; LLVM IR from respeaker/respeakerd :: libs/cppcodec/tool (base32dec)

; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"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] }

@_ZTIN8cppcodec11parse_errorE = external dso_local constant { ptr, ptr, ptr }, align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca ptr, align 8
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #9
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %119, %2
  %15 = load i32, ptr %6, align 4, !tbaa !5
  %16 = load i32, ptr %4, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #9
  br label %128

19:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #9
  %20 = load ptr, ptr %5, align 8, !tbaa !9
  %21 = load i32, ptr %6, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds ptr, ptr %20, i64 %22
  %24 = load ptr, ptr %23, align 8, !tbaa !9
  %25 = call i64 @strlen(ptr noundef %24) #10
  store i64 %25, ptr %7, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #9
  %26 = load ptr, ptr %5, align 8, !tbaa !9
  %27 = load i32, ptr %6, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds ptr, ptr %26, i64 %28
  %30 = load ptr, ptr %29, align 8, !tbaa !9
  %31 = load i64, ptr %7, align 8, !tbaa !11
  invoke void @_ZN8cppcodec6detail5codecINS0_6base32INS0_16base32_crockfordEEEE6decodeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEET_PKcm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef %30, i64 noundef %31)
          to label %32 unwind label %37

32:                                               ; preds = %19
  %33 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %34 unwind label %41

34:                                               ; preds = %32
  %35 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %33, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %36 unwind label %41

36:                                               ; preds = %34
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #9
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #9
  br label %69

37:                                               ; preds = %19
  %38 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTIN8cppcodec11parse_errorE
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %9, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %10, align 4
  br label %45

41:                                               ; preds = %34, %32
  %42 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTIN8cppcodec11parse_errorE
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %9, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #9
  br label %45

45:                                               ; preds = %41, %37
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #9
  br label %46

46:                                               ; preds = %45
  %47 = load i32, ptr %10, align 4
  %48 = call i32 @llvm.eh.typeid.for.p0(ptr @_ZTIN8cppcodec11parse_errorE) #9
  %49 = icmp eq i32 %47, %48
  br i1 %49, label %50, label %127

50:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #9
  %51 = load ptr, ptr %9, align 8
  %52 = call ptr @__cxa_begin_catch(ptr %51) #9
  store ptr %52, ptr %11, align 8
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %54 unwind label %81

54:                                               ; preds = %50
  %55 = load i32, ptr %6, align 4, !tbaa !5
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %53, i32 noundef %55)
          to label %57 unwind label %81

57:                                               ; preds = %54
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef @.str.1)
          to label %59 unwind label %81

59:                                               ; preds = %57
  %60 = load ptr, ptr %11, align 8, !tbaa !9
  %61 = load ptr, ptr %60, align 8, !tbaa !13
  %62 = getelementptr inbounds ptr, ptr %61, i64 2
  %63 = load ptr, ptr %62, align 8
  %64 = call noundef ptr %63(ptr noundef nonnull align 8 dereferenceable(16) %60) #9
  %65 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef %64)
          to label %66 unwind label %81

66:                                               ; preds = %59
  %67 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %65, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %68 unwind label %81

68:                                               ; preds = %66
  call void @__cxa_end_catch()
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #9
  br label %69

69:                                               ; preds = %68, %36
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #9
  %70 = load ptr, ptr %5, align 8, !tbaa !9
  %71 = load i32, ptr %6, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds ptr, ptr %70, i64 %72
  %74 = load ptr, ptr %73, align 8, !tbaa !9
  %75 = load i64, ptr %7, align 8, !tbaa !11
  invoke void @_ZN8cppcodec6detail5codecINS0_6base32INS0_14base32_rfc4648EEEE6decodeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEET_PKcm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %12, ptr noundef %74, i64 noundef %75)
          to label %76 unwind label %86

76:                                               ; preds = %69
  %77 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %78 unwind label %90

78:                                               ; preds = %76
  %79 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %77, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %80 unwind label %90

80:                                               ; preds = %78
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #9
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #9
  br label %118

81:                                               ; preds = %66, %59, %57, %54, %50
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %9, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %10, align 4
  invoke void @__cxa_end_catch()
          to label %85 unwind label %134

85:                                               ; preds = %81
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #9
  br label %127

86:                                               ; preds = %69
  %87 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTIN8cppcodec11parse_errorE
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %9, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %10, align 4
  br label %94

90:                                               ; preds = %78, %76
  %91 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTIN8cppcodec11parse_errorE
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %9, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #9
  br label %94

94:                                               ; preds = %90, %86
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #9
  br label %95

95:                                               ; preds = %94
  %96 = load i32, ptr %10, align 4
  %97 = call i32 @llvm.eh.typeid.for.p0(ptr @_ZTIN8cppcodec11parse_errorE) #9
  %98 = icmp eq i32 %96, %97
  br i1 %98, label %99, label %127

99:                                               ; preds = %95
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #9
  %100 = load ptr, ptr %9, align 8
  %101 = call ptr @__cxa_begin_catch(ptr %100) #9
  store ptr %101, ptr %13, align 8
  %102 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %103 unwind label %122

103:                                              ; preds = %99
  %104 = load i32, ptr %6, align 4, !tbaa !5
  %105 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %102, i32 noundef %104)
          to label %106 unwind label %122

106:                                              ; preds = %103
  %107 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %105, ptr noundef @.str.1)
          to label %108 unwind label %122

108:                                              ; preds = %106
  %109 = load ptr, ptr %13, align 8, !tbaa !9
  %110 = load ptr, ptr %109, align 8, !tbaa !13
  %111 = getelementptr inbounds ptr, ptr %110, i64 2
  %112 = load ptr, ptr %111, align 8
  %113 = call noundef ptr %112(ptr noundef nonnull align 8 dereferenceable(16) %109) #9
  %114 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %107, ptr noundef %113)
          to label %115 unwind label %122

115:                                              ; preds = %108
  %116 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %114, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %117 unwind label %122

117:                                              ; preds = %115
  call void @__cxa_end_catch()
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #9
  br label %118

118:                                              ; preds = %117, %80
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #9
  br label %119

119:                                              ; preds = %118
  %120 = load i32, ptr %6, align 4, !tbaa !5
  %121 = add nsw i32 %120, 1
  store i32 %121, ptr %6, align 4, !tbaa !5
  br label %14, !llvm.loop !15

122:                                              ; preds = %115, %108, %106, %103, %99
  %123 = landingpad { ptr, i32 }
          cleanup
  %124 = extractvalue { ptr, i32 } %123, 0
  store ptr %124, ptr %9, align 8
  %125 = extractvalue { ptr, i32 } %123, 1
  store i32 %125, ptr %10, align 4
  invoke void @__cxa_end_catch()
          to label %126 unwind label %134

126:                                              ; preds = %122
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #9
  br label %127

127:                                              ; preds = %126, %95, %85, %46
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #9
  br label %129

128:                                              ; preds = %18
  ret i32 0

129:                                              ; preds = %127
  %130 = load ptr, ptr %9, align 8
  %131 = load i32, ptr %10, align 4
  %132 = insertvalue { ptr, i32 } poison, ptr %130, 0
  %133 = insertvalue { ptr, i32 } %132, i32 %131, 1
  resume { ptr, i32 } %133

134:                                              ; preds = %122, %81
  %135 = landingpad { ptr, i32 }
          catch ptr null
  %136 = extractvalue { ptr, i32 } %135, 0
  call void @__clang_call_terminate(ptr %136) #11
  unreachable
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8cppcodec6detail5codecINS0_6base32INS0_16base32_crockfordEEEE6decodeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEET_PKcm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, i64 noundef) #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind memory(none)
declare i32 @llvm.eh.typeid.for.p0(ptr) #6

declare ptr @__cxa_begin_catch(ptr)

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #7

declare void @__cxa_end_catch()

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #8

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8cppcodec6detail5codecINS0_6base32INS0_14base32_rfc4648EEEE6decodeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEET_PKcm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, i64 noundef) #3 align 2

attributes #0 = { mustprogress norecurse 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind willreturn memory(read) "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 = { inlinehint 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 #4 = { 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 #5 = { 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 #6 = { nounwind memory(none) }
attributes #7 = { "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 #8 = { noinline noreturn nounwind uwtable "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 #9 = { nounwind }
attributes #10 = { nounwind willreturn memory(read) }
attributes #11 = { noreturn 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"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] }

@_ZTIN8cppcodec11parse_errorE = external dso_local constant { ptr, ptr, ptr }, align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = icmp sgt i32 %0, 1
  br i1 %5, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %2
  %wide.trip.count = zext nneg i32 %0 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %71, %2
  ret i32 0

.lr.ph:                                           ; preds = %.lr.ph.preheader, %71
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next, %71 ]
  %6 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %8 = call i64 @strlen(ptr noundef nonnull dereferenceable(1) %7) #9
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #10
  invoke void @_ZN8cppcodec6detail5codecINS0_6base32INS0_16base32_crockfordEEEE6decodeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEET_PKcm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef %7, i64 noundef %8)
          to label %9 unwind label %14

9:                                                ; preds = %.lr.ph
  %10 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %11 unwind label %16

11:                                               ; preds = %9
  %12 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %13 unwind label %16

13:                                               ; preds = %11
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #10
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #10
  br label %38

14:                                               ; preds = %.lr.ph
  %15 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTIN8cppcodec11parse_errorE
  br label %18

16:                                               ; preds = %11, %9
  %17 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTIN8cppcodec11parse_errorE
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #10
  br label %18

18:                                               ; preds = %16, %14
  %.pn = phi { ptr, i32 } [ %17, %16 ], [ %15, %14 ]
  %.021 = extractvalue { ptr, i32 } %.pn, 1
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #10
  %19 = call i32 @llvm.eh.typeid.for.p0(ptr nonnull @_ZTIN8cppcodec11parse_errorE) #10
  %20 = icmp eq i32 %.021, %19
  br i1 %20, label %21, label %.loopexit

21:                                               ; preds = %18
  %.020 = extractvalue { ptr, i32 } %.pn, 0
  %22 = call ptr @__cxa_begin_catch(ptr %.020) #10
  %23 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %24 unwind label %45

24:                                               ; preds = %21
  %25 = trunc nuw nsw i64 %indvars.iv to i32
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %23, i32 noundef %25)
          to label %27 unwind label %45

27:                                               ; preds = %24
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull @.str.1)
          to label %29 unwind label %45

29:                                               ; preds = %27
  %30 = load ptr, ptr %22, align 8, !tbaa !9
  %31 = getelementptr inbounds i8, ptr %30, i64 16
  %32 = load ptr, ptr %31, align 8
  %33 = call noundef ptr %32(ptr noundef nonnull align 8 dereferenceable(16) %22) #10
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %28, ptr noundef %33)
          to label %35 unwind label %45

35:                                               ; preds = %29
  %36 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %37 unwind label %45

37:                                               ; preds = %35
  call void @__cxa_end_catch()
  br label %38

38:                                               ; preds = %37, %13
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #10
  %39 = load ptr, ptr %6, align 8, !tbaa !5
  invoke void @_ZN8cppcodec6detail5codecINS0_6base32INS0_14base32_rfc4648EEEE6decodeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEET_PKcm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef %39, i64 noundef %8)
          to label %40 unwind label %47

40:                                               ; preds = %38
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %42 unwind label %49

42:                                               ; preds = %40
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %41, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %44 unwind label %49

44:                                               ; preds = %42
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #10
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #10
  br label %71

45:                                               ; preds = %35, %29, %27, %24, %21
  %46 = landingpad { ptr, i32 }
          cleanup
  invoke void @__cxa_end_catch()
          to label %.loopexit unwind label %74

47:                                               ; preds = %38
  %48 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTIN8cppcodec11parse_errorE
  br label %51

49:                                               ; preds = %42, %40
  %50 = landingpad { ptr, i32 }
          cleanup
          catch ptr @_ZTIN8cppcodec11parse_errorE
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #10
  br label %51

51:                                               ; preds = %49, %47
  %.pn25 = phi { ptr, i32 } [ %50, %49 ], [ %48, %47 ]
  %.122 = extractvalue { ptr, i32 } %.pn25, 1
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #10
  %52 = call i32 @llvm.eh.typeid.for.p0(ptr nonnull @_ZTIN8cppcodec11parse_errorE) #10
  %53 = icmp eq i32 %.122, %52
  br i1 %53, label %54, label %.loopexit

54:                                               ; preds = %51
  %.1 = extractvalue { ptr, i32 } %.pn25, 0
  %55 = call ptr @__cxa_begin_catch(ptr %.1) #10
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %57 unwind label %72

57:                                               ; preds = %54
  %58 = trunc nuw nsw i64 %indvars.iv to i32
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %56, i32 noundef %58)
          to label %60 unwind label %72

60:                                               ; preds = %57
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %59, ptr noundef nonnull @.str.1)
          to label %62 unwind label %72

62:                                               ; preds = %60
  %63 = load ptr, ptr %55, align 8, !tbaa !9
  %64 = getelementptr inbounds i8, ptr %63, i64 16
  %65 = load ptr, ptr %64, align 8
  %66 = call noundef ptr %65(ptr noundef nonnull align 8 dereferenceable(16) %55) #10
  %67 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %61, ptr noundef %66)
          to label %68 unwind label %72

68:                                               ; preds = %62
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %67, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %70 unwind label %72

70:                                               ; preds = %68
  call void @__cxa_end_catch()
  br label %71

71:                                               ; preds = %70, %44
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

72:                                               ; preds = %68, %62, %60, %57, %54
  %73 = landingpad { ptr, i32 }
          cleanup
  invoke void @__cxa_end_catch()
          to label %.loopexit unwind label %74

.loopexit:                                        ; preds = %51, %18, %72, %45
  %.merged = phi { ptr, i32 } [ %46, %45 ], [ %73, %72 ], [ %.pn, %18 ], [ %.pn25, %51 ]
  resume { ptr, i32 } %.merged

74:                                               ; preds = %72, %45
  %75 = landingpad { ptr, i32 }
          catch ptr null
  %76 = extractvalue { ptr, i32 } %75, 0
  call void @__clang_call_terminate(ptr %76) #11
  unreachable
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8cppcodec6detail5codecINS0_6base32INS0_16base32_crockfordEEEE6decodeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEET_PKcm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, i64 noundef) local_unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nosync nounwind memory(none)
declare i32 @llvm.eh.typeid.for.p0(ptr) #6

declare ptr @__cxa_begin_catch(ptr) local_unnamed_addr

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #7

declare void @__cxa_end_catch() local_unnamed_addr

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #8

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8cppcodec6detail5codecINS0_6base32INS0_14base32_rfc4648EEEE6decodeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEET_PKcm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, i64 noundef) local_unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { inlinehint 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 #4 = { 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 #5 = { 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 #6 = { nofree nosync nounwind memory(none) }
attributes #7 = { "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 #8 = { noinline noreturn nounwind uwtable "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 #9 = { nounwind willreturn memory(read) }
attributes #10 = { nounwind }
attributes #11 = { noreturn 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 = !{!"vtable pointer", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass