test/DebugInfo/MIR/AArch64/dbgcall-site-interpret-movzxi.mir

# RUN: llc -emit-call-site-info -mtriple aarch64-linux-gnu -debug-entry-values -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
#
# Based on the following C reproducer:
#
# #include <stdint.h>
#
# extern void call1(int64_t);
# extern void call2(int64_t);
# extern void call3(int64_t);
# extern void call4(int64_t);
#
# void caller() {
#   call1(UINT64_C(1) << 0);
#   call2(UINT64_C(1) << 16);
#   call3(UINT64_C(1) << 32);
#   call4(UINT64_C(1) << 48);
# }
#
# CHECK: DW_TAG_GNU_call_site
# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call1"
# CHECK: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location      (DW_OP_reg0 W0)
# CHECK-NEXT: DW_AT_GNU_call_site_value   (DW_OP_lit1)
# CHECK-EMPTY:
# CHECK: DW_TAG_GNU_call_site
# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call2"
# CHECK: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location      (DW_OP_reg0 W0)
# CHECK-NEXT: DW_AT_GNU_call_site_value   (DW_OP_constu 0x10000)
# CHECK-EMPTY:
# CHECK: DW_TAG_GNU_call_site
# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call3"
# CHECK: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location      (DW_OP_reg0 W0)
# CHECK-NEXT: DW_AT_GNU_call_site_value   (DW_OP_constu 0x100000000)
# CHECK-EMPTY:
# CHECK: DW_TAG_GNU_call_site
# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call4"
# CHECK: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location      (DW_OP_reg0 W0)
# CHECK-NEXT: DW_AT_GNU_call_site_value   (DW_OP_constu 0x1000000000000)
#
--- |
  ; ModuleID = '1.c'
  source_filename = "1.c"
  target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
  target triple = "aarch64"

  ; Function Attrs: nounwind
  define dso_local void @caller() local_unnamed_addr #0 !dbg !15 {
  entry:
    tail call void @call1(i64 1), !dbg !18
    tail call void @call2(i64 65536), !dbg !19
    tail call void @call3(i64 4294967296), !dbg !20
    tail call void @call4(i64 281474976710656), !dbg !21
    ret void, !dbg !22
  }

  declare !dbg !4 dso_local void @call1(i64) local_unnamed_addr

  declare !dbg !8 dso_local void @call2(i64) local_unnamed_addr

  declare !dbg !9 dso_local void @call3(i64) local_unnamed_addr

  declare !dbg !10 dso_local void @call4(i64) local_unnamed_addr

  attributes #0 = { nounwind "frame-pointer"="all" }

  !llvm.dbg.cu = !{!0}
  !llvm.module.flags = !{!11, !12, !13}
  !llvm.ident = !{!14}

  !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: "1.c", directory: "/dir")
  !2 = !{}
  !3 = !{!4, !8, !9, !10}
  !4 = !DISubprogram(name: "call1", scope: !1, file: !1, line: 3, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
  !5 = !DISubroutineType(types: !6)
  !6 = !{null, !7}
  !7 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
  !8 = !DISubprogram(name: "call2", scope: !1, file: !1, line: 4, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
  !9 = !DISubprogram(name: "call3", scope: !1, file: !1, line: 5, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
  !10 = !DISubprogram(name: "call4", scope: !1, file: !1, line: 6, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
  !11 = !{i32 2, !"Dwarf Version", i32 4}
  !12 = !{i32 2, !"Debug Info Version", i32 3}
  !13 = !{i32 1, !"wchar_size", i32 4}
  !14 = !{!"clang version 10.0.0"}
  !15 = distinct !DISubprogram(name: "caller", scope: !1, file: !1, line: 8, type: !16, scopeLine: 8, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
  !16 = !DISubroutineType(types: !17)
  !17 = !{null}
  !18 = !DILocation(line: 9, column: 7, scope: !15)
  !19 = !DILocation(line: 10, column: 7, scope: !15)
  !20 = !DILocation(line: 11, column: 7, scope: !15)
  !21 = !DILocation(line: 12, column: 7, scope: !15)
  !22 = !DILocation(line: 13, column: 4, scope: !15)

...
---
name:            caller
alignment:       4
stack:
  - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
      stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
      stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
callSites:
  - { bb: 0, offset: 6, fwdArgRegs:
      - { arg: 0, reg: '$x0' } }
  - { bb: 0, offset: 8, fwdArgRegs:
      - { arg: 0, reg: '$x0' } }
  - { bb: 0, offset: 10, fwdArgRegs:
      - { arg: 0, reg: '$x0' } }
  - { bb: 0, offset: 13, fwdArgRegs:
      - { arg: 0, reg: '$x0' } }
body:             |
  bb.0.entry:
    liveins: $lr

    early-clobber $sp = frame-setup STPXpre $fp, killed $lr, $sp, -2 :: (store 8 into %stack.1), (store 8 into %stack.0)
    $fp = frame-setup ADDXri $sp, 0, 0
    frame-setup CFI_INSTRUCTION def_cfa $w29, 16
    frame-setup CFI_INSTRUCTION offset $w30, -8, debug-location !18
    frame-setup CFI_INSTRUCTION offset $w29, -16, debug-location !18
    dead $w0 = MOVZWi 1, 0, implicit-def $x0, debug-location !18
    BL @call1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $x0, implicit-def $sp, debug-location !18
    dead $w0 = MOVZWi 1, 16, implicit-def $x0, debug-location !19
    BL @call2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $x0, implicit-def $sp, debug-location !19
    $x0 = MOVZXi 1, 32, debug-location !20
    BL @call3, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $x0, implicit-def $sp, debug-location !20
    $x0 = MOVZXi 1, 48, debug-location !21
    early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2, debug-location !21 :: (load 8 from %stack.1), (load 8 from %stack.0)
    TCRETURNdi @call4, 0, csr_aarch64_aapcs, implicit $sp, implicit killed $x0, debug-location !21

...