test/DebugInfo/MIR/ARM/dbgcallsite-noreg-is-imm-check.mir

# RUN: llc -emit-call-site-info -debug-entry-values -mtriple=armebv6k-unknown-linux-gnueabihf -filetype=obj -start-after=machineverifier %s -o -| llvm-dwarfdump - | FileCheck %s --implicit-check-not=DW_TAG_GNU_call_site_parameter

## The test was handmade.

--- |
  ; ModuleID = 'test.c'
  source_filename = "test.c"
  target datalayout = "E-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
  target triple = "armebv6k-unknown-linux-gnueabihf"

  ; Function Attrs: nounwind
  define dso_local arm_aapcscc i32 @func1(i32 %arg1) local_unnamed_addr !dbg !14 {
  entry:
    %add = add nsw i32 %arg1, 2, !dbg !19
    %a = alloca i32, align 4
    call void @llvm.dbg.value(metadata i32 %arg1, metadata !18, metadata !DIExpression()), !dbg !19
    %call = call arm_aapcscc i32 @func2(i32 %add), !dbg !19
    ret i32  0, !dbg !19
  }

  declare !dbg !4 dso_local arm_aapcscc i32 @func2(i32) local_unnamed_addr

  ; Function Attrs: nounwind readnone speculatable willreturn
  declare void @llvm.dbg.value(metadata, metadata, metadata)

  !llvm.dbg.cu = !{!0}
  !llvm.module.flags = !{!9, !10, !11, !12}
  !llvm.ident = !{!13}

  !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
  !1 = !DIFile(filename: "test.c", directory: "/")
  !2 = !{}
  !3 = !{!4}
  !4 = !DISubprogram(name: "func2", scope: !1, file: !1, line: 8, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
  !5 = !DISubroutineType(types: !6)
  !6 = !{!7, !7, !7, !8}
  !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
  !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 32)
  !9 = !{i32 2, !"Dwarf Version", i32 4}
  !10 = !{i32 2, !"Debug Info Version", i32 3}
  !11 = !{i32 1, !"wchar_size", i32 4}
  !12 = !{i32 1, !"min_enum_size", i32 4}
  !13 = !{!"clang version 10.0.0"}
  !14 = distinct !DISubprogram(name: "func1", scope: !1, file: !1, line: 9, type: !15, scopeLine: 9, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17)
  !15 = !DISubroutineType(types: !16)
  !16 = !{!7, !7, !7, !7}
  !17 = !{!18}
  !18 = !DILocalVariable(name: "arg1", arg: 1, scope: !14, file: !1, line: 9, type: !7)
  !19 = !DILocation(line: 0, scope: !14)
...
---
name:            func1
alignment:       4
callSites:
  - { bb: 0, offset: 11, fwdArgRegs:
      - { arg: 0, reg: '$r0' } }
body:             |
  bb.0.entry:
    liveins: $r0, $r1, $r2, $r4, $r10, $lr

    DBG_VALUE $r0, $noreg, !18, !DIExpression(), debug-location !19
    $sp = frame-setup STMDB_UPD $sp, 14, $noreg, killed $r4, killed $r10, $r11, killed $lr
    frame-setup CFI_INSTRUCTION def_cfa_offset 16
    frame-setup CFI_INSTRUCTION offset $lr, -4
    frame-setup CFI_INSTRUCTION offset $r11, -8
    frame-setup CFI_INSTRUCTION offset $r10, -12
    frame-setup CFI_INSTRUCTION offset $r4, -16
    $r11 = frame-setup ADDri $sp, 8, 14, $noreg, $noreg
    frame-setup CFI_INSTRUCTION def_cfa $r11, 8
    $sp = frame-setup SUBri $sp, 8, 14, $noreg, $noreg
    INLINEASM &"rev $0, $1", 0, 327690, def renamable $r0, 327689, killed renamable $r4, 0, debug-location !19
    BL @func2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit killed $r1, implicit killed $r2, implicit-def $sp, implicit-def $r0, debug-location !19
    BX_RET 14, $noreg, implicit killed $r0, debug-location !19

...