; LLVM IR from gem5/gem5 :: src/arch/arm/insts/crypto.ll (ZN4gem56ArmISA6Crypto8load2RegEPjS2_PhS3_)

; 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: mustprogress nounwind uwtable
define dso_local void @_ZN4gem56ArmISA6Crypto8load2RegEPjS2_PhS3_(ptr noundef nonnull align 1 dereferenceable(1) %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) #1 align 2 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  store ptr %4, ptr %10, align 8, !tbaa !5
  %12 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %38, %5
  %14 = load i32, ptr %11, align 4, !tbaa !9
  %15 = icmp slt i32 %14, 4
  br i1 %15, label %17, label %16

16:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  br label %41

17:                                               ; preds = %13
  %18 = load ptr, ptr %9, align 8, !tbaa !5
  %19 = load i32, ptr %11, align 4, !tbaa !9
  %20 = mul nsw i32 %19, 4
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds i8, ptr %18, i64 %21
  %23 = load i32, ptr %22, align 4, !tbaa !9
  %24 = load ptr, ptr %7, align 8, !tbaa !5
  %25 = load i32, ptr %11, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds i32, ptr %24, i64 %26
  store i32 %23, ptr %27, align 4, !tbaa !9
  %28 = load ptr, ptr %10, align 8, !tbaa !5
  %29 = load i32, ptr %11, align 4, !tbaa !9
  %30 = mul nsw i32 %29, 4
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds i8, ptr %28, i64 %31
  %33 = load i32, ptr %32, align 4, !tbaa !9
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  %35 = load i32, ptr %11, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds i32, ptr %34, i64 %36
  store i32 %33, ptr %37, align 4, !tbaa !9
  br label %38

38:                                               ; preds = %17
  %39 = load i32, ptr %11, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %11, align 4, !tbaa !9
  br label %13, !llvm.loop !11

41:                                               ; preds = %16
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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++ 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_ZN4gem56ArmISA6Crypto8load2RegEPjS2_PhS3_(ptr nocapture noundef nonnull readnone align 1 dereferenceable(1) %0, ptr nocapture noundef writeonly %1, ptr nocapture noundef writeonly %2, ptr nocapture noundef readonly %3, ptr nocapture noundef readonly %4) local_unnamed_addr #0 align 2 {
  %6 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %6, ptr %1, align 4, !tbaa !5
  %7 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %7, ptr %2, align 4, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %3, i64 4
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %1, i64 4
  store i32 %9, ptr %10, align 4, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %4, i64 4
  %12 = load i32, ptr %11, align 4, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %2, i64 4
  store i32 %12, ptr %13, align 4, !tbaa !5
  %14 = getelementptr inbounds i8, ptr %3, i64 8
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %1, i64 8
  store i32 %15, ptr %16, align 4, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %4, i64 8
  %18 = load i32, ptr %17, align 4, !tbaa !5
  %19 = getelementptr inbounds i8, ptr %2, i64 8
  store i32 %18, ptr %19, align 4, !tbaa !5
  %20 = getelementptr inbounds i8, ptr %3, i64 12
  %21 = load i32, ptr %20, align 4, !tbaa !5
  %22 = getelementptr inbounds i8, ptr %1, i64 12
  store i32 %21, ptr %22, align 4, !tbaa !5
  %23 = getelementptr inbounds i8, ptr %4, i64 12
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = getelementptr inbounds i8, ptr %2, i64 12
  store i32 %24, ptr %25, align 4, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn 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 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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