; LLVM IR from jingweizhanghuai/Morn :: src/math (morn_large_integer)

; 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.1 = external hidden unnamed_addr constant [85 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [14 x i8], align 1
@__FUNCTION__.mLIntCompare = external hidden unnamed_addr constant [13 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

declare void @m_Exception(i32 noundef, i32 noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, ...) #1

; Function Attrs: nounwind uwtable
declare dso_local void @LIntCaculate(ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @m_LIntCompare(ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @mLIntCompare(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = icmp eq ptr %7, null
  br i1 %8, label %22, label %9

9:                                                ; preds = %6
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = ptrtoint ptr %10 to i64
  %12 = icmp eq i64 %11, -1
  br i1 %12, label %22, label %13

13:                                               ; preds = %9
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %20, label %16

16:                                               ; preds = %13
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = ptrtoint ptr %17 to i64
  %19 = icmp eq i64 %18, -1
  br label %20

20:                                               ; preds = %16, %13
  %21 = phi i1 [ true, %13 ], [ %19, %16 ]
  br label %22

22:                                               ; preds = %20, %9, %6
  %23 = phi i1 [ true, %9 ], [ true, %6 ], [ %21, %20 ]
  %24 = zext i1 %23 to i32
  store i32 %24, ptr %5, align 4, !tbaa !9
  %25 = load i32, ptr %5, align 4, !tbaa !9
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %27, label %29

27:                                               ; preds = %22
  %28 = load i32, ptr %5, align 4, !tbaa !9
  call void (i32, i32, ptr, i32, ptr, ptr, ...) @m_Exception(i32 noundef %28, i32 noundef -1, ptr noundef @.str.1, i32 noundef 178, ptr noundef @__FUNCTION__.mLIntCompare, ptr noundef @.str.4)
  br label %29

29:                                               ; preds = %27, %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %30

30:                                               ; preds = %29
  %31 = load ptr, ptr %3, align 8, !tbaa !5
  call void @LIntCaculate(ptr noundef %31)
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  call void @LIntCaculate(ptr noundef %32)
  %33 = load ptr, ptr %3, align 8, !tbaa !5
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = call i32 @m_LIntCompare(ptr noundef %33, ptr noundef %34)
  ret i32 %35
}

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

!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}


; 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.1 = external hidden unnamed_addr constant [85 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [14 x i8], align 1
@__FUNCTION__.mLIntCompare = external hidden unnamed_addr constant [13 x i8], align 1

declare void @m_Exception(i32 noundef, i32 noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, ...) local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @m_LIntCompare(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local i32 @mLIntCompare(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %magicptr = ptrtoint ptr %0 to i64
  switch i64 %magicptr, label %3 [
    i64 -1, label %.thread
    i64 0, label %.thread
  ]

3:                                                ; preds = %2
  %magicptr11 = ptrtoint ptr %1 to i64
  switch i64 %magicptr11, label %4 [
    i64 -1, label %.thread
    i64 0, label %.thread
  ]

.thread:                                          ; preds = %3, %3, %2, %2
  tail call void (i32, i32, ptr, i32, ptr, ptr, ...) @m_Exception(i32 noundef 1, i32 noundef -1, ptr noundef nonnull @.str.1, i32 noundef 178, ptr noundef nonnull @__FUNCTION__.mLIntCompare, ptr noundef nonnull @.str.4) #2
  br label %4

4:                                                ; preds = %3, %.thread
  tail call void @LIntCaculate(ptr noundef %0)
  tail call void @LIntCaculate(ptr noundef %1)
  %5 = tail call i32 @m_LIntCompare(ptr noundef %0, ptr noundef %1)
  ret i32 %5
}

attributes #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 = { 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)"}


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