; LLVM IR from jingweizhanghuai/Morn :: test (test_proc_variate)

; 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 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [80 x i8], align 1
@__FUNCTION__.slave = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [14 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

declare ptr @m_ProcVariate(ptr noundef, i32 noundef, i32 noundef) #1

declare i32 @usleep(i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @slave() #2 {
  %1 = alloca ptr, align 8
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #3
  %3 = call ptr @m_ProcVariate(ptr noundef @.str, i32 noundef 8, i32 noundef 1)
  store ptr %3, ptr %1, align 8, !tbaa !5
  br label %4

4:                                                ; preds = %26, %0
  br label %5

5:                                                ; preds = %4
  %6 = call i32 @usleep(i32 noundef 1000)
  br label %7

7:                                                ; preds = %5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  %8 = load ptr, ptr %1, align 8, !tbaa !5
  %9 = getelementptr inbounds i64, ptr %8, i64 0
  %10 = load i64, ptr %9, align 8, !tbaa !9
  %11 = icmp ugt i64 %10, 0
  br i1 %11, label %12, label %17

12:                                               ; preds = %7
  %13 = load ptr, ptr %1, align 8, !tbaa !5
  %14 = getelementptr inbounds i64, ptr %13, i64 0
  %15 = load i64, ptr %14, align 8, !tbaa !9
  %16 = icmp ult i64 %15, -1
  br label %17

17:                                               ; preds = %12, %7
  %18 = phi i1 [ false, %7 ], [ %16, %12 ]
  %19 = zext i1 %18 to i32
  store i32 %19, ptr %2, align 4, !tbaa !11
  %20 = load i32, ptr %2, align 4, !tbaa !11
  %21 = icmp ne i32 %20, 0
  br i1 %21, label %22, label %24

22:                                               ; preds = %17
  %23 = load i32, ptr %2, align 4, !tbaa !11
  call void (i32, i32, ptr, i32, ptr, ptr, ...) @m_Exception(i32 noundef %23, i32 noundef -1, ptr noundef @.str.1, i32 noundef 22, ptr noundef @__FUNCTION__.slave, ptr noundef @.str.2)
  br label %24

24:                                               ; preds = %22, %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  br label %25

25:                                               ; preds = %24
  br label %26

26:                                               ; preds = %25
  br label %4
}

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

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

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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [80 x i8], align 1
@__FUNCTION__.slave = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [14 x i8], align 1

declare ptr @m_ProcVariate(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

declare i32 @usleep(i32 noundef) local_unnamed_addr #0

; Function Attrs: noreturn nounwind uwtable
define dso_local void @slave() local_unnamed_addr #1 {
  %1 = tail call ptr @m_ProcVariate(ptr noundef nonnull @.str, i32 noundef 8, i32 noundef 1) #2
  br label %2

2:                                                ; preds = %.backedge, %0
  %3 = tail call i32 @usleep(i32 noundef 1000) #2
  %4 = load i64, ptr %1, align 8, !tbaa !5
  %5 = add i64 %4, -1
  %spec.select = icmp ult i64 %5, -2
  br i1 %spec.select, label %6, label %.backedge

6:                                                ; preds = %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 22, ptr noundef nonnull @__FUNCTION__.slave, ptr noundef nonnull @.str.2) #2
  br label %.backedge

.backedge:                                        ; preds = %6, %2
  br label %2
}

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

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 = { noreturn 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass