; LLVM IR from thalium/icebox :: third_party/virtualbox/src/VBox/Devices/EFI/Firmware/ShellPkg/Library (AppendCSDGuid)

; 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"

@.str.11 = external hidden unnamed_addr constant [3 x i32], align 4

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

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

; Function Attrs: nounwind uwtable
declare dso_local i64 @AppendCSDStr(ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i64 @AppendCSDGuid(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca [64 x i16], align 16
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 128, ptr %6) #3
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = icmp eq ptr %8, null
  br i1 %9, label %13, label %10

10:                                               ; preds = %2
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %14

13:                                               ; preds = %10, %2
  store i64 -9223372036854775806, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %21

14:                                               ; preds = %10
  %15 = getelementptr inbounds [64 x i16], ptr %6, i64 0, i64 0
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = call i64 (ptr, i64, ptr, ...) @UnicodeSPrint(ptr noundef %15, i64 noundef 0, ptr noundef @.str.11, ptr noundef %16)
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds [64 x i16], ptr %6, i64 0, i64 0
  %20 = call i64 @AppendCSDStr(ptr noundef %18, ptr noundef %19)
  store i64 0, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %21

21:                                               ; preds = %14, %13
  call void @llvm.lifetime.end.p0(i64 128, ptr %6) #3
  %22 = load i64, ptr %3, align 8
  ret i64 %22
}

declare i64 @UnicodeSPrint(ptr noundef, i64 noundef, ptr noundef, ...) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { "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 }

!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/C++ TBAA"}


; 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"

@.str.11 = external hidden unnamed_addr constant [3 x i32], align 4

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

; Function Attrs: nounwind uwtable
declare dso_local i64 @AppendCSDStr(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local range(i64 -9223372036854775806, 1) i64 @AppendCSDGuid(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = alloca [64 x i16], align 16
  call void @llvm.lifetime.start.p0(i64 128, ptr nonnull %3) #3
  %4 = icmp eq ptr %1, null
  %5 = icmp eq ptr %0, null
  %or.cond = or i1 %5, %4
  br i1 %or.cond, label %9, label %6

6:                                                ; preds = %2
  %7 = call i64 (ptr, i64, ptr, ...) @UnicodeSPrint(ptr noundef nonnull %3, i64 noundef 0, ptr noundef nonnull @.str.11, ptr noundef nonnull %1) #3
  %8 = call i64 @AppendCSDStr(ptr noundef nonnull %0, ptr noundef nonnull %3)
  br label %9

9:                                                ; preds = %2, %6
  %.0 = phi i64 [ 0, %6 ], [ -9223372036854775806, %2 ]
  call void @llvm.lifetime.end.p0(i64 128, ptr nonnull %3) #3
  ret i64 %.0
}

declare i64 @UnicodeSPrint(ptr noundef, i64 noundef, ptr noundef, ...) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { "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 }

!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,ReassociatePass,SROAPass,SimplifyCFGPass