llvm/test/DebugInfo/KeyInstructions/X86/dwarf-inline-modes.mir

# RUN: llc %s --start-after=livedebugvalues --dwarf-use-key-instructions --filetype=obj -o - \
# RUN: | llvm-objdump -d - --no-show-raw-insn \
# RUN: | FileCheck %s --check-prefix=OBJ

# RUN: llc %s --start-after=livedebugvalues --dwarf-use-key-instructions --filetype=obj -o - \
# RUN: | llvm-dwarfdump - --debug-line \
# RUN: | FileCheck %s --check-prefix=DBG

# Test is_stmt emission for a key-instructions function inlined into a
# not-key-instructions function, and vice versa.

--- |
  target triple = "x86_64-unknown-linux-gnu"

  define hidden noundef i32 @key() local_unnamed_addr !dbg !5 {
  entry:
    ret i32 0
  }

  define hidden noundef i32 @not_key() local_unnamed_addr !dbg !9 {
  entry:
    ret i32 0
  }

  !llvm.dbg.cu = !{!0}
  !llvm.module.flags = !{!2, !3}
  !llvm.ident = !{!4}

  !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_17, file: !1, producer: "clang version 21.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None)
  !1 = !DIFile(filename: "test.cpp", directory: "/")
  !2 = !{i32 7, !"Dwarf Version", i32 5}
  !3 = !{i32 2, !"Debug Info Version", i32 3}
  !4 = !{!"clang version 21.0.0"}
  !5 = distinct !DISubprogram(name: "key", scope: !1, file: !1, line: 1, type: !6, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, keyInstructions: true)
  !6 = !DISubroutineType(types: !7)
  !7 = !{}
  !9 = distinct !DISubprogram(name: "not_key", scope: !1, file: !1, line: 1, type: !6, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, keyInstructions: false)
  !10 = distinct !DILocation(line: 5, scope: !5)
  !11 = distinct !DILocation(line: 9, scope: !9)
...
---
name:            key
alignment:       16
body:             |
  bb.0.entry:

    ; OBJ: 0000000000000000 <key>:
    ; OBJ-NEXT:  0: movl $0x1, %eax
    ; OBJ-NEXT:  5: movl $0x2, %eax
    ; OBJ-NEXT:  a: movl $0x3, %eax
    ; OBJ-NEXT:  f: movl $0x4, %eax
    ; OBJ-NEXT: 14: movl $0x5, %eax
    ; OBJ-NEXT: 19: retq
    ;
    ; DBG:      Address            Line   Column File   ISA Discriminator OpIndex Flags
    ; DBG-NEXT: ------------------ ------ ------ ------ --- ------------- ------- -------------
    ; DBG-NEXT: 0x0000000000000000      1      0      0   0             0       0  is_stmt prologue_end
    ; DBG-NEXT: 0x0000000000000005      2      0      0   0             0       0  is_stmt
    ; DBG-NEXT: 0x000000000000000a      2      0      0   0             0       0
    ; DBG-NEXT: 0x000000000000000f      3      0      0   0             0       0  is_stmt
    ; DBG-NEXT: 0x0000000000000014      3      0      0   0             0       0
    ;
    $eax = MOV32ri 1,  debug-location !DILocation(line: 1, scope: !5)                            ; is_stmt (prologue_end)
    $eax = MOV32ri 2,  debug-location !DILocation(line: 2, scope: !5, atomGroup: 1, atomRank: 1) ; is_stmt (key)
    $eax = MOV32ri 3,  debug-location !DILocation(line: 2, scope: !9, inlinedAt: !10)
    $eax = MOV32ri 4,  debug-location !DILocation(line: 3, scope: !9, inlinedAt: !10)            ; is_stmt (not_key)
    $eax = MOV32ri 5,  debug-location !DILocation(line: 3, scope: !5, atomGroup: 1, atomRank: 2) ; is_stmt (key)
    RET64 $eax,        debug-location !DILocation(line: 3, scope: !5, atomGroup: 1, atomRank: 1)
...
---
name:            not_key
alignment:       16
body:             |
  bb.0.entry:

    ; OBJ: 0000000000000020 <not_key>:
    ; OBJ-NEXT: 20: movl $0x1, %eax
    ; OBJ-NEXT: 25: movl $0x2, %eax
    ; OBJ-NEXT: 2a: movl $0x3, %eax
    ; OBJ-NEXT: 2f: retq
    ;
    ;           Address            Line   Column File   ISA Discriminator OpIndex Flags
    ;           ------------------ ------ ------ ------ --- ------------- ------- -------------
    ; DBG-NEXT: 0x0000000000000020      1      0      0   0             0       0  is_stmt prologue_end
    ; DBG-NEXT: 0x0000000000000025      2      0      0   0             0       0
    ; DBG-NEXT: 0x000000000000002a      3      0      0   0             0       0  is_stmt
    ; DBG-NEXT: 0x000000000000002f      3      0      0   0             0       0
    ;
    $eax = MOV32ri 1,  debug-location !DILocation(line: 1, scope: !9)                                            ; is_stmt (prologue_end)
    $eax = MOV32ri 2,  debug-location !DILocation(line: 2, scope: !5, inlinedAt: !11, atomGroup: 1, atomRank: 2)
    $eax = MOV32ri 3,  debug-location !DILocation(line: 3, scope: !5, inlinedAt: !11, atomGroup: 1, atomRank: 1) ; is_stmt (key)
    RET64 $eax,        debug-location !DILocation(line: 3, scope: !9)
...