; LLVM IR from gem5/gem5 :: src/systemc/tests/systemc/kernel/sc_main_main (sc_main_main)

; 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 [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca [6 x ptr], align 16
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 48, ptr %2) #4
  %5 = call noalias ptr @strdup(ptr noundef @.str) #4
  store ptr %5, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds ptr, ptr %2, i64 1
  %7 = call noalias ptr @strdup(ptr noundef @.str.2) #4
  store ptr %7, ptr %6, align 8, !tbaa !5
  %8 = getelementptr inbounds ptr, ptr %2, i64 2
  %9 = call noalias ptr @strdup(ptr noundef @.str.3) #4
  store ptr %9, ptr %8, align 8, !tbaa !5
  %10 = getelementptr inbounds ptr, ptr %2, i64 3
  %11 = call noalias ptr @strdup(ptr noundef @.str.4) #4
  store ptr %11, ptr %10, align 8, !tbaa !5
  %12 = getelementptr inbounds ptr, ptr %2, i64 4
  %13 = call noalias ptr @strdup(ptr noundef @.str.5) #4
  store ptr %13, ptr %12, align 8, !tbaa !5
  %14 = getelementptr inbounds ptr, ptr %2, i64 5
  store ptr null, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 5, ptr %3, align 4, !tbaa !9
  %15 = load i32, ptr %3, align 4, !tbaa !9
  %16 = getelementptr inbounds [6 x ptr], ptr %2, i64 0, i64 0
  %17 = call i32 @sc_elab_and_sim(i32 noundef %15, ptr noundef %16)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %28, %0
  %19 = load i32, ptr %4, align 4, !tbaa !9
  %20 = load i32, ptr %3, align 4, !tbaa !9
  %21 = icmp slt i32 %19, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %31

23:                                               ; preds = %18
  %24 = load i32, ptr %4, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [6 x ptr], ptr %2, i64 0, i64 %25
  %27 = load ptr, ptr %26, align 8, !tbaa !5
  call void @free(ptr noundef %27) #4
  br label %28

28:                                               ; preds = %23
  %29 = load i32, ptr %4, align 4, !tbaa !9
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %4, align 4, !tbaa !9
  br label %18, !llvm.loop !11

31:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr %2) #4
  %32 = load i32, ptr %1, align 4
  ret i32 %32
}

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

; Function Attrs: nounwind
declare noalias ptr @strdup(ptr noundef) #2

declare i32 @sc_elab_and_sim(i32 noundef, ptr noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

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

attributes #0 = { mustprogress norecurse 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 "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 = { "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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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 [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca [6 x ptr], align 16
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %1) #5
  %2 = tail call noalias ptr @strdup(ptr noundef nonnull @.str) #5
  store ptr %2, ptr %1, align 16, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %1, i64 8
  %4 = tail call noalias ptr @strdup(ptr noundef nonnull @.str.2) #5
  store ptr %4, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  %6 = tail call noalias ptr @strdup(ptr noundef nonnull @.str.3) #5
  store ptr %6, ptr %5, align 16, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %1, i64 24
  %8 = tail call noalias ptr @strdup(ptr noundef nonnull @.str.4) #5
  store ptr %8, ptr %7, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %1, i64 32
  %10 = tail call noalias ptr @strdup(ptr noundef nonnull @.str.5) #5
  store ptr %10, ptr %9, align 16, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %1, i64 40
  store ptr null, ptr %11, align 8, !tbaa !5
  %12 = call i32 @sc_elab_and_sim(i32 noundef 5, ptr noundef nonnull %1)
  %13 = load ptr, ptr %1, align 16, !tbaa !5
  call void @free(ptr noundef %13) #5
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  call void @free(ptr noundef %14) #5
  %15 = load ptr, ptr %5, align 16, !tbaa !5
  call void @free(ptr noundef %15) #5
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  call void @free(ptr noundef %16) #5
  %17 = load ptr, ptr %9, align 16, !tbaa !5
  call void @free(ptr noundef %17) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #5
  ret i32 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 nofree nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite)
declare noalias ptr @strdup(ptr nocapture noundef readonly) local_unnamed_addr #2

declare i32 @sc_elab_and_sim(i32 noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #4

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

attributes #0 = { mustprogress norecurse 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nofree nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { "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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 #5 = { 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++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass