; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --version 2
; Test alloca instrumentation. Command line includes check-globals so that
; changes to debug-info are detectable.
;
; RUN: opt < %s -passes=hwasan -hwasan-with-ifunc=1 -S | FileCheck %s --check-prefixes=DYNAMIC-SHADOW
; RUN: opt < %s -passes=hwasan -hwasan-mapping-offset=0 -S | FileCheck %s --check-prefixes=ZERO-BASED-SHADOW

target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "riscv64-unknown-linux"

declare void @use32(ptr)

;.
; DYNAMIC-SHADOW: @[[LLVM_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x ptr] [ptr @hwasan.module_ctor], section "llvm.metadata"
; DYNAMIC-SHADOW: @[[LLVM_GLOBAL_CTORS:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @hwasan.module_ctor, ptr @hwasan.module_ctor }]
; DYNAMIC-SHADOW: @[[__START_HWASAN_GLOBALS:[a-zA-Z0-9_$"\\.-]+]] = external hidden constant [0 x i8]
; DYNAMIC-SHADOW: @[[__STOP_HWASAN_GLOBALS:[a-zA-Z0-9_$"\\.-]+]] = external hidden constant [0 x i8]
; DYNAMIC-SHADOW: @[[HWASAN_NOTE:[a-zA-Z0-9_$"\\.-]+]] = private constant { i32, i32, i32, [8 x i8], i32, i32 } { i32 8, i32 8, i32 3, [8 x i8] c"LLVM\00\00\00\00", i32 trunc (i64 sub (i64 ptrtoint (ptr @__start_hwasan_globals to i64), i64 ptrtoint (ptr @hwasan.note to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (ptr @__stop_hwasan_globals to i64), i64 ptrtoint (ptr @hwasan.note to i64)) to i32) }, section ".note.hwasan.globals", comdat($hwasan.module_ctor), align 4
; DYNAMIC-SHADOW: @[[HWASAN_DUMMY_GLOBAL:[a-zA-Z0-9_$"\\.-]+]] = private constant [0 x i8] zeroinitializer, section "hwasan_globals", comdat($hwasan.module_ctor), !associated !0
; DYNAMIC-SHADOW: @[[__HWASAN_TLS:[a-zA-Z0-9_$"\\.-]+]] = external thread_local(initialexec) global i64
; DYNAMIC-SHADOW: @[[LLVM_COMPILER_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [3 x ptr] [ptr @hwasan.note, ptr @hwasan.dummy.global, ptr @__hwasan_tls], section "llvm.metadata"
; DYNAMIC-SHADOW: @[[__HWASAN_SHADOW:[a-zA-Z0-9_$"\\.-]+]] = external global [0 x i8]
;.
; ZERO-BASED-SHADOW: @[[LLVM_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x ptr] [ptr @hwasan.module_ctor], section "llvm.metadata"
; ZERO-BASED-SHADOW: @[[LLVM_GLOBAL_CTORS:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @hwasan.module_ctor, ptr @hwasan.module_ctor }]
; ZERO-BASED-SHADOW: @[[__START_HWASAN_GLOBALS:[a-zA-Z0-9_$"\\.-]+]] = external hidden constant [0 x i8]
; ZERO-BASED-SHADOW: @[[__STOP_HWASAN_GLOBALS:[a-zA-Z0-9_$"\\.-]+]] = external hidden constant [0 x i8]
; ZERO-BASED-SHADOW: @[[HWASAN_NOTE:[a-zA-Z0-9_$"\\.-]+]] = private constant { i32, i32, i32, [8 x i8], i32, i32 } { i32 8, i32 8, i32 3, [8 x i8] c"LLVM\00\00\00\00", i32 trunc (i64 sub (i64 ptrtoint (ptr @__start_hwasan_globals to i64), i64 ptrtoint (ptr @hwasan.note to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (ptr @__stop_hwasan_globals to i64), i64 ptrtoint (ptr @hwasan.note to i64)) to i32) }, section ".note.hwasan.globals", comdat($hwasan.module_ctor), align 4
; ZERO-BASED-SHADOW: @[[HWASAN_DUMMY_GLOBAL:[a-zA-Z0-9_$"\\.-]+]] = private constant [0 x i8] zeroinitializer, section "hwasan_globals", comdat($hwasan.module_ctor), !associated !0
; ZERO-BASED-SHADOW: @[[__HWASAN_TLS:[a-zA-Z0-9_$"\\.-]+]] = external thread_local(initialexec) global i64
; ZERO-BASED-SHADOW: @[[LLVM_COMPILER_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [3 x ptr] [ptr @hwasan.note, ptr @hwasan.dummy.global, ptr @__hwasan_tls], section "llvm.metadata"
; ZERO-BASED-SHADOW: @[[__HWASAN_SHADOW:[a-zA-Z0-9_$"\\.-]+]] = external global [0 x i8]
;.
define void @test_alloca() sanitize_hwaddress !dbg !15 {
; DYNAMIC-SHADOW-LABEL: define void @test_alloca
; DYNAMIC-SHADOW-SAME: () #[[ATTR0:[0-9]+]] personality ptr @__hwasan_personality_thunk !dbg [[DBG7:![0-9]+]] {
; DYNAMIC-SHADOW-NEXT:  entry:
; DYNAMIC-SHADOW-NEXT:    [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)
; DYNAMIC-SHADOW-NEXT:    [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
; DYNAMIC-SHADOW-NEXT:    [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64
; DYNAMIC-SHADOW-NEXT:    [[TMP2:%.*]] = lshr i64 [[TMP1]], 20
; DYNAMIC-SHADOW-NEXT:    [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP1]], [[TMP2]]
; DYNAMIC-SHADOW-NEXT:    [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP1]], 56
; DYNAMIC-SHADOW-NEXT:    [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
; DYNAMIC-SHADOW-NEXT:    [[TMP3:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0, !dbg [[DBG10:![0-9]+]]
; DYNAMIC-SHADOW-NEXT:    [[TMP4:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP5:%.*]] = and i64 [[TMP4]], 72057594037927935, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP6:%.*]] = shl i64 [[TMP3]], 56, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP7:%.*]] = or i64 [[TMP5]], [[TMP6]], !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[X_HWASAN:%.*]] = inttoptr i64 [[TMP7]] to ptr, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP8:%.*]] = trunc i64 [[TMP3]] to i8, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP9:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP10:%.*]] = and i64 [[TMP9]], 72057594037927935, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP11:%.*]] = lshr i64 [[TMP10]], 4, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP12:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP11]], !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP13:%.*]] = getelementptr i8, ptr [[TMP12]], i32 0, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    store i8 4, ptr [[TMP13]], align 1, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP14:%.*]] = getelementptr i8, ptr [[X]], i32 15, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    store i8 [[TMP8]], ptr [[TMP14]], align 1, !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    call void @llvm.dbg.value(metadata !DIArgList(ptr [[X]], ptr [[X]]), metadata [[META11:![0-9]+]], metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_tag_offset, 0, DW_OP_LLVM_arg, 1, DW_OP_LLVM_tag_offset, 0, DW_OP_plus, DW_OP_deref)), !dbg [[DBG13:![0-9]+]]
; DYNAMIC-SHADOW-NEXT:    call void @use32(ptr nonnull [[X_HWASAN]]), !dbg [[DBG10]]
; DYNAMIC-SHADOW-NEXT:    [[TMP15:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8, !dbg [[DBG14:![0-9]+]]
; DYNAMIC-SHADOW-NEXT:    [[TMP16:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG14]]
; DYNAMIC-SHADOW-NEXT:    [[TMP17:%.*]] = and i64 [[TMP16]], 72057594037927935, !dbg [[DBG14]]
; DYNAMIC-SHADOW-NEXT:    [[TMP18:%.*]] = lshr i64 [[TMP17]], 4, !dbg [[DBG14]]
; DYNAMIC-SHADOW-NEXT:    [[TMP19:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP18]], !dbg [[DBG14]]
; DYNAMIC-SHADOW-NEXT:    call void @llvm.memset.p0.i64(ptr align 1 [[TMP19]], i8 [[TMP15]], i64 1, i1 false), !dbg [[DBG14]]
; DYNAMIC-SHADOW-NEXT:    ret void, !dbg [[DBG14]]
;
; ZERO-BASED-SHADOW-LABEL: define void @test_alloca
; ZERO-BASED-SHADOW-SAME: () #[[ATTR0:[0-9]+]] personality ptr @__hwasan_personality_thunk !dbg [[DBG7:![0-9]+]] {
; ZERO-BASED-SHADOW-NEXT:  entry:
; ZERO-BASED-SHADOW-NEXT:    [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr null)
; ZERO-BASED-SHADOW-NEXT:    [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
; ZERO-BASED-SHADOW-NEXT:    [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64
; ZERO-BASED-SHADOW-NEXT:    [[TMP2:%.*]] = lshr i64 [[TMP1]], 20
; ZERO-BASED-SHADOW-NEXT:    [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP1]], [[TMP2]]
; ZERO-BASED-SHADOW-NEXT:    [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP1]], 56
; ZERO-BASED-SHADOW-NEXT:    [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
; ZERO-BASED-SHADOW-NEXT:    [[TMP3:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0, !dbg [[DBG10:![0-9]+]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP4:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP5:%.*]] = and i64 [[TMP4]], 72057594037927935, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP6:%.*]] = shl i64 [[TMP3]], 56, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP7:%.*]] = or i64 [[TMP5]], [[TMP6]], !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[X_HWASAN:%.*]] = inttoptr i64 [[TMP7]] to ptr, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP8:%.*]] = trunc i64 [[TMP3]] to i8, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP9:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP10:%.*]] = and i64 [[TMP9]], 72057594037927935, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP11:%.*]] = lshr i64 [[TMP10]], 4, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP12:%.*]] = inttoptr i64 [[TMP11]] to ptr, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP13:%.*]] = getelementptr i8, ptr [[TMP12]], i32 0, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    store i8 4, ptr [[TMP13]], align 1, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP14:%.*]] = getelementptr i8, ptr [[X]], i32 15, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    store i8 [[TMP8]], ptr [[TMP14]], align 1, !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    call void @llvm.dbg.value(metadata !DIArgList(ptr [[X]], ptr [[X]]), metadata [[META11:![0-9]+]], metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_tag_offset, 0, DW_OP_LLVM_arg, 1, DW_OP_LLVM_tag_offset, 0, DW_OP_plus, DW_OP_deref)), !dbg [[DBG13:![0-9]+]]
; ZERO-BASED-SHADOW-NEXT:    call void @use32(ptr nonnull [[X_HWASAN]]), !dbg [[DBG10]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP15:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8, !dbg [[DBG14:![0-9]+]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP16:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG14]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP17:%.*]] = and i64 [[TMP16]], 72057594037927935, !dbg [[DBG14]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP18:%.*]] = lshr i64 [[TMP17]], 4, !dbg [[DBG14]]
; ZERO-BASED-SHADOW-NEXT:    [[TMP19:%.*]] = inttoptr i64 [[TMP18]] to ptr, !dbg [[DBG14]]
; ZERO-BASED-SHADOW-NEXT:    call void @llvm.memset.p0.i64(ptr align 1 [[TMP19]], i8 [[TMP15]], i64 1, i1 false), !dbg [[DBG14]]
; ZERO-BASED-SHADOW-NEXT:    ret void, !dbg [[DBG14]]
;
entry:
  %x = alloca i32, align 4
  call void @llvm.dbg.value(metadata !DIArgList(ptr %x, ptr %x), metadata !22, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus, DW_OP_deref)), !dbg !21
  call void @use32(ptr nonnull %x), !dbg !23
  ret void, !dbg !24
}

declare void @llvm.dbg.value(metadata, metadata, metadata)

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4}
!llvm.ident = !{!14}

!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
!1 = !DIFile(filename: "alloca.cpp", directory: "/")
!2 = !{}
!3 = !{i32 7, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!14 = !{!"clang version 13.0.0"}
!15 = distinct !DISubprogram(name: "test_alloca", linkageName: "_Z11test_allocav", scope: !1, file: !1, line: 4, type: !16, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
!16 = !DISubroutineType(types: !17)
!17 = !{null}
!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
!20 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!21 = !DILocation(line: 0, scope: !15)
!22 = !DILocalVariable(name: "x", scope: !15, file: !1, line: 5, type: !20)
!23 = !DILocation(line: 7, column: 5, scope: !15)
!24 = !DILocation(line: 8, column: 1, scope: !15)
;.
; DYNAMIC-SHADOW: attributes #[[ATTR0]] = { sanitize_hwaddress }
; DYNAMIC-SHADOW: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
; DYNAMIC-SHADOW: attributes #[[ATTR2:[0-9]+]] = { nounwind }
; DYNAMIC-SHADOW: attributes #[[ATTR3:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
; DYNAMIC-SHADOW: attributes #[[ATTR4:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
;.
; ZERO-BASED-SHADOW: attributes #[[ATTR0]] = { sanitize_hwaddress }
; ZERO-BASED-SHADOW: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
; ZERO-BASED-SHADOW: attributes #[[ATTR2:[0-9]+]] = { nounwind }
; ZERO-BASED-SHADOW: attributes #[[ATTR3:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
; ZERO-BASED-SHADOW: attributes #[[ATTR4:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
;.
; DYNAMIC-SHADOW: [[META0:![0-9]+]] = !{ptr @hwasan.note}
; DYNAMIC-SHADOW: [[META1:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !2, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, splitDebugInlining: false, nameTableKind: None)
; DYNAMIC-SHADOW: [[META2:![0-9]+]] = !DIFile(filename: "alloca.cpp", directory: "/")
; DYNAMIC-SHADOW: [[META3:![0-9]+]] = !{}
; DYNAMIC-SHADOW: [[META4:![0-9]+]] = !{i32 7, !"Dwarf Version", i32 4}
; DYNAMIC-SHADOW: [[META5:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
; DYNAMIC-SHADOW: [[META6:![0-9]+]] = !{!"clang version 13.0.0"}
; DYNAMIC-SHADOW: [[DBG7]] = distinct !DISubprogram(name: "test_alloca", linkageName: "_Z11test_allocav", scope: !2, file: !2, line: 4, type: !8, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !3)
; DYNAMIC-SHADOW: [[META8:![0-9]+]] = !DISubroutineType(types: !9)
; DYNAMIC-SHADOW: [[META9:![0-9]+]] = !{null}
; DYNAMIC-SHADOW: [[DBG10]] = !DILocation(line: 7, column: 5, scope: !7)
; DYNAMIC-SHADOW: [[META11]] = !DILocalVariable(name: "x", scope: !7, file: !2, line: 5, type: !12)
; DYNAMIC-SHADOW: [[META12:![0-9]+]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
; DYNAMIC-SHADOW: [[DBG13]] = !DILocation(line: 0, scope: !7)
; DYNAMIC-SHADOW: [[DBG14]] = !DILocation(line: 8, column: 1, scope: !7)
;.
; ZERO-BASED-SHADOW: [[META0:![0-9]+]] = !{ptr @hwasan.note}
; ZERO-BASED-SHADOW: [[META1:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !2, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, splitDebugInlining: false, nameTableKind: None)
; ZERO-BASED-SHADOW: [[META2:![0-9]+]] = !DIFile(filename: "alloca.cpp", directory: "/")
; ZERO-BASED-SHADOW: [[META3:![0-9]+]] = !{}
; ZERO-BASED-SHADOW: [[META4:![0-9]+]] = !{i32 7, !"Dwarf Version", i32 4}
; ZERO-BASED-SHADOW: [[META5:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
; ZERO-BASED-SHADOW: [[META6:![0-9]+]] = !{!"clang version 13.0.0"}
; ZERO-BASED-SHADOW: [[DBG7]] = distinct !DISubprogram(name: "test_alloca", linkageName: "_Z11test_allocav", scope: !2, file: !2, line: 4, type: !8, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !3)
; ZERO-BASED-SHADOW: [[META8:![0-9]+]] = !DISubroutineType(types: !9)
; ZERO-BASED-SHADOW: [[META9:![0-9]+]] = !{null}
; ZERO-BASED-SHADOW: [[DBG10]] = !DILocation(line: 7, column: 5, scope: !7)
; ZERO-BASED-SHADOW: [[META11]] = !DILocalVariable(name: "x", scope: !7, file: !2, line: 5, type: !12)
; ZERO-BASED-SHADOW: [[META12:![0-9]+]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
; ZERO-BASED-SHADOW: [[DBG13]] = !DILocation(line: 0, scope: !7)
; ZERO-BASED-SHADOW: [[DBG14]] = !DILocation(line: 8, column: 1, scope: !7)
;.