1# RUN: llc -mtriple=aarch64 -run-pass=patchable-function %s -o - | FileCheck %s
2
3## The initial .loc covers PATCHABLE_FUNCTION_ENTER.
4## Emitting a new .loc may create a prologue_end prematurely.
5# CHECK:    name: empty
6# CHECK:    bb.0.entry
7# CHECK:      PATCHABLE_FUNCTION_ENTER{{$}}
8# CHECK-NEXT: RET undef $lr, debug-location !DILocation(line: 1,
9
10--- |
11  define void @empty() #0 !dbg !7 {
12  entry:
13    ret void, !dbg !10
14  }
15
16  attributes #0 = { "patchable-function-entry"="1" }
17  !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
18  !1 = !DIFile(filename: "a.c", directory: "/tmp")
19  !2 = !{}
20  !3 = !{i32 7, !"Dwarf Version", i32 4}
21  !4 = !{i32 2, !"Debug Info Version", i32 3}
22  !5 = !{i32 1, !"wchar_size", i32 4}
23  !6 = !{!"clang version 11.0.0 "}
24  !7 = distinct !DISubprogram(name: "empty", scope: !1, file: !1, line: 1, type: !8, scopeLine: 1, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
25  !8 = !DISubroutineType(types: !9)
26  !9 = !{null}
27  !10 = !DILocation(line: 1, column: 61, scope: !7)
28
29...
30---
31name:            empty
32alignment:       4
33tracksRegLiveness: true
34body:             |
35  bb.0.entry:
36    liveins: $lr
37    RET undef $lr, debug-location !10
38
39...
40