llvm/test/Instrumentation/SanitizerCoverage/missing_dbg_stack_depth.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=1 -sanitizer-coverage-stack-depth -sanitizer-coverage-stack-depth-callback-min=1 -S | FileCheck %s --check-prefix=CHECK-STACK-CALLBACK
; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=1 -sanitizer-coverage-stack-depth -S | FileCheck %s --check-prefix=CHECK-STACK-DEPTH

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

define i32 @with_dbg(ptr %a) !dbg !6 {
; CHECK-STACK-CALLBACK-LABEL: define i32 @with_dbg(
; CHECK-STACK-CALLBACK-SAME: ptr [[A:%.*]]) !dbg [[DBG3:![0-9]+]] {
; CHECK-STACK-CALLBACK-NEXT:  [[ENTRY:.*:]]
; CHECK-STACK-CALLBACK-NEXT:    [[BUF:%.*]] = alloca [64 x i8], align 1
; CHECK-STACK-CALLBACK-NEXT:    call void @__sanitizer_cov_stack_depth() #[[ATTR0:[0-9]+]], !dbg [[DBG6:![0-9]+]]
; CHECK-STACK-CALLBACK-NEXT:    [[T:%.*]] = load i32, ptr [[A]], align 4
; CHECK-STACK-CALLBACK-NEXT:    call void @external_func()
; CHECK-STACK-CALLBACK-NEXT:    ret i32 [[T]]
;
; CHECK-STACK-DEPTH-LABEL: define i32 @with_dbg(
; CHECK-STACK-DEPTH-SAME: ptr [[A:%.*]]) !dbg [[DBG3:![0-9]+]] {
; CHECK-STACK-DEPTH-NEXT:  [[ENTRY:.*:]]
; CHECK-STACK-DEPTH-NEXT:    [[BUF:%.*]] = alloca [64 x i8], align 1
; CHECK-STACK-DEPTH-NEXT:    [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0), !dbg [[DBG6:![0-9]+]]
; CHECK-STACK-DEPTH-NEXT:    [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64, !dbg [[DBG6]]
; CHECK-STACK-DEPTH-NEXT:    [[TMP2:%.*]] = load i64, ptr @__sancov_lowest_stack, align 8, !dbg [[DBG6]], !nosanitize [[META5:![0-9]+]]
; CHECK-STACK-DEPTH-NEXT:    [[TMP3:%.*]] = icmp ult i64 [[TMP1]], [[TMP2]], !dbg [[DBG6]]
; CHECK-STACK-DEPTH-NEXT:    br i1 [[TMP3]], label %[[BB4:.*]], label %[[BB5:.*]], !prof [[PROF7:![0-9]+]]
; CHECK-STACK-DEPTH:       [[BB4]]:
; CHECK-STACK-DEPTH-NEXT:    store i64 [[TMP1]], ptr @__sancov_lowest_stack, align 8, !dbg [[DBG6]], !nosanitize [[META5]]
; CHECK-STACK-DEPTH-NEXT:    br label %[[BB5]]
; CHECK-STACK-DEPTH:       [[BB5]]:
; CHECK-STACK-DEPTH-NEXT:    [[T:%.*]] = load i32, ptr [[A]], align 4
; CHECK-STACK-DEPTH-NEXT:    call void @external_func()
; CHECK-STACK-DEPTH-NEXT:    ret i32 [[T]]
;
entry:
  %buf = alloca [64 x i8], align 1
  %t = load i32, ptr %a, align 4
  call void @external_func()
  ret i32 %t
}

define i32 @without_dbg(ptr %a) {
; CHECK-STACK-CALLBACK-LABEL: define i32 @without_dbg(
; CHECK-STACK-CALLBACK-SAME: ptr [[A:%.*]]) {
; CHECK-STACK-CALLBACK-NEXT:  [[ENTRY:.*:]]
; CHECK-STACK-CALLBACK-NEXT:    [[BUF:%.*]] = alloca [64 x i8], align 1
; CHECK-STACK-CALLBACK-NEXT:    call void @__sanitizer_cov_stack_depth() #[[ATTR0]]
; CHECK-STACK-CALLBACK-NEXT:    [[T:%.*]] = load i32, ptr [[A]], align 4
; CHECK-STACK-CALLBACK-NEXT:    call void @external_func()
; CHECK-STACK-CALLBACK-NEXT:    ret i32 [[T]]
;
; CHECK-STACK-DEPTH-LABEL: define i32 @without_dbg(
; CHECK-STACK-DEPTH-SAME: ptr [[A:%.*]]) {
; CHECK-STACK-DEPTH-NEXT:  [[ENTRY:.*:]]
; CHECK-STACK-DEPTH-NEXT:    [[BUF:%.*]] = alloca [64 x i8], align 1
; CHECK-STACK-DEPTH-NEXT:    [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
; CHECK-STACK-DEPTH-NEXT:    [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64
; CHECK-STACK-DEPTH-NEXT:    [[TMP2:%.*]] = load i64, ptr @__sancov_lowest_stack, align 8, !nosanitize [[META5]]
; CHECK-STACK-DEPTH-NEXT:    [[TMP3:%.*]] = icmp ult i64 [[TMP1]], [[TMP2]]
; CHECK-STACK-DEPTH-NEXT:    br i1 [[TMP3]], label %[[BB4:.*]], label %[[BB5:.*]], !prof [[PROF7]]
; CHECK-STACK-DEPTH:       [[BB4]]:
; CHECK-STACK-DEPTH-NEXT:    store i64 [[TMP1]], ptr @__sancov_lowest_stack, align 8, !nosanitize [[META5]]
; CHECK-STACK-DEPTH-NEXT:    br label %[[BB5]]
; CHECK-STACK-DEPTH:       [[BB5]]:
; CHECK-STACK-DEPTH-NEXT:    [[T:%.*]] = load i32, ptr [[A]], align 4
; CHECK-STACK-DEPTH-NEXT:    call void @external_func()
; CHECK-STACK-DEPTH-NEXT:    ret i32 [[T]]
;
entry:
  %buf = alloca [64 x i8], align 1
  %t = load i32, ptr %a, align 4
  call void @external_func()
  ret i32 %t
}

declare void @external_func()

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!2}

!0 = distinct !DICompileUnit(language: DW_LANG_C89, file: !1, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None)
!1 = !DIFile(filename: "foo.c", directory: "")
!2 = !{i32 2, !"Debug Info Version", i32 3}
!4 = !DISubroutineType(types: !5)
!5 = !{}
!6 = distinct !DISubprogram(name: "with_dbg", scope: !1, file: !1, line: 200, type: !4, scopeLine: 200, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0)
;.
; CHECK-STACK-CALLBACK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C89, file: [[META1:![0-9]+]], isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None)
; CHECK-STACK-CALLBACK: [[META1]] = !DIFile(filename: "{{.*}}foo.c", directory: {{.*}})
; CHECK-STACK-CALLBACK: [[DBG3]] = distinct !DISubprogram(name: "with_dbg", scope: [[META1]], file: [[META1]], line: 200, type: [[META4:![0-9]+]], scopeLine: 200, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]])
; CHECK-STACK-CALLBACK: [[META4]] = !DISubroutineType(types: [[META5:![0-9]+]])
; CHECK-STACK-CALLBACK: [[META5]] = !{}
; CHECK-STACK-CALLBACK: [[DBG6]] = !DILocation(line: 200, scope: [[DBG3]])
;.
; CHECK-STACK-DEPTH: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C89, file: [[META1:![0-9]+]], isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None)
; CHECK-STACK-DEPTH: [[META1]] = !DIFile(filename: "{{.*}}foo.c", directory: {{.*}})
; CHECK-STACK-DEPTH: [[DBG3]] = distinct !DISubprogram(name: "with_dbg", scope: [[META1]], file: [[META1]], line: 200, type: [[META4:![0-9]+]], scopeLine: 200, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]])
; CHECK-STACK-DEPTH: [[META4]] = !DISubroutineType(types: [[META5]])
; CHECK-STACK-DEPTH: [[META5]] = !{}
; CHECK-STACK-DEPTH: [[DBG6]] = !DILocation(line: 200, scope: [[DBG3]])
; CHECK-STACK-DEPTH: [[PROF7]] = !{!"branch_weights", i32 1, i32 1048575}
;.