 4}
29!3 = !{i32 2, !"Debug Info Version", i32 3}
30!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, type: !5, unit: !0)
31!5 = !DISubroutineType(types: !6)
32!6 = !{null, !7}
33!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
34!8 = !DILocalVariable(name: "param", arg: 1, scope: !4, file: !1, type: !7)
35!9 = !DILocation(line: 0, scope: !4)
36