llvm/test/Instrumentation/InstrProfiling/debug-info-correlate.ll

   1 ; RUN: opt < %s -passes=instrprof -debug-info-correlate -S > %t.ll
   2 ; RUN: FileCheck < %t.ll --implicit-check-not "{{__llvm_prf_data|__llvm_prf_names}}" %s
   3 ; RUN: %llc_dwarf -O0 -filetype=obj < %t.ll | llvm-dwarfdump - | FileCheck --implicit-check-not "{{DW_TAG|NULL}}" %s --check-prefix CHECK-DWARF
   4
   5 ; REQUIRES: target={{.*-linux.*}}, object-emission
   6
   7 @__profn_foo = private constant [3 x i8] c"foo"
   8 ; CHECK:      @__profc_foo =
   9 ; CHECK-SAME: !dbg ![[EXPR:[0-9]+]]
  10
  11 ; CHECK:      ![[EXPR]] = !DIGlobalVariableExpression(var: ![[GLOBAL:[0-9]+]]
  12 ; CHECK:      ![[GLOBAL]] = {{.*}} !DIGlobalVariable(name: "__profc_foo"
  13 ; CHECK-SAME: scope: ![[SCOPE:[0-9]+]]
  14 ; CHECK-SAME: annotations: ![[ANNOTATIONS:[0-9]+]]
  15 ; CHECK:      ![[SCOPE]] = {{.*}} !DISubprogram(name: "foo"
  16 ; CHECK:      ![[ANNOTATIONS]] = !{![[NAME:[0-9]+]], ![[HASH:[0-9]+]], ![[COUNTERS:[0-9]+]]}
  17 ; CHECK:      ![[NAME]] = !{!"Function Name", !"foo"}
  18 ; CHECK:      ![[HASH]] = !{!"CFG Hash", i64 12345678}
  19 ; CHECK:      ![[COUNTERS]] = !{!"Num Counters", i32 2}
  20
  21 define void @_Z3foov() !dbg !12 {
  22   call void @llvm.instrprof.increment(ptr @__profn_foo, i64 12345678, i32 2, i32 0)
  23   ret void
  24 }
  25
  26 declare void @llvm.instrprof.increment(ptr, i64, i32, i32)
  27
  28 !llvm.dbg.cu = !{!0}
  29 !llvm.module.flags = !{!2, !3, !4, !5, !6, !7, !8, !9, !10}
  30 !llvm.ident = !{!11}
  31
  32 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 14.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
  33 !1 = !DIFile(filename: "debug-info-correlate.cpp", directory: "")
  34 !2 = !{i32 7, !"Dwarf Version", i32 4}
  35 !3 = !{i32 2, !"Debug Info Version", i32 3}
  36 !4 = !{i32 1, !"wchar_size", i32 4}
  37 !5 = !{i32 8, !"branch-target-enforcement", i32 0}
  38 !6 = !{i32 8, !"sign-return-address", i32 0}
  39 !7 = !{i32 8, !"sign-return-address-all", i32 0}
  40 !8 = !{i32 8, !"sign-return-address-with-bkey", i32 0}
  41 !9 = !{i32 7, !"uwtable", i32 1}
  42 !10 = !{i32 7, !"frame-pointer", i32 1}
  43 !11 = !{!"clang version 14.0.0"}
  44 !12 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !13, file: !13, line: 1, type: !14, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !16)
  45 !13 = !DIFile(filename: "debug-info-correlate.cpp", directory: "")
  46 !14 = !DISubroutineType(types: !15)
  47 !15 = !{null}
  48 !16 = !{}
  49
  50 ; CHECK-DWARF: DW_TAG_compile_unit
  51 ; CHECK-DWARF:   DW_TAG_subprogram
  52 ; CHECK-DWARF:     DW_AT_name   ("foo")
  53 ; CHECK-DWARF:     DW_TAG_variable
  54 ; CHECK-DWARF:       DW_AT_name ("__profc_foo")
  55 ; CHECK-DWARF:       DW_AT_type ({{.*}} "Profile Data Type")
  56 ; CHECK-DWARF:       DW_TAG_LLVM_annotation
  57 ; CHECK-DWARF:         DW_AT_name       ("Function Name")
  58 ; CHECK-DWARF:         DW_AT_const_value        ("foo")
  59 ; CHECK-DWARF:       DW_TAG_LLVM_annotation
  60 ; CHECK-DWARF:         DW_AT_name       ("CFG Hash")
  61 ; CHECK-DWARF:         DW_AT_const_value        (12345678)
  62 ; CHECK-DWARF:       DW_TAG_LLVM_annotation
  63 ; CHECK-DWARF:         DW_AT_name       ("Num Counters")
  64 ; CHECK-DWARF:         DW_AT_const_value        (2)
  65 ; CHECK-DWARF:       NULL
  66 ; CHECK-DWARF:     NULL
  67 ; CHECK-DWARF:   DW_TAG_unspecified_type
  68 ; CHECK-DWARF:   NULL