; LLVM IR from MostafaTwfiq/C-DataStructures-And-Algorithms :: Unit Test/Tests/AlgorithmsTests/CharArrayAlgTest (CharArrayAlgTest)

; 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"

%struct.ErrorTestStruct = type { i32 }
%struct.String = type { ptr, i32, i32 }

@.str = external hidden unnamed_addr constant [146 x i8], align 1
@ERROR_TEST = external dso_local global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.52 = external hidden unnamed_addr constant [8 x i8], align 1
@__const.testCharArrSplitS.sentence = external hidden unnamed_addr constant [67 x i8], align 16
@__const.testCharArrSplitS.words = external hidden unnamed_addr constant [7 x [12 x i8]], align 16

declare void @CuAssertIntEquals_LineMsg(ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef, i32 noundef) #0

; 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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

declare void @CuAssertStrEquals_LineMsg(ptr noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef) #0

declare i32 @vectorGetLength(ptr noundef) #0

declare ptr @vectorGet(ptr noundef, i32 noundef) #0

declare void @destroyVector(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @testCharArrSplitS(ptr noundef %0) #3 {
  %2 = alloca ptr, align 8
  %3 = alloca [67 x i8], align 16
  %4 = alloca [7 x [12 x i8]], align 16
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = call ptr @charArrSplitS(ptr noundef null, ptr noundef null)
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = load ptr, ptr @ERROR_TEST, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.ErrorTestStruct, ptr %9, i32 0, i32 0
  %11 = load i32, ptr %10, align 4, !tbaa !9
  call void @CuAssertIntEquals_LineMsg(ptr noundef %8, ptr noundef @.str, i32 noundef 546, ptr noundef null, i32 noundef -83386157, i32 noundef %11)
  %12 = call ptr @charArrSplitS(ptr noundef @.str.1, ptr noundef null)
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = load ptr, ptr @ERROR_TEST, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.ErrorTestStruct, ptr %14, i32 0, i32 0
  %16 = load i32, ptr %15, align 4, !tbaa !9
  call void @CuAssertIntEquals_LineMsg(ptr noundef %13, ptr noundef @.str, i32 noundef 549, ptr noundef null, i32 noundef -83384987, i32 noundef %16)
  call void @llvm.lifetime.start.p0(i64 67, ptr %3) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %3, ptr align 16 @__const.testCharArrSplitS.sentence, i64 67, i1 false)
  call void @llvm.lifetime.start.p0(i64 84, ptr %4) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %4, ptr align 16 @__const.testCharArrSplitS.words, i64 84, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %17 = getelementptr inbounds [67 x i8], ptr %3, i64 0, i64 0
  %18 = call ptr @charArrSplitS(ptr noundef %17, ptr noundef @.str.52)
  store ptr %18, ptr %5, align 8, !tbaa !5
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = call i32 @vectorGetLength(ptr noundef %20)
  call void @CuAssertIntEquals_LineMsg(ptr noundef %19, ptr noundef @.str, i32 noundef 557, ptr noundef null, i32 noundef 7, i32 noundef %21)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !12
  br label %22

22:                                               ; preds = %39, %1
  %23 = load i32, ptr %6, align 4, !tbaa !12
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = call i32 @vectorGetLength(ptr noundef %24)
  %26 = icmp slt i32 %23, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %42

28:                                               ; preds = %22
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = load i32, ptr %6, align 4, !tbaa !12
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [7 x [12 x i8]], ptr %4, i64 0, i64 %31
  %33 = getelementptr inbounds [12 x i8], ptr %32, i64 0, i64 0
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = load i32, ptr %6, align 4, !tbaa !12
  %36 = call ptr @vectorGet(ptr noundef %34, i32 noundef %35)
  %37 = getelementptr inbounds %struct.String, ptr %36, i32 0, i32 0
  %38 = load ptr, ptr %37, align 8, !tbaa !13
  call void @CuAssertStrEquals_LineMsg(ptr noundef %29, ptr noundef @.str, i32 noundef 560, ptr noundef null, ptr noundef %33, ptr noundef %38)
  br label %39

39:                                               ; preds = %28
  %40 = load i32, ptr %6, align 4, !tbaa !12
  %41 = add nsw i32 %40, 1
  store i32 %41, ptr %6, align 4, !tbaa !12
  br label %22, !llvm.loop !15

42:                                               ; preds = %27
  %43 = load ptr, ptr %5, align 8, !tbaa !5
  call void @destroyVector(ptr noundef %43)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 84, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 67, ptr %3) #4
  ret void
}

declare ptr @charArrSplitS(ptr noundef, ptr noundef) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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, !11, i64 0}
!10 = !{!"ErrorTestStruct", !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!14, !6, i64 0}
!14 = !{!"String", !6, i64 0, !11, i64 8, !11, i64 12}
!15 = distinct !{!15, !16}
!16 = !{!"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"

@.str = external hidden unnamed_addr constant [146 x i8], align 1
@ERROR_TEST = external dso_local local_unnamed_addr global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.52 = external hidden unnamed_addr constant [8 x i8], align 1
@__const.testCharArrSplitS.sentence = external hidden unnamed_addr constant [67 x i8], align 16
@__const.testCharArrSplitS.words = external hidden unnamed_addr constant [7 x [12 x i8]], align 16

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

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

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

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

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

declare i32 @vectorGetLength(ptr noundef) local_unnamed_addr #0

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

declare void @destroyVector(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @testCharArrSplitS(ptr noundef %0) local_unnamed_addr #3 {
  %2 = alloca [67 x i8], align 16
  %3 = alloca [7 x [12 x i8]], align 16
  %4 = tail call ptr @charArrSplitS(ptr noundef null, ptr noundef null) #4
  %5 = load ptr, ptr @ERROR_TEST, align 8, !tbaa !5
  %6 = load i32, ptr %5, align 4, !tbaa !9
  tail call void @CuAssertIntEquals_LineMsg(ptr noundef %0, ptr noundef nonnull @.str, i32 noundef 546, ptr noundef null, i32 noundef -83386157, i32 noundef %6) #4
  %7 = tail call ptr @charArrSplitS(ptr noundef nonnull @.str.1, ptr noundef null) #4
  %8 = load ptr, ptr @ERROR_TEST, align 8, !tbaa !5
  %9 = load i32, ptr %8, align 4, !tbaa !9
  tail call void @CuAssertIntEquals_LineMsg(ptr noundef %0, ptr noundef nonnull @.str, i32 noundef 549, ptr noundef null, i32 noundef -83384987, i32 noundef %9) #4
  call void @llvm.lifetime.start.p0(i64 67, ptr nonnull %2) #4
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(67) %2, ptr noundef nonnull align 16 dereferenceable(67) @__const.testCharArrSplitS.sentence, i64 67, i1 false)
  call void @llvm.lifetime.start.p0(i64 84, ptr nonnull %3) #4
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(84) %3, ptr noundef nonnull align 16 dereferenceable(84) @__const.testCharArrSplitS.words, i64 84, i1 false)
  %10 = call ptr @charArrSplitS(ptr noundef nonnull %2, ptr noundef nonnull @.str.52) #4
  %11 = call i32 @vectorGetLength(ptr noundef %10) #4
  call void @CuAssertIntEquals_LineMsg(ptr noundef %0, ptr noundef nonnull @.str, i32 noundef 557, ptr noundef null, i32 noundef 7, i32 noundef %11) #4
  %12 = call i32 @vectorGetLength(ptr noundef %10) #4
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  call void @destroyVector(ptr noundef %10) #4
  call void @llvm.lifetime.end.p0(i64 84, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 67, ptr nonnull %2) #4
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %1 ]
  %14 = getelementptr inbounds [7 x [12 x i8]], ptr %3, i64 0, i64 %indvars.iv
  %15 = trunc nuw nsw i64 %indvars.iv to i32
  %16 = call ptr @vectorGet(ptr noundef %10, i32 noundef %15) #4
  %17 = load ptr, ptr %16, align 8, !tbaa !12
  call void @CuAssertStrEquals_LineMsg(ptr noundef %0, ptr noundef nonnull @.str, i32 noundef 560, ptr noundef null, ptr noundef nonnull %14, ptr noundef %17) #4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %18 = call i32 @vectorGetLength(ptr noundef %10) #4
  %19 = sext i32 %18 to i64
  %20 = icmp slt i64 %indvars.iv.next, %19
  br i1 %20, label %.lr.ph, label %._crit_edge, !llvm.loop !14
}

declare ptr @charArrSplitS(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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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, !11, i64 0}
!10 = !{!"ErrorTestStruct", !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !6, i64 0}
!13 = !{!"String", !6, i64 0, !11, i64 8, !11, i64 12}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass