; LLVM IR from lfarcaro/ARINC653_ARMV7A_AM335X :: Hardware (hs_mmcsd)

; 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 i32 @HSMMCSDLinesReset(i32 noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  store volatile i32 65535, ptr %6, align 4, !tbaa !5
  %8 = load i32, ptr %5, align 4, !tbaa !5
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = add i32 %9, 556
  %11 = zext i32 %10 to i64
  %12 = inttoptr i64 %11 to ptr
  %13 = load volatile i32, ptr %12, align 4, !tbaa !5
  %14 = or i32 %13, %8
  store volatile i32 %14, ptr %12, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %27, %2
  %16 = load i32, ptr %4, align 4, !tbaa !5
  %17 = add i32 %16, 556
  %18 = zext i32 %17 to i64
  %19 = inttoptr i64 %18 to ptr
  %20 = load volatile i32, ptr %19, align 4, !tbaa !5
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = and i32 %20, %21
  %23 = load i32, ptr %5, align 4, !tbaa !5
  %24 = icmp eq i32 %22, %23
  br i1 %24, label %25, label %26

25:                                               ; preds = %15
  br label %31

26:                                               ; preds = %15
  br label %27

27:                                               ; preds = %26
  %28 = load volatile i32, ptr %6, align 4, !tbaa !5
  %29 = add i32 %28, -1
  store volatile i32 %29, ptr %6, align 4, !tbaa !5
  %30 = icmp ne i32 %28, 0
  br i1 %30, label %15, label %31, !llvm.loop !9

31:                                               ; preds = %27, %25
  %32 = load volatile i32, ptr %6, align 4, !tbaa !5
  %33 = icmp eq i32 0, %32
  br i1 %33, label %34, label %35

34:                                               ; preds = %31
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %36

35:                                               ; preds = %31
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %36

36:                                               ; preds = %35, %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %37 = load i32, ptr %3, align 4
  ret i32 %37
}

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nofree norecurse nounwind uwtable
define dso_local range(i32 -1, 1) i32 @HSMMCSDLinesReset(i32 noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3)
  store volatile i32 65535, ptr %3, align 4, !tbaa !5
  %4 = add i32 %0, 556
  %5 = zext i32 %4 to i64
  %6 = inttoptr i64 %5 to ptr
  %7 = load volatile i32, ptr %6, align 4, !tbaa !5
  %8 = or i32 %7, %1
  store volatile i32 %8, ptr %6, align 4, !tbaa !5
  br label %9

9:                                                ; preds = %13, %2
  %10 = load volatile i32, ptr %6, align 4, !tbaa !5
  %11 = and i32 %10, %1
  %12 = icmp eq i32 %11, %1
  br i1 %12, label %15, label %13

13:                                               ; preds = %9
  %.0..0..0..0. = load volatile i32, ptr %3, align 4, !tbaa !5
  %14 = add i32 %.0..0..0..0., -1
  store volatile i32 %14, ptr %3, align 4, !tbaa !5
  %.not = icmp eq i32 %.0..0..0..0., 0
  br i1 %.not, label %15, label %9, !llvm.loop !9

15:                                               ; preds = %9, %13
  %.0..0..0..0.1 = load volatile i32, ptr %3, align 4, !tbaa !5
  %16 = icmp eq i32 %.0..0..0..0.1, 0
  %. = sext i1 %16 to i32
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3)
  ret i32 %.
}

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

!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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass