; LLVM IR from hit9/bitproto :: lib/c (bitproto)

; 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.BpMessageDescriptor = type { i8, i32, i32, ptr }
%struct.BpMessageFieldDescriptor = type { ptr, %struct.BpType, ptr }
%struct.BpType = type { i32, i32, i32, ptr, ptr, i32 }

@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 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: 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 void @BpJsonFormatString(ptr noundef, ptr noundef, ...) #1

; Function Attrs: nounwind uwtable
define dso_local void @BpJsonFormatMessage(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  call void (ptr, ptr, ...) @BpJsonFormatString(ptr noundef %9, ptr noundef @.str)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %35, %3
  %11 = load i32, ptr %7, align 4, !tbaa !9
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.BpMessageDescriptor, ptr %12, i32 0, i32 1
  %14 = load i32, ptr %13, align 4, !tbaa !11
  %15 = icmp slt i32 %11, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  br label %38

17:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.BpMessageDescriptor, ptr %18, i32 0, i32 3
  %20 = load ptr, ptr %19, align 8, !tbaa !14
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds %struct.BpMessageFieldDescriptor, ptr %20, i64 %22
  store ptr %23, ptr %8, align 8, !tbaa !5
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  call void @BpJsonFormatMessageField(ptr noundef %24, ptr noundef %25)
  %26 = load i32, ptr %7, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.BpMessageDescriptor, ptr %28, i32 0, i32 1
  %30 = load i32, ptr %29, align 4, !tbaa !11
  %31 = icmp slt i32 %27, %30
  br i1 %31, label %32, label %34

32:                                               ; preds = %17
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  call void (ptr, ptr, ...) @BpJsonFormatString(ptr noundef %33, ptr noundef @.str.1)
  br label %34

34:                                               ; preds = %32, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  br label %35

35:                                               ; preds = %34
  %36 = load i32, ptr %7, align 4, !tbaa !9
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %7, align 4, !tbaa !9
  br label %10, !llvm.loop !15

38:                                               ; preds = %16
  %39 = load ptr, ptr %5, align 8, !tbaa !5
  call void (ptr, ptr, ...) @BpJsonFormatString(ptr noundef %39, ptr noundef @.str.2)
  ret void
}

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

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 = { 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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 4}
!12 = !{!"BpMessageDescriptor", !13, i64 0, !10, i64 4, !10, i64 8, !6, i64 16}
!13 = !{!"_Bool", !7, i64 0}
!14 = !{!12, !6, i64 16}
!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"

%struct.BpMessageFieldDescriptor = type { ptr, %struct.BpType, ptr }
%struct.BpType = type { i32, i32, i32, ptr, ptr, i32 }

@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @BpJsonFormatString(ptr noundef, ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @BpJsonFormatMessage(ptr nocapture noundef readonly %0, ptr noundef %1, ptr nocapture noundef readnone %2) local_unnamed_addr #0 {
  tail call void (ptr, ptr, ...) @BpJsonFormatString(ptr noundef %1, ptr noundef nonnull @.str)
  %4 = getelementptr inbounds i8, ptr %0, i64 4
  %5 = load i32, ptr %4, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %3
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  br label %8

._crit_edge:                                      ; preds = %15, %3
  tail call void (ptr, ptr, ...) @BpJsonFormatString(ptr noundef %1, ptr noundef nonnull @.str.2)
  ret void

8:                                                ; preds = %.lr.ph, %15
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %15 ]
  %9 = load ptr, ptr %7, align 8, !tbaa !12
  %10 = getelementptr inbounds %struct.BpMessageFieldDescriptor, ptr %9, i64 %indvars.iv
  tail call void @BpJsonFormatMessageField(ptr noundef %10, ptr noundef %1)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = icmp slt i64 %indvars.iv.next, %12
  br i1 %13, label %14, label %15

14:                                               ; preds = %8
  tail call void (ptr, ptr, ...) @BpJsonFormatString(ptr noundef %1, ptr noundef nonnull @.str.1)
  %.pre = load i32, ptr %4, align 4, !tbaa !5
  %.pre13 = sext i32 %.pre to i64
  br label %15

15:                                               ; preds = %14, %8
  %.pre-phi = phi i64 [ %.pre13, %14 ], [ %12, %8 ]
  %16 = icmp slt i64 %indvars.iv.next, %.pre-phi
  br i1 %16, label %8, label %._crit_edge, !llvm.loop !13
}

; Function Attrs: nounwind uwtable
declare dso_local void @BpJsonFormatMessageField(ptr noundef, ptr noundef) local_unnamed_addr #0

attributes #0 = { 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" }

!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, !10, i64 4}
!6 = !{!"BpMessageDescriptor", !7, i64 0, !10, i64 4, !10, i64 8, !11, i64 16}
!7 = !{!"_Bool", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!6, !11, i64 16}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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