; LLVM IR from trabucayre/openFPGALoader :: src/gowin.ll (ZN5Gowin8checkCRCEv)

; Unoptimized IR (clang -disable-llvm-passes):
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"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator.0" = type { i8 }
%class.Gowin = type { %class.Device.base, %class.SPIInterface, %"class.std::unique_ptr", %"class.std::unique_ptr", %"class.std::unique_ptr", i32, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i32, i32 }
%class.Device.base = type <{ ptr, ptr, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", i32, i8, i8, i8 }>
%class.SPIInterface = type { ptr, i8, i32, i8, i8, i8, %"class.std::__cxx11::basic_string" }
%"class.std::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base.68" }
%"struct.std::_Head_base.68" = type { ptr }

@_ZTISt9exception = external constant ptr
@.str.590 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.591 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.592 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.593 = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: nounwind memory(none)
declare i32 @llvm.eh.typeid.for.p0(ptr) #3

declare ptr @__cxa_begin_catch(ptr)

declare void @__cxa_end_catch()

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI21ConfigBitstreamParserSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

declare void @_Z10printErrorRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr noundef nonnull align 8 dereferenceable(32), i1 noundef zeroext) #4

declare void @_Z12printSuccessRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr noundef nonnull align 8 dereferenceable(32), i1 noundef zeroext) #4

declare void @_ZN21ConfigBitstreamParser12getHeaderValENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(160), ptr noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: nounwind
declare i32 @snprintf(ptr noundef, i64 noundef, ptr noundef, ...) #5

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5Gowin8checkCRCEv(ptr noundef nonnull align 8 dereferenceable(192) %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i16, align 2
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::allocator.0", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca [256 x i8], align 16
  %13 = alloca %"class.std::__cxx11::basic_string", align 8
  %14 = alloca %"class.std::allocator.0", align 1
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca %"class.std::allocator.0", align 1
  %17 = alloca %"class.std::__cxx11::basic_string", align 8
  %18 = alloca %"class.std::allocator.0", align 1
  store ptr %0, ptr %2, align 8, !tbaa !5
  %19 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %20 = call noundef i32 @_ZN5Gowin12readUserCodeEv(ptr noundef nonnull align 8 dereferenceable(192) %19)
  store i32 %20, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 2, ptr %4) #6
  %21 = getelementptr inbounds %class.Gowin, ptr %19, i32 0, i32 2
  %22 = call noundef ptr @_ZNKSt10unique_ptrI21ConfigBitstreamParserSt14default_deleteIS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #6
  %23 = call noundef zeroext i16 @_ZN8FsParser8checksumEv(ptr noundef nonnull align 8 dereferenceable(208) %22)
  store i16 %23, ptr %4, align 2, !tbaa !11
  %24 = load i32, ptr %3, align 4, !tbaa !9
  %25 = and i32 65535, %24
  %26 = trunc i32 %25 to i16
  %27 = zext i16 %26 to i32
  %28 = load i16, ptr %4, align 2, !tbaa !11
  %29 = zext i16 %28 to i32
  %30 = icmp eq i32 %27, %29
  br i1 %30, label %31, label %32

31:                                               ; preds = %1
  br label %95

32:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #6
  %33 = getelementptr inbounds %class.Gowin, ptr %19, i32 0, i32 2
  %34 = call noundef ptr @_ZNKSt10unique_ptrI21ConfigBitstreamParserSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %33) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef @.str.590, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %35 unwind label %45

35:                                               ; preds = %32
  invoke void @_ZN21ConfigBitstreamParser12getHeaderValENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(160) %34, ptr noundef %6)
          to label %36 unwind label %49

36:                                               ; preds = %35
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  %37 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  br i1 %37, label %73, label %38

38:                                               ; preds = %36
  %39 = load i32, ptr %3, align 4, !tbaa !9
  %40 = zext i32 %39 to i64
  %41 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  %42 = call i64 @strtol(ptr noundef %41, ptr noundef null, i32 noundef 16) #6
  %43 = icmp eq i64 %40, %42
  br i1 %43, label %44, label %72

44:                                               ; preds = %38
  store i32 2, ptr %10, align 4
  br label %74

45:                                               ; preds = %32
  %46 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTISt9exception
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %8, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %9, align 4
  br label %53

49:                                               ; preds = %35
  %50 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTISt9exception
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %8, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  br label %53

53:                                               ; preds = %49, %45
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #6
  br label %54

54:                                               ; preds = %53
  %55 = load i32, ptr %9, align 4
  %56 = call i32 @llvm.eh.typeid.for.p0(ptr @_ZTISt9exception) #6
  %57 = icmp eq i32 %55, %56
  br i1 %57, label %58, label %108

58:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %59 = load ptr, ptr %8, align 8
  %60 = call ptr @__cxa_begin_catch(ptr %59) #6
  store ptr %60, ptr %11, align 8
  call void @__cxa_end_catch()
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %61

61:                                               ; preds = %76, %58
  %62 = getelementptr inbounds [256 x i8], ptr %12, i64 0, i64 0
  %63 = load i32, ptr %3, align 4, !tbaa !9
  %64 = load i16, ptr %4, align 2, !tbaa !11
  %65 = zext i16 %64 to i32
  %66 = call i32 (ptr, i64, ptr, ...) @snprintf(ptr noundef %62, i64 noundef 256, ptr noundef @.str.591, i32 noundef %63, i32 noundef %65) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %13) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %13, ptr noundef @.str.592, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %67 unwind label %77

67:                                               ; preds = %61
  invoke void @_Z10printErrorRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr noundef nonnull align 8 dereferenceable(32) %13, i1 noundef zeroext true)
          to label %68 unwind label %81

68:                                               ; preds = %67
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #6
  %69 = getelementptr inbounds [256 x i8], ptr %12, i64 0, i64 0
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %15, ptr noundef %69, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %70 unwind label %86

70:                                               ; preds = %68
  invoke void @_Z10printErrorRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr noundef nonnull align 8 dereferenceable(32) %15, i1 noundef zeroext true)
          to label %71 unwind label %90

71:                                               ; preds = %70
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #6
  store i32 1, ptr %10, align 4
  br label %107

72:                                               ; preds = %38
  br label %73

73:                                               ; preds = %72, %36
  store i32 0, ptr %10, align 4
  br label %74

74:                                               ; preds = %73, %44
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #6
  %75 = load i32, ptr %10, align 4
  switch i32 %75, label %107 [
    i32 0, label %76
    i32 2, label %95
  ]

76:                                               ; preds = %74
  br label %61

77:                                               ; preds = %61
  %78 = landingpad { ptr, i32 }
          cleanup
  %79 = extractvalue { ptr, i32 } %78, 0
  store ptr %79, ptr %8, align 8
  %80 = extractvalue { ptr, i32 } %78, 1
  store i32 %80, ptr %9, align 4
  br label %85

81:                                               ; preds = %67
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %8, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #6
  br label %85

85:                                               ; preds = %81, %77
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #6
  br label %108

86:                                               ; preds = %68
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %8, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %9, align 4
  br label %94

90:                                               ; preds = %70
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %8, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #6
  br label %94

94:                                               ; preds = %90, %86
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #6
  br label %108

95:                                               ; preds = %74, %31
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %17, ptr noundef @.str.593, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %96 unwind label %98

96:                                               ; preds = %95
  invoke void @_Z12printSuccessRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr noundef nonnull align 8 dereferenceable(32) %17, i1 noundef zeroext true)
          to label %97 unwind label %102

97:                                               ; preds = %96
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #6
  store i32 1, ptr %10, align 4
  br label %107

98:                                               ; preds = %95
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %8, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %9, align 4
  br label %106

102:                                              ; preds = %96
  %103 = landingpad { ptr, i32 }
          cleanup
  %104 = extractvalue { ptr, i32 } %103, 0
  store ptr %104, ptr %8, align 8
  %105 = extractvalue { ptr, i32 } %103, 1
  store i32 %105, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #6
  br label %106

106:                                              ; preds = %102, %98
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #6
  br label %108

107:                                              ; preds = %97, %74, %71
  call void @llvm.lifetime.end.p0(i64 2, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  ret void

108:                                              ; preds = %106, %94, %85, %54
  call void @llvm.lifetime.end.p0(i64 2, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %109

109:                                              ; preds = %108
  %110 = load ptr, ptr %8, align 8
  %111 = load i32, ptr %9, align 4
  %112 = insertvalue { ptr, i32 } poison, ptr %110, 0
  %113 = insertvalue { ptr, i32 } %112, i32 %111, 1
  resume { ptr, i32 } %113
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN5Gowin12readUserCodeEv(ptr noundef nonnull align 8 dereferenceable(192)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI21ConfigBitstreamParserSt14default_deleteIS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i16 @_ZN8FsParser8checksumEv(ptr noundef nonnull align 8 dereferenceable(208)) #1 align 2

; Function Attrs: nounwind
declare i64 @strtol(ptr noundef, ptr noundef, i32 noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind memory(none) }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}


; Optimized IR (opt -passes='default<O3>'):
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"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator.0" = type { i8 }

@_ZTISt9exception = external constant ptr
@.str.590 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.591 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.592 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.593 = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: nofree nosync nounwind memory(none)
declare i32 @llvm.eh.typeid.for.p0(ptr) #3

declare ptr @__cxa_begin_catch(ptr) local_unnamed_addr

declare void @__cxa_end_catch() local_unnamed_addr

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI21ConfigBitstreamParserSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

declare void @_Z10printErrorRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr noundef nonnull align 8 dereferenceable(32), i1 noundef zeroext) local_unnamed_addr #4

declare void @_Z12printSuccessRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr noundef nonnull align 8 dereferenceable(32), i1 noundef zeroext) local_unnamed_addr #4

declare void @_ZN21ConfigBitstreamParser12getHeaderValENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(160), ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @snprintf(ptr noalias nocapture noundef writeonly, i64 noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5Gowin8checkCRCEv(ptr noundef nonnull align 8 dereferenceable(192) %0) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator.0", align 1
  %5 = alloca [256 x i8], align 16
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::allocator.0", align 1
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::allocator.0", align 1
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  %11 = alloca %"class.std::allocator.0", align 1
  %12 = tail call noundef i32 @_ZN5Gowin12readUserCodeEv(ptr noundef nonnull align 8 dereferenceable(192) %0)
  %13 = getelementptr inbounds i8, ptr %0, i64 144
  %14 = tail call noundef ptr @_ZNKSt10unique_ptrI21ConfigBitstreamParserSt14default_deleteIS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  %15 = tail call noundef zeroext i16 @_ZN8FsParser8checksumEv(ptr noundef nonnull align 8 dereferenceable(208) %14)
  %16 = zext i16 %15 to i32
  %17 = trunc i32 %12 to i16
  %18 = icmp eq i16 %15, %17
  br i1 %18, label %55, label %19

19:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #7
  %20 = tail call noundef ptr @_ZNKSt10unique_ptrI21ConfigBitstreamParserSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str.590, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %21 unwind label %29

21:                                               ; preds = %19
  invoke void @_ZN21ConfigBitstreamParser12getHeaderValENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %2, ptr noundef nonnull align 8 dereferenceable(160) %20, ptr noundef nonnull %3)
          to label %22 unwind label %31

22:                                               ; preds = %21
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  %23 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  br i1 %23, label %.thread, label %24

24:                                               ; preds = %22
  %25 = zext i32 %12 to i64
  %26 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %27 = call i64 @strtol(ptr nocapture noundef %26, ptr noundef null, i32 noundef 16) #7
  %28 = icmp eq i64 %27, %25
  br i1 %28, label %44, label %.thread

29:                                               ; preds = %19
  %30 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTISt9exception
  br label %33

31:                                               ; preds = %21
  %32 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTISt9exception
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  br label %33

33:                                               ; preds = %31, %29
  %.pn = phi { ptr, i32 } [ %32, %31 ], [ %30, %29 ]
  %.011 = extractvalue { ptr, i32 } %.pn, 1
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  %34 = call i32 @llvm.eh.typeid.for.p0(ptr nonnull @_ZTISt9exception) #7
  %35 = icmp eq i32 %.011, %34
  br i1 %35, label %36, label %64

36:                                               ; preds = %33
  %.0 = extractvalue { ptr, i32 } %.pn, 0
  %37 = call ptr @__cxa_begin_catch(ptr %.0) #7
  call void @__cxa_end_catch()
  br label %38

38:                                               ; preds = %.thread, %36
  %39 = call i32 (ptr, i64, ptr, ...) @snprintf(ptr noundef nonnull dereferenceable(1) %5, i64 noundef 256, ptr noundef nonnull @.str.591, i32 noundef %12, i32 noundef %16) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @.str.592, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %40 unwind label %45

40:                                               ; preds = %38
  invoke void @_Z10printErrorRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr noundef nonnull align 8 dereferenceable(32) %6, i1 noundef zeroext true)
          to label %41 unwind label %47

41:                                               ; preds = %40
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull %5, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %42 unwind label %50

42:                                               ; preds = %41
  invoke void @_Z10printErrorRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr noundef nonnull align 8 dereferenceable(32) %8, i1 noundef zeroext true)
          to label %43 unwind label %52

43:                                               ; preds = %42
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #7
  br label %63

.thread:                                          ; preds = %22, %24
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  br label %38

44:                                               ; preds = %24
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  br label %55

45:                                               ; preds = %38
  %46 = landingpad { ptr, i32 }
          cleanup
  br label %49

47:                                               ; preds = %40
  %48 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  br label %49

49:                                               ; preds = %47, %45
  %.pn18 = phi { ptr, i32 } [ %48, %47 ], [ %46, %45 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  br label %64

50:                                               ; preds = %41
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %54

52:                                               ; preds = %42
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  br label %54

54:                                               ; preds = %52, %50
  %.pn20 = phi { ptr, i32 } [ %53, %52 ], [ %51, %50 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #7
  br label %64

55:                                               ; preds = %44, %1
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %10) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef nonnull @.str.593, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %56 unwind label %58

56:                                               ; preds = %55
  invoke void @_Z12printSuccessRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr noundef nonnull align 8 dereferenceable(32) %10, i1 noundef zeroext true)
          to label %57 unwind label %60

57:                                               ; preds = %56
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #7
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #7
  br label %63

58:                                               ; preds = %55
  %59 = landingpad { ptr, i32 }
          cleanup
  br label %62

60:                                               ; preds = %56
  %61 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #7
  br label %62

62:                                               ; preds = %60, %58
  %.pn22 = phi { ptr, i32 } [ %61, %60 ], [ %59, %58 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #7
  br label %64

63:                                               ; preds = %57, %43
  ret void

64:                                               ; preds = %62, %54, %49, %33
  %.merged = phi { ptr, i32 } [ %.pn22, %62 ], [ %.pn20, %54 ], [ %.pn18, %49 ], [ %.pn, %33 ]
  resume { ptr, i32 } %.merged
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN5Gowin12readUserCodeEv(ptr noundef nonnull align 8 dereferenceable(192)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI21ConfigBitstreamParserSt14default_deleteIS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i16 @_ZN8FsParser8checksumEv(ptr noundef nonnull align 8 dereferenceable(208)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nofree nounwind willreturn
declare i64 @strtol(ptr noundef readonly, ptr nocapture noundef, i32 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nofree nosync nounwind memory(none) }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { mustprogress nofree nounwind willreturn "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,SROAPass,SimplifyCFGPass,TailCallElimPass