; 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

; Function Attrs: nounwind uwtable
define dso_local void @master() #0 {
  %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
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 0, ptr %2, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %14, %0
  %5 = load i32, ptr %2, align 4, !tbaa !9
  %6 = and i32 %5, 1
  %7 = icmp ne i32 %6, 0
  br i1 %7, label %8, label %10

8:                                                ; preds = %4
  %9 = load ptr, ptr %1, align 8, !tbaa !5
  store i64 -1, ptr %9, align 8, !tbaa !11
  br label %12

10:                                               ; preds = %4
  %11 = load ptr, ptr %1, align 8, !tbaa !5
  store i64 0, ptr %11, align 8, !tbaa !11
  br label %12

12:                                               ; preds = %10, %8
  %13 = call i32 @usleep(i32 noundef 1000)
  br label %14

14:                                               ; preds = %12
  %15 = load i32, ptr %2, align 4, !tbaa !9
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr %2, align 4, !tbaa !9
  br label %4
}

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

declare ptr @m_ProcVariate(ptr noundef, i32 noundef, i32 noundef) #2

declare i32 @usleep(i32 noundef) #2

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !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

; Function Attrs: noreturn nounwind uwtable
define dso_local void @master() local_unnamed_addr #0 {
  %1 = tail call ptr @m_ProcVariate(ptr noundef nonnull @.str, i32 noundef 8, i32 noundef -1) #2
  br label %2

2:                                                ; preds = %2, %0
  %.0 = phi i32 [ 0, %0 ], [ %5, %2 ]
  %3 = and i32 %.0, 1
  %sext = sub nsw i32 0, %3
  %. = sext i32 %sext to i64
  store i64 %., ptr %1, align 8, !tbaa !5
  %4 = tail call i32 @usleep(i32 noundef 1000) #2
  %5 = add nuw nsw i32 %.0, 1
  br label %2
}

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

declare i32 @usleep(i32 noundef) local_unnamed_addr #1

attributes #0 = { 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 #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 }

!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: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass