; LLVM IR from kenjin/Awesome-LC-C-Cracker :: leetcode-c-sol/0330_patching-array (0330_patching-array)

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

10:                                               ; preds = %44, %3
  %11 = load i64, ptr %7, align 8, !tbaa !11
  %12 = load i32, ptr %6, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = icmp sle i64 %11, %13
  br i1 %14, label %15, label %45

15:                                               ; preds = %10
  %16 = load i32, ptr %9, align 4, !tbaa !9
  %17 = load i32, ptr %5, align 4, !tbaa !9
  %18 = icmp slt i32 %16, %17
  br i1 %18, label %19, label %38

19:                                               ; preds = %15
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = load i32, ptr %9, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds i32, ptr %20, i64 %22
  %24 = load i32, ptr %23, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = load i64, ptr %7, align 8, !tbaa !11
  %27 = icmp sle i64 %25, %26
  br i1 %27, label %28, label %38

28:                                               ; preds = %19
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = load i32, ptr %9, align 4, !tbaa !9
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %9, align 4, !tbaa !9
  %32 = sext i32 %30 to i64
  %33 = getelementptr inbounds i32, ptr %29, i64 %32
  %34 = load i32, ptr %33, align 4, !tbaa !9
  %35 = sext i32 %34 to i64
  %36 = load i64, ptr %7, align 8, !tbaa !11
  %37 = add nsw i64 %36, %35
  store i64 %37, ptr %7, align 8, !tbaa !11
  br label %44

38:                                               ; preds = %19, %15
  %39 = load i64, ptr %7, align 8, !tbaa !11
  %40 = load i64, ptr %7, align 8, !tbaa !11
  %41 = add nsw i64 %40, %39
  store i64 %41, ptr %7, align 8, !tbaa !11
  %42 = load i32, ptr %8, align 4, !tbaa !9
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %8, align 4, !tbaa !9
  br label %44

44:                                               ; preds = %38, %28
  br label %10, !llvm.loop !13

45:                                               ; preds = %10
  %46 = load i32, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  ret i32 %46
}

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

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

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 = { 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}
!13 = distinct !{!13, !14}
!14 = !{!"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"

; Function Attrs: nofree norecurse nosync nounwind memory(argmem: read) uwtable
define dso_local i32 @minPatches(ptr nocapture noundef readonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = sext i32 %2 to i64
  %.not19 = icmp slt i32 %2, 1
  br i1 %.not19, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %17
  %.022 = phi i32 [ %.1, %17 ], [ 0, %3 ]
  %.01321 = phi i32 [ %.114, %17 ], [ 0, %3 ]
  %.01520 = phi i64 [ %.116, %17 ], [ 1, %3 ]
  %5 = icmp slt i32 %.022, %1
  br i1 %5, label %6, label %14

6:                                                ; preds = %.lr.ph
  %7 = sext i32 %.022 to i64
  %8 = getelementptr inbounds i32, ptr %0, i64 %7
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %.not18 = icmp slt i64 %.01520, %10
  br i1 %.not18, label %14, label %11

11:                                               ; preds = %6
  %12 = add nsw i32 %.022, 1
  %13 = add nsw i64 %.01520, %10
  br label %17

14:                                               ; preds = %6, %.lr.ph
  %15 = shl nsw i64 %.01520, 1
  %16 = add nsw i32 %.01321, 1
  br label %17

17:                                               ; preds = %14, %11
  %.116 = phi i64 [ %13, %11 ], [ %15, %14 ]
  %.114 = phi i32 [ %.01321, %11 ], [ %16, %14 ]
  %.1 = phi i32 [ %12, %11 ], [ %.022, %14 ]
  %.not = icmp sgt i64 %.116, %4
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %17, %3
  %.013.lcssa = phi i32 [ 0, %3 ], [ %.114, %17 ]
  ret i32 %.013.lcssa
}

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


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass