; LLVM IR from AlgoGenesis/C :: Miscellaneous Algorithms/SJF Scheduling (Program)

; 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"

; 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
define dso_local void @sortProcesses(ptr noundef %0, i32 noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %81, %3
  %12 = load i32, ptr %7, align 4, !tbaa !9
  %13 = load i32, ptr %5, align 4, !tbaa !9
  %14 = sub nsw i32 %13, 1
  %15 = icmp slt i32 %12, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %11
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  br label %84

17:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  %18 = load i32, ptr %7, align 4, !tbaa !9
  %19 = add nsw i32 %18, 1
  store i32 %19, ptr %9, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %77, %17
  %21 = load i32, ptr %9, align 4, !tbaa !9
  %22 = load i32, ptr %5, align 4, !tbaa !9
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %20
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  br label %80

25:                                               ; preds = %20
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = load i32, ptr %9, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds i32, ptr %26, i64 %28
  %30 = load i32, ptr %29, align 4, !tbaa !9
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  %32 = load i32, ptr %7, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds i32, ptr %31, i64 %33
  %35 = load i32, ptr %34, align 4, !tbaa !9
  %36 = icmp slt i32 %30, %35
  br i1 %36, label %37, label %76

37:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #2
  %38 = load ptr, ptr %6, align 8, !tbaa !5
  %39 = load i32, ptr %7, align 4, !tbaa !9
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds i32, ptr %38, i64 %40
  %42 = load i32, ptr %41, align 4, !tbaa !9
  store i32 %42, ptr %10, align 4, !tbaa !9
  %43 = load ptr, ptr %6, align 8, !tbaa !5
  %44 = load i32, ptr %9, align 4, !tbaa !9
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds i32, ptr %43, i64 %45
  %47 = load i32, ptr %46, align 4, !tbaa !9
  %48 = load ptr, ptr %6, align 8, !tbaa !5
  %49 = load i32, ptr %7, align 4, !tbaa !9
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds i32, ptr %48, i64 %50
  store i32 %47, ptr %51, align 4, !tbaa !9
  %52 = load i32, ptr %10, align 4, !tbaa !9
  %53 = load ptr, ptr %6, align 8, !tbaa !5
  %54 = load i32, ptr %9, align 4, !tbaa !9
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds i32, ptr %53, i64 %55
  store i32 %52, ptr %56, align 4, !tbaa !9
  %57 = load ptr, ptr %4, align 8, !tbaa !5
  %58 = load i32, ptr %7, align 4, !tbaa !9
  %59 = sext i32 %58 to i64
  %60 = getelementptr inbounds i32, ptr %57, i64 %59
  %61 = load i32, ptr %60, align 4, !tbaa !9
  store i32 %61, ptr %10, align 4, !tbaa !9
  %62 = load ptr, ptr %4, align 8, !tbaa !5
  %63 = load i32, ptr %9, align 4, !tbaa !9
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds i32, ptr %62, i64 %64
  %66 = load i32, ptr %65, align 4, !tbaa !9
  %67 = load ptr, ptr %4, align 8, !tbaa !5
  %68 = load i32, ptr %7, align 4, !tbaa !9
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds i32, ptr %67, i64 %69
  store i32 %66, ptr %70, align 4, !tbaa !9
  %71 = load i32, ptr %10, align 4, !tbaa !9
  %72 = load ptr, ptr %4, align 8, !tbaa !5
  %73 = load i32, ptr %9, align 4, !tbaa !9
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds i32, ptr %72, i64 %74
  store i32 %71, ptr %75, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  br label %76

76:                                               ; preds = %37, %25
  br label %77

77:                                               ; preds = %76
  %78 = load i32, ptr %9, align 4, !tbaa !9
  %79 = add nsw i32 %78, 1
  store i32 %79, ptr %9, align 4, !tbaa !9
  br label %20, !llvm.loop !11

80:                                               ; preds = %24
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr %7, align 4, !tbaa !9
  %83 = add nsw i32 %82, 1
  store i32 %83, ptr %7, align 4, !tbaa !9
  br label %11, !llvm.loop !13

84:                                               ; preds = %16
  ret void
}

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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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"

; Function Attrs: nofree norecurse nosync nounwind memory(argmem: readwrite) uwtable
define dso_local void @sortProcesses(ptr nocapture noundef %0, i32 noundef %1, ptr nocapture noundef %2) local_unnamed_addr #0 {
  %4 = icmp sgt i32 %1, 1
  br i1 %4, label %.lr.ph33.preheader, label %._crit_edge

.lr.ph33.preheader:                               ; preds = %3
  %5 = add nsw i32 %1, -1
  %wide.trip.count40 = zext nneg i32 %5 to i64
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph

.loopexit:                                        ; preds = %17
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond41.not = icmp eq i64 %indvars.iv.next38, %wide.trip.count40
  br i1 %exitcond41.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

._crit_edge:                                      ; preds = %.loopexit, %3
  ret void

.lr.ph:                                           ; preds = %.loopexit, %.lr.ph33.preheader
  %indvars.iv37 = phi i64 [ 0, %.lr.ph33.preheader ], [ %indvars.iv.next38, %.loopexit ]
  %indvars.iv = phi i64 [ 1, %.lr.ph33.preheader ], [ %indvars.iv.next, %.loopexit ]
  %indvars.iv.next38 = add nuw nsw i64 %indvars.iv37, 1
  %6 = getelementptr inbounds i32, ptr %2, i64 %indvars.iv37
  %7 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv37
  br label %8

8:                                                ; preds = %.lr.ph, %17
  %indvars.iv34 = phi i64 [ %indvars.iv, %.lr.ph ], [ %indvars.iv.next35, %17 ]
  %9 = getelementptr inbounds i32, ptr %2, i64 %indvars.iv34
  %10 = load i32, ptr %9, align 4, !tbaa !7
  %11 = load i32, ptr %6, align 4, !tbaa !7
  %12 = icmp slt i32 %10, %11
  br i1 %12, label %13, label %17

13:                                               ; preds = %8
  store i32 %10, ptr %6, align 4, !tbaa !7
  store i32 %11, ptr %9, align 4, !tbaa !7
  %14 = load i32, ptr %7, align 4, !tbaa !7
  %15 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv34
  %16 = load i32, ptr %15, align 4, !tbaa !7
  store i32 %16, ptr %7, align 4, !tbaa !7
  store i32 %14, ptr %15, align 4, !tbaa !7
  br label %17

17:                                               ; preds = %8, %13
  %indvars.iv.next35 = add nuw nsw i64 %indvars.iv34, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next35, %wide.trip.count
  br i1 %exitcond.not, label %.loopexit, label %8, !llvm.loop !11
}

attributes #0 = { nofree norecurse nosync nounwind memory(argmem: readwrite) 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = distinct !{!11, !6}


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