; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; Verify whether debug information is attached to the store to null/undef instruction
; !dbg should be present at the end of "store to null" instruction
; RUN: opt -S -passes='instcombine' < %s | FileCheck %s > /dev/null

define void @_Z3foov() {
; CHECK-LABEL: define void @_Z3foov() {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    store i1 true, ptr poison, align 1, !dbg [[DBG4:![0-9]+]]
; CHECK-NEXT:    ret void
;

entry:
  tail call void null(), !dbg !4
  ret void
}

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3}

!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "Clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)
!1 = !DIFile(filename: "test_sym_mod.cpp", directory: "/workspace/asaravan/test_bugpoint")
!2 = !{}
!3 = !{i32 2, !"Debug Info Version", i32 3}
!4 = !DILocation(line: 83, column: 3, scope: !5)
!5 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !1, file: !1, line: 77, type: !6, scopeLine: 78, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
!6 = !DISubroutineType(types: !7)
!7 = !{null}
;.
; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: [[META1:![0-9]+]], producer: "Clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: [[META2:![0-9]+]], globals: [[META2]], splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)
; CHECK: [[META1]] = !DIFile(filename: "test_sym_mod.cpp", directory: {{.*}})
; CHECK: [[META2]] = !{}
; CHECK: [[DBG4]] = !DILocation(line: 83, column: 3, scope: [[META5:![0-9]+]])
; CHECK: [[META5]] = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: [[META1]], file: [[META1]], line: 77, type: [[META6:![0-9]+]], scopeLine: 78, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META2]])
; CHECK: [[META6]] = !DISubroutineType(types: [[META7:![0-9]+]])
; CHECK: [[META7]] = !{null}
;.