; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

;; Test replaceAllDbgUsesWith(). InstCombine uses this function when there is a
;; cast of a cast it can eliminate (see InstCombinerImpl::commonCastTransforms).

target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

declare void @use_i32(i32)
declare void @use_i64(i32)
declare void @use_ptr(ptr)
declare void @use_ptr1(ptr addrspace(1))
declare void @llvm.dbg.value(metadata, metadata, metadata) #0

define void @test_int_ptr_int(i64 %A) !dbg !5 {
; CHECK-LABEL: define void @test_int_ptr_int(
; CHECK-SAME: i64 [[A:%.*]]) !dbg [[DBG5:![0-9]+]] {
; CHECK-NEXT:      #dbg_value(i64 [[A]], [[META9:![0-9]+]], !DIExpression(DIOpArg(0, i64), DIOpReinterpret(ptr)), [[META12:![0-9]+]])
; CHECK-NEXT:    call void @use_i64(i64 [[A]])
; CHECK-NEXT:    ret void
;
  %1 = inttoptr i64 %A to ptr
    #dbg_value(ptr %1, !9, !DIExpression(DIOpArg(0, ptr)), !12)
  %2 = ptrtoint ptr %1 to i64
  call void @use_i64(i64 %2)
  ret void
}

define void @test_ptr_int_ptr(ptr %A) !dbg !13 {
; CHECK-LABEL: define void @test_ptr_int_ptr(
; CHECK-SAME: ptr [[A:%.*]]) !dbg [[DBG13:![0-9]+]] {
; CHECK-NEXT:      #dbg_value(ptr [[A]], [[META15:![0-9]+]], !DIExpression(DIOpArg(0, ptr), DIOpReinterpret(i64)), [[META17:![0-9]+]])
; CHECK-NEXT:    call void @use_ptr(ptr [[A]])
; CHECK-NEXT:    ret void
;
  %1 = ptrtoint ptr %A to i64
    #dbg_value(i64 %1, !15, !DIExpression(DIOpArg(0, i64)), !17)
  %2 = inttoptr i64 %1 to ptr
  call void @use_ptr(ptr %2)
  ret void
}

define void @test_zext_trunc(i32 %A) !dbg !18 {
; CHECK-LABEL: define void @test_zext_trunc(
; CHECK-SAME: i32 [[A:%.*]]) !dbg [[DBG18:![0-9]+]] {
; CHECK-NEXT:      #dbg_value(i32 [[A]], [[META20:![0-9]+]], !DIExpression(DIOpArg(0, i32), DIOpZExt(i64)), [[META23:![0-9]+]])
; CHECK-NEXT:    call void @use_i32(i32 [[A]])
; CHECK-NEXT:    ret void
;
  %1 = zext i32 %A to i64
    #dbg_value(i64 %1, !20, !DIExpression(DIOpArg(0, i64)), !23)
  %2 = trunc i64 %1 to i32
  call void @use_i32(i32 %2)
  ret void
}

define void @test_trunc_zext(i64 %A) !dbg !24 {
; CHECK-LABEL: define void @test_trunc_zext(
; CHECK-SAME: i64 [[A:%.*]]) !dbg [[DBG24:![0-9]+]] {
; CHECK-NEXT:      #dbg_value(i64 [[A]], [[META26:![0-9]+]], !DIExpression(DIOpArg(0, i64), DIOpConvert(i32)), [[META28:![0-9]+]])
; CHECK-NEXT:    [[TMP1:%.*]] = and i64 [[A]], 4294967295
; CHECK-NEXT:    call void @use_i64(i64 [[TMP1]])
; CHECK-NEXT:    ret void
;
  %1 = trunc i64 %A to i32
    #dbg_value(i32 %1, !26, !DIExpression(DIOpArg(0, i32)), !28)
  %2 = zext i32 %1 to i64
  call void @use_i64(i64 %2)
  ret void
}

define void @test_sext_trunc(i32 %A) !dbg !29 {
; CHECK-LABEL: define void @test_sext_trunc(
; CHECK-SAME: i32 [[A:%.*]]) !dbg [[DBG29:![0-9]+]] {
; CHECK-NEXT:      #dbg_value(i32 [[A]], [[META31:![0-9]+]], !DIExpression(DIOpArg(0, i32), DIOpSExt(i64)), [[META33:![0-9]+]])
; CHECK-NEXT:    call void @use_i32(i32 [[A]])
; CHECK-NEXT:    ret void
;
  %1 = sext i32 %A to i64
    #dbg_value(i64 %1, !31, !DIExpression(DIOpArg(0, i64)), !33)
  %2 = trunc i64 %1 to i32
  call void @use_i32(i32 %2)
  ret void
}

define void @test_asc_asc(ptr addrspace(1) %A, ptr %B) !dbg !34 {
; CHECK-LABEL: define void @test_asc_asc(
; CHECK-SAME: ptr addrspace(1) [[A:%.*]], ptr [[B:%.*]]) !dbg [[DBG34:![0-9]+]] {
; CHECK-NEXT:      #dbg_value(ptr addrspace(4) poison, [[META36:![0-9]+]], !DIExpression(DIOpArg(0, ptr addrspace(4))), [[META38:![0-9]+]])
; CHECK-NEXT:    call void @use_ptr1(ptr addrspace(1) [[A]])
; CHECK-NEXT:      #dbg_value(ptr addrspace(3) poison, [[META39:![0-9]+]], !DIExpression(DIOpArg(0, ptr addrspace(3))), [[META38]])
; CHECK-NEXT:    call void @use_ptr(ptr [[B]])
; CHECK-NEXT:    ret void
;
  %1 = addrspacecast ptr addrspace(1) %A to ptr addrspace(4)
    #dbg_value(ptr addrspace(4) %1, !36, !DIExpression(DIOpArg(0, ptr addrspace(4))), !38)
  %2 = addrspacecast ptr addrspace(4) %1 to ptr addrspace(1)
  call void @use_ptr1(ptr addrspace(1) %2)

  %3 = addrspacecast ptr %B to ptr addrspace(3)
    #dbg_value(ptr addrspace(3) %3, !39, !DIExpression(DIOpArg(0, ptr addrspace(3))), !38)
  %4 = addrspacecast ptr addrspace(3) %3 to ptr
  call void @use_ptr(ptr %4)

  ret void
}

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

!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!1 = !DIFile(filename: "t.c", directory: "/")
!2 = !{i32 16}
!3 = !{i32 8}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = distinct !DISubprogram(name: "test_int_ptr_int", linkageName: "test_int_ptr_int", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
!6 = !DISubroutineType(types: !7)
!7 = !{}
!8 = !{!9, !11}
!9 = !DILocalVariable(name: "1", scope: !5, file: !1, line: 1, type: !10)
!10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
!11 = !DILocalVariable(name: "2", scope: !5, file: !1, line: 2, type: !10)
!12 = !DILocation(line: 1, column: 1, scope: !5)
!13 = distinct !DISubprogram(name: "test_ptr_int_ptr", linkageName: "test_ptr_int_ptr", scope: null, file: !1, line: 5, type: !6, scopeLine: 5, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !14)
!14 = !{!15, !16}
!15 = !DILocalVariable(name: "3", scope: !13, file: !1, line: 5, type: !10)
!16 = !DILocalVariable(name: "4", scope: !13, file: !1, line: 6, type: !10)
!17 = !DILocation(line: 5, column: 1, scope: !13)
!18 = distinct !DISubprogram(name: "test_zext_trunc", linkageName: "test_zext_trunc", scope: null, file: !1, line: 9, type: !6, scopeLine: 9, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !19)
!19 = !{!20, !21}
!20 = !DILocalVariable(name: "5", scope: !18, file: !1, line: 9, type: !10)
!21 = !DILocalVariable(name: "6", scope: !18, file: !1, line: 10, type: !22)
!22 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
!23 = !DILocation(line: 9, column: 1, scope: !18)
!24 = distinct !DISubprogram(name: "test_trunc_zext", linkageName: "test_trunc_zext", scope: null, file: !1, line: 13, type: !6, scopeLine: 13, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !25)
!25 = !{!26, !27}
!26 = !DILocalVariable(name: "7", scope: !24, file: !1, line: 13, type: !22)
!27 = !DILocalVariable(name: "8", scope: !24, file: !1, line: 14, type: !10)
!28 = !DILocation(line: 13, column: 1, scope: !24)
!29 = distinct !DISubprogram(name: "test_sext_trunc", linkageName: "test_sext_trunc", scope: null, file: !1, line: 13, type: !6, scopeLine: 13, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !30)
!30 = !{!31}
!31 = !DILocalVariable(name: "9", scope: !29, file: !1, line: 13, type: !32)
!32 = !DIBasicType(name: "tys32", size: 32, encoding: DW_ATE_signed)
!33 = !DILocation(line: 13, column: 1, scope: !29)
!34 = distinct !DISubprogram(name: "test_asc_asc", linkageName: "test_asc_asc", scope: null, file: !1, line: 13, type: !6, scopeLine: 13, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !35)
!35 = !{!36}
!36 = !DILocalVariable(name: "10", scope: !34, file: !1, line: 13, type: !37)
!37 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
!38 = !DILocation(line: 13, column: 1, scope: !34)
!39 = !DILocalVariable(name: "11", scope: !34, file: !1, line: 13, type: !37)
;.
; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C, file: [[META1:![0-9]+]], producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
; CHECK: [[META1]] = !DIFile(filename: "{{.*}}t.c", directory: {{.*}})
; CHECK: [[DBG5]] = distinct !DISubprogram(name: "test_int_ptr_int", linkageName: "test_int_ptr_int", scope: null, file: [[META1]], line: 1, type: [[META6:![0-9]+]], scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META8:![0-9]+]])
; CHECK: [[META6]] = !DISubroutineType(types: [[META7:![0-9]+]])
; CHECK: [[META7]] = !{}
; CHECK: [[META8]] = !{[[META9]], [[META11:![0-9]+]]}
; CHECK: [[META9]] = !DILocalVariable(name: "1", scope: [[DBG5]], file: [[META1]], line: 1, type: [[META10:![0-9]+]])
; CHECK: [[META10]] = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
; CHECK: [[META11]] = !DILocalVariable(name: "2", scope: [[DBG5]], file: [[META1]], line: 2, type: [[META10]])
; CHECK: [[META12]] = !DILocation(line: 1, column: 1, scope: [[DBG5]])
; CHECK: [[DBG13]] = distinct !DISubprogram(name: "test_ptr_int_ptr", linkageName: "test_ptr_int_ptr", scope: null, file: [[META1]], line: 5, type: [[META6]], scopeLine: 5, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META14:![0-9]+]])
; CHECK: [[META14]] = !{[[META15]], [[META16:![0-9]+]]}
; CHECK: [[META15]] = !DILocalVariable(name: "3", scope: [[DBG13]], file: [[META1]], line: 5, type: [[META10]])
; CHECK: [[META16]] = !DILocalVariable(name: "4", scope: [[DBG13]], file: [[META1]], line: 6, type: [[META10]])
; CHECK: [[META17]] = !DILocation(line: 5, column: 1, scope: [[DBG13]])
; CHECK: [[DBG18]] = distinct !DISubprogram(name: "test_zext_trunc", linkageName: "test_zext_trunc", scope: null, file: [[META1]], line: 9, type: [[META6]], scopeLine: 9, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META19:![0-9]+]])
; CHECK: [[META19]] = !{[[META20]], [[META21:![0-9]+]]}
; CHECK: [[META20]] = !DILocalVariable(name: "5", scope: [[DBG18]], file: [[META1]], line: 9, type: [[META10]])
; CHECK: [[META21]] = !DILocalVariable(name: "6", scope: [[DBG18]], file: [[META1]], line: 10, type: [[META22:![0-9]+]])
; CHECK: [[META22]] = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
; CHECK: [[META23]] = !DILocation(line: 9, column: 1, scope: [[DBG18]])
; CHECK: [[DBG24]] = distinct !DISubprogram(name: "test_trunc_zext", linkageName: "test_trunc_zext", scope: null, file: [[META1]], line: 13, type: [[META6]], scopeLine: 13, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META25:![0-9]+]])
; CHECK: [[META25]] = !{[[META26]], [[META27:![0-9]+]]}
; CHECK: [[META26]] = !DILocalVariable(name: "7", scope: [[DBG24]], file: [[META1]], line: 13, type: [[META22]])
; CHECK: [[META27]] = !DILocalVariable(name: "8", scope: [[DBG24]], file: [[META1]], line: 14, type: [[META10]])
; CHECK: [[META28]] = !DILocation(line: 13, column: 1, scope: [[DBG24]])
; CHECK: [[DBG29]] = distinct !DISubprogram(name: "test_sext_trunc", linkageName: "test_sext_trunc", scope: null, file: [[META1]], line: 13, type: [[META6]], scopeLine: 13, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META30:![0-9]+]])
; CHECK: [[META30]] = !{[[META31]]}
; CHECK: [[META31]] = !DILocalVariable(name: "9", scope: [[DBG29]], file: [[META1]], line: 13, type: [[META32:![0-9]+]])
; CHECK: [[META32]] = !DIBasicType(name: "tys32", size: 32, encoding: DW_ATE_signed)
; CHECK: [[META33]] = !DILocation(line: 13, column: 1, scope: [[DBG29]])
; CHECK: [[DBG34]] = distinct !DISubprogram(name: "test_asc_asc", linkageName: "test_asc_asc", scope: null, file: [[META1]], line: 13, type: [[META6]], scopeLine: 13, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META35:![0-9]+]])
; CHECK: [[META35]] = !{[[META36]]}
; CHECK: [[META36]] = !DILocalVariable(name: "10", scope: [[DBG34]], file: [[META1]], line: 13, type: [[META37:![0-9]+]])
; CHECK: [[META37]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
; CHECK: [[META38]] = !DILocation(line: 13, column: 1, scope: [[DBG34]])
; CHECK: [[META39]] = !DILocalVariable(name: "11", scope: [[DBG34]], file: [[META1]], line: 13, type: [[META37]])
;.