; LLVM IR from facebook/redex :: libredex/Trace.ll (Z5trace11TraceModuleibPKcz)

; 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"

%"struct.(anonymous namespace)::Tracer" = type { i8, i8, ptr, %class.UnorderedMap, ptr, i64, %"struct.std::array", %"class.std::mutex" }
%class.UnorderedMap = type { %"class.std::unordered_map" }
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::array" = type { [162 x i64] }
%"class.std::mutex" = type { %"class.std::__mutex_base" }
%"class.std::__mutex_base" = type { %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%struct.__va_list_tag = type { i32, i32, ptr, ptr }

@_ZN12_GLOBAL__N_16tracerE = external hidden global %"struct.(anonymous namespace)::Tracer", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5trace11TraceModuleibPKcz(i32 noundef %0, i32 noundef %1, i1 noundef zeroext %2, ptr noundef %3, ...) #0 {
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  %8 = alloca ptr, align 8
  %9 = alloca [1 x %struct.__va_list_tag], align 16
  store i32 %0, ptr %5, align 4, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  %10 = zext i1 %2 to i8
  store i8 %10, ptr %7, align 1, !tbaa !11
  store ptr %3, ptr %8, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #3
  %11 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %9, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %11)
  %12 = load i32, ptr %5, align 4, !tbaa !5
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = load i8, ptr %7, align 1, !tbaa !11, !range !15, !noundef !16
  %15 = trunc i8 %14 to i1
  %16 = load ptr, ptr %8, align 8, !tbaa !13
  %17 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %9, i64 0, i64 0
  call void @_ZN12_GLOBAL__N_16Tracer5traceE11TraceModuleibPKcP13__va_list_tag(ptr noundef nonnull align 8 dereferenceable(1424) @_ZN12_GLOBAL__N_16tracerE, i32 noundef %12, i32 noundef %13, i1 noundef zeroext %15, ptr noundef %16, ptr noundef %17)
  %18 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %9, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %18)
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #3
  ret void
}

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

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN12_GLOBAL__N_16Tracer5traceE11TraceModuleibPKcP13__va_list_tag(ptr noundef nonnull align 8 dereferenceable(1424), i32 noundef, i32 noundef, i1 noundef zeroext, ptr noundef, ptr noundef) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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 = !{!"_ZTS11TraceModule", !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 = !{!"bool", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"any pointer", !7, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}


; 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"

%"struct.(anonymous namespace)::Tracer" = type { i8, i8, ptr, %class.UnorderedMap, ptr, i64, %"struct.std::array", %"class.std::mutex" }
%class.UnorderedMap = type { %"class.std::unordered_map" }
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::array" = type { [162 x i64] }
%"class.std::mutex" = type { %"class.std::__mutex_base" }
%"class.std::__mutex_base" = type { %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%struct.__va_list_tag = type { i32, i32, ptr, ptr }

@_ZN12_GLOBAL__N_16tracerE = external hidden global %"struct.(anonymous namespace)::Tracer", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5trace11TraceModuleibPKcz(i32 noundef %0, i32 noundef %1, i1 noundef zeroext %2, ptr noundef %3, ...) local_unnamed_addr #0 {
  %5 = alloca [1 x %struct.__va_list_tag], align 16
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #3
  call void @llvm.va_start.p0(ptr nonnull %5)
  call void @_ZN12_GLOBAL__N_16Tracer5traceE11TraceModuleibPKcP13__va_list_tag(ptr noundef nonnull align 8 dereferenceable(1424) @_ZN12_GLOBAL__N_16tracerE, i32 noundef %0, i32 noundef %1, i1 noundef zeroext %2, ptr noundef %3, ptr noundef nonnull %5)
  call void @llvm.va_end.p0(ptr nonnull %5)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #3
  ret void
}

; 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 nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN12_GLOBAL__N_16Tracer5traceE11TraceModuleibPKcP13__va_list_tag(ptr noundef nonnull align 8 dereferenceable(1424), i32 noundef, i32 noundef, i1 noundef zeroext, ptr noundef, ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

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

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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,InferFunctionAttrsPass,InstCombinePass,SROAPass