1# RUN: llc -emit-call-site-info -start-after=machineverifier -filetype=obj -o - %s \
2# RUN:     | llvm-dwarfdump - | FileCheck %s --implicit-check-not=DW_TAG_GNU_call_site_parameter
3
4## This test would previously trigger an assertion when trying to describe the
5## call site value for the MOV16ri instruction.
6## Based on the following reproducer:
7##  a(short);
8##  b() { a(1); }
9
10--- |
11  target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
12  target triple = "x86_64-w64-windows-gnu"
13
14  ; Function Attrs: nounwind uwtable
15  define dso_local i32 @b() local_unnamed_addr !dbg !14 {
16  entry:
17    %call = tail call i32 @a(i16 1), !dbg !17
18    ret i32 undef, !dbg !18
19  }
20
21  declare !dbg !4 dso_local i32 @a(i16) local_unnamed_addr
22
23  !llvm.dbg.cu = !{!0}
24  !llvm.module.flags = !{!9, !10, !11, !12}
25  !llvm.ident = !{!13}
26
27  !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
28  !1 = !DIFile(filename: "1.c", directory: "/")
29  !2 = !{}
30  !3 = !{!4}
31  !4 = !DISubprogram(name: "a", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
32  !5 = !DISubroutineType(types: !6)
33  !6 = !{!7, !8}
34  !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
35  !8 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed)
36  !9 = !{i32 7, !"Dwarf Version", i32 4}
37  !10 = !{i32 2, !"Debug Info Version", i32 3}
38  !11 = !{i32 1, !"wchar_size", i32 2}
39  !12 = !{i32 7, !"PIC Level", i32 2}
40  !13 = !{!"clang version 11.0.0"}
41  !14 = distinct !DISubprogram(name: "b", scope: !1, file: !1, line: 3, type: !15, scopeLine: 3, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
42  !15 = !DISubroutineType(types: !16)
43  !16 = !{!7}
44  !17 = !DILocation(line: 4, column: 3, scope: !14)
45  !18 = !DILocation(line: 5, column: 1, scope: !14)
46
47...
48---
49name:            b
50alignment:       16
51callSites:
52  - { bb: 0, offset: 1, fwdArgRegs:
53      - { arg: 0, reg: '$cx' } }
54body:             |
55  bb.0.entry:
56    $cx = MOV16ri 1, debug-location !17
57    TAILJMPd64 @a, csr_win64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit killed $cx, debug-location !17
58
59...
60