1 ; RUN: llc -O0 -fast-isel=1 -o - -print-after="finalize-isel" %s 2>&1 | FileCheck %s
2 ; RUN: llc --try-experimental-debuginfo-iterators -O0 -fast-isel=1 -o - -print-after="finalize-isel" %s 2>&1 | FileCheck %s
4 ; Check that we emit a DBG_VALUE for the `@llvm.dbg.value` which has `undef` has first arg.
6 target triple = "arm64-apple-ios13.4.0"
7 define void @foo() !dbg !6 {
8 ; CHECK: DBG_VALUE $noreg, $noreg, !"1", !DIExpression()
9 call void @llvm.dbg.value(metadata ptr undef, metadata !9, metadata !DIExpression()), !dbg !11
13 declare void @llvm.dbg.value(metadata, metadata, metadata)
16 !llvm.module.flags = !{!5}
18 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
19 !1 = !DIFile(filename: "t.ll", directory: "/")
21 !5 = !{i32 2, !"Debug Info Version", i32 3}
22 !6 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
23 !7 = !DISubroutineType(types: !2)
25 !9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10)
26 !10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
27 !11 = !DILocation(line: 1, column: 1, scope: !6)
28 !12 = !DILocation(line: 2, column: 1, scope: !6)